2c9e38e09e
It was never being set to false in production (though it was in test-parsing.cc, due to that test having its own flag-setting logic). Review URL: https://codereview.chromium.org/1815033002 Cr-Commit-Position: refs/heads/master@{#34878}
683 lines
18 KiB
JavaScript
683 lines
18 KiB
JavaScript
// Copyright 2013 the V8 project authors. All rights reserved.
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// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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description(
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"This test thoroughly checks the behaviour of the 'arguments' object."
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);
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function access_1(a, b, c)
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{
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return arguments[0];
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}
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function access_2(a, b, c)
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{
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return arguments[1];
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}
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function access_3(a, b, c)
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{
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return arguments[2];
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}
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function access_4(a, b, c)
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{
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return arguments[3];
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}
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function access_5(a, b, c)
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{
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return arguments[4];
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}
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function argumentLengthIs5() {
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arguments.length = 5;
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return arguments.length;
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}
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function duplicateArgumentAndReturnLast_call(a) {
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Array.prototype.push.call(arguments, a);
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return arguments[1];
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}
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function duplicateArgumentAndReturnFirst_call(a) {
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Array.prototype.push.call(arguments, a);
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return arguments[0];
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}
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function duplicateArgumentAndReturnLast_apply(a) {
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Array.prototype.push.apply(arguments, arguments);
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return arguments[1];
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}
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function duplicateArgumentAndReturnFirst_apply(a) {
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Array.prototype.push.apply(arguments, arguments);
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return arguments[0];
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}
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shouldBe("access_1(1, 2, 3)", "1");
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shouldBe("access_2(1, 2, 3)", "2");
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shouldBe("access_3(1, 2, 3)", "3");
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shouldBe("access_4(1, 2, 3)", "undefined");
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shouldBe("access_5(1, 2, 3)", "undefined");
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shouldBe("access_1(1)", "1");
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shouldBe("access_2(1)", "undefined");
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shouldBe("access_3(1)", "undefined");
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shouldBe("access_4(1)", "undefined");
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shouldBe("access_5(1)", "undefined");
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shouldBe("access_1(1, 2, 3, 4, 5)", "1");
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shouldBe("access_2(1, 2, 3, 4, 5)", "2");
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shouldBe("access_3(1, 2, 3, 4, 5)", "3");
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shouldBe("access_4(1, 2, 3, 4, 5)", "4");
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shouldBe("access_5(1, 2, 3, 4, 5)", "5");
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shouldBe("argumentLengthIs5()", "5");
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shouldBe("argumentLengthIs5(1,2,3,4,5)", "5");
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shouldBe("argumentLengthIs5(1,2,3,4,5,6,7,8,9,10)", "5");
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shouldBe("duplicateArgumentAndReturnLast_call(1)", "1");
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shouldBe("duplicateArgumentAndReturnFirst_call(1)", "1");
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shouldBe("duplicateArgumentAndReturnLast_apply(1)", "1");
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shouldBe("duplicateArgumentAndReturnFirst_apply(1)", "1");
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function f(a, b, c)
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{
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return arguments;
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}
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function tear_off_equal_access_1(a, b, c)
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{
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return f(a, b, c)[0];
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}
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function tear_off_equal_access_2(a, b, c)
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{
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return f(a, b, c)[1];
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}
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function tear_off_equal_access_3(a, b, c)
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{
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return f(a, b, c)[2];
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}
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function tear_off_equal_access_4(a, b, c)
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{
