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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 // Test that we invalidate parameter type optimization in the presence | 4 // Test that we invalidate parameter type optimization in the presence |
5 // of optional parameters. | 5 // of optional parameters. |
6 | 6 |
7 import "package:expect/expect.dart"; | |
8 | |
9 class A { | 7 class A { |
10 void foo(bool firstInvocation, [a = 42, b = 'foo']) { | 8 void foo(bool firstInvocation, [a = 42, b = 'foo']) { |
11 if (firstInvocation) { | 9 if (firstInvocation) { |
12 Expect.isTrue(a is String); | 10 Expect.isTrue(a is String); |
13 Expect.isTrue(b is int); | 11 Expect.isTrue(b is int); |
14 } else { | 12 } else { |
15 Expect.isTrue(a is int); | 13 Expect.isTrue(a is int); |
16 Expect.isTrue(b is String); | 14 Expect.isTrue(b is String); |
17 } | 15 } |
18 } | 16 } |
19 } | 17 } |
20 | 18 |
21 test() { | 19 test() { |
22 // This call to [A.foo] will be in the queue after [A.foo] has been | 20 // This call to [A.foo] will be in the queue after [A.foo] has been |
23 // compiled with the optimistic type assumptions. | 21 // compiled with the optimistic type assumptions. |
24 new A().foo(false); | 22 new A().foo(false); |
25 } | 23 } |
26 | 24 |
27 main() { | 25 main() { |
28 test(); | 26 test(); |
29 // This call to [A.foo] will be the first in the queue, and dart2js | 27 // This call to [A.foo] will be the first in the queue, and dart2js |
30 // will optimize the method with these parameter types. | 28 // will optimize the method with these parameter types. |
31 new A().foo(true, 'bar', 42); | 29 new A().foo(true, 'bar', 42); |
32 } | 30 } |
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