| // Copyright 2018 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. | |
| // Flags: --expose-externalize-string | |
| // Attempt to externalize a string that's in RO_SPACE, which is not allowed as | |
| // the string's map would need to be writable. | |
| assertThrows(() => { | |
| externalizeString("1", false) | |
| }); | |
| assertThrows(() => { | |
| externalizeString("1", true) | |
| }); |