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return f(a, b, c)[3];
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}
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function tear_off_equal_access_5(a, b, c)
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{
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return f(a, b, c)[4];
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}
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shouldBe("tear_off_equal_access_1(1, 2, 3)", "1");
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shouldBe("tear_off_equal_access_2(1, 2, 3)", "2");
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shouldBe("tear_off_equal_access_3(1, 2, 3)", "3");
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shouldBe("tear_off_equal_access_4(1, 2, 3)", "undefined");
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shouldBe("tear_off_equal_access_5(1, 2, 3)", "undefined");
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function tear_off_too_few_access_1(a)
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{
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return f(a)[0];
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}
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function tear_off_too_few_access_2(a)
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{
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return f(a)[1];
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}
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function tear_off_too_few_access_3(a)
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{
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return f(a)[2];
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}
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function tear_off_too_few_access_4(a)
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{
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return f(a)[3];
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}
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function tear_off_too_few_access_5(a)
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{
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return f(a)[4];
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}
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shouldBe("tear_off_too_few_access_1(1)", "1");
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shouldBe("tear_off_too_few_access_2(1)", "undefined");
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shouldBe("tear_off_too_few_access_3(1)", "undefined");
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shouldBe("tear_off_too_few_access_4(1)", "undefined");
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shouldBe("tear_off_too_few_access_5(1)", "undefined");
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function tear_off_too_many_access_1(a, b, c, d, e)
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{
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return f(a, b, c, d, e)[0];
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}
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function tear_off_too_many_access_2(a, b, c, d, e)
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{
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return f(a, b, c, d, e)[1];
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}
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function tear_off_too_many_access_3(a, b, c, d, e)
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{
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return f(a, b, c, d, e)[2];
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}
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function tear_off_too_many_access_4(a, b, c, d, e)
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{
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return f(a, b, c, d, e)[3];
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}
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function tear_off_too_many_access_5(a, b, c, d, e)
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{
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return f(a, b, c, d, e)[4];
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}
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shouldBe("tear_off_too_many_access_1(1, 2, 3, 4, 5)", "1");
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shouldBe("tear_off_too_many_access_2(1, 2, 3, 4, 5)", "2");
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shouldBe("tear_off_too_many_access_3(1, 2, 3, 4, 5)", "3");
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shouldBe("tear_off_too_many_access_4(1, 2, 3, 4, 5)", "4");
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shouldBe("tear_off_too_many_access_5(1, 2, 3, 4, 5)", "5");
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function live_1(a, b, c)
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{
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arguments[0] = 1;
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return a;
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}
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function live_2(a, b, c)
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{
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arguments[1] = 2;
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return b;
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}
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function live_3(a, b, c)
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{
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arguments[2] = 3;
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return c;
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}
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shouldBe("live_1(0, 2, 3)", "1");
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shouldBe("live_2(1, 0, 3)", "2");
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shouldBe("live_3(1, 2, 0)", "3");
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// Arguments that were not provided are not live
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shouldBe("live_1(0)", "1");
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shouldBe("live_2(1)", "undefined");
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shouldBe("live_3(1)", "undefined");
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shouldBe("live_1(0, 2, 3, 4, 5)", "1");
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shouldBe("live_2(1, 0, 3, 4, 5)", "2");
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shouldBe("live_3(1, 2, 0, 4, 5)", "3");
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function extra_args_modify_4(a, b, c)
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{
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arguments[3] = 4;
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return arguments[3];
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}
