| // Copyright 2016 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| (function testSpreadIndex() { |
| var result = [...[17, 42]][1]; |
| assertEquals(result, 42); |
| })(); |
| |
| (function testSpreadProperty() { |
| var result = [...[17, 42]].length; |
| assertEquals(result, 2); |
| })(); |
| |
| (function testSpreadMethodCall() { |
| var result = [...[17, 42]].join("+"); |
| assertEquals(result, "17+42"); |
| })(); |
| |
| (function testSpreadSavedMethodCall() { |
| var x = [...[17, 42]]; |
| var method = x.join; |
| var result = method.call(x, "+"); |
| assertEquals(result, "17+42"); |
| })(); |
| |
| (function testSpreadAsTemplateTag() { |
| assertThrows(function() { [...[17, 42]] `foo`; }, TypeError) |
| })(); |