| // Copyright (C) 2012-2013 Ecma International |
| // Copyright (C) 2016 André Bargull. All rights reserved. |
| // Copyright (C) 2020 Apple Inc. All rights reserved. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without modification, are permitted provided that the |
| // following conditions are met: |
| // 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following |
| // disclaimer. |
| // 2. 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. |
| // 3. Neither the name of the authors nor Ecma International may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE ECMA INTERNATIONAL "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 ECMA INTERNATIONAL 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. |
| |
| function shouldBe(actual, expected) { |
| if (actual !== expected) |
| throw new Error('bad value: ' + actual); |
| } |
| |
| var ThrowTypeError = Object.getOwnPropertyDescriptor(function() { |
| "use strict"; |
| return arguments; |
| }(), "callee").get; |
| |
| function testUnmappedArguments(args) |
| { |
| var unmappedCalleeDesc = Object.getOwnPropertyDescriptor(args, "callee"); |
| shouldBe(ThrowTypeError, unmappedCalleeDesc.get); |
| shouldBe(ThrowTypeError, unmappedCalleeDesc.set); |
| } |
| |
| function testMappedArguments(args) |
| { |
| var unmappedCalleeDesc = Object.getOwnPropertyDescriptor(args, "callee"); |
| shouldBe(unmappedCalleeDesc.value !== undefined, true); |
| } |
| |
| function argumentGenerator1(a = 0) { |
| return arguments; |
| } |
| testUnmappedArguments(argumentGenerator1()); |
| |
| function argumentGenerator2() { |
| function inner(a = 0) { |
| return arguments; |
| } |
| return inner(); |
| } |
| testUnmappedArguments(argumentGenerator2()); |
| |
| function argumentGenerator3() { |
| function inner(a = 0) { |
| return arguments; |
| } |
| return arguments; |
| } |
| testMappedArguments(argumentGenerator3()); |
| |
| function argumentGenerator4(a = 0) { |
| function inner() { |
| return arguments; |
| } |
| return inner(); |
| } |
| testMappedArguments(argumentGenerator4()); |
| |
| function argumentGenerator5() { |
| function inner() { |
| function inner2(a = 0) { |
| return arguments; |
| } |
| return inner2(); |
| } |
| return inner(); |
| } |
| testUnmappedArguments(argumentGenerator5()); |
| |
| function argumentGenerator6(...a) { |
| return arguments; |
| } |
| testUnmappedArguments(argumentGenerator6()); |
| |
| function argumentGenerator7() { |
| function inner(...a) { |
| return arguments; |
| } |
| return inner(); |
| } |
| testUnmappedArguments(argumentGenerator7()); |
| |
| function argumentGenerator8() { |
| function inner(...a) { |
| return arguments; |
| } |
| return arguments; |
| } |
| testMappedArguments(argumentGenerator8()); |
| |
| function argumentGenerator9(...a) { |
| function inner() { |
| return arguments; |
| } |
| return inner(); |
| } |
| testMappedArguments(argumentGenerator9()); |
| |
| function argumentGenerator10() { |
| function inner() { |
| function inner2(...a) { |
| return arguments; |
| } |
| return inner2(); |
| } |
| return inner(); |
| } |
| testUnmappedArguments(argumentGenerator10()); |