import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/inputmethod/mochitest/test_sendkey_cancel.html

@@ -0,0 +1,67 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=952080
+-->
+<head>
+  <title>SendKey with canceled keydown test for InputMethod API.</title>
+  <script type="application/javascript;version=1.7" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="application/javascript;version=1.7" src="inputmethod_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=952080">Mozilla Bug 952080</a>
+<p id="display"></p>
+<pre id="test">
+<script class="testbody" type="application/javascript;version=1.7">
+
+// The input context.
+var gContext = null;
+
+inputmethod_setup(function() {
+  runTest();
+});
+
+function runTest() {
+  let im = navigator.mozInputMethod;
+
+  im.oninputcontextchange = function() {
+    ok(true, 'inputcontextchange event was fired.');
+    im.oninputcontextchange = null;
+
+    gContext = im.inputcontext;
+    if (!gContext) {
+      ok(false, 'Should have a non-null inputcontext.');
+      inputmethod_cleanup();
+      return;
+    }
+
+    test();
+  };
+
+  // Set current page as an input method.
+  SpecialPowers.wrap(im).setActive(true);
+
+  let iframe = document.createElement('iframe');
+  iframe.src = 'file_test_sendkey_cancel.html';
+  iframe.setAttribute('mozbrowser', true);
+  document.body.appendChild(iframe);
+}
+
+function test() {
+  gContext.sendKey(0, 'j', 0).then(function() {
+    ok(false, 'sendKey was incorrectly resolved');
+
+    inputmethod_cleanup();
+  }, function(e) {
+    ok(true, 'sendKey was rejected');
+
+    inputmethod_cleanup();
+  });
+}
+
+</script>
+</pre>
+</body>
+</html>
+