Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Proxy/get/trap-is-null-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/get/trap-is-null-target-is-proxy.js
new file mode 100644
index 0000000000..6d9b09e759
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/get/trap-is-null-target-is-proxy.js
@@ -0,0 +1,50 @@
+// 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-get-p-receiver
+description: >
+  If "get" trap is null or undefined, [[Get]] call is properly
+  forwarded to [[ProxyTarget]] (which is also a Proxy object).
+info: |
+  [[Get]] ( P, Receiver )
+
+  [...]
+  5. Let target be O.[[ProxyTarget]].
+  6. Let trap be ? GetMethod(handler, "get").
+  7. If trap is undefined, then
+    a. Return ? target.[[Get]](P, Receiver).
+features: [Proxy, Symbol]
+---*/
+
+var stringTarget = new Proxy(new String("str"), {});
+var stringProxy = new Proxy(stringTarget, {
+  get: null,
+});
+
+assert.sameValue(stringProxy.length, 3);
+assert.sameValue(stringProxy[0], "s");
+assert.sameValue(stringProxy[4], undefined);
+
+
+var sym = Symbol();
+var target = new Proxy({}, {
+  get: function(_target, key) {
+    switch (key) {
+      case sym: return 1;
+      case "10": return 2;
+      case "foo": return 3;
+    }
+  },
+});
+
+var proxy = new Proxy(target, {
+  get: null,
+});
+
+assert.sameValue(proxy[sym], 1);
+assert.sameValue(proxy[10], 2);
+assert.sameValue(Object.create(proxy).foo, 3);
+assert.sameValue(proxy.bar, undefined);
+
+reportCompare(0, 0);