| // 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-promise.prototype.catch |
| description: > |
| Promise.prototype.catch called with a `this` value that defines a `then` |
| method which returns an abrupt completion. |
| info: | |
| 1. Let promise be the this value. |
| 2. Return ? Invoke(promise, "then", «undefined, onRejected»). |
| |
| 7.3.18 Invoke |
| |
| 1. Assert: IsPropertyKey(P) is true. |
| 2. If argumentsList was not passed, let argumentsList be a new empty List. |
| 3. Let func be ? GetV(V, P). |
| 4. Return ? Call(func, V, argumentsList). |
| |
| 7.3.2 GetV |
| |
| 1. Assert: IsPropertyKey(P) is true. |
| 2. Let O be ? ToObject(V). |
| 3. Return ? O.[[Get]](P, V). |
| |
| 7.3.12 Call (F, V [ , argumentsList ]) |
| |
| 1. If argumentsList was not passed, let argumentsList be a new empty List. |
| 2. If IsCallable(F) is false, throw a TypeError exception. |
| 3. Return ? F.[[Call]](V, argumentsList). |
| ---*/ |
| |
| var thrower = { |
| then: function() { |
| throw new Test262Error(); |
| } |
| }; |
| |
| assert.throws(Test262Error, function() { |
| Promise.prototype.catch.call(thrower); |
| }); |