diff options
Diffstat (limited to 'js/src/tests/ecma_6/Function/bound-length-and-name.js')
-rw-r--r-- | js/src/tests/ecma_6/Function/bound-length-and-name.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Function/bound-length-and-name.js b/js/src/tests/ecma_6/Function/bound-length-and-name.js new file mode 100644 index 000000000..ef2f1ffbc --- /dev/null +++ b/js/src/tests/ecma_6/Function/bound-length-and-name.js @@ -0,0 +1,40 @@ +var proxy = new Proxy(function() {}, { + getOwnPropertyDescriptor(target, name) { + assertEq(name, "length"); + return {value: 3, configurable: true}; + }, + + get(target, name) { + if (name == "length") + return 3; + if (name == "name") + return "hello world"; + assertEq(false, true); + } +}) + +var bound = Function.prototype.bind.call(proxy); +assertEq(bound.name, "bound hello world"); +assertEq(bound.length, 3); + +var fun = function() {}; +Object.defineProperty(fun, "name", {value: 1337}); +Object.defineProperty(fun, "length", {value: "15"}); +bound = fun.bind(); +assertEq(bound.name, "bound "); +assertEq(bound.length, 0); + +Object.defineProperty(fun, "length", {value: Number.MAX_SAFE_INTEGER}); +bound = fun.bind(); +assertEq(bound.length, Number.MAX_SAFE_INTEGER); + +Object.defineProperty(fun, "length", {value: -100}); +bound = fun.bind(); +assertEq(bound.length, 0); + +fun = function f(a, ...b) { }; +assertEq(fun.length, 1); +bound = fun.bind(); +assertEq(bound.length, 1); + +reportCompare(0, 0, 'ok'); |