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function extra_args_modify_5(a, b, c)
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{
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arguments[4] = 5;
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return arguments[4];
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}
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shouldBe("extra_args_modify_4(1, 2, 3, 0, 5)", "4");
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shouldBe("extra_args_modify_5(1, 2, 3, 4, 0)", "5");
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function tear_off_live_1(a, b, c)
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{
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var args = arguments;
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return function()
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{
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args[0] = 1;
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return a;
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};
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}
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function tear_off_live_2(a, b, c)
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{
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var args = arguments;
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return function()
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{
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args[1] = 2;
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return b;
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};
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}
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function tear_off_live_3(a, b, c)
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{
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var args = arguments;
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return function()
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{
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args[2] = 3;
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return c;
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};
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}
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shouldBe("tear_off_live_1(0, 2, 3)()", "1");
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shouldBe("tear_off_live_2(1, 0, 3)()", "2");
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shouldBe("tear_off_live_3(1, 2, 0)()", "3");
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// Arguments that were not provided are not live
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shouldBe("tear_off_live_1(0)()", "1");
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shouldBe("tear_off_live_2(1)()", "undefined");
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shouldBe("tear_off_live_3(1)()", "undefined");
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shouldBe("tear_off_live_1(0, 2, 3, 4, 5)()", "1");
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shouldBe("tear_off_live_2(1, 0, 3, 4, 5)()", "2");
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shouldBe("tear_off_live_3(1, 2, 0, 4, 5)()", "3");
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function tear_off_extra_args_modify_4(a, b, c)
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{
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return function()
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{
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arguments[3] = 4;
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return arguments[3];
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}
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}
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function tear_off_extra_args_modify_5(a, b, c)
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{
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return function()
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{
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arguments[4] = 5;
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return arguments[4];
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}
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}
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shouldBe("tear_off_extra_args_modify_4(1, 2, 3, 0, 5)()", "4");
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shouldBe("tear_off_extra_args_modify_5(1, 2, 3, 4, 0)()", "5");
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function delete_1(a, b, c)
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{
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delete arguments[0];
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return arguments[0];
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}
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function delete_2(a, b, c)
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{
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delete arguments[1];
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return arguments[1];
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}
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function delete_3(a, b, c)
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{
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delete arguments[2];
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return arguments[2];
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}
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function delete_4(a, b, c)
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{
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delete arguments[3];
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return arguments[3];
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}
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function delete_5(a, b, c)
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{
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delete arguments[4];
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return arguments[4];
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}
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shouldBe("delete_1(1, 2, 3)", "undefined");
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shouldBe("delete_2(1, 2, 3)", "undefined");
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shouldBe("delete_3(1, 2, 3)", "undefined");
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shouldBe("delete_4(1, 2, 3)", "undefined");
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shouldBe("delete_5(1, 2, 3)", "undefined");
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shouldBe("delete_1(1)", "undefined");
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shouldBe("delete_2(1)", "undefined");
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shouldBe("delete_3(1)", "undefined");
