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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
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/debug/Object-defineProperty-12.js')
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diff --git a/js/src/jit-test/tests/debug/Object-defineProperty-12.js b/js/src/jit-test/tests/debug/Object-defineProperty-12.js
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+++ b/js/src/jit-test/tests/debug/Object-defineProperty-12.js
@@ -0,0 +1,18 @@
+// obj.defineProperty redefining an existing property leaves unspecified attributes unchanged.
+
+var g = newGlobal();
+g.p = 1;
+var dbg = new Debugger;
+var gw = dbg.addDebuggee(g);
+
+gw.defineProperty("p", {value: 2});
+assertEq(g.p, 2);
+
+var desc = Object.getOwnPropertyDescriptor(g, "p");
+assertEq(desc.configurable, true);
+assertEq(desc.enumerable, true);
+assertEq(desc.writable, true);
+assertEq(desc.value, 2);
+
+g.p = 3;
+assertEq(g.p, 3);