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Issue 977003004: ES6: Make function name configurable (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 9 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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73 assertSame(f.prototype.foo, 'final'); 73 assertSame(f.prototype.foo, 'final');
74 assertSame(new f().foo, 'final'); 74 assertSame(new f().foo, 'final');
75 assertSame(Object.getPrototypeOf(new f()), d); 75 assertSame(Object.getPrototypeOf(new f()), d);
76 assertSame(Object.getOwnPropertyDescriptor(f, 'prototype').value, d); 76 assertSame(Object.getOwnPropertyDescriptor(f, 'prototype').value, d);
77 assertFalse(Object.getOwnPropertyDescriptor(f, 'prototype').writable); 77 assertFalse(Object.getOwnPropertyDescriptor(f, 'prototype').writable);
78 78
79 // Verify that non-writability of redefined 'prototype' is respected. 79 // Verify that non-writability of redefined 'prototype' is respected.
80 assertThrows("'use strict'; f.prototype = {}"); 80 assertThrows("'use strict'; f.prototype = {}");
81 assertThrows("Object.defineProperty(f, 'prototype', { value: {} })"); 81 assertThrows("Object.defineProperty(f, 'prototype', { value: {} })");
82 82
83 // Verify that non-writability of other properties is respected. 83 // Verify that non-configurability of other properties is respected, but
84 assertThrows("Object.defineProperty(f, 'name', { value: {} })"); 84 // non-writability is ignored by Object.defineProperty().
85 Object.defineProperty(f, 'name', { value: {} });
85 assertThrows("Object.defineProperty(f, 'length', { value: {} })"); 86 assertThrows("Object.defineProperty(f, 'length', { value: {} })");
86 assertThrows("Object.defineProperty(f, 'caller', { value: {} })"); 87 assertThrows("Object.defineProperty(f, 'caller', { value: {} })");
87 assertThrows("Object.defineProperty(f, 'arguments', { value: {} })"); 88 assertThrows("Object.defineProperty(f, 'arguments', { value: {} })");
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