Reland v8:18458 "Load the global proxy from the context of the target function."

test/mjsunit/contextual-calls.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.
+
+var realms = [Realm.current(), Realm.create()];
+globals = [Realm.global(0), Realm.global(1)];
+Realm.shared = {}
+
+function install(name, value) {
+  Realm.shared[name] = value;
+  for (i in realms) {
+    Realm.eval(realms[i], name + " = Realm.shared['" + name + "'];");
+  }
+}
+
+install('return_this', function() { return this; });
+install('return_this_strict', function () { 'use strict'; return this; });
+
+// test behaviour of 'with' scope
+for (i in realms) {
+  Realm.shared.results = [];
+  // in the second case, 'this' is found in the with scope,
+  // so the receiver is 'this'
+  Realm.eval(realms[i],"                                                       \
+      with('irrelevant') {                                                     \
+        Realm.shared.results.push(return_this());                              \
+        Realm.shared.results.push(return_this_strict());                       \
+      }                                                                        \
+      with(this) {                                                             \
+        Realm.shared.results.push(return_this());                              \
+        Realm.shared.results.push(return_this_strict());                       \
+      }                                                                        \
+    ");
+  assertSame(globals[0], Realm.shared.results[0]);
+  assertSame(undefined, Realm.shared.results[1]);
+  assertSame(globals[i], Realm.shared.results[2]);
+  assertSame(globals[i], Realm.shared.results[3]);
+}
+
+// test 'apply' and 'call'
+for (i in realms) {
+  // 'apply' without a receiver is a contextual call
+  assertSame(globals[0], Realm.eval(realms[i],'return_this.apply()')) ;
+  assertSame(undefined, Realm.eval(realms[i],'return_this_strict.apply()'));
+  assertSame(globals[0], Realm.eval(realms[i],'return_this.apply(null)')) ;
+  assertSame(null, Realm.eval(realms[i],'return_this_strict.apply(null)'));
+  // 'call' without a receiver is a contextual call
+  assertSame(globals[0], Realm.eval(realms[i],'return_this.call()')) ;
+  assertSame(undefined, Realm.eval(realms[i],'return_this_strict.call()'));
+  assertSame(globals[0], Realm.eval(realms[i],'return_this.call(null)')) ;
+  assertSame(null, Realm.eval(realms[i],'return_this_strict.call(null)'));
+}
+
+// test ics
+for (var i = 0; i < 4; i++) {
+  assertSame(globals[0], return_this());
+  assertSame(undefined, return_this_strict());
+}
+
+// BUG(1547)
+
+Realm.eval(realms[0], "var name = 'o'");
+Realm.eval(realms[1], "var name = 'i'");
+
+install('f', function() { return this.name; });
+install('g', function() { "use strict"; return this ? this.name : "u"; });
+
+for (i in realms) {
+  result = Realm.eval(realms[i], "                                             \
+      (function(){return f();})() +                                            \
+      (function(){return (1,f)();})() +                                        \
+      (function(){'use strict'; return f();})() +                              \
+      (function(){'use strict'; return (1,f)();})() +                          \
+      (function(){return g();})() +                                            \
+      (function(){return (1,g)();})() +                                        \
+      (function(){'use strict'; return g();})() +                              \
+      (function(){'use strict'; return (1,g)();})();                           \
+    ");
+  assertSame("oooouuuu", result);
+}