Index: test/mjsunit/harmony/proxies-symbols.js |
diff --git a/test/mjsunit/harmony/proxies-symbols.js b/test/mjsunit/harmony/proxies-symbols.js |
new file mode 100644 |
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+++ b/test/mjsunit/harmony/proxies-symbols.js |
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+// Copyright 2013 the V8 project authors. All rights reserved. |
+// Redistribution and use in source and binary forms, with or without |
+// modification, are permitted provided that the following conditions are |
+// met: |
+// |
+// * Redistributions of source code must retain the above copyright |
+// notice, this list of conditions and the following disclaimer. |
+// * Redistributions in binary form must reproduce the above |
+// copyright notice, this list of conditions and the following |
+// disclaimer in the documentation and/or other materials provided |
+// with the distribution. |
+// * Neither the name of Google Inc. nor the names of its |
+// contributors may be used to endorse or promote products derived |
+// from this software without specific prior written permission. |
+// |
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+ |
+// Flags: --harmony-proxies --harmony-symbols |
+ |
+ |
+// Helper. |
+ |
+function TestWithProxies(test, x, y, z) { |
+ test(Proxy.create, x, y, z) |
+ test(function(h) {return Proxy.createFunction(h, function() {})}, x, y, z) |
+} |
+ |
+ |
+// No symbols should leak to proxy traps. |
+ |
+function TestNoSymbolsToTrap(handler) { |
+ TestWithProxies(TestNoSymbolsToTrap2, handler) |
+} |
+ |
+function TestNoSymbolsToTrap2(create, handler) { |
+ var p = create(handler) |
+ var o = Object.create(p) |
+ var symbol = Symbol("secret") |
+ |
+ assertFalse(symbol in p) |
+ assertFalse(symbol in o) |
+ assertEquals(undefined, p[symbol]) |
+ assertEquals(undefined, o[symbol]) |
+ assertEquals(47, p[symbol] = 47) |
+ assertEquals(47, o[symbol] = 47) |
+ assertFalse(delete p[symbol]) |
+ assertTrue(delete o[symbol]) |
+ assertTrue(delete o[symbol]) |
+ assertFalse({}.hasOwnProperty.call(p, symbol)) |
+ assertFalse({}.hasOwnProperty.call(o, symbol)) |
+ assertEquals(undefined, Object.getOwnPropertyDescriptor(p, symbol)) |
+ assertEquals(undefined, Object.getOwnPropertyDescriptor(o, symbol)) |
+} |
+ |
+ |
+TestNoSymbolsToTrap({ |
+ has: assertUnreachable, |
+ hasOwn: assertUnreachable, |
+ get: assertUnreachable, |
+ set: assertUnreachable, |
+ delete: assertUnreachable, |
+ getPropertyDescriptor: assertUnreachable, |
+ getOwnPropertyDescriptor: assertUnreachable, |
+ defineProperty: assertUnreachable |
+}) |
+ |
+ |
+// All symbols returned from proxy traps should be filtered. |
+ |
+function TestNoSymbolsFromTrap(handler) { |
+ TestWithProxies(TestNoSymbolsFromTrap2, handler) |
+} |
+ |
+function TestNoSymbolsFromTrap2(create, handler) { |
+ var p = create(handler) |
+ var o = Object.create(p) |
+ |
+ assertEquals(0, Object.keys(p).length) |
+ assertEquals(0, Object.keys(o).length) |
+ assertEquals(0, Object.getOwnPropertyNames(p).length) |
+ assertEquals(0, Object.getOwnPropertyNames(o).length) |
+ for (var n in p) assertUnreachable() |
+ for (var n in o) assertUnreachable() |
+} |
+ |
+ |
+function MakeSymbolArray() { |
+ return [Symbol(), Symbol("a")] |
+} |
+ |
+TestNoSymbolsFromTrap({ |
+ enumerate: MakeSymbolArray, |
+ keys: MakeSymbolArray, |
+ getPropertyNames: MakeSymbolArray, |
+ getOwnPropertyNames: MakeSymbolArray |
+}) |