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Issue 175403002: GenerateNot was not respecting "generateAtUseSite". (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Address Nicolas' comments. (reupload:500) Created 6 years, 10 months ago
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1 // Copyright (c) 2014, 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 // Dart test program for testing if statement.
5
6 import "package:expect/expect.dart";
7
8 // For logical-or conditions dart2js sometimes inlined expressions, leading to
9 // completely broken programs.
10
11 int globalCounter = 0;
12
13 falseWithSideEffect() {
14 bool confuse() => new DateTime.now().millisecondsSinceEpoch == 42;
15
16 var result = confuse();
17
18 // Make it harder to inline.
19 if (result) {
20 try {
21 try {
22 if (confuse()) falseWithSideEffect();
23 if (confuse()) return 499;
24 } catch (e) {
25 rethrow;
26 }
27 } catch (e) {
28 rethrow;
29 }
30 }
31 globalCounter++;
32 return result;
33 }
34
35 falseWithoutSideEffect() {
36 bool confuse() => new DateTime.now().millisecondsSinceEpoch == 42;
37
38 var result = confuse();
39
40 // Make it harder to inline.
41 if (result) {
42 try {
43 try {
44 if (confuse()) falseWithSideEffect();
45 if (confuse()) return 499;
46 } catch (e) {
47 rethrow;
48 }
49 } catch (e) {
50 rethrow;
51 }
52 }
53 return result;
54 }
55
56 testLogicalOr() {
57 globalCounter = 0;
58 bool cond1 = falseWithSideEffect();
59 if (cond1 || falseWithoutSideEffect()) Expect.fail("must be false");
60 if (cond1 || falseWithoutSideEffect()) Expect.fail("must be false");
61 if (cond1 || falseWithoutSideEffect()) Expect.fail("must be false");
62 Expect.equals(1, globalCounter);
63
64 cond1 = (falseWithSideEffect() == 499);
65 if (cond1 || falseWithoutSideEffect()) Expect.fail("must be false");
66 if (cond1 || falseWithoutSideEffect()) Expect.fail("must be false");
67 if (cond1 || falseWithoutSideEffect()) Expect.fail("must be false");
68 Expect.equals(2, globalCounter);
69 }
70
71 List globalList = [];
72 void testLogicalOr2() {
73 globalList.clear();
74 testValueOr([]);
75 testValueOr(null);
76 Expect.listEquals([1, 2, 3], globalList);
77 }
78
79 void testValueOr(List list) {
80 if (list == null) globalList.add(1);
81 if (list == null || list.contains("2")) globalList.add(2);
82 if (list == null || list.contains("3")) globalList.add(3);
83 }
84
85 testLogicalAnd() {
86 globalCounter = 0;
87 bool cond1 = falseWithSideEffect();
88 if (cond1 && falseWithoutSideEffect()) Expect.fail("must be false");
89 if (cond1 && falseWithoutSideEffect()) Expect.fail("must be false");
90 if (cond1 && falseWithoutSideEffect()) Expect.fail("must be false");
91 Expect.equals(1, globalCounter);
92
93 cond1 = (falseWithSideEffect() == 499);
94 if (cond1 && falseWithoutSideEffect()) Expect.fail("must be false");
95 if (cond1 && falseWithoutSideEffect()) Expect.fail("must be false");
96 if (cond1 && falseWithoutSideEffect()) Expect.fail("must be false");
97 Expect.equals(2, globalCounter);
98 }
99
100 void testLogicalAnd2() {
101 globalList.clear();
102 testValueAnd([]);
103 testValueAnd(null);
104 Expect.listEquals([1, 2, 3], globalList);
105 }
106
107 void testValueAnd(List list) {
108 if (list == null) globalList.add(1);
109 if (list == null && globalList.contains(1)) globalList.add(2);
110 if (list == null && globalList.contains(1)) globalList.add(3);
111 }
112
113 main() {
114 testLogicalOr();
115 testLogicalOr2();
116
117 testLogicalAnd();
118 testLogicalAnd2();
119 }
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