4 files changed, 42 insertions, 8 deletions
diff --git a/dom/base/test/test_bug1375050.html b/dom/base/test/test_bug1375050.html
new file mode 100644
index 000000000..b91b859d0
--- /dev/null
+++ b/dom/base/test/test_bug1375050.html
@@ -0,0 +1,33 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1375050
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1375050</title>
+  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+  <script type="application/javascript">
+      try { o1 = document.createElement('input');  } catch(e) { console.log(e); };
+      try { o2 = document.createElement('col');  } catch(e) { console.log(e); };
+      try { o4 = document.createRange(); } catch(e) { console.log(e); };
+      try { document.documentElement.appendChild(o1); } catch(e) { console.log(e); };
+      try { for (let p in o1) { let x = o1[p] }; } catch(e) { console.log(e); };
+      try { o4.selectNode(o1); } catch(e) { console.log(e); };
+      try { o6 = document.createComment(" x"); } catch(e) { console.log(e); }
+      try { o4.surroundContents(o6); } catch(e) { console.log(e); }
+      try { o7 = document.implementation.createDocument('', '', null).adoptNode(o1); } catch(e) {  console.log(e);};
+      try { o2.appendChild(o1); } catch(e) { console.log(e); };
+      ok(true, "Didn't crash.");
+  </script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1375050">Mozilla Bug 1375050</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+</div>
+<pre id="test">
+</pre>
+</body>
+</html>
diff --git a/dom/base/test/test_bug403852.html b/dom/base/test/test_bug403852.html
index 30192cb1b..592711500 100644
--- a/dom/base/test/test_bug403852.html
+++ b/dom/base/test/test_bug403852.html
@@ -38,7 +38,8 @@ function onOpened(message) {
   ok("lastModifiedDate" in domFile, "lastModifiedDate must be present");
 
   var d = new Date(message.mtime);
-  is(d.getTime(), domFile.lastModifiedDate.getTime(), "lastModifiedDate should be the same");
+  // Commented out: lastModifiedDate is rounded because it is a DOM API, message is a special-powers Chrome thing
+  // is(d.getTime(), domFile.lastModifiedDate.getTime(), "lastModifiedDate should be the same");
 
   var x = new Date();
 
@@ -53,8 +54,8 @@ function onOpened(message) {
   ok((x.getTime() <= y.getTime()) && (y.getTime() <= z.getTime()), "lastModifiedDate of file which does not have last modified date should be current time");
 
 
-  var d = new Date(message.fileDate);
-  is(d.getTime(), message.fileWithDate.lastModifiedDate.getTime(), "lastModifiedDate should be the same when lastModified is set: " + message.fileWithDate.lastModified);
+  // var d = new Date(message.fileDate);
+  // is(d.getTime(), message.fileWithDate.lastModifiedDate.getTime(), "lastModifiedDate should be the same when lastModified is set: " + message.fileWithDate.lastModified);
 
   script.destroy();
   SimpleTest.finish();
diff --git a/dom/base/test/test_file_negative_date.html b/dom/base/test/test_file_negative_date.html
index ebfa9bd0d..26cf3b82e 100644
--- a/dom/base/test/test_file_negative_date.html
+++ b/dom/base/test/test_file_negative_date.html
@@ -22,13 +22,13 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=1158437
 
 var blob = new Blob(['hello world']);
 var f1 = new File([blob], 'f1.txt', { lastModified: 0 });
-var f2 = new File([blob], 'f2.txt', { lastModified: -1 });
+var f2 = new File([blob], 'f2.txt', { lastModified: -2 });
 var f3 = new File([blob], 'f3.txt', { lastModified: -1000 });
 
 is(f1.lastModified, 0, "lastModified == 0 is supported");
 ok(f1.lastModifiedDate.toString(), (new Date(0)).toString(), "Correct f1.lastModifiedDate value");
-is(f2.lastModified, -1, "lastModified == -1 is supported");
-ok(f2.lastModifiedDate.toString(), (new Date(-1)).toString(), "Correct f2.lastModifiedDate value");
+is(f2.lastModified, -2, "lastModified == -2 is supported");
+ok(f2.lastModifiedDate.toString(), (new Date(-2)).toString(), "Correct f2.lastModifiedDate value");
 is(f3.lastModified, -1000, "lastModified == -1000 is supported");
 ok(f3.lastModifiedDate.toString(), (new Date(-1000)).toString(), "Correct f3.lastModifiedDate value");
 
diff --git a/dom/base/test/test_viewport_scroll.html b/dom/base/test/test_viewport_scroll.html
index 9b812360b..7db02b781 100644
--- a/dom/base/test/test_viewport_scroll.html
+++ b/dom/base/test/test_viewport_scroll.html
@@ -28,10 +28,10 @@ function subtest(winProp, elemProp, win, correctElement, elemToSet, otherElem1,
   win.scrollTo(50, 50);
   elemToSet[elemProp] = 100;
   if (elemToSet == correctElement) {
-    is(win[winProp], 100, "Setting " + elemToSet.name + "." + elemProp + " should scroll");
+    is(Math.round(win[winProp]), 100, "Setting " + elemToSet.name + "." + elemProp + " should scroll");
     is(elemToSet[elemProp], 100, "Reading back " + elemToSet.name + "." + elemProp + " after scrolling");
   } else {
-    is(win[winProp], 50, "Setting " + elemToSet.name + "." + elemProp + " should not scroll");
+    is(Math.round(win[winProp]), 50, "Setting " + elemToSet.name + "." + elemProp + " should not scroll");
     is(elemToSet[elemProp], 0, "Reading back " + elemToSet.name + "." + elemProp + " after not scrolling");
   }
   if (otherElem1 == correctElement) {