diff options
Diffstat (limited to 'js/src/jit-test/tests/cacheir/shape-teleporting-3.js')
-rw-r--r-- | js/src/jit-test/tests/cacheir/shape-teleporting-3.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/shape-teleporting-3.js b/js/src/jit-test/tests/cacheir/shape-teleporting-3.js new file mode 100644 index 0000000000..18349056c3 --- /dev/null +++ b/js/src/jit-test/tests/cacheir/shape-teleporting-3.js @@ -0,0 +1,32 @@ +function test1() { + var o1 = {x: 1, y: 2, z: 3}; + var o2 = Object.create(o1); + var o3 = Object.create(o2); + o2.x = 2; // Ensure teleporting is invalidated for o1. + for (var i = 0; i < 30; i++) { + assertEq(o3.y, i > 20 ? -1 : 2); + if (i === 20) { + // Add a (second) shadowing property to o2. The property access + // above must detect this properly. + o2.y = -1; + } + } +} +test1(); + +function test2() { + var o1 = {x: 1, y: 2, z: 3}; + var o2 = Object.create(o1); + var o3 = Object.create(o2); + var o4 = Object.create(o3); + o2.x = 1; + o2.a = 2; + o3.a = 2; + for (var i = 0; i < 30; i++) { + assertEq(o4.y, i > 20 ? undefined : 2); + if (i === 20) { + o2.__proto__ = null; + } + } +} +test2(); |