1 files changed, 125 insertions, 0 deletions
diff --git a/dom/events/test/pointerevents/mochitest_support_internal.js b/dom/events/test/pointerevents/mochitest_support_internal.js
new file mode 100644
index 0000000000..d46dd14f32
--- /dev/null
+++ b/dom/events/test/pointerevents/mochitest_support_internal.js
@@ -0,0 +1,125 @@
+// This file supports translating W3C tests
+// to tests on auto MochiTest system with minimum changes.
+// Author: Maksim Lebedev <alessarik@gmail.com>
+
+const PARENT_ORIGIN = "http://mochi.test:8888/";
+
+// Since web platform tests don't check pointerId, we have to use some heuristic
+// to test them. and thus pointerIds are send to mochitest_support_external.js
+// before we start sending synthesized widget events. Here, we avoid using
+// default values used in Gecko to insure everything works as expected.
+const POINTER_MOUSE_ID = 7;
+const POINTER_PEN_ID = 8;
+const POINTER_TOUCH_ID = 9; // Extend for multiple touch points if needed.
+
+// Setup environment.
+addListeners(document.getElementById("target0"));
+addListeners(document.getElementById("target1"));
+
+// Setup communication between mochitest_support_external.js.
+// Function allows to initialize prerequisites before testing
+// and adds some callbacks to support mochitest system.
+function resultCallback(aTestObj) {
+  var message = aTestObj.name + " (";
+  message += "Get: " + JSON.stringify(aTestObj.status) + ", ";
+  message += "Expect: " + JSON.stringify(aTestObj.PASS) + ")";
+  window.opener.postMessage(
+    {
+      type: "RESULT",
+      message,
+      result: aTestObj.status === aTestObj.PASS,
+    },
+    PARENT_ORIGIN
+  );
+}
+
+add_result_callback(resultCallback);
+add_completion_callback(() => {
+  window.opener.postMessage({ type: "FIN" }, PARENT_ORIGIN);
+});
+
+window.addEventListener("load", () => {
+  // Start testing.
+  var startMessage = {
+    type: "START",
+    message: {
+      mouseId: POINTER_MOUSE_ID,
+      penId: POINTER_PEN_ID,
+      touchId: POINTER_TOUCH_ID,
+    },
+  };
+  window.opener.postMessage(startMessage, PARENT_ORIGIN);
+});
+
+function addListeners(elem) {
+  if (!elem) {
+    return;
+  }
+  var All_Events = [
+    "pointerdown",
+    "pointerup",
+    "pointercancel",
+    "pointermove",
+    "pointerover",
+    "pointerout",
+    "pointerenter",
+    "pointerleave",
+    "gotpointercapture",
+    "lostpointercapture",
+  ];
+  All_Events.forEach(function (name) {
+    elem.addEventListener(name, function (event) {
+      console.log("(" + event.type + ")-(" + event.pointerType + ")");
+
+      // Perform checks only for trusted events.
+      if (!event.isTrusted) {
+        return;
+      }
+
+      // Compute the desired event.pointerId from event.pointerType.
+      var pointerId = {
+        mouse: POINTER_MOUSE_ID,
+        pen: POINTER_PEN_ID,
+        touch: POINTER_TOUCH_ID,
+      }[event.pointerType];
+
+      // Compare the pointerId.
+      resultCallback({
+        name: "Mismatched event.pointerId recieved.",
+        status: event.pointerId,
+        PASS: pointerId,
+      });
+    });
+  });
+}
+
+// mock the touchScrollInTarget to make the test work.
+function touchScrollInTarget() {
+  return Promise.resolve();
+}
+
+// mock test_driver to make the test work.
+function Actions() {}
+Actions.prototype = {
+  addPointer() {
+    return this;
+  },
+  pointerMove() {
+    return this;
+  },
+  pointerDown() {
+    return this;
+  },
+  pause() {
+    return this;
+  },
+  pointerUp() {
+    return this;
+  },
+  send() {
+    return Promise.resolve();
+  },
+};
+const test_driver = {
+  Actions,
+};