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-rw-r--r--js/src/jit-test/tests/basic/bug703157.js36
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug703157.js b/js/src/jit-test/tests/basic/bug703157.js
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+++ b/js/src/jit-test/tests/basic/bug703157.js
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+// Define a test object
+var test = {x:1,y:2};
+
+// Put the object into dictionary mode by deleting
+// a property that was not the last one added.
+delete test.x;
+
+// Define a an accessor property with a setter that
+// itself calls Object.defineProperty
+Object.defineProperty(test, "foo", {
+ get: function() { return 1; },
+ set: function(v) {
+ Object.defineProperty(this, "foo", { value: v });
+ // Prints the correct object descriptor
+ assertEq(this.foo, 33);
+ },
+ configurable: true
+});
+
+// Add another property, so generateOwnShape does not replace the foo property.
+test.other = 0;
+
+// This line prints 1, as expected
+assertEq(test.foo, 1);
+
+// Now set the property. This calls the setter method above.
+// And the setter method prints the expected value and property descriptor.
+test.foo = 33;
+
+// Finally read the newly set value.
+assertEq(test.foo, 33);
+
+// Check that enumeration order is correct.
+var arr = [];
+for (var x in test) arr.push(x);
+assertEq("" + arr, "y,other");