Pseudo-classes allowed after ::part()

Summary

Harness status: OK

Found 67 tests

62 Pass

5 Fail

Details

Result

Test Name

Message

Pass

"::part(mypart):active" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):active\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):active", "::part(mypart):active", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):active", "::part(mypart):active", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):active-view-transition" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):active-view-transition\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):active-view-transition", "::part(mypart):active-view-transition", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):active-view-transition", "::part(mypart):active-view-transition", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):active-view-transition-type(mytype)" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):active-view-transition-type(mytype)\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):active-view-transition-type(mytype)", "::part(mypart):active-view-transition-type(mytype)", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):active-view-transition-type(mytype)", "::part(mypart):active-view-transition-type(mytype)", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):any-link" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):any-link\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):any-link", "::part(mypart):any-link", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):any-link", "::part(mypart):any-link", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):autofill" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):autofill\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):autofill", "::part(mypart):autofill", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):autofill", "::part(mypart):autofill", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):checked" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):checked\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):checked", "::part(mypart):checked", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):checked", "::part(mypart):checked", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):default" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):default\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):default", "::part(mypart):default", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):default", "::part(mypart):default", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):defined" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):defined\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):defined", "::part(mypart):defined", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):defined", "::part(mypart):defined", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):dir(ltr)" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):dir(ltr)\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):dir(ltr)", "::part(mypart):dir(ltr)", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):dir(ltr)", "::part(mypart):dir(ltr)", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):disabled" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):disabled\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):disabled", "::part(mypart):disabled", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):disabled", "::part(mypart):disabled", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):enabled" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):enabled\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):enabled", "::part(mypart):enabled", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):enabled", "::part(mypart):enabled", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):focus" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):focus\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):focus", "::part(mypart):focus", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):focus", "::part(mypart):focus", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):focus-visible" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):focus-visible\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):focus-visible", "::part(mypart):focus-visible", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):focus-visible", "::part(mypart):focus-visible", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):focus-within" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):focus-within\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):focus-within", "::part(mypart):focus-within", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):focus-within", "::part(mypart):focus-within", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):fullscreen" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):fullscreen\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):fullscreen", "::part(mypart):fullscreen", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):fullscreen", "::part(mypart):fullscreen", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):future" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):future\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):future", "::part(mypart):future", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):future", "::part(mypart):future", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):hover" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):hover\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):hover", "::part(mypart):hover", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):hover", "::part(mypart):hover", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):indeterminate" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):indeterminate\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):indeterminate", "::part(mypart):indeterminate", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):indeterminate", "::part(mypart):indeterminate", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):in-range" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):in-range\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):in-range", "::part(mypart):in-range", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):in-range", "::part(mypart):in-range", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):invalid" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):invalid\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):invalid", "::part(mypart):invalid", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):invalid", "::part(mypart):invalid", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):lang(en)" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):lang(en)\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):lang(en)", "::part(mypart):lang(en)", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):lang(en)", "::part(mypart):lang(en)", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):link" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):link\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):link", "::part(mypart):link", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):link", "::part(mypart):link", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):modal" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):modal\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):modal", "::part(mypart):modal", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):modal", "::part(mypart):modal", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Fail

"::part(mypart):open" should be a valid selector

Failed to execute 'querySelector' on 'Document': '::part(mypart):open' is not a valid selector.

SyntaxError: Failed to execute 'querySelector' on 'Document': '::part(mypart):open' is not a valid selector.
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:67:18)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at test (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:633:30)
    at test_valid_selector (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:66:5)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/css-shadow-parts/pseudo-classes-after-part.html:35:1

Asserts run

No asserts ran

Pass

"::part(mypart):optional" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):optional\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):optional", "::part(mypart):optional", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):optional", "::part(mypart):optional", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):out-of-range" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):out-of-range\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):out-of-range", "::part(mypart):out-of-range", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):out-of-range", "::part(mypart):out-of-range", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):past" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):past\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):past", "::part(mypart):past", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):past", "::part(mypart):past", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Fail

"::part(mypart):paused" should be a valid selector

Failed to execute 'querySelector' on 'Document': '::part(mypart):paused' is not a valid selector.

SyntaxError: Failed to execute 'querySelector' on 'Document': '::part(mypart):paused' is not a valid selector.
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:67:18)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at test (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:633:30)
    at test_valid_selector (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:66:5)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/css-shadow-parts/pseudo-classes-after-part.html:39:1

Asserts run

No asserts ran

Pass

"::part(mypart):picture-in-picture" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):picture-in-picture\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):picture-in-picture", "::part(mypart):picture-in-picture", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):picture-in-picture", "::part(mypart):picture-in-picture", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):placeholder-shown" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):placeholder-shown\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):placeholder-shown", "::part(mypart):placeholder-shown", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):placeholder-shown", "::part(mypart):placeholder-shown", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Fail

"::part(mypart):playing" should be a valid selector

Failed to execute 'querySelector' on 'Document': '::part(mypart):playing' is not a valid selector.

