diff options
Diffstat (limited to 'js/src/tests/ecma_5/extensions/destructuring-__proto__-shorthand-assignment.js')
-rw-r--r-- | js/src/tests/ecma_5/extensions/destructuring-__proto__-shorthand-assignment.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/ecma_5/extensions/destructuring-__proto__-shorthand-assignment.js b/js/src/tests/ecma_5/extensions/destructuring-__proto__-shorthand-assignment.js new file mode 100644 index 000000000..0ab26465f --- /dev/null +++ b/js/src/tests/ecma_5/extensions/destructuring-__proto__-shorthand-assignment.js @@ -0,0 +1,49 @@ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + +var gTestfile = 'destructuring-__proto__-shorthand-assignment.js'; +var BUGNUMBER = 963641; +var summary = "{ __proto__ } should work as a destructuring assignment pattern"; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +function objectWithProtoProperty(v) +{ + var obj = {}; + return Object.defineProperty(obj, "__proto__", + { + enumerable: true, + configurable: true, + writable: true, + value: v + }); +} + +var { __proto__ } = objectWithProtoProperty(42); +assertEq(__proto__, 42); + +({ __proto__ } = objectWithProtoProperty(17)); +assertEq(__proto__, 17); + +function nested() +{ + var { __proto__ } = objectWithProtoProperty("fnord"); + assertEq(__proto__, "fnord"); + + ({ __proto__ } = objectWithProtoProperty(undefined)); + assertEq(__proto__, undefined); +} +nested(); + +/******************************************************************************/ + +if (typeof reportCompare === "function") + reportCompare(true, true); + +print("Tests complete"); |