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Side by Side Diff: tests/language/ct_const_test.dart

Issue 11361190: a === b -> identical(a, b) (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Address comments. Created 8 years, 1 month ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file 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 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. 3 // BSD-style license that can be found in the LICENSE file.
4 // All things regarding compile time constant expressions. 4 // All things regarding compile time constant expressions.
5 5
6 interface Roman { 6 interface Roman {
7 static const I = 1; 7 static const I = 1;
8 static const II = 2; 8 static const II = 2;
9 static const III = 3; 9 static const III = 3;
10 static const IV = 4; 10 static const IV = 4;
(...skipping 27 matching lines...) Expand all
38 } 38 }
39 39
40 40
41 class CTConstTest { 41 class CTConstTest {
42 static int getZero() { return 0; } 42 static int getZero() { return 0; }
43 static const naught = null; 43 static const naught = null;
44 44
45 static testMain() { 45 static testMain() {
46 Expect.equals(0, Point.zero); 46 Expect.equals(0, Point.zero);
47 Expect.equals(0, Point.origin.x_); 47 Expect.equals(0, Point.origin.x_);
48 Expect.equals(true, Point.origin === Point.origin2); 48 Expect.equals(true, identical(Point.origin, Point.origin2));
49 var p1 = const Point(0, 0); 49 var p1 = const Point(0, 0);
50 Expect.equals(true, Point.origin === p1); 50 Expect.equals(true, identical(Point.origin, p1));
51 51
52 Expect.equals(false, Point.origin == const Point(1, 1)); 52 Expect.equals(false, Point.origin == const Point(1, 1));
53 Expect.equals(false, Point.origin === const Point(1, 1)); 53 Expect.equals(false, identical(Point.origin, const Point(1, 1)));
54 54
55 var p2 = new Point(0, getZero()); 55 var p2 = new Point(0, getZero());
56 Expect.equals(true, Point.origin == p2); // Point.operator== 56 Expect.equals(true, Point.origin == p2); // Point.operator==
57 57
58 Expect.equals(true, const Point.X(5) === const Point(5, 0)); 58 Expect.equals(true, identical(const Point.X(5), const Point(5, 0)));
59 59
60 Line l1 = const Line(Point.origin, const Point(1, 1)); 60 Line l1 = const Line(Point.origin, const Point(1, 1));
61 Line l2 = const Line(const Point(0, 0), const Point(1, 1)); 61 Line l2 = const Line(const Point(0, 0), const Point(1, 1));
62 Line l3 = new Line(const Point(0, 0), const Point(1, 1)); 62 Line l3 = new Line(const Point(0, 0), const Point(1, 1));
63 Expect.equals(true, l1 === l2); 63 Expect.equals(true, identical(l1, l2));
64 64
65 final evenNumbers = const <int>[2, 2*2, 2*3, 2*4, 2*5]; 65 final evenNumbers = const <int>[2, 2*2, 2*3, 2*4, 2*5];
66 Expect.equals(true, evenNumbers !== const [2, 4, 6, 8, 10]); 66 Expect.equals(true, !identical(evenNumbers, const [2, 4, 6, 8, 10]));
67 67
68 final c11dGermany1 = const {"black": 1, "red": 2, "yellow": 3}; 68 final c11dGermany1 = const {"black": 1, "red": 2, "yellow": 3};
69 Expect.equals(true, 69 Expect.equals(true,
70 c11dGermany1 === const {"black": 1, "red": 2, "yellow": 3}); 70 identical(c11dGermany1, const {"black": 1, "red": 2, "yellow": 3}));
71 71
72 final c11dGermany2 = const {"black": 1, "red": 2, "yellow": 3}; 72 final c11dGermany2 = const {"black": 1, "red": 2, "yellow": 3};
73 Expect.equals(true, c11dGermany1 === c11dGermany2); 73 Expect.equals(true, identical(c11dGermany1, c11dGermany2));
74 74
75 final c11dBelgium = const {"black": 1, "yellow": 2, "red": 3}; 75 final c11dBelgium = const {"black": 1, "yellow": 2, "red": 3};
76 Expect.equals(false, c11dGermany1 == c11dBelgium); 76 Expect.equals(false, c11dGermany1 == c11dBelgium);
77 Expect.equals(false, c11dGermany1 === c11dBelgium); 77 Expect.equals(false, identical(c11dGermany1, c11dBelgium));
78 78
79 final c11dItaly = const {"green": 1, "red": 3, "white": 2}; 79 final c11dItaly = const {"green": 1, "red": 3, "white": 2};
80 Expect.equals(true, 80 Expect.equals(true,
81 c11dItaly === const {"green": 1, "red": 3, "white": 2}); 81 identical(c11dItaly, const {"green": 1, "red": 3, "white": 2}));
82 Expect.equals(true, c11dItaly === Roman.VivaItalia); 82 Expect.equals(true, identical(c11dItaly, Roman.VivaItalia));
83 83
84 Expect.equals(3, c11dItaly.length); 84 Expect.equals(3, c11dItaly.length);
85 Expect.equals(3, c11dItaly.keys.length); 85 Expect.equals(3, c11dItaly.keys.length);
86 Expect.equals(true, c11dItaly.containsKey("white")); 86 Expect.equals(true, c11dItaly.containsKey("white"));
87 Expect.equals(false, c11dItaly.containsKey("black")); 87 Expect.equals(false, c11dItaly.containsKey("black"));
88 88
89 // Make sure the map object is immutable. 89 // Make sure the map object is immutable.
90 bool caughtException = false; 90 bool caughtException = false;
91 try { 91 try {
92 c11dItaly["green"] = 0; 92 c11dItaly["green"] = 0;
(...skipping 14 matching lines...) Expand all
107 107
108 caughtException = false; 108 caughtException = false;
109 try { 109 try {
110 c11dItaly.remove("orange"); 110 c11dItaly.remove("orange");
111 } on UnsupportedError catch (e) { 111 } on UnsupportedError catch (e) {
112 caughtException = true; 112 caughtException = true;
113 } 113 }
114 Expect.equals(true, caughtException); 114 Expect.equals(true, caughtException);
115 Expect.equals(1, c11dItaly["green"]); 115 Expect.equals(1, c11dItaly["green"]);
116 116
117 Expect.equals(true, null === naught); 117 Expect.equals(true, null == naught);
118 } 118 }
119 } 119 }
120 120
121 main() { 121 main() {
122 CTConstTest.testMain(); 122 CTConstTest.testMain();
123 } 123 }
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