Handle indexed properties on value objects correctly.

test/mjsunit/indexed-value-properties.js

+// Copyright 2011 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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that the Number, String and Boolean prototypes are searched
+// for indexed properties on value objects.
+
+function return_one() { return 1; };
+
+function test(value) {
+  for (var i = 0; i < 10; i++) {
+    assertEquals(0, (value)[0]);
+    assertEquals(0, (value)["0"]);
+    assertEquals(return_one, (value)[1]);
+    assertEquals(return_one, (value)["1"]);
+    assertEquals(1, (value)[1]());
+    assertEquals(1, (value)["1"]());
+  }
+}
+
+Number.prototype[0] = 0;
+Number.prototype[1] = return_one;
+test(0);
+test(0.1);
+
+String.prototype[0] = 0;
+String.prototype[1] = return_one;
+test("");
+
+Boolean.prototype[0] = 0;
+Boolean.prototype[1] = return_one;
+test(true);
+test(false);