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1 // Copyright (c) 2015, 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 import 'dart:async'; | |
6 | |
7 import 'package:unittest/unittest.dart'; | |
8 | |
9 import '../utils.dart'; | |
10 | |
11 void main() { | |
12 group("synchronous", () { | |
13 group("[throws]", () { | |
14 test("with a function that throws an error", () { | |
15 expect(() => throw 'oh no', throws); | |
16 }); | |
17 | |
18 test("with a function that doesn't throw", () { | |
19 return runTest(() { | |
20 expect(() {}, throws); | |
21 }).then((liveTest) { | |
22 expectTestFailed(liveTest, | |
23 "Expected: throws\n" | |
24 " Actual: <Closure: () => dynamic>\n" | |
25 " Which: did not throw\n"); | |
26 }); | |
27 }); | |
28 | |
29 test("with a non-function", () { | |
30 return runTest(() { | |
31 expect(10, throws); | |
32 }).then((liveTest) { | |
33 expectTestFailed(liveTest, | |
34 "Expected: throws\n" | |
35 " Actual: <10>\n" | |
36 " Which: is not a Function or Future\n"); | |
37 }); | |
38 }); | |
39 }); | |
40 | |
41 group("[throwsA]", () { | |
42 test("with a function that throws an identical error", () { | |
43 expect(() => throw 'oh no', throwsA('oh no')); | |
44 }); | |
45 | |
46 test("with a function that throws a matching error", () { | |
47 expect(() => throw new FormatException("bad"), | |
48 throwsA(isFormatException)); | |
49 }); | |
50 | |
51 test("with a function that doesn't throw", () { | |
52 return runTest(() { | |
53 expect(() {}, throwsA('oh no')); | |
54 }).then((liveTest) { | |
55 expectTestFailed(liveTest, | |
56 "Expected: throws 'oh no'\n" | |
57 " Actual: <Closure: () => dynamic>\n" | |
58 " Which: did not throw\n"); | |
59 }); | |
60 }); | |
61 | |
62 test("with a non-function", () { | |
63 return runTest(() { | |
64 expect(10, throwsA('oh no')); | |
65 }).then((liveTest) { | |
66 expectTestFailed(liveTest, | |
67 "Expected: throws 'oh no'\n" | |
68 " Actual: <10>\n" | |
69 " Which: is not a Function or Future\n"); | |
70 }); | |
71 }); | |
72 | |
73 test("with a function that throws the wrong error", () { | |
74 return runTest(() { | |
75 expect(() => throw 'aw dang', throwsA('oh no')); | |
76 }).then((liveTest) { | |
77 expectTestFailed(liveTest, | |
78 "Expected: throws 'oh no'\n" | |
79 " Actual: <Closure: () => dynamic>\n" | |
80 " Which: threw 'aw dang'\n"); | |
81 }); | |
82 }); | |
83 }); | |
84 }); | |
85 | |
86 group("asynchronous", () { | |
87 group("[throws]", () { | |
88 test("with a Future that throws an error", () { | |
89 expect(new Future.error('oh no'), throws); | |
90 }); | |
91 | |
92 test("with a Future that doesn't throw", () { | |
93 return runTest(() { | |
94 expect(new Future.value(), throws); | |
95 }).then((liveTest) { | |
96 expectTestFailed(liveTest, | |
97 "Expected future to fail, but succeeded with 'null'."); | |
98 }); | |
99 }); | |
100 | |
101 test("won't let the test end until the Future completes", () { | |
102 return expectTestBlocks(() { | |
103 var completer = new Completer(); | |
104 expect(completer.future, throws); | |
105 return completer; | |
106 }, (completer) => completer.completeError('oh no')); | |
107 }); | |
108 }); | |
109 | |
110 group("[throwsA]", () { | |
111 test("with a Future that throws an identical error", () { | |
112 expect(new Future.error('oh no'), throwsA('oh no')); | |
113 }); | |
114 | |
115 test("with a Future that throws a matching error", () { | |
116 expect(new Future.error(new FormatException("bad")), | |
117 throwsA(isFormatException)); | |
118 }); | |
119 | |
120 test("with a Future that doesn't throw", () { | |
121 return runTest(() { | |
122 expect(new Future.value(), throwsA('oh no')); | |
123 }).then((liveTest) { | |
124 expectTestFailed(liveTest, | |
125 "Expected future to fail, but succeeded with 'null'."); | |
126 }); | |
127 }); | |
128 | |
129 test("with a Future that throws the wrong error", () { | |
130 return runTest(() { | |
131 expect(new Future.error('aw dang'), throwsA('oh no')); | |
132 }).then((liveTest) { | |
133 expectTestFailed(liveTest, startsWith( | |
134 "Expected: throws 'oh no'\n" | |
135 " Actual: <Closure: () => dynamic>\n" | |
136 " Which: threw 'aw dang'\n")); | |
137 }); | |
138 }); | |
139 | |
140 test("won't let the test end until the Future completes", () { | |
141 return expectTestBlocks(() { | |
142 var completer = new Completer(); | |
143 expect(completer.future, throwsA('oh no')); | |
144 return completer; | |
145 }, (completer) => completer.completeError('oh no')); | |
146 }); | |
147 }); | |
148 }); | |
149 } | |
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