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Side by Side Diff: tests/language/src/SwitchLabelTest.dart

Issue 10248007: test rename overhaul: step 8 - language tests (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 7 months ago
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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
3 // BSD-style license that can be found in the LICENSE file.
4 // Test switch statement using labels.
5
6 class Switcher {
7
8 Switcher() { }
9
10 say1 (sound) {
11 var x = 0;
12 switch (sound) {
13 MOO:
14 case "moo":
15 x = 100;
16 break;
17 case "woof":
18 x = 200;
19 continue MOO;
20 default:
21 x = 300;
22 break;
23 }
24 return x;
25 }
26
27 say2 (sound) {
28 var x = 0;
29 switch (sound) {
30 WOOF:
31 case "woof":
32 x = 200;
33 break;
34 case "moo":
35 x = 100;
36 continue WOOF;
37 default:
38 x = 300;
39 break;
40 }
41 return x;
42 }
43
44 // forward label to outer switch
45 say3 (animal, sound) {
46 var x = 0;
47 switch (animal) {
48 case "cow":
49 switch (sound) {
50 case "moo":
51 x = 100; break;
52 case "muh":
53 x = 200; break;
54 default:
55 continue NIX_UNDERSTAND;
56 }
57 break;
58 case "dog":
59 if (sound == "woof") {
60 x = 300;
61 } else {
62 continue NIX_UNDERSTAND;
63 }
64 break;
65 NIX_UNDERSTAND:
66 case "unicorn":
67 x = 400;
68 break;
69 default:
70 x = 500;
71 break;
72 }
73 return x;
74 }
75 }
76
77 class SwitchLabelTest {
78 static testMain() {
79 Switcher s = new Switcher();
80 Expect.equals(100, s.say1("moo"));
81 Expect.equals(100, s.say1("woof"));
82 Expect.equals(300, s.say1("cockadoodledoo"));
83
84 Expect.equals(200, s.say2("moo"));
85 Expect.equals(200, s.say2("woof"));
86 Expect.equals(300, s.say2("")); // Dead unicorn says nothing.
87
88 Expect.equals(100, s.say3("cow", "moo"));
89 Expect.equals(200, s.say3("cow", "muh"));
90 Expect.equals(400, s.say3("cow", "boeh")); // Don't ask.
91 Expect.equals(300, s.say3("dog", "woof"));
92 Expect.equals(400, s.say3("dog", "boj")); // Ĉu vi parolas Esperanton?
93 Expect.equals(400, s.say3("unicorn", "")); // Still dead.
94 Expect.equals(500, s.say3("angry bird", "whoooo"));
95 }
96 }
97
98 main() {
99 SwitchLabelTest.testMain();
100 }
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