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-rw-r--r--js/src/jit-test/tests/proxy/testDirectProxyOnProtoWithForIn.js23
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyOnProtoWithForIn.js b/js/src/jit-test/tests/proxy/testDirectProxyOnProtoWithForIn.js
new file mode 100644
index 000000000..984e913c0
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyOnProtoWithForIn.js
@@ -0,0 +1,23 @@
+let proxy = new Proxy({
+ a: 1,
+ b: 2,
+ c: 3
+}, {
+ enumerate() {
+ // Should not be invoked.
+ assertEq(false, true);
+ },
+
+ ownKeys() {
+ return ['a', 'b'];
+ }
+});
+
+let object = Object.create(proxy);
+object.d = 4;
+
+let a = [];
+for (let x in object) {
+ a.push(x);
+}
+assertEq(a.toString(), "d,a,b");