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shouldBe("delete_4(1)", "undefined");
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shouldBe("delete_5(1)", "undefined");
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shouldBe("delete_1(1, 2, 3, 4, 5)", "undefined");
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shouldBe("delete_2(1, 2, 3, 4, 5)", "undefined");
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shouldBe("delete_3(1, 2, 3, 4, 5)", "undefined");
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shouldBe("delete_4(1, 2, 3, 4, 5)", "undefined");
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shouldBe("delete_5(1, 2, 3, 4, 5)", "undefined");
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function tear_off_delete_1(a, b, c)
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{
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return function()
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{
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delete arguments[0];
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return arguments[0];
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};
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}
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function tear_off_delete_2(a, b, c)
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{
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return function()
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{
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delete arguments[1];
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return arguments[1];
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};
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}
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function tear_off_delete_3(a, b, c)
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{
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return function()
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{
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delete arguments[2];
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return arguments[2];
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};
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}
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function tear_off_delete_4(a, b, c)
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{
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return function()
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{
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delete arguments[3];
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return arguments[3];
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};
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}
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function tear_off_delete_5(a, b, c)
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{
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return function()
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{
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delete arguments[4];
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return arguments[4];
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};
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}
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shouldBe("tear_off_delete_1(1, 2, 3)()", "undefined");
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shouldBe("tear_off_delete_2(1, 2, 3)()", "undefined");
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shouldBe("tear_off_delete_3(1, 2, 3)()", "undefined");
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shouldBe("tear_off_delete_4(1, 2, 3)()", "undefined");
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shouldBe("tear_off_delete_5(1, 2, 3)()", "undefined");
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shouldBe("tear_off_delete_1(1)()", "undefined");
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shouldBe("tear_off_delete_2(1)()", "undefined");
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shouldBe("tear_off_delete_3(1)()", "undefined");
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shouldBe("tear_off_delete_4(1)()", "undefined");
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shouldBe("tear_off_delete_5(1)()", "undefined");
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shouldBe("tear_off_delete_1(1, 2, 3, 4, 5)()", "undefined");
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shouldBe("tear_off_delete_2(1, 2, 3, 4, 5)()", "undefined");
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shouldBe("tear_off_delete_3(1, 2, 3, 4, 5)()", "undefined");
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shouldBe("tear_off_delete_4(1, 2, 3, 4, 5)()", "undefined");
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shouldBe("tear_off_delete_5(1, 2, 3, 4, 5)()", "undefined");
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function delete_not_live_1(a, b, c)
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{
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delete arguments[0];
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return a;
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}
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function delete_not_live_2(a, b, c)
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{
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delete arguments[1];
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return b;
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}
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function delete_not_live_3(a, b, c)
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{
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delete arguments[2];
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return c;
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}
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shouldBe("delete_not_live_1(1, 2, 3)", "1");
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shouldBe("delete_not_live_2(1, 2, 3)", "2");
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shouldBe("delete_not_live_3(1, 2, 3)", "3");
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shouldBe("delete_not_live_1(1)", "1");
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shouldBe("delete_not_live_2(1)", "undefined");
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shouldBe("delete_not_live_3(1)", "undefined");
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shouldBe("delete_not_live_1(1, 2, 3, 4, 5)", "1");
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shouldBe("delete_not_live_2(1, 2, 3, 4, 5)", "2");
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shouldBe("delete_not_live_3(1, 2, 3, 4, 5)", "3");
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function tear_off_delete_not_live_1(a, b, c)
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{
