diff options
Diffstat (limited to 'js/src/tests/non262/Iterator/prototype/map/proxy-accesses.js')
-rw-r--r-- | js/src/tests/non262/Iterator/prototype/map/proxy-accesses.js | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/map/proxy-accesses.js b/js/src/tests/non262/Iterator/prototype/map/proxy-accesses.js new file mode 100644 index 0000000000..ba6dfd7ece --- /dev/null +++ b/js/src/tests/non262/Iterator/prototype/map/proxy-accesses.js @@ -0,0 +1,94 @@ +// |reftest| skip-if(!this.hasOwnProperty('Iterator')) +// + +/*--- +esid: pending +description: %Iterator.prototype%.map accesses specified properties only. +info: > +features: [iterator-helpers] +---*/ + +const handlerProxy = log => new Proxy({}, { + get: (target, key, receiver) => (...args) => { + const target = args[0]; + const item = Reflect[key](...args); + + log.push(`${key}: ${args.filter(x => typeof x != 'object').map(x => x.toString())}`); + + switch (typeof item) { + case 'function': return item.bind(new Proxy(target, handlerProxy(log))); + case 'object': return new Proxy(item, handlerProxy(log)); + default: return item; + } + }, +}); + +const log = []; +const iterator = Object.setPrototypeOf({ + next: function() { + if (this.value < 3) + return { done: false, value: this.value++ }; + return { done: true, value: undefined }; + }, + value: 0, +}, Iterator.prototype); +const iteratorProxy = new Proxy(iterator, handlerProxy(log)); +const mappedProxy = iteratorProxy.map(x => x); + +for (const item of mappedProxy) { +} + +assertEq( + log.join('\n'), +`get: map +get: next +get: value +get: value +getOwnPropertyDescriptor: value +has: enumerable +get: enumerable +has: configurable +get: configurable +has: value +get: value +has: writable +get: writable +has: get +has: set +defineProperty: value +set: value,1 +get: value +get: value +getOwnPropertyDescriptor: value +has: enumerable +get: enumerable +has: configurable +get: configurable +has: value +get: value +has: writable +get: writable +has: get +has: set +defineProperty: value +set: value,2 +get: value +get: value +getOwnPropertyDescriptor: value +has: enumerable +get: enumerable +has: configurable +get: configurable +has: value +get: value +has: writable +get: writable +has: get +has: set +defineProperty: value +set: value,3 +get: value` +); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |