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Side by Side Diff: tests/language/src/DeoptNoFeedbackTest.dart

Issue 10248007: test rename overhaul: step 8 - language tests (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 8 months ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file.
4 // Test deoptimization caused by running code that did not collect type
5 // feedback before.
6
7 testStoreIndexed() {
8 test(a, i, v, flag) {
9 if (flag) {
10 // No type feedback in first pass
11 return a[i] = v;
12 } else {
13 return a[i] = i;
14 }
15 }
16
17 var a = new List(10);
18 for (var i = 0; i < 2000; i++) {
19 var r = test(a, 3, 888, false);
20 Expect.equals(3, r);
21 Expect.equals(3, a[3]);
22 }
23 // Deopt.
24 var r = test(a, 3, 888, true);
25 Expect.equals(888, r);
26 Expect.equals(888, a[3]);
27 }
28
29 testIncrLocal() {
30 test(a, flag) {
31 if (flag) {
32 a++;
33 return a;
34 } else {
35 return -1;
36 }
37 }
38
39 for (var i = 0; i < 2000; i++) {
40 var r = test(10, false);
41 Expect.equals(-1, r);
42 }
43 // Deopt.
44 var r = test(10, true);
45 Expect.equals(11, r);
46 }
47
48
49 main() {
50 for (var i = 0; i < 2000; i++) {}
51 testStoreIndexed();
52 testIncrLocal();
53 }
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