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Diffstat (limited to 'js/src/tests/test262/built-ins/Object/prototype/toString/proxy-array.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/prototype/toString/proxy-array.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/prototype/toString/proxy-array.js b/js/src/tests/test262/built-ins/Object/prototype/toString/proxy-array.js new file mode 100644 index 0000000000..774c1c4735 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/prototype/toString/proxy-array.js @@ -0,0 +1,41 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-object.prototype.tostring +description: Proxy of an array is treated as an array +info: | + [...] + 3. Let O be ToObject(this value). + 4. Let isArray be ? IsArray(O). + 5. If isArray is true, let builtinTag be "Array". + [...] + + 7.2.2 IsArray + + [...] + 3. If argument is a Proxy exotic object, then + a. If the value of the [[ProxyHandler]] internal slot of argument is null, + throw a TypeError exception. + b. Let target be the value of the [[ProxyTarget]] internal slot of + argument. + c. Return ? IsArray(target). +features: [Proxy] +---*/ + +var objectProxy = new Proxy({}, {}); +var arrayProxy = new Proxy([], {}); +var arrayProxyProxy = new Proxy(arrayProxy, {}); + +assert.sameValue( + Object.prototype.toString.call(objectProxy), '[object Object]' +); +assert.sameValue( + Object.prototype.toString.call(arrayProxy), '[object Array]', 'array proxy' +); +assert.sameValue( + Object.prototype.toString.call(arrayProxyProxy), + '[object Array]', + 'proxy for array proxy' +); + +reportCompare(0, 0); |