Strict mode Passingnon-Strict mode Passing
Features:
- generators
// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-generator.prototype.return description: > A TypeError should be thrown from GeneratorValidate (25.3.3.2) if the context of `return` does not define the [[GeneratorState]] internal slot. info: | [...] 3. Return ? GeneratorResumeAbrupt(g, C). 25.3.3.4 GeneratorResumeAbrupt 1. Let state be ? GeneratorValidate(generator). 25.3.3.2 GeneratorValidate [...] 2. If generator does not have a [[GeneratorState]] internal slot, throw a TypeError exception. features: [generators] ---*/ function* g() {} var GeneratorPrototype = Object.getPrototypeOf(g).prototype; assert.throws( TypeError, function() { GeneratorPrototype.return.call({}); }, 'ordinary object (without value)' ); assert.throws( TypeError, function() { GeneratorPrototype.return.call({}, 1); }, 'ordinary object (with value)' ); assert.throws( TypeError, function() { GeneratorPrototype.return.call(function() {}); }, 'function object (without value)' ); assert.throws( TypeError, function() { GeneratorPrototype.return.call(function() {}, 1); }, 'function object (with value)' ); assert.throws( TypeError, function() { GeneratorPrototype.return.call(g); }, 'generator function object (without value)' ); assert.throws( TypeError, function() { GeneratorPrototype.return.call(g, 1); }, 'generator function object (with value)' ); assert.throws( TypeError, function() { GeneratorPrototype.return.call(g.prototype); }, 'generator function prototype object (without value)' ); assert.throws( TypeError, function() { GeneratorPrototype.return.call(g.prototype, 1); }, 'generator function prototype object (with value)' );