ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +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 | // Tests loading of properties across eval calls. |
| 29 | |
| 30 | var x = 1; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 31 | function global_function() { return 'global'; } |
| 32 | const const_uninitialized; |
| 33 | const const_initialized = function() { return "const_global"; } |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 34 | |
| 35 | // Test loading across an eval call that does not shadow variables. |
| 36 | function testNoShadowing() { |
| 37 | var y = 2; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 38 | function local_function() { return 'local'; } |
| 39 | const local_const_uninitialized; |
| 40 | const local_const_initialized = function() { return "const_local"; } |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 41 | function f() { |
| 42 | eval('1'); |
| 43 | assertEquals(1, x); |
vegorov@chromium.org | dff694e | 2010-05-17 09:10:26 +0000 | [diff] [blame] | 44 | try { typeof(asdf); } catch(e) { assertUnreachable(); } |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 45 | assertEquals(2, y); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 46 | assertEquals('global', global_function()); |
| 47 | assertEquals('local', local_function()); |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 48 | var exception = false; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 49 | try { |
| 50 | const_uninitialized(); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 51 | } catch(e) { |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 52 | exception = true; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 53 | } |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 54 | assertTrue(exception); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 55 | assertEquals('const_global', const_initialized()); |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 56 | exception = false; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 57 | try { |
| 58 | local_const_uninitialized(); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 59 | } catch(e) { |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 60 | exception = true; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 61 | } |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 62 | assertTrue(exception); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 63 | assertEquals('const_local', local_const_initialized()); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 64 | function g() { |
| 65 | assertEquals(1, x); |
vegorov@chromium.org | dff694e | 2010-05-17 09:10:26 +0000 | [diff] [blame] | 66 | try { typeof(asdf); } catch(e) { assertUnreachable(); } |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 67 | assertEquals(2, y); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 68 | assertEquals('global', global_function()); |
| 69 | assertEquals('local', local_function()); |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 70 | var exception = false; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 71 | try { |
| 72 | const_uninitialized(); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 73 | } catch(e) { |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 74 | exception = true; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 75 | } |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 76 | assertTrue(exception); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 77 | assertEquals('const_global', const_initialized()); |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 78 | exception = false; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 79 | try { |
| 80 | local_const_uninitialized(); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 81 | } catch(e) { |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 82 | exception = true; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 83 | } |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 84 | assertTrue(exception); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 85 | assertEquals('const_local', local_const_initialized()); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 86 | } |
| 87 | g(); |
| 88 | } |
| 89 | f(); |
| 90 | } |
| 91 | |
| 92 | testNoShadowing(); |
| 93 | |
| 94 | // Test loading across eval calls that do not shadow variables. |
| 95 | function testNoShadowing2() { |
| 96 | var y = 2; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 97 | function local_function() { return 'local'; } |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 98 | eval('1'); |
| 99 | function f() { |
| 100 | eval('1'); |
| 101 | assertEquals(1, x); |
| 102 | assertEquals(2, y); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 103 | assertEquals('global', global_function()); |
| 104 | assertEquals('local', local_function()); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 105 | function g() { |
| 106 | assertEquals(1, x); |
| 107 | assertEquals(2, y); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 108 | assertEquals('global', global_function()); |
| 109 | assertEquals('local', local_function()); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 110 | } |
| 111 | g(); |
| 112 | } |
| 113 | f(); |
| 114 | } |
| 115 | |
| 116 | testNoShadowing2(); |
| 117 | |
| 118 | // Test loading across an eval call that shadows variables. |
| 119 | function testShadowing() { |
| 120 | var y = 2; |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 121 | function local_function() { return 'local'; } |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 122 | function f() { |
| 123 | eval('var x = 3; var y = 4;'); |
| 124 | assertEquals(3, x); |
| 125 | assertEquals(4, y); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 126 | eval('function local_function() { return "new_local"; }'); |
| 127 | eval('function global_function() { return "new_nonglobal"; }'); |
| 128 | assertEquals('new_nonglobal', global_function()); |
| 129 | assertEquals('new_local', local_function()); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 130 | function g() { |
| 131 | assertEquals(3, x); |
| 132 | assertEquals(4, y); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 133 | assertEquals('new_nonglobal', global_function()); |
| 134 | assertEquals('new_local', local_function()); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 135 | } |
| 136 | g(); |
| 137 | } |
| 138 | f(); |
| 139 | } |
| 140 | |
| 141 | testShadowing(); |