1 files changed, 74 insertions, 0 deletions
diff --git a/dom/events/test/pointerevents/test_bug1697769.xhtml b/dom/events/test/pointerevents/test_bug1697769.xhtml
new file mode 100644
index 0000000000..073120db9b
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+++ b/dom/events/test/pointerevents/test_bug1697769.xhtml
@@ -0,0 +1,74 @@
+<?xml version="1.0"?>
+<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
+<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>
+<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+        xmlns:html="http://www.w3.org/1999/xhtml"
+        title="Test for Bug 1697769">
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1697769
+-->
+<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+<script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
+
+<hbox height="300" align="center">
+<vbox width="30" align="center">
+<scrollbar id="scrollbar" orient="vertical" curpos="0" maxpos="500" height="300" />
+</vbox>
+</hbox>
+
+<body id="html_body" xmlns="http://www.w3.org/1999/xhtml">
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1697769">Mozilla Bug 1697769</a>
+<p id="display"></p>
+<pre id="test"></pre>
+</body>
+
+<script class="testbody" type="application/javascript">
+<![CDATA[
+
+let scrollbar;
+let scrollbarThumb;
+
+add_setup(async function() {
+  scrollbar = document.getElementById("scrollbar");
+  scrollbarThumb = null;
+  for (let child of SpecialPowers.InspectorUtils.getChildrenForNode(scrollbar, true)) {
+    if (child.nodeName === "slider") {
+      scrollbarThumb = SpecialPowers.unwrap(child.childNodes[0]);
+    }
+  }
+
+  ok(scrollbarThumb, "Should find thumb");
+  is(scrollbarThumb.nodeName, "thumb", "Should find thumb");
+
+  // Wait for finishing reflow...
+  await new Promise(resolve => SimpleTest.executeSoon(resolve));
+});
+
+add_task(function testScrollbarMouse() {
+  // Simulate mouse actions.
+  synthesizeMouseAtCenter(scrollbarThumb, {type: "mousedown", "inputSource": MouseEvent.MOZ_SOURCE_TOUCH});
+  is(scrollbar.getAttribute("curpos"), "0", "scrollbar thumb has been moved already");
+
+  synthesizeMouseAtCenter(scrollbar, {type: "mousemove", "inputSource": MouseEvent.MOZ_SOURCE_TOUCH});
+  ok(scrollbar.getAttribute("curpos") > 0, "scrollbar thumb hasn't been dragged");
+
+  synthesizeMouseAtCenter(scrollbar, {type: "mouseup", "inputSource": MouseEvent.MOZ_SOURCE_TOUCH});
+});
+
+add_task(function testScrollbarTouch() {
+  // reset scrollbar position
+  scrollbar.setAttribute("curpos", "0");
+
+  // Simulate touch actions.
+  synthesizeTouchAtCenter(scrollbarThumb, {type: "touchstart"});
+  is(scrollbar.getAttribute("curpos"), "0", "scrollbar thumb has been moved already");
+
+  synthesizeTouchAtCenter(scrollbar, {type: "touchmove"});
+  ok(scrollbar.getAttribute("curpos") > 0, "scrollbar thumb hasn't been dragged");
+
+  synthesizeTouchAtCenter(scrollbar, {type: "touchend"});
+});
+
+]]>
+</script>
+</window>