SyntaxError: Failed to execute 'querySelector' on 'Document': '::part(mypart):playing' is not a valid selector.
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:67:18)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at test (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:633:30)
    at test_valid_selector (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:66:5)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/css-shadow-parts/pseudo-classes-after-part.html:42:1

Asserts run

No asserts ran

Pass

"::part(mypart):popover-open" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):popover-open\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):popover-open", "::part(mypart):popover-open", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):popover-open", "::part(mypart):popover-open", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):read-only" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):read-only\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):read-only", "::part(mypart):read-only", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):read-only", "::part(mypart):read-only", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):read-write" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):read-write\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):read-write", "::part(mypart):read-write", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):read-write", "::part(mypart):read-write", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):required" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):required\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):required", "::part(mypart):required", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):required", "::part(mypart):required", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):state(mystate)" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):state(mystate)\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):state(mystate)", "::part(mypart):state(mystate)", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):state(mystate)", "::part(mypart):state(mystate)", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):target" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):target\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):target", "::part(mypart):target", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):target", "::part(mypart):target", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):user-invalid" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):user-invalid\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):user-invalid", "::part(mypart):user-invalid", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):user-invalid", "::part(mypart):user-invalid", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):user-valid" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):user-valid\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):user-valid", "::part(mypart):user-valid", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):user-valid", "::part(mypart):user-valid", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):valid" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):valid\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):valid", "::part(mypart):valid", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):valid", "::part(mypart):valid", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):visited" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):visited\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):visited", "::part(mypart):visited", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):visited", "::part(mypart):visited", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):xr-overlay" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):xr-overlay\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):xr-overlay", "::part(mypart):xr-overlay", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):xr-overlay", "::part(mypart):xr-overlay", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):left" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):left\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):left\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):right" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):right\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):right\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):first" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):first\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):first\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):empty" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):empty\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):empty\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):first-child" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):first-child\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):first-child\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):first-of-type" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):first-of-type\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):first-of-type\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):last-child" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):last-child\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):last-child\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):last-of-type" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):last-of-type\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):last-of-type\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):nth-child(1)" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):nth-child(1)\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):nth-child(1)\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):nth-last-child(1)" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):nth-last-child(1)\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):nth-last-child(1)\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):nth-last-of-type(1)" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):nth-last-of-type(1)\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):nth-last-of-type(1)\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):nth-of-type(1)" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):nth-of-type(1)\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):nth-of-type(1)\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):only-child" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):only-child\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):only-child\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):only-of-type" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):only-of-type\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):only-of-type\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):host" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):host\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):host\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):host-context(:hover)" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):host-context(:hover)\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):host-context(:hover)\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):has(p)" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):has(p)\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):has(p)\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):has(:hover)" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):has(:hover)\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):has(:hover)\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):scope" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):scope\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):scope\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Pass

"::part(mypart):not(:hover)" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):not(:hover)\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):not(:hover)", "::part(mypart):not(:hover)", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):not(:hover)", "::part(mypart):not(:hover)", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):is(:hover)" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):is(:hover)\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):is(:hover)", "::part(mypart):is(:hover)", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):is(:hover)", "::part(mypart):is(:hover)", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):where(:hover)" should be a valid selector

Asserts run

Pass	assert_true(true, "\"::part(mypart):where(:hover)\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Pass	assert_equals("::part(mypart):where(:hover)", "::part(mypart):where(:hover)", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:87:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:89:9)
Pass	assert_equals("::part(mypart):where(:hover)", "::part(mypart):where(:hover)", "serialization should round-trip") at Test.<anonymous> ( /css/support/parsing-testcommon.js:91:9)
Pass	assert_equals(true, true, "CSS.supports() reports the expected value") at Test.<anonymous> ( /css/support/parsing-testcommon.js:94:9)

Pass

"::part(mypart):not(:first-child)" should be an invalid selector

Asserts run

Pass

assert_throws_dom(12, function "() => document.querySelector(selector)", "\"::part(mypart):not(:first-child)\" should throw in querySelector")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:102:9)

Pass

assert_throws_dom(12, function "() => sheet.insertRule(selector + "{}")", "\"::part(mypart):not(:first-child)\" should throw in insertRule")
    at Test.<anonymous> ( /css/support/parsing-testcommon.js:112:9)

Fail

"::part(mypart):is(:first-child)" should be a valid selector

assert_equals: serialization should be canonical expected "::part(mypart):is(:first-child)" but got "::part(mypart):is()"

    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:84:13)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at test (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:633:30)
    at test_valid_selector (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:66:5)
    at test_valid_forgiving_selector (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:54:3)

Asserts run

Pass	assert_true(true, "\"::part(mypart):is(:first-child)\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Fail	assert_equals("::part(mypart):is()", "::part(mypart):is(:first-child)", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)

Fail

"::part(mypart):where(:first-child)" should be a valid selector

assert_equals: serialization should be canonical expected "::part(mypart):where(:first-child)" but got "::part(mypart):where()"

    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:84:13)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at test (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:633:30)
    at test_valid_selector (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:66:5)
    at test_valid_forgiving_selector (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/css/support/parsing-testcommon.js:54:3)

Asserts run

Pass	assert_true(true, "\"::part(mypart):where(:first-child)\" should not throw in querySelector") at Test.<anonymous> ( /css/support/parsing-testcommon.js:68:9)
Pass	assert_equals(0, 0, "Sheet should have no rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:76:9)
Pass	assert_equals(1, 1, "Sheet should have 1 rule") at Test.<anonymous> ( /css/support/parsing-testcommon.js:78:9)
Fail	assert_equals("::part(mypart):where()", "::part(mypart):where(:first-child)", "serialization should be canonical") at Test.<anonymous> ( /css/support/parsing-testcommon.js:84:13)