Dragging the mouse from child frame to parent frame causes both mousedown and mouseup events being dispatched to child frame, regardless of whether the mousedown event is canceled or not.

Summary

Harness status: OK

Found 2 tests

Details

ResultTest NameMessage
FailChild frame receives mousedown/mouseup when mousedown is not-canceledpromise_test: Unhandled rejection with value: object "Error: action_sequence() is not implemented by testdriver-vendor.js"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
FailChild frame receives mousedown/mouseup when mousedown is canceledpromise_test: Unhandled rejection with value: object "Error: action_sequence() is not implemented by testdriver-vendor.js"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran