1/*
2 * Copyright 2014 Google Inc. All rights reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17using System;
18using System.Collections.Generic;
19using System.Linq;
20using System.Text;
21
22namespace Google.FlatBuffers.Test
23{
24
25 public class AssertFailedException : Exception
26 {
27 private readonly object _expected;
28 private readonly object _actual;
29
30 public AssertFailedException(object expected, object actual)
31 {
32 _expected = expected;
33 _actual = actual;
34 }
35
36 public override string Message
37 {
38 get { return string.Format("Expected {0} but saw {1}", _expected, _actual); }
39 }
40 }
41
42 public class AssertArrayFailedException : Exception
43 {
44 private readonly int _index;
45 private readonly object _expected;
46 private readonly object _actual;
47
48 public AssertArrayFailedException(int index, object expected, object actual)
49 {
50 _index = index;
51 _expected = expected;
52 _actual = actual;
53 }
54
55 public override string Message
56 {
57 get { return string.Format("Expected {0} at index {1} but saw {2}", _expected, _index, _actual); }
58 }
59 }
60
61 public class AssertUnexpectedThrowException : Exception
62 {
63 private readonly object _expected;
64
65 public AssertUnexpectedThrowException(object expected)
66 {
67 _expected = expected;
68 }
69
70 public override string Message
71 {
72 get { return string.Format("Expected exception of type {0}", _expected); }
73 }
74 }
75
76 public static class Assert
77 {
78 public static void AreEqual<T>(T expected, T actual)
79 {
80 if (!expected.Equals(actual))
81 {
82 throw new AssertFailedException(expected, actual);
83 }
84 }
85
86 public static void ArrayEqual<T>(T[] expected, T[] actual)
87 {
88 if (expected.Length != actual.Length)
89 {
90 throw new AssertFailedException(expected, actual);
91 }
92
93 for(var i = 0; i < expected.Length; ++i)
94 {
95 if (!expected[i].Equals(actual[i]))
96 {
97 throw new AssertArrayFailedException(i, expected, actual);
98 }
99 }
100 }
101
102 public static void IsTrue(bool value)
103 {
104 if (!value)
105 {
106 throw new AssertFailedException(true, value);
107 }
108 }
109
110 public static void IsFalse(bool value)
111 {
112 if (value)
113 {
114 throw new AssertFailedException(false, value);
115 }
116 }
117
118 public static void Throws<T>(Action action) where T : Exception
119 {
120 var caught = false;
121 try
122 {
123 action();
124 }
125 catch (T)
126 {
127 caught = true;
128 }
129
130 if (!caught)
131 {
132 throw new AssertUnexpectedThrowException(typeof (T));
133 }
134 }
135 }
136}
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