| // 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 "this" |
| value of `return` is not an object. |
| info: | |
| [...] |
| 3. Return ? GeneratorResumeAbrupt(g, C). |
| |
| 25.3.3.4 GeneratorResumeAbrupt |
| |
| 1. Let state be ? GeneratorValidate(generator). |
| |
| 25.3.3.2 GeneratorValidate |
| |
| 1. If Type(generator) is not Object, throw a TypeError exception. |
| features: [generators, Symbol] |
| ---*/ |
| |
| function* g() {} |
| var GeneratorPrototype = Object.getPrototypeOf(g).prototype; |
| var symbol = Symbol(); |
| |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call(undefined); |
| }, |
| 'undefined (without value)' |
| ); |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call(undefined, 1); |
| }, |
| 'undefined (with value)' |
| ); |
| |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call(null); |
| }, |
| 'null (without value)' |
| ); |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call(null, 1); |
| }, |
| 'null (with value)' |
| ); |
| |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call(true); |
| }, |
| 'boolean (without value)' |
| ); |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call(true, 1); |
| }, |
| 'boolean (with value)' |
| ); |
| |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call('s'); |
| }, |
| 'string (without value)' |
| ); |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call('s', 1); |
| }, |
| 'string (with value)' |
| ); |
| |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call(1); |
| }, |
| 'number (without value)' |
| ); |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call(1, 1); |
| }, |
| 'number (with value)' |
| ); |
| |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call(symbol); |
| }, |
| 'symbol (without value)' |
| ); |
| assert.throws( |
| TypeError, |
| function() { |
| GeneratorPrototype.return.call(symbol, 1); |
| }, |
| 'symbol (with value)' |
| ); |