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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 | |
3 // BSD-style license that can be found in the LICENSE file. | |
4 | |
5 main() { | |
6 final f0 = 42; | |
7 final f1; /// 01: compile-time error | |
8 final int f2 = 87; | |
9 final int f3; /// 02: compile-time error | |
10 Expect.equals(42, f0); | |
11 Expect.equals(87, f2); | |
12 | |
13 Expect.equals(42, F0); | |
14 Expect.equals(null, F1); /// 03: compile-time error | |
15 Expect.equals(87, F2); | |
16 Expect.equals(null, F3); /// 04: compile-time error | |
17 | |
18 Expect.isTrue(P0 is Point); | |
19 Expect.isTrue(P1 is int); /// 05: compile-time error | |
20 Expect.isTrue(P2 is Point); /// 06: compile-time error | |
21 Expect.isTrue(P3 is int); /// 07: compile-time error | |
22 | |
23 Expect.isTrue(A0 is int); | |
24 Expect.isTrue(A1 is int); | |
25 Expect.isTrue(A2 is int); /// 08: compile-time error | |
26 Expect.isTrue(A3 is int); /// 08: continued | |
27 | |
28 Expect.isTrue(C0.X is C1); | |
29 Expect.isTrue(C0.X.x is C1); /// 09: compile-time error | |
30 | |
31 Expect.equals("Hello 42", B2); | |
32 Expect.equals("42Hello", B3); /// 10: compile-time error | |
33 } | |
34 | |
35 final F0 = 42; | |
36 final F1; /// 03: continued | |
37 final int F2 = 87; | |
38 final int F3; /// 04: continued | |
39 | |
40 class Point { | |
41 final x, y; | |
42 const Point(this.x, this.y); | |
43 operator +(int other) => x; | |
44 } | |
45 | |
46 // Check that compile time expressions can include invocations of | |
47 // user-defined const constructors. | |
48 final P0 = const Point(0, 0); | |
49 final P1 = const Point(0, 0) + 1; /// 05: continued | |
50 final P2 = new Point(0, 0); /// 06: continued | |
51 final P3 = new Point(0, 0) + 1; /// 07: continued | |
52 | |
53 // Check that we cannot have cyclic references in compile time | |
54 // expressions. | |
55 final A0 = 42; | |
56 final A1 = A0 + 1; | |
57 final A2 = A3 + 1; /// 08: continued | |
58 final A3 = A2 + 1; /// 08: continued | |
59 | |
60 class C0 { | |
61 static final X = const C1(); | |
62 } | |
63 | |
64 class C1 { | |
65 const C1() | |
66 : x = C0.X /// 09: continued | |
67 ; | |
68 final x = null; | |
69 } | |
70 | |
71 // Check that sub-expressions of binary + are numeric. | |
72 final B0 = 42; | |
73 final B1 = "Hello"; | |
74 final B2 = "$B1 $B0"; | |
75 final B3 = B0 + B1; /// 10: continued | |
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