| // Copyright (c) 2012, 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. |
| |
| import "package:expect/expect.dart"; |
| |
| // Test inlining of assignments in parameter passing. If [StringScanner.charAt] |
| // is inlined, the argument expression [: ++byteOffset :] should not be |
| // duplicated. |
| |
| class StringScanner { |
| static String string = 'az9'; |
| int byteOffset = -1; |
| |
| int nextByte(foo) { |
| if (foo) return -2; |
| return charAt(++byteOffset); |
| } |
| |
| static int charAt(index) => |
| (string.length > index) ? string.codeUnitAt(index) : -1; |
| } |
| |
| void main() { |
| var scanner = new StringScanner(); |
| Expect.equals(0x61, scanner.nextByte(false)); // Expect a. |
| Expect.equals(0x7A, scanner.nextByte(false)); // Expect z. |
| Expect.equals(0x39, scanner.nextByte(false)); // Expect 9. |
| Expect.equals(-1, scanner.nextByte(false)); |
| } |