Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1 | // Copyright 2008 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | // Flags: --allow-natives-syntax |
| 29 | |
| 30 | // Test for http://code.google.com/p/v8/issues/detail?id=334 |
| 31 | |
| 32 | var READ_ONLY = 1; |
| 33 | var DONT_ENUM = 2; |
| 34 | var DONT_DELETE = 4; |
| 35 | |
| 36 | function func1(){} |
| 37 | function func2(){} |
| 38 | |
| 39 | var object = {__proto__:{}}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 40 | %AddNamedProperty(object, "foo", func1, DONT_ENUM | DONT_DELETE); |
| 41 | %AddNamedProperty(object, "bar", func1, DONT_ENUM | READ_ONLY); |
| 42 | %AddNamedProperty(object, "baz", func1, DONT_DELETE | READ_ONLY); |
| 43 | %AddNamedProperty(object.__proto__, "bif", func1, DONT_ENUM | DONT_DELETE); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 44 | object.bif = func2; |
| 45 | |
| 46 | function enumerable(obj) { |
| 47 | var res = []; |
| 48 | for (var i in obj) { |
| 49 | res.push(i); |
| 50 | } |
| 51 | res.sort(); |
| 52 | return res; |
| 53 | } |
| 54 | |
| 55 | // Sanity check: expected initial state. |
| 56 | assertArrayEquals(["baz", "bif"], enumerable(object), "enum0"); |
| 57 | assertFalse(delete object.foo, "delete foo"); |
| 58 | assertFalse(delete object.baz, "delete baz"); |
| 59 | assertEquals(func1, object.foo, "read foo"); |
| 60 | assertEquals(func1, object.bar, "read bar"); |
| 61 | assertEquals(func1, object.baz, "read baz"); |
| 62 | assertEquals(func2, object.bif, "read bif"); |
| 63 | |
| 64 | // Can't assign to READ_ONLY. |
| 65 | object.bar = "NO WAY"; |
| 66 | assertEquals(func1, object.bar, "read bar 2"); |
| 67 | assertArrayEquals(["baz", "bif"], enumerable(object), "enum1"); |
| 68 | |
| 69 | // Assignment to non-readonly. Assignment shouldn't change attributes! |
| 70 | object.foo = func2; |
| 71 | assertArrayEquals(["baz", "bif"], enumerable(object), "enum2"); |
| 72 | assertFalse(delete object.foo, "delete foo 2"); |
| 73 | |
| 74 | // Delete should erase attributes if value set again. |
| 75 | assertTrue(delete object.bar, "delete bar"); |
| 76 | assertFalse("bar" in object, "has bar"); |
| 77 | object.bar = func2; |
| 78 | assertTrue("bar" in object, "has bar 2"); |
| 79 | assertEquals(func2, object.bar, "read bar 3"); |
| 80 | |
| 81 | assertArrayEquals(["bar", "baz", "bif"], enumerable(object), "enum3"); |
| 82 | |
| 83 | // Unshadowing a prototype property exposes its attributes. |
| 84 | assertTrue(delete object.bif, "delete bif"); |
| 85 | assertArrayEquals(["bar", "baz"], enumerable(object), "enum4"); |
| 86 | assertEquals(func1, object.bif, "read bif 2"); |
| 87 | // Can't delete prototype property. |
| 88 | assertTrue(delete object.bif, "delete bif 2"); |
| 89 | assertArrayEquals(["bar", "baz"], enumerable(object), "enum5"); |
| 90 | assertEquals(func1, object.bif, "read bif3"); |