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 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 28 | // Flags: --allow-natives-syntax --es52_globals |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 29 | |
| 30 | // Make sure that we can introduce global variables (using |
| 31 | // both var and const) that shadow even READ_ONLY variables |
| 32 | // in the prototype chain. |
| 33 | const NONE = 0; |
| 34 | const READ_ONLY = 1; |
| 35 | |
| 36 | // Use DeclareGlobal... |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 37 | %AddNamedProperty(this.__proto__, "a", 1234, NONE); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 38 | assertEquals(1234, a); |
| 39 | eval("var a = 5678;"); |
| 40 | assertEquals(5678, a); |
| 41 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 42 | %AddNamedProperty(this.__proto__, "b", 1234, NONE); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 43 | assertEquals(1234, b); |
| 44 | eval("const b = 5678;"); |
| 45 | assertEquals(5678, b); |
| 46 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 47 | %AddNamedProperty(this.__proto__, "c", 1234, READ_ONLY); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 48 | assertEquals(1234, c); |
| 49 | eval("var c = 5678;"); |
| 50 | assertEquals(5678, c); |
| 51 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 52 | %AddNamedProperty(this.__proto__, "d", 1234, READ_ONLY); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 53 | assertEquals(1234, d); |
| 54 | eval("const d = 5678;"); |
| 55 | assertEquals(5678, d); |
| 56 | |
| 57 | // Use DeclareContextSlot... |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 58 | %AddNamedProperty(this.__proto__, "x", 1234, NONE); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 59 | assertEquals(1234, x); |
| 60 | eval("with({}) { var x = 5678; }"); |
| 61 | assertEquals(5678, x); |
| 62 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 63 | %AddNamedProperty(this.__proto__, "y", 1234, NONE); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 64 | assertEquals(1234, y); |
| 65 | eval("with({}) { const y = 5678; }"); |
| 66 | assertEquals(5678, y); |
| 67 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 68 | %AddNamedProperty(this.__proto__, "z", 1234, READ_ONLY); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 69 | assertEquals(1234, z); |
| 70 | eval("with({}) { var z = 5678; }"); |
| 71 | assertEquals(5678, z); |
| 72 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 73 | %AddNamedProperty(this.__proto__, "w", 1234, READ_ONLY); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 74 | assertEquals(1234, w); |
| 75 | eval("with({}) { const w = 5678; }"); |
| 76 | assertEquals(5678, w); |