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diff --git a/dom/events/test/test_bug930374-content.html b/dom/events/test/test_bug930374-content.html
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+++ b/dom/events/test/test_bug930374-content.html
@@ -0,0 +1,70 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=930374
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 930374</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=930374">Mozilla Bug 930374</a>
+<div id="display">
+  <input id="input-text">
+</div>
+<div id="content" style="display: none">
+</div>
+<pre id="test">
+  <script type="application/javascript">
+    SimpleTest.waitForExplicitFinish();
+
+    var gKeyPress = null;
+    function onKeyPress(aEvent)
+    {
+      gKeyPress = aEvent;
+      is(aEvent.target, document.getElementById("input-text"), "input element should have focus");
+      ok(!aEvent.defaultPrevented, "keypress event should be consumed before keypress event handler");
+    }
+
+    function runTests()
+    {
+      document.addEventListener("keypress", onKeyPress);
+      var input = document.getElementById("input-text");
+      input.focus();
+
+      input.addEventListener("input", function (aEvent) {
+          ok(gKeyPress,
+             "Test1: keypress event must be fired before an input event");
+          ok(!gKeyPress.defaultPrevented,
+             "Test1: keypress event's defaultPrevented should be false even though it's consumed by the default action handler of editor");
+          gKeyPress.preventDefault();
+          ok(gKeyPress.defaultPrevented,
+             "Test1: keypress event's defaultPrevented should become true because of a call of preventDefault()");
+        }, {once: true});
+
+      sendChar("a");
+      gKeyPress = null;
+
+      input.addEventListener("input", function (aEvent) {
+          ok(gKeyPress,
+             "Test2: keypress event must be fired before an input event");
+          ok(!gKeyPress.defaultPrevented,
+             "Test2: keypress event's defaultPrevented should be false even though it's consumed by the default action handler of editor");
+          setTimeout(function () {
+            ok(!gKeyPress.defaultPrevented,
+               "Test2: keypress event's defaultPrevented should not become true after event dispatching finished");
+            SimpleTest.finish();
+          }, 0);
+        }, {once: true});
+
+      sendChar("b");
+    }
+
+    SimpleTest.waitForFocus(runTests);
+  </script>
+</pre>
+</body>
+</html>