Check for integer overflow when validating API function arguments.

chrome/test/data/extensions/json_schema_test.js

Index: chrome/test/data/extensions/json_schema_test.js
diff --git a/chrome/test/data/extensions/json_schema_test.js b/chrome/test/data/extensions/json_schema_test.js
index ee17ec673e30b76663d6067a2d09535daca9e983..e66442f5959f7bc758ccc21e50df37cf42728b68 100644
--- a/chrome/test/data/extensions/json_schema_test.js
+++ b/chrome/test/data/extensions/json_schema_test.js
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -421,6 +421,25 @@ function testNumber() {
                  ]);
 }
 
+function testIntegerBounds() {
+  assertValid("Number",           0, {type:"integer"});
+  assertValid("Number",          -1, {type:"integer"});
+  assertValid("Number",  2147483647, {type:"integer"});
+  assertValid("Number", -2147483648, {type:"integer"});
+  assertNotValid("Number",           0.5, {type:"integer"},
+                 [formatError("numberIntValue", [])]);
+  assertNotValid("Number", 10000000000,   {type:"integer"},
+                 [formatError("numberIntValue", [])]);
+  assertNotValid("Number",  2147483647.5, {type:"integer"},
+                 [formatError("numberIntValue", [])]);
+  assertNotValid("Number",  2147483648,   {type:"integer"},
+                 [formatError("numberIntValue", [])]);
+  assertNotValid("Number",  2147483649,   {type:"integer"},
+                 [formatError("numberIntValue", [])]);
+  assertNotValid("Number", -2147483649,   {type:"integer"},
+                 [formatError("numberIntValue", [])]);
+}
+
 function testType() {
   // valid
   assertValid("Type", {}, {type:"object"});