diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Object/prototype/toString/symbol-tag-non-str-proxy-function.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/prototype/toString/symbol-tag-non-str-proxy-function.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/prototype/toString/symbol-tag-non-str-proxy-function.js b/js/src/tests/test262/built-ins/Object/prototype/toString/symbol-tag-non-str-proxy-function.js new file mode 100644 index 0000000000..9ede801177 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/prototype/toString/symbol-tag-non-str-proxy-function.js @@ -0,0 +1,57 @@ +// Copyright (C) 2016 Apple Inc. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-object.prototype.tostring +description: > + Non-string values of `Symbol.toStringTag` property are ignored. +info: | + ProxyCreate ( target, handler ) + + [...] + 7. If IsCallable(target) is true, then + a. Set P.[[Call]] as specified in 9.5.12. + + Object.prototype.toString ( ) + + [...] + 7. Else if O has a [[Call]] internal method, let builtinTag be "Function". + [...] + 15. Let tag be ? Get(O, @@toStringTag). + 16. If Type(tag) is not String, set tag to builtinTag. + 17. Return the string-concatenation of "[object ", tag, and "]". +features: [generators, async-functions, Proxy, Symbol.toStringTag] +---*/ + +var generatorProxy = new Proxy(function* () {}, {}); +var generatorProxyProxy = new Proxy(generatorProxy, {}); +delete generatorProxy.constructor.prototype[Symbol.toStringTag]; + +assert.sameValue( + Object.prototype.toString.call(generatorProxy), + '[object Function]', + 'generator function proxy without Symbol.toStringTag' +); +assert.sameValue( + Object.prototype.toString.call(generatorProxyProxy), + '[object Function]', + 'proxy for generator function proxy without Symbol.toStringTag' +); + +var asyncProxy = new Proxy(async function() {}, {}); +var asyncProxyProxy = new Proxy(asyncProxy, {}); +Object.defineProperty(asyncProxy.constructor.prototype, Symbol.toStringTag, { + value: undefined, +}); + +assert.sameValue( + Object.prototype.toString.call(asyncProxy), + '[object Function]', + 'async function proxy without Symbol.toStringTag' +); +assert.sameValue( + Object.prototype.toString.call(asyncProxyProxy), + '[object Function]', + 'proxy for async function proxy without Symbol.toStringTag' +); + +reportCompare(0, 0); |