1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/function-apply-proxy.js b/js/src/jit-test/tests/basic/function-apply-proxy.js
new file mode 100644
index 0000000000..9a00fdb3de
--- /dev/null
+++ b/js/src/jit-test/tests/basic/function-apply-proxy.js
@@ -0,0 +1,26 @@
+// fun.apply(null, proxy) should not invoke the proxy's Has trap.
+
+var proxy = new Proxy({}, {
+    get: function (target, name, proxy) {
+        switch (name) {
+          case "length":
+            return 2;
+          case "0":
+            return 15;
+          case "1":
+	    return undefined;
+          default:
+            assertEq(false, true);
+        }
+    },
+    has: function (target, name) {
+        assertEq(false, true);
+    }
+});
+function foo() {
+    assertEq(arguments.length, 2);
+    assertEq(arguments[0], 15);
+    assertEq(1 in arguments, true);
+    assertEq(arguments[1], undefined);
+}
+foo.apply(null, proxy);