1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/apply/trap-is-undefined-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/apply/trap-is-undefined-target-is-proxy.js
new file mode 100644
index 0000000000..bd34cb9a8d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/apply/trap-is-undefined-target-is-proxy.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-proxy-object-internal-methods-and-internal-slots-call-thisargument-argumentslist
+description: >
+  If "apply" trap is null or undefined, [[Call]] is properly
+  forwarded to [[ProxyTarget]] (which is also a Proxy object).
+info: |
+  [[Call]] ( thisArgument, argumentsList )
+
+  [...]
+  4. Let target be O.[[ProxyTarget]].
+  5. Let trap be ? GetMethod(handler, "apply").
+  6. If trap is undefined, then
+    a. Return ? Call(target, thisArgument, argumentsList).
+features: [generators, Proxy, Reflect]
+includes: [compareArray.js]
+---*/
+
+var sum = function* (arg) {
+  yield this.foo;
+  yield arg;
+};
+
+var sumTarget = new Proxy(sum, {});
+var sumProxy = new Proxy(sumTarget, {
+  apply: undefined,
+});
+
+var gen = Reflect.apply(sumProxy, {foo: 10}, [1]);
+
+assert.compareArray(Array.from(gen), [10, 1]);
+
+reportCompare(0, 0);