Experimental: merge from bleeding_edge. Merge up to and including...

test/mjsunit/mjsunit.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 33 matching lines @@
   if (name_opt) {
     // Fix this when we ditch the old test runner.
     start = "Fail" + "ure (" + name_opt + "): ";
   } else {
     start = "Fail" + "ure:";
   }
   throw new MjsUnitAssertionError(start + " expected <" + expected + "> found <" + found + ">");
 }
 
 
+function deepEquals(a, b) {
+  if (a == b) return true;
+  if ((typeof a) !== 'object' || (typeof b) !== 'object' ||
+      (a === null) || (b === null))
+    return false;
+  if (a.constructor === Array) {
+    if (b.constructor !== Array)
+      return false;
+    if (a.length != b.length)
+      return false;
+    for (var i = 0; i < a.length; i++) {
+      if (i in a) {
+        if (!(i in b) || !(deepEquals(a[i], b[i])))
+          return false;
+      } else if (i in b) {
+        return false;
+      }
+    }
+    return true;
+  }
+  return false;
+}
+
+
 function assertEquals(expected, found, name_opt) {
-  if (expected != found) {
+  if (!deepEquals(found, expected)) {
     fail(expected, found, name_opt);
   }
 }
 
 
 function assertArrayEquals(expected, found, name_opt) {
   var start = "";
   if (name_opt) {
     start = name_opt + " - ";
   }
@@ skipping 52 matching lines @@
 
 
 function assertUnreachable(name_opt) {
   // Fix this when we ditch the old test runner.
   var message = "Fail" + "ure: unreachable"
   if (name_opt) {
     message += " - " + name_opt;
   }
   throw new MjsUnitAssertionError(message);
 }