1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/lib/array-compare.js b/js/src/jit-test/lib/array-compare.js
new file mode 100644
index 0000000000..ede737b8c3
--- /dev/null
+++ b/js/src/jit-test/lib/array-compare.js
@@ -0,0 +1,28 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Library file for tests to load.
+
+function SameValue(v1, v2)
+{
+  if (v1 === 0 && v2 === 0)
+    return 1 / v1 === 1 / v2;
+  if (v1 !== v1 && v2 !== v2)
+    return true;
+  return v1 === v2;
+}
+
+function arraysEqual(a1, a2)
+{
+  var len1 = a1.length, len2 = a2.length;
+  if (len1 !== len2)
+    return false;
+  for (var i = 0; i < len1; i++)
+  {
+    if (!SameValue(a1[i], a2[i]))
+      return false;
+  }
+  return true;
+}
+