| // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| main() { |
| var expect = new String.fromCharCodes( |
| [0, 0x0a, 0x0d, 0x7f, 0xff, 0xffff, 0xd800, 0xdc00, 0xdbff, 0xdfff]); |
| test(string) { |
| Expect.equals(expect, string); |
| } |
| |
| // Plain escapes of code points. |
| test("\x00\x0a\x0d\x7f\xff\uffff\u{10000}\u{10ffff}"); |
| test("""\x00\x0a\x0d\x7f\xff\uffff\u{10000}\u{10ffff}"""); |
| test('\x00\x0a\x0d\x7f\xff\uffff\u{10000}\u{10ffff}'); |
| test('''\x00\x0a\x0d\x7f\xff\uffff\u{10000}\u{10ffff}'''); |
| // Plain escapes of individual code units. |
| test("\x00\x0a\x0d\x7f\xff\uffff\ud800\udc00\udbff\udfff"); |
| test("""\x00\x0a\x0d\x7f\xff\uffff\ud800\udc00\udbff\udfff"""); |
| test('\x00\x0a\x0d\x7f\xff\uffff\ud800\udc00\udbff\udfff'); |
| test('''\x00\x0a\x0d\x7f\xff\uffff\ud800\udc00\udbff\udfff'''); |
| // Insert newline into multiline string. |
| test("""\x00 |
| \x0d\x7f\xff\uffff\ud800\udc00\udbff\udfff"""); |
| test('''\x00 |
| \x0d\x7f\xff\uffff\ud800\udc00\udbff\udfff'''); |
| // Extract code points from multi-character escape string. |
| test("\x00\x0a\x0d\x7f\xff\uffff" |
| "${"\u{10000}"[0]}${"\u{10000}"[1]}" |
| "${"\u{10FFFF}"[0]}${"\u{10FFFF}"[1]}"); |
| test("\x00\x0a\x0d\x7f\xff\uffff" + "\ud800" + "\udc00\udbff" + "\udfff"); |
| // Single line string over multiple lines with newlines inside interpolation. |
| test("\x00\x0a\x0d\x7f\xff${ |
| "" |
| }\uffff\ud800\udc00\udbff\udfff"); |
| } |