Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1 | // Copyright 2009 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 | // Test references and assignments to global variables. |
| 29 | var g = 0; |
| 30 | |
| 31 | // Test compilation of a global variable store. |
| 32 | assertEquals(1, eval('g = 1')); |
| 33 | // Test that the store worked. |
| 34 | assertEquals(1, g); |
| 35 | |
| 36 | // Test that patching the IC in the compiled code works. |
| 37 | assertEquals(1, eval('g = 1')); |
| 38 | assertEquals(1, g); |
| 39 | assertEquals(1, eval('g = 1')); |
| 40 | assertEquals(1, g); |
| 41 | |
| 42 | // Test a second store. |
| 43 | assertEquals("2", eval('g = "2"')); |
| 44 | assertEquals("2", g); |
| 45 | |
| 46 | // Test a load. |
| 47 | assertEquals("2", eval('g')); |
| 48 | |
| 49 | // Test that patching the IC in the compiled code works. |
| 50 | assertEquals("2", eval('g')); |
| 51 | assertEquals("2", eval('g')); |
| 52 | |
| 53 | // Test a second load. |
| 54 | g = 3; |
| 55 | assertEquals(3, eval('g')); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 56 | |
| 57 | // Test postfix count operation |
| 58 | var t; |
| 59 | t = g++; |
| 60 | assertEquals(3, t); |
| 61 | assertEquals(4, g); |
| 62 | |
| 63 | code = "g--; 1"; |
| 64 | assertEquals(1, eval(code)); |
| 65 | assertEquals(3, g); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 66 | |
| 67 | // Test simple assignment to non-deletable and deletable globals. |
| 68 | var glo1 = 0; |
| 69 | function f1(x) { glo1 = x; } |
| 70 | f1(42); |
| 71 | assertEquals(glo1, 42); |
| 72 | |
| 73 | glo2 = 0; |
| 74 | function f2(x) { glo2 = x; } |
| 75 | f2(42); |
| 76 | assertEquals(42, glo2); |