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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); /// 03: compile-time error | |
14 Expect.equals(87, F2); /// 04: compile-time error | |
15 | |
16 Expect.isTrue(P0 is Point); | |
17 Expect.isTrue(P1 is int); /// 05: compile-time error | |
18 Expect.isTrue(P2 is Point); /// 06: compile-time error | |
19 Expect.isTrue(P3 is int); /// 07: compile-time error | |
20 | |
21 Expect.isTrue(A0 is int); | |
22 Expect.isTrue(A1 is int); | |
23 Expect.isTrue(A2 is int); /// 08: compile-time error | |
24 Expect.isTrue(A3 is int); /// 08: continued | |
25 | |
26 Expect.isTrue(C0.X is C1); | |
27 Expect.isTrue(C0.X.x is C1); /// 09: compile-time error | |
28 | |
29 Expect.equals("Hello42", B2); | |
30 Expect.equals("42Hello", B3); /// 10: compile-time error | |
31 } | |
32 | |
33 final F0 = 42; | |
34 final F1; /// 03: continued | |
35 final int F2 = 87; | |
36 final int F3; /// 04: continued | |
37 | |
38 class Point { | |
39 final x, y; | |
40 const Point(this.x, this.y); | |
41 operator +(int other) => x; | |
42 } | |
43 | |
44 // Check that compile time expressions can include invocations of | |
45 // user-defined const constructors. | |
46 final P0 = const Point(0, 0); | |
47 final P1 = const Point(0, 0) + 1; /// 05: continued | |
48 final P2 = new Point(0, 0); /// 06: continued | |
49 final P3 = new Point(0, 0) + 1; /// 07: continued | |
50 | |
51 // Check that we cannot have cyclic references in compile time | |
52 // expressions. | |
53 final A0 = 42; | |
54 final A1 = A0 + 1; | |
55 final A2 = A3 + 1; /// 08: continued | |
56 final A3 = A2 + 1; /// 08: continued | |
57 | |
58 class C0 { | |
59 static final X = const C1(); | |
60 } | |
61 | |
62 class C1 { | |
63 const C1() | |
64 : x = C0.X /// 09: continued | |
65 ; | |
66 final x = null; | |
67 } | |
68 | |
69 // Check that sub-expressions of binary + are numeric. | |
70 final B0 = 42; | |
71 final B1 = "Hello"; | |
72 final B2 = B1 + B0; | |
73 final B3 = B0 + B1; /// 10: continued | |
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