| description( |
| 'Tests whether eval() works inside statements that read and modify a value.' |
| ); |
| |
| function multTest() |
| { |
| var x = 1; |
| x *= eval('2'); |
| return x == 2; |
| } |
| |
| function divTest() |
| { |
| var x = 2; |
| x /= eval('2'); |
| return x == 1; |
| } |
| |
| function addTest() |
| { |
| var x = 0; |
| x += eval('1'); |
| return x == 1; |
| } |
| |
| function subTest() |
| { |
| var x = 0; |
| x -= eval('1'); |
| return x == -1; |
| } |
| |
| function lshiftTest() |
| { |
| var x = 1; |
| x <<= eval('1'); |
| return x == 2; |
| } |
| |
| function rshiftTest() |
| { |
| var x = 1; |
| x >>= eval('1'); |
| return x == 0; |
| } |
| |
| function urshiftTest() |
| { |
| var x = 1; |
| x >>>= eval('1'); |
| return x == 0; |
| } |
| |
| function andTest() |
| { |
| var x = 1; |
| x &= eval('1'); |
| return x == 1; |
| } |
| |
| function xorTest() |
| { |
| var x = 0; |
| x ^= eval('1'); |
| return x == 1; |
| } |
| |
| function orTest() |
| { |
| var x = 0; |
| x |= eval('1'); |
| return x == 1; |
| } |
| |
| function modTest() |
| { |
| var x = 4; |
| x %= eval('3'); |
| return x == 1; |
| } |
| |
| function preIncTest() |
| { |
| var x = { value: 0 }; |
| ++eval('x').value; |
| return x.value == 1; |
| } |
| |
| function preDecTest() |
| { |
| var x = { value: 0 }; |
| --eval('x').value; |
| return x.value == -1; |
| } |
| |
| function postIncTest() |
| { |
| var x = { value: 0 }; |
| eval('x').value++; |
| return x.value == 1; |
| } |
| |
| function postDecTest() |
| { |
| var x = { value: 0 }; |
| eval('x').value--; |
| return x.value == -1; |
| } |
| |
| shouldBeTrue('multTest();'); |
| shouldBeTrue('divTest();'); |
| shouldBeTrue('addTest();'); |
| shouldBeTrue('subTest();'); |
| shouldBeTrue('lshiftTest();'); |
| shouldBeTrue('rshiftTest();'); |
| shouldBeTrue('urshiftTest();'); |
| shouldBeTrue('andTest();'); |
| shouldBeTrue('xorTest();'); |
| shouldBeTrue('orTest();'); |
| shouldBeTrue('modTest();'); |
| |
| shouldBeTrue('preIncTest();'); |
| shouldBeTrue('preDecTest();'); |
| shouldBeTrue('postIncTest();'); |
| shouldBeTrue('postDecTest();'); |
| |
| successfullyParsed = true; |