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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/basic/unboxed-object-set-property.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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.js31
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();