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+// 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.
+
+// Flags: --allow-natives-syntax
+
+var y = 3;
+
+function get_y() { return this.y; }
+function strict_get_y() { "use strict"; return this.y; }
+
+// Test calls to strict mode function as methods.
+for (var i = 0; i < 10; i++) assertEquals(3, strict_get_y.call(this));
+var o = { y: 42 };
+for (var i = 0; i < 10; i++) assertEquals(42, strict_get_y.call(o));
+
+// Test calls to strict mode function with implicit receiver.
+function g() {
+ var exception = false;
+ try { strict_get_y(); } catch(e) { exception = true; }
+ assertTrue(exception);
+}
+for (var i = 0; i < 3; i++) g();
+
+// Test calls to local strict mode function with implicit receiver.
+function local_function_test() {
+ function get_y() { return this.y; }
+ function strict_get_y() { "use strict"; return this.y; }
+ assertEquals(3, get_y());
+ assertEquals(3, get_y(23));
+ var exception = false;
+ try {
+ strict_get_y();
+ } catch(e) {
+ exception = true;
+ }
+ assertTrue(exception);
+}
+
+for (var i = 0; i < 10; i++) {
+ local_function_test();
+}
+
+// Test call to catch variable strict-mode function. Implicit
+// receiver.
+var exception = false;
+try {
+ throw strict_get_y;
+} catch(f) {
+ try {
+ f();
+ } catch(e) {
+ exception = true;
+ }
+ assertTrue(exception);
+}
+
+
+// Test calls to strict-mode function with the object from a with
+// statement as the receiver.
+with(this) {
+ assertEquals(3, strict_get_y());
+ assertEquals(3, strict_get_y(32));
+}
+
+var o = { y: 27 };
+o.f = strict_get_y;
+with(o) {
+ assertEquals(27, f());
+ assertEquals(27, f(23));
+}
+
+
+// Check calls to eval within a function with 'undefined' as receiver.
+function implicit_receiver_eval() {
+ "use strict";
+ return eval("this");
+}
+
+assertEquals(void 0, implicit_receiver_eval());
+assertEquals(void 0, implicit_receiver_eval(32));
+
+
+// Strict mode function to get inlined.
+function strict_return_receiver() {
+ "use strict";
+ return this;
+}
+
+// Inline with implicit receiver.
+function g() {
+ return strict_return_receiver();
+}
+
+for (var i = 0; i < 5; i++) {
+ assertEquals(void 0, g());
+ assertEquals(void 0, g(42));
+}
+%OptimizeFunctionOnNextCall(g);
+assertEquals(void 0, g(42));
+assertEquals(void 0, g());
+
+// Inline with explicit receiver.
+function g2() {
+ var o = {};
+ o.f = strict_return_receiver;
+ return o.f();
+}
+
+for (var i = 0; i < 5; i++) {
+ assertTrue(typeof g2() == "object");
+ assertTrue(typeof g2(42) == "object");
+}
+%OptimizeFunctionOnNextCall(g2);
+assertTrue(typeof g2() == "object");
+assertTrue(typeof g2(42) == "object");
+
+// Test calls of aliased eval.
+function outer_eval_receiver() {
+ var eval = function() { return this; }
+ function inner_strict() {
+ "use strict";
+ assertEquals('object', typeof eval());
+ }
+ inner_strict();
+}
+outer_eval_receiver();
+
+function outer_eval_conversion3(eval, expected) {
+ function inner_strict() {
+ "use strict";
+ var x = eval("this");
+ assertEquals(expected, typeof x);
+ }
+ inner_strict();
+}
+
+function strict_return_this() { "use strict"; return this; }
+function return_this() { return this; }
+function strict_eval(s) { "use strict"; return eval(s); }
+function non_strict_eval(s) { return eval(s); }
+
+outer_eval_conversion3(strict_return_this, 'undefined');
+outer_eval_conversion3(return_this, 'object');
+outer_eval_conversion3(strict_eval, 'undefined');
+outer_eval_conversion3(non_strict_eval, 'object');
+
+// TODO(ager): I'm not sure this is in accordance with the spec. At
+// the moment, any call to eval where eval is not bound in the global
+// context is treated as an indirect call to eval which means that the
+// global context is used and the global object is passed as the
+// receiver.
+outer_eval_conversion3(eval, 'object');
+
+function test_constant_function() {
+ var o = { f: function() { "use strict"; return this; } };
+ this.__proto__ = o;
+ for (var i = 0; i < 10; i++) assertEquals(void 0, f());
+}
+test_constant_function();
+
+function test_field() {
+ var o = { };
+ o.f = function() {};
+ o.f = function() { "use strict"; return this; };
+ this.__proto__ = o;
+ for (var i = 0; i < 10; i++) assertEquals(void 0, f());
+}
+test_field();