66665ae727
This reapplies https://codereview.chromium.org/1136073002, along with the followups: Remove Scope::scope_uses_this_ flag https://codereview.chromium.org/1128963005 and PPC: Resolve references to "this" the same way as normal variables https://codereview.chromium.org/1134073003 R=rossberg@chromium.org LOG=N BUG= Review URL: https://codereview.chromium.org/1136883006 Cr-Commit-Position: refs/heads/master@{#28458} Review URL: https://codereview.chromium.org/1140633003 Cr-Commit-Position: refs/heads/master@{#28484}
82 lines
3.0 KiB
JavaScript
82 lines
3.0 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-arrow-functions
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var object = {};
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var global = this;
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var call = Function.call.bind(Function.call);
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var globalSloppyArrow = () => this;
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var globalStrictArrow = () => { "use strict"; return this; };
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var globalSloppyArrowEval = (s) => eval(s);
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var globalStrictArrowEval = (s) => { "use strict"; return eval(s); };
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var sloppyFunctionArrow = function() {
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return (() => this)();
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};
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var strictFunctionArrow = function() {
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"use strict";
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return (() => this)();
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};
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var sloppyFunctionEvalArrow = function() {
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return eval("(() => this)()");
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};
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var strictFunctionEvalArrow = function() {
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"use strict";
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return eval("(() => this)()");
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};
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var sloppyFunctionArrowEval = function(s) {
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return (() => eval(s))();
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};
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var strictFunctionArrowEval = function(s) {
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"use strict";
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return (() => eval(s))();
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};
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var withObject = { 'this': object }
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var arrowInsideWith, arrowInsideWithEval;
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with (withObject) {
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arrowInsideWith = () => this;
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arrowInsideWithEval = (s) => eval(s);
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}
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assertEquals(global, call(globalSloppyArrow, object));
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assertEquals(global, call(globalStrictArrow, object));
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assertEquals(global, call(globalSloppyArrowEval, object, "this"));
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assertEquals(global, call(globalStrictArrowEval, object, "this"));
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assertEquals(global, call(globalSloppyArrowEval, object, "(() => this)()"));
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assertEquals(global, call(globalStrictArrowEval, object, "(() => this)()"));
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assertEquals(object, call(sloppyFunctionArrow, object));
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assertEquals(global, call(sloppyFunctionArrow, undefined));
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assertEquals(object, call(strictFunctionArrow, object));
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assertEquals(undefined, call(strictFunctionArrow, undefined));
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assertEquals(object, call(sloppyFunctionEvalArrow, object));
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assertEquals(global, call(sloppyFunctionEvalArrow, undefined));
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assertEquals(object, call(strictFunctionEvalArrow, object));
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assertEquals(undefined, call(strictFunctionEvalArrow, undefined));
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assertEquals(object, call(sloppyFunctionArrowEval, object, "this"));
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assertEquals(global, call(sloppyFunctionArrowEval, undefined, "this"));
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assertEquals(object, call(strictFunctionArrowEval, object, "this"));
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assertEquals(undefined, call(strictFunctionArrowEval, undefined, "this"));
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assertEquals(object,
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call(sloppyFunctionArrowEval, object, "(() => this)()"));
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assertEquals(global,
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call(sloppyFunctionArrowEval, undefined, "(() => this)()"));
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assertEquals(object,
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call(strictFunctionArrowEval, object, "(() => this)()"));
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assertEquals(undefined,
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call(strictFunctionArrowEval, undefined, "(() => this)()"));
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assertEquals(global, call(arrowInsideWith, undefined));
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assertEquals(global, call(arrowInsideWith, object));
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assertEquals(global, call(arrowInsideWithEval, undefined, "this"));
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assertEquals(global, call(arrowInsideWithEval, object, "this"));
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assertEquals(global, call(arrowInsideWithEval, undefined, "(() => this)()"));
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assertEquals(global, call(arrowInsideWithEval, object, "(() => this)()"));
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