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-rw-r--r--js/src/jit-test/tests/self-hosting/GetStringDataProperty.js23
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/self-hosting/GetStringDataProperty.js b/js/src/jit-test/tests/self-hosting/GetStringDataProperty.js
new file mode 100644
index 0000000000..3eb2a9be7e
--- /dev/null
+++ b/js/src/jit-test/tests/self-hosting/GetStringDataProperty.js
@@ -0,0 +1,23 @@
+// Bug 1267364 - GetStringDataProperty should return undefined when the object
+// is non-native.
+
+var GetStringDataProperty = getSelfHostedValue("GetStringDataProperty");
+
+function testProxy() {
+ var obj = new Proxy({"foo": "10"}, {});
+ var v = GetStringDataProperty(obj, "foo");
+ assertEq(v, undefined);
+}
+
+function testMaybeUnboxed() {
+ // Use JSON.parse to create unboxed object if availbale.
+ var obj = JSON.parse("[" + '{"foo": "10"},'.repeat(100) +"{}]");
+
+ // GetStringDataProperty may return "10" or undefined, depending on whether
+ // `obj` is unboxed or not
+ var v = GetStringDataProperty(obj[0], "foo");
+ assertEq(v == undefined || v == "10", true);
+}
+
+testProxy();
+testMaybeUnboxed();