1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxySet1.js b/js/src/jit-test/tests/proxy/testDirectProxySet1.js
new file mode 100644
index 0000000000..ddc1bc5ddc
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxySet1.js
@@ -0,0 +1,18 @@
+// Forward to the target if the trap is not defined
+var target = {
+    foo: 'bar'
+};
+for (let p of [new Proxy(target, {}), Proxy.revocable(target, {}).proxy]) {
+    // The sets from the first iteration will affect target, but it doesn't
+    // matter, since the effectiveness of the foo sets is still observable.
+    p.foo = 'baz';
+    assertEq(target.foo, 'baz');
+    p['foo'] = 'buz';
+    assertEq(target.foo, 'buz');
+
+    var sym = Symbol.for('quux');
+    p[sym] = sym;
+    assertEq(target[sym], sym);
+    // Reset for second iteration
+    target[sym] = undefined;
+}