Match max property descriptor length to corresponding bit fields

test/mjsunit/regress/regress-3010.js

+// Copyright 2013 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.
+
+(function() {
+  function testOneSize(current_size) {
+    var eval_string = 'obj = {';
+    for (var current = 0; current <= current_size; ++current) {
+      eval_string += 'k' + current + ':' + current + ','
+    }
+    eval_string += '};';
+    eval(eval_string);
+    for (var i = 0; i <= current_size; i++) {
+      assertEquals(i, obj['k'+i]);
+    }
+    var current_number = 0;
+    for (var x in obj) {
+      assertEquals(current_number, obj[x]);
+      current_number++;
+    }
+  }
+
+  testOneSize(127);
+  testOneSize(128);
+  testOneSize(129);
+
+  testOneSize(255);
+  testOneSize(256);
+  testOneSize(257);
+
+  testOneSize(511);
+  testOneSize(512);
+  testOneSize(513);
+
+  testOneSize(1023);
+  testOneSize(1024);
+  testOneSize(1025);
+
+  testOneSize(2047);
+  testOneSize(2048);
+  testOneSize(2049);
+}())