| // 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. |
| |
| // Test optimized constant string and constant array access. |
| |
| int testConstantStringAndIndexCharCodeAt() { |
| int test(b) { |
| if (b) return "hest".charCodeAt(400); |
| return "hest".charCodeAt(2); |
| } |
| |
| Expect.throws(() => test(true)); |
| for (int i = 0; i < 10000; i++) test(false); |
| Expect.throws(() => test(true)); |
| } |
| |
| |
| int testConstantArrayAndIndexAt() { |
| int test(b) { |
| var a = const [1,2,3,4]; |
| if (b) return a[400]; |
| return a[2]; |
| } |
| |
| Expect.throws(() => test(true)); |
| for (int i = 0; i < 10000; i++) test(false); |
| Expect.throws(() => test(true)); |
| } |
| |
| |
| foo(a) { |
| if (a == 1) { return 2; } |
| var aa = const [1, 2]; |
| return aa[2.3]; |
| } |
| |
| |
| int testNonSmiIndex() { |
| for (int i = 0; i < 10000; i++) { foo(1); } |
| Expect.throws(() => foo(2)); |
| } |
| |
| |
| main() { |
| testConstantStringAndIndexCharCodeAt(); |
| testConstantArrayAndIndexAt(); |
| testNonSmiIndex(); |
| } |