diff options
Diffstat (limited to 'js/src/tests/ecma_5/Function/arguments-caller-callee.js')
-rw-r--r-- | js/src/tests/ecma_5/Function/arguments-caller-callee.js | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/js/src/tests/ecma_5/Function/arguments-caller-callee.js b/js/src/tests/ecma_5/Function/arguments-caller-callee.js new file mode 100644 index 000000000..3eda27b49 --- /dev/null +++ b/js/src/tests/ecma_5/Function/arguments-caller-callee.js @@ -0,0 +1,66 @@ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + +var gTestfile = 'arguments-caller-callee.js'; +var BUGNUMBER = 514563; +var summary = "arguments.caller and arguments.callee are poison pills in ES5"; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +// behavior + +function expectTypeError(fun) +{ + try + { + fun(); + throw new Error("didn't throw"); + } + catch (e) + { + assertEq(e instanceof TypeError, true, + "expected TypeError calling function" + + ("name" in fun ? " " + fun.name : "") + ", instead got: " + e); + } +} + +function bar() { "use strict"; return arguments; } +expectTypeError(function barCaller() { bar().caller; }); +expectTypeError(function barCallee() { bar().callee; }); + +function baz() { return arguments; } +assertEq(baz().callee, baz); + + +// accessor identity + +function strictMode() { "use strict"; return arguments; } +var canonicalTTE = Object.getOwnPropertyDescriptor(strictMode(), "caller").get; + +var args = strictMode(); + +var argsCaller = Object.getOwnPropertyDescriptor(args, "caller"); +assertEq("get" in argsCaller, true); +assertEq("set" in argsCaller, true); +assertEq(argsCaller.get, canonicalTTE); +assertEq(argsCaller.set, canonicalTTE); + +var argsCallee = Object.getOwnPropertyDescriptor(args, "callee"); +assertEq("get" in argsCallee, true); +assertEq("set" in argsCallee, true); +assertEq(argsCallee.get, canonicalTTE); +assertEq(argsCallee.set, canonicalTTE); + + +/******************************************************************************/ + +if (typeof reportCompare === "function") + reportCompare(true, true); + +print("All tests passed!"); |