Index: test/mjsunit/harmony/proxies-with-unscopables.js |
diff --git a/test/mjsunit/harmony/proxies-with-unscopables.js b/test/mjsunit/harmony/proxies-with-unscopables.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..7da570fb252cfe6e4753530154da6011bd1e248f |
--- /dev/null |
+++ b/test/mjsunit/harmony/proxies-with-unscopables.js |
@@ -0,0 +1,93 @@ |
+// Copyright 2014 the V8 project authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+// Flags: --harmony-unscopables |
+// Flags: --harmony-proxies |
rossberg
2014/07/17 15:12:13
Hm, shouldn't there also be some tests that actual
arv (Not doing code reviews)
2014/07/17 23:34:36
Like I said in a comment on the CL. Proxies cannot
|
+ |
+ |
+(function TestBasics() { |
+ var log = []; |
+ |
+ var proxy = Proxy.create({ |
+ getPropertyDescriptor: function(key) { |
+ log.push(key); |
+ if (key === 'x') { |
+ return { |
+ value: 1, |
+ configurable: true |
+ }; |
+ } |
+ return undefined; |
+ } |
+ }); |
+ |
+ var x = 'local'; |
+ |
+ with (proxy) { |
+ assertEquals(1, x); |
+ } |
+ |
+ // One 'x' for HasBinding and two for GetBindingValue |
+ assertEquals(['assertEquals', 'x', 'x', 'x'], log); |
+})(); |
+ |
+ |
+(function TestInconsistent() { |
+ var log = []; |
+ var calls = 0; |
+ |
+ var proxy = Proxy.create({ |
+ getPropertyDescriptor: function(key) { |
+ log.push(key); |
+ if (key === 'x' && calls < 2) { |
+ calls++; |
+ return { |
+ value: 1, |
+ configurable: true |
+ }; |
+ } |
+ return undefined; |
+ } |
+ }); |
+ |
+ var x = 'local'; |
+ |
+ with (proxy) { |
+ assertEquals(void 0, x); |
+ } |
+ |
+ // One 'x' for HasBinding and two for GetBindingValue |
+ assertEquals(['assertEquals', 'x', 'x', 'x'], log); |
+})(); |
+ |
+ |
+(function TestInconsistent2() { |
+ var log = []; |
+ var calls = 0; |
+ |
+ var proxy = Proxy.create({ |
+ getPropertyDescriptor: function(key) { |
+ log.push(key); |
+ if (key === 'x' && calls < 1) { |
+ calls++; |
+ return { |
+ value: 1, |
+ configurable: true |
+ }; |
+ } |
+ return undefined; |
+ } |
+ }); |
+ |
+ var x = 'local'; |
+ |
+ with (proxy) { |
+ assertEquals(void 0, x); |
+ } |
+ |
+ // One 'x' for HasBinding and one for GetBindingValue, the second one from |
+ // previous test is not called since the proxy reported that there is no 'x' |
+ // property when we did GetBindingValue. |
+ assertEquals(['assertEquals', 'x', 'x'], log); |
+})(); |