Built-in JSON support

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 deepObjectEquals(a, b) {
+  var aProps = [];
+  for (var key in a)
+    aProps.push(key);
+  var bProps = [];
+  for (var key in b)
+    bProps.push(key);
+  aProps.sort();
+  bProps.sort();
+  if (!deepEquals(aProps, bProps))
+    return false;
+  for (var i = 0; i < aProps.length; i++) {
+    if (!deepEquals(a[aProps[i]], b[aProps[i]]))
+      return false;
+  }
+  return true;
+}
+
+
 function deepEquals(a, b) {
   if (a == b) return true;
   if (typeof a == "number" && typeof b == "number" && isNaN(a) && isNaN(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;
+  } else {
+    return deepObjectEquals(a, b);
   }
-  return false;
 }
 
 
 function assertEquals(expected, found, name_opt) {
   if (!deepEquals(found, expected)) {
     fail(expected, found, name_opt);
   }
 }
 
 
@@ skipping 35 matching lines @@
 }
 
 
 function assertNotNull(value, name_opt) {
   if (value === null) {
     fail("not null", value, name_opt);
   }
 }
 
 
-function assertThrows(code) {
+function assertThrows(code, type_opt, cause_opt) {
   var threwException = true;
   try {
-    eval(code);
+    if (typeof code == 'function') {
+      code();
+    } else {
+      eval(code);
+    }
     threwException = false;
   } catch (e) {
+    if (typeof type_opt == 'function')
+      assertInstanceof(e, type_opt);
+    if (arguments.length >= 3)
+      assertEquals(e.type, cause_opt);
     // Do nothing.
   }
   if (!threwException) assertTrue(false, "did not throw exception");
 }
 
 
 function assertInstanceof(obj, type) {
   if (!(obj instanceof type)) {
     assertTrue(false, "Object <" + obj + "> is not an instance of <" + type + ">");
   }
@@ skipping 10 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);
 }