1 files changed, 92 insertions, 0 deletions
diff --git a/testing/web-platform/tests/pointerevents/deviceproperties/pointer-event-has-device-properties-uniqueid-from-pointer-event-init.tentative.html b/testing/web-platform/tests/pointerevents/deviceproperties/pointer-event-has-device-properties-uniqueid-from-pointer-event-init.tentative.html
new file mode 100644
index 0000000000..a37df4b421
--- /dev/null
+++ b/testing/web-platform/tests/pointerevents/deviceproperties/pointer-event-has-device-properties-uniqueid-from-pointer-event-init.tentative.html
@@ -0,0 +1,92 @@
+<!DOCTYPE html>
+<!--
+   Tentative; contingent on merge of:
+   https://github.com/w3c/pointerevents/pull/495
+-->
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="console"></div>
+
+<!-- This test verifies that pointerEvent.deviceProperties.uniqueId
+     can be set via PointerEventInit. -->
+<script>
+    const UNIQUE_ID = 1001;
+    const INVALID_UNIQUE_ID = 0;
+
+    function CheckDeviceId(event, uniqueId) {
+        assert_equals(event.deviceProperties.uniqueId, uniqueId, "uniqueId is populated");
+    }
+
+    promise_test(async () => {
+        if (!window.internals)
+          return;
+        var deviceProps = new DeviceProperties({
+          uniqueId: 1001
+        });
+        var downEvent = new PointerEvent("pointerdown",
+          {pointerId: 1,
+            bubbles: true,
+            cancelable: true,
+            pointerType: "pen",
+            width: 100,
+            height: 100,
+            isPrimary: true,
+            deviceProperties: deviceProps
+          });
+        CheckDeviceId(downEvent, UNIQUE_ID);
+        var moveEvent = new PointerEvent("pointermove",
+          {pointerId: 1,
+            bubbles: true,
+            cancelable: true,
+            pointerType: "pen",
+            width: 100,
+            height: 100,
+            isPrimary: true,
+            deviceProperties: deviceProps
+          });
+        CheckDeviceId(moveEvent, UNIQUE_ID);
+        var upEvent = new PointerEvent("pointerup",
+          {pointerId: 1,
+            bubbles: true,
+            cancelable: true,
+            pointerType: "pen",
+            width: 100,
+            height: 100,
+            isPrimary: true,
+            deviceProperties: deviceProps
+          });
+        CheckDeviceId(upEvent, UNIQUE_ID);
+    }, 'PointerEvent.deviceProperties via DevicePropertiesInit');
+
+    promise_test(async () => {
+        if (!window.internals)
+          return;
+        var emptyDeviceProps = new DeviceProperties({});
+        var downEventEmptyProps = new PointerEvent("pointerdown",
+          {pointerId: 1,
+            bubbles: true,
+            cancelable: true,
+            pointerType: "pen",
+            width: 100,
+            height: 100,
+            isPrimary: true,
+            deviceProperties: emptyDeviceProps
+        });
+        CheckDeviceId(downEventEmptyProps, INVALID_UNIQUE_ID);
+    }, 'PointerEvent.deviceProperties via empty DevicePropertiesInit');
+
+    promise_test(async () => {
+        if (!window.internals)
+          return;
+        var downEventEmptyProps = new PointerEvent("pointerdown",
+          {pointerId: 1,
+            bubbles: true,
+            cancelable: true,
+            pointerType: "pen",
+            width: 100,
+            height: 100,
+            isPrimary: true,
+        });
+        CheckDeviceId(downEventEmptyProps, INVALID_UNIQUE_ID);
+    }, 'No deviceProperties in PointerEventInit');
+</script>
+\ No newline at end of file