Add a WPT for coalesced event attributes on redispatch.

The test is tentative due to: w3c/pointerevents#514 Bug: 353538500 Change-Id: Id3ead2029e84a3100573558adbd7c14c272e821f Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5823713 Reviewed-by: Robert Flack <[email protected]> Commit-Queue: Mustaq Ahmed <[email protected]> Cr-Commit-Position: refs/heads/main@{#1350816}
web-platform-tests · Sep 4, 2024 · ab72b1d · ab72b1d
1 parent 0e3495a
commit ab72b1d
Showing 1 changed file with 99 additions and 0 deletions.
diff --git a/pointerevents/coalesced_events_attributes_on_redispatch.https.tentative.html b/pointerevents/coalesced_events_attributes_on_redispatch.https.tentative.html
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+<!doctype html>
+<!--
+   Tentative due to:
+   https://github.com/w3c/pointerevents/issues/514
+-->
+<title>Coalesced event properties after JS redispatches a trusted event</title>
+<meta name="variant" content="?mouse">
+<meta name="variant" content="?pen">
+<meta name="variant" content="?touch">
+<meta name="viewport" content="width=device-width">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-actions.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="pointerevent_support.js"></script>
+<link rel="stylesheet" type="text/css" href="pointerevent_styles.css">
+<style>
+  div {
+    width: 100px;
+    height: 100px;
+  }
+</style>
+<div id="target"></div>
+<div id="target2"></div>
+
+<script>
+  "use strict";
+  const pointer_type = location.search.substring(1);
+  const target = document.getElementById("target");
+  const target2 = document.getElementById("target2");
+
+  let received_num_coalesced;
+
+  function checkListAttributesBeforeRedispatch(event) {
+    assert_equals(event.type, "pointermove");
+    assert_equals(event.isTrusted, true);
+    assert_equals(event.target, target);
+
+    received_num_coalesced = event.getCoalescedEvents().length;
+    assert_greater_than_equal(received_num_coalesced, 1,
+        "pointermove.getCoalescedEvents() has at least 1 entry");
+
+    for (const coalesced_event of event.getCoalescedEvents()) {
+      assert_equals(coalesced_event.isTrusted, true,
+        "coalesced_event.isTrusted is true");
+      assert_equals(coalesced_event.target, target,
+        "coalesced_event.target matches dispatch target");
+    }
+  }
+
+  // This WPT minimally tests redispatched event attributes.  For trusted
+  // event tests, see coalesced_events_attributes.https.html.
+  function checkListAttributesAfterRedispatch(event) {
+    assert_equals(event.type, "pointermove");
+    assert_equals(event.isTrusted, false);
+    assert_equals(event.target, target2);
+
+    assert_greater_than_equal(event.getCoalescedEvents().length,
+        received_num_coalesced,
+        "pointermove.getCoalescedEvents() has the same number of entries");
+
+    for (const coalesced_event of event.getCoalescedEvents()) {
+      assert_equals(coalesced_event.isTrusted, true,
+        "coalesced_event.isTrusted maintains its original value");
+      assert_equals(coalesced_event.target, target,
+        "coalesced_event.target maintains its original value");
+    }
+  }
+
+  promise_test(async () => {
+    // We need "touch-action:none" to guarantee pointermove events.
+    target.classList.add("touchActionNone");
+
+    let pointermove_promise = getEvent("pointermove", target);
+    let pointerup_promise   = getEvent("pointerup",   target);
+
+    await new test_driver.Actions()
+        .addPointer("TestPointer", pointer_type)
+        .pointerMove(0, 0, {origin: target})
+        .pointerDown()
+        .pointerMove(20, 20, {origin: target})
+        .pointerUp()
+        .send();
+
+    let pointermove_event = await pointermove_promise;
+    await pointerup_promise;
+
+    checkListAttributesBeforeRedispatch(pointermove_event);
+
+    let pointermove_promise2 = getEvent("pointermove", target2);
+    target2.dispatchEvent(pointermove_event);
+    let pointermove_event2 = await pointermove_promise2;
+
+    checkListAttributesAfterRedispatch(pointermove_event2);
+
+    target.classList.remove("touchActionNone");
+  }, "Coalesced list in pointerdown/move/up events");
+</script>