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author | Moonchild <git-repo@palemoon.org> | 2020-02-26 02:38:18 +0100 |
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committer | GitHub <noreply@github.com> | 2020-02-26 02:38:18 +0100 |
commit | cce2bc96771613f51659e9209181e0d54a3fee96 (patch) | |
tree | cbeec2384bd44bab37cd787215ec830fa8b356cd /js/src/jit-test/tests/basic/unboxed-object-set-property.js | |
parent | 35c26c6c19e66fabcb230fb074e76e243df04d2b (diff) | |
parent | ecdeefc4dd5624e824e696ac1c492c0b103f4acd (diff) | |
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Merge pull request #1461 from MoonchildProductions/ubbo
Back out unboxed array/object removals
Diffstat (limited to 'js/src/jit-test/tests/basic/unboxed-object-set-property.js')
-rw-r--r-- | js/src/jit-test/tests/basic/unboxed-object-set-property.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/unboxed-object-set-property.js b/js/src/jit-test/tests/basic/unboxed-object-set-property.js new file mode 100644 index 000000000..fdcfcf6b2 --- /dev/null +++ b/js/src/jit-test/tests/basic/unboxed-object-set-property.js @@ -0,0 +1,31 @@ + +// Use the correct receiver when non-native objects are prototypes of other objects. + +function Thing(a, b) { + this.a = a; + this.b = b; +} + +function foo() { + var array = []; + for (var i = 0; i < 10000; i++) + array.push(new Thing(i, i + 1)); + + var proto = new Thing(1, 2); + var obj = Object.create(proto); + + Object.defineProperty(Thing.prototype, "c", {set:function() { this.d = 0; }}); + obj.c = 3; + assertEq(obj.c, undefined); + assertEq(obj.d, 0); + assertEq(obj.hasOwnProperty("d"), true); + assertEq(proto.d, undefined); + assertEq(proto.hasOwnProperty("d"), false); + + obj.a = 3; + assertEq(obj.a, 3); + assertEq(proto.a, 1); + assertEq(obj.hasOwnProperty("a"), true); +} + +foo(); |