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Side by Side Diff: tests/language/field_optimization3_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) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, 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 4
5 // Dart test program to test type-based optimization on fields. 5 // Dart test program to test type-based optimization on fields.
6 6
7 class A { 7 class A {
8 var a = 0; 8 var a = 0;
9 var b = 0; 9 var b = 0;
10 foo() { 10 foo() {
11 var c = b + 27; 11 var c = b + 27;
12 for (var i = 0; i < 1 ; i++) { 12 for (var i = 0; i < 1 ; i++) {
13 for (var j = 0; j < 1; j++) { 13 for (var j = 0; j < 1; j++) {
14 Expect.equals(50, c + 23); 14 Expect.equals(50, c + 23);
15 } 15 }
16 } 16 }
17 return a > 0.2; 17 return a > 0.2;
18 } 18 }
19 setA(value) { a = value; } 19 setA(value) { a = value; }
20 setB(value) { b = value; } 20 setB(value) { b = value; }
21 operator >(other) => other === 0.2; 21 operator >(other) => other == 0.2;
22 } 22 }
23 23
24 main() { 24 main() {
25 var a = new A(); 25 var a = new A();
26 Expect.isFalse(a.foo()); 26 Expect.isFalse(a.foo());
27 a.setA(new A()); 27 a.setA(new A());
28 a.setB(0); 28 a.setB(0);
29 Expect.isTrue(a.foo()); 29 Expect.isTrue(a.foo());
30 } 30 }
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