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return function()
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{
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delete arguments[0];
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return a;
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};
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}
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function tear_off_delete_not_live_2(a, b, c)
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{
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return function ()
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{
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delete arguments[1];
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return b;
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};
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}
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function tear_off_delete_not_live_3(a, b, c)
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{
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return function()
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{
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delete arguments[2];
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return c;
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};
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}
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shouldBe("tear_off_delete_not_live_1(1, 2, 3)()", "1");
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shouldBe("tear_off_delete_not_live_2(1, 2, 3)()", "2");
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shouldBe("tear_off_delete_not_live_3(1, 2, 3)()", "3");
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shouldBe("tear_off_delete_not_live_1(1)()", "1");
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shouldBe("tear_off_delete_not_live_2(1)()", "undefined");
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shouldBe("tear_off_delete_not_live_3(1)()", "undefined");
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shouldBe("tear_off_delete_not_live_1(1, 2, 3, 4, 5)()", "1");
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shouldBe("tear_off_delete_not_live_2(1, 2, 3, 4, 5)()", "2");
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shouldBe("tear_off_delete_not_live_3(1, 2, 3, 4, 5)()", "3");
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function access_after_delete_named_2(a, b, c)
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{
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delete arguments[0];
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return b;
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}
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function access_after_delete_named_3(a, b, c)
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{
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delete arguments[0];
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return c;
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}
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function access_after_delete_named_4(a, b, c)
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{
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delete arguments[0];
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return arguments[3];
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}
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shouldBe("access_after_delete_named_2(1, 2, 3)", "2");
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shouldBe("access_after_delete_named_3(1, 2, 3)", "3");
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shouldBe("access_after_delete_named_4(1, 2, 3)", "undefined");
|
|
|
|
shouldBe("access_after_delete_named_2(1)", "undefined");
|
|
shouldBe("access_after_delete_named_3(1)", "undefined");
|
|
shouldBe("access_after_delete_named_4(1)", "undefined");
|
|
|
|
shouldBe("access_after_delete_named_2(1, 2, 3, 4)", "2");
|
|
shouldBe("access_after_delete_named_3(1, 2, 3, 4)", "3");
|
|
shouldBe("access_after_delete_named_4(1, 2, 3, 4)", "4");
|
|
|
|
function access_after_delete_extra_1(a, b, c)
|
|
{
|
|
delete arguments[3];
|
|
return a;
|
|
}
|
|
|
|
function access_after_delete_extra_2(a, b, c)
|
|
{
|
|
delete arguments[3];
|
|
return b;
|
|
}
|
|
|
|
function access_after_delete_extra_3(a, b, c)
|
|
{
|
|
delete arguments[3];
|
|
return c;
|
|
}
|
|
|
|
function access_after_delete_extra_5(a, b, c)
|
|
{
|
|
delete arguments[3];
|
|
return arguments[4];
|
|
}
|
|
|
|
shouldBe("access_after_delete_extra_1(1, 2, 3)", "1");
|
|
shouldBe("access_after_delete_extra_2(1, 2, 3)", "2");
|
|
shouldBe("access_after_delete_extra_3(1, 2, 3)", "3");
|
|
shouldBe("access_after_delete_extra_5(1, 2, 3)", "undefined");
|
|
|
|
shouldBe("access_after_delete_extra_1(1)", "1");
|
|
shouldBe("access_after_delete_extra_2(1)", "undefined");
|
|
shouldBe("access_after_delete_extra_3(1)", "undefined");
|
|
shouldBe("access_after_delete_extra_5(1)", "undefined");
|
|
|
|
shouldBe("access_after_delete_extra_1(1, 2, 3, 4, 5)", "1");
|
|
shouldBe("access_after_delete_extra_2(1, 2, 3, 4, 5)", "2");
|
|
shouldBe("access_after_delete_extra_3(1, 2, 3, 4, 5)", "3");
|
|
shouldBe("access_after_delete_extra_5(1, 2, 3, 4, 5)", "5");
|
|
|
|
function argumentsParam(arguments)
|
|
{
|
|
return arguments;
|
|
}
|
|
shouldBeTrue("argumentsParam(true)");
|
|
|
|
var argumentsFunctionConstructorParam = new Function("arguments", "return arguments;");
|
|
shouldBeTrue("argumentsFunctionConstructorParam(true)");
|
|
|
|
function argumentsVarUndefined()
|
|
{
|
|
var arguments;
|
|
return String(arguments);
|
|
}
|
|
shouldBe("argumentsVarUndefined()", "'[object Arguments]'");
|
|
|
|
function argumentCalleeInException() {
|
|
try {
|
|
throw "";
|
|
} catch (e) {
|
|
return arguments.callee;
|
|
}
|
|
}
|
|
shouldBe("argumentCalleeInException()", "argumentCalleeInException")
|
|
|
|
function shadowedArgumentsApply(arguments) {
|
|
return function(a){ return a; }.apply(null, arguments);
|
|
}
|
|
|
|
function shadowedArgumentsLength(arguments) {
|
|
return arguments.length;
|
|
}
|
|
|
|
function shadowedArgumentsCallee(arguments) {
|
|
return arguments.callee;
|
|
}
|
|
|
|
function shadowedArgumentsIndex(arguments) {
|
|
return arguments[0]
|
|
}
|
|
|
|
shouldBeTrue("shadowedArgumentsApply([true])");
|
|
shouldBe("shadowedArgumentsLength([])", '0');
|
|
shouldThrow("shadowedArgumentsLength()");
|
|
shouldBeUndefined("shadowedArgumentsCallee([])");
|
|
shouldBeTrue("shadowedArgumentsIndex([true])");
|
|
|
|
descriptor = (function(){ return Object.getOwnPropertyDescriptor(arguments, 1); })("zero","one","two");
|
|
shouldBe("descriptor.value", '"one"');
|
|
shouldBe("descriptor.writable", 'true');
|
|
shouldBe("descriptor.enumerable", 'true');
|
|
shouldBe("descriptor.configurable", 'true');
|
|
|
|
// Test cases for [[DefineOwnProperty]] applied to the arguments object.
