Support loads from primitive values.

test/mjsunit/value-wrapper-accessor.js

+// Copyright 2014 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.
+
+// When calling user-defined accessors on strings, booleans or
+// numbers, we should create a wrapper object in classic-mode.
+
+// Flags: --allow-natives-syntax
+
+function test(object, prototype) {
+  var result;
+  Object.defineProperty(prototype, "nonstrict", {
+    get: function() { result = this; },
+    set: function(v) { result = this; }
+  });
+  Object.defineProperty(prototype, "strict", {
+    get: function() { "use strict"; result = this; },
+    set: function(v) { "use strict"; result = this; }
+  });
+
+  (function() {
+    function nonstrict(s) {
+      return s.nonstrict;
+    }
+    function strict(s) {
+      return s.strict;
+    }
+
+    nonstrict(object);
+    nonstrict(object);
+    %OptimizeFunctionOnNextCall(nonstrict);
+    result = undefined;
+    nonstrict(object);
+    assertEquals("object", typeof result);
+
+    strict(object);
+    strict(object);
+    %OptimizeFunctionOnNextCall(strict);
+    result = undefined;
+    strict(object);
+    assertEquals(typeof object, typeof result);
+  })();
+
+  (function() {
+    function nonstrict(s) {
+      return s.nonstrict = 10;
+    }
+    function strict(s) {
+      return s.strict = 10;
+    }
+
+    nonstrict(object);
+    nonstrict(object);
+    %OptimizeFunctionOnNextCall(nonstrict);
+    result = undefined;
+    nonstrict(object);
+    // TODO(1475): Support storing to primitive values.
+    // This should return "object" once storing to primitive values is
+    // supported.
+    assertEquals("undefined", typeof result);
+
+    strict(object);
+    strict(object);
+    %OptimizeFunctionOnNextCall(strict);
+    result = undefined;
+    strict(object);
+    // TODO(1475): Support storing to primitive values.
+    // This should return "object" once storing to primitive values is
+    // supported.
+    assertEquals("undefined", typeof result);
+  })();
+}
+
+test(1, Number.prototype);
+test("string", String.prototype);
+test(true, Boolean.prototype);