|
|
(function(a0,a1,a2,a3){
|
|
Object.defineProperties(arguments, {
|
|
1: { get: function(){ return 201; } },
|
|
2: { value: 202, writable: false },
|
|
3: { writable: false },
|
|
});
|
|
|
|
// Test a0 is a live mapped argument.
|
|
shouldBeTrue(String( a0 === 100 ));
|
|
shouldBeTrue(String( arguments[0] === 100 ));
|
|
a0 = 300;
|
|
shouldBeTrue(String( a0 === 300 ));
|
|
shouldBeTrue(String( arguments[0] === 300 ));
|
|
arguments[0] = 400;
|
|
shouldBeTrue(String( a0 === 400 ));
|
|
shouldBeTrue(String( arguments[0] === 400 ));
|
|
|
|
// When a1 is redefined as an accessor, it is no longer live.
|
|
shouldBeTrue(String( a1 === 101 ));
|
|
shouldBeTrue(String( arguments[1] === 201 ));
|
|
a1 = 301;
|
|
shouldBeTrue(String( a1 === 301 ));
|
|
shouldBeTrue(String( arguments[1] === 201 ));
|
|
arguments[1] = 401;
|
|
shouldBeTrue(String( a1 === 301 ));
|
|
shouldBeTrue(String( arguments[1] === 201 ));
|
|
|
|
// When a2 is made read-only the value is set, but it is no longer live.
|
|
// (per 10.6 [[DefineOwnProperty]] 5.b.ii.1)
|
|
shouldBeTrue(String( a2 === 202 ));
|
|
shouldBeTrue(String( arguments[2] === 202 ));
|
|
a2 = 302;
|
|
shouldBeTrue(String( a2 === 302 ));
|
|
shouldBeTrue(String( arguments[2] === 202 ));
|
|
arguments[2] = 402;
|
|
shouldBeTrue(String( a2 === 302 ));
|
|
shouldBeTrue(String( arguments[2] === 202 ));
|
|
|
|
// When a3 is made read-only, it is no longer live.
|
|
// (per 10.6 [[DefineOwnProperty]] 5.b.ii.1)
|
|
shouldBeTrue(String( a3 === 103 ));
|
|
shouldBeTrue(String( arguments[3] === 103 ));
|
|
a3 = 303;
|
|
shouldBeTrue(String( a3 === 303 ));
|
|
shouldBeTrue(String( arguments[3] === 103 ));
|
|
arguments[3] = 403;
|
|
shouldBeTrue(String( a3 === 303 ));
|
|
shouldBeTrue(String( arguments[3] === 103 ));
|
|
|
|
})(100,101,102,103);
|
|
|
|
// Test cases for [[DefineOwnProperty]] applied to the arguments object.
|
|
(function(arg){
|
|
shouldBeTrue(String( Object.getOwnPropertyDescriptor(arguments, 0).writable ));
|
|
shouldBeTrue(String( Object.getOwnPropertyDescriptor(arguments, 0).enumerable ));
|
|
Object.defineProperty(arguments, 0, { writable: false });
|
|
shouldBeFalse(String( Object.getOwnPropertyDescriptor(arguments, 0).writable ));
|
|
shouldBeTrue(String( Object.getOwnPropertyDescriptor(arguments, 0).enumerable ));
|
|
Object.defineProperty(arguments, 0, { enumerable: false });
|
|
shouldBeFalse(String( Object.getOwnPropertyDescriptor(arguments, 0).writable ));
|
|
shouldBeFalse(String( Object.getOwnPropertyDescriptor(arguments, 0).enumerable ));
|
|
|
|
delete arguments[1];
|
|
shouldBeUndefined(String( Object.getOwnPropertyDescriptor(arguments, 1) ));
|
|
Object.defineProperty(arguments, 1, { writable: true });
|
|
shouldBeTrue(String( Object.getOwnPropertyDescriptor(arguments, 1).writable ));
|
|
shouldBeFalse(String( Object.getOwnPropertyDescriptor(arguments, 1).enumerable ));
|
|
})(0,1);
|