1/*
2 * Copyright (C) 2011 The Android Open Source Project
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
17// Some parts of this code is Common Public License - v 1.0
18// See NOTICE file in junit project.
19
20package junit.framework;
21
22public class Assert {
23    protected Assert() {}
24
25    public static void assertEquals(String message, boolean expected, boolean actual) {
26        if (actual != expected) {
27            fail(message, "expected " + expected + " but was " + actual);
28        }
29    }
30
31    public static void assertEquals(boolean expected, boolean actual) {
32        assertEquals("", expected, actual);
33    }
34
35    public static void assertEquals(String message, byte expected, byte actual) {
36        if (actual != expected) {
37            fail(message, "expected " + expected + " but was " + actual);
38        }
39    }
40
41    public static void assertEquals(byte expected, byte actual) {
42        assertEquals("", expected, actual);
43    }
44
45    public static void assertEquals(String message, short expected, short actual) {
46        if (actual != expected) {
47            fail(message, "expected " + expected + " but was " + actual);
48        }
49    }
50
51    public static void assertEquals(short expected, short actual) {
52        assertEquals("", expected, actual);
53    }
54
55    public static void assertEquals(String message, int expected, int actual) {
56        if (actual != expected) {
57            fail(message, "expected " + expected + " but was " + actual);
58        }
59    }
60
61    public static void assertEquals(int expected, int actual) {
62        assertEquals("", expected, actual);
63    }
64
65    public static void assertEquals(String message, long expected, long actual) {
66        if (actual != expected) {
67            fail(message, "expected " + expected + " but was " + actual);
68        }
69    }
70
71    public static void assertEquals(long expected, long actual) {
72        assertEquals("", expected, actual);
73    }
74
75    public static void assertEquals(String message, char expected, char actual) {
76        if (actual != expected) {
77            fail(message, "expected " + expected + " but was " + actual);
78        }
79    }
80
81    public static void assertEquals(char expected, char actual) {
82        assertEquals("", expected, actual);
83    }
84
85    public static void assertEquals(String message, String expected, String actual) {
86        assertEquals(message, (Object) expected, (Object) actual);
87    }
88
89    public static void assertEquals(String expected, String actual) {
90        assertEquals("", (Object) expected, (Object) actual);
91    }
92
93    public static void assertEquals(String message, Object expected, Object actual) {
94        if (expected == null && actual == null) {
95            return;
96        }
97        if (expected != null && expected.equals(actual)) {
98            return;
99        }
100        fail(message, "expected " + expected + " but was " + actual);
101    }
102
103    public static void assertEquals(Object expected, Object actual) {
104        assertEquals("", expected, actual);
105    }
106
107    // assertEquals with delta
108    static public void assertEquals(String message, double expected, double actual, double delta) {
109        if (Double.compare(expected, actual) == 0) {
110            return;
111        }
112        if (!(Math.abs(expected-actual) <= delta)) {
113            fail(message, "expected " + expected + " but was " + actual + "; delta=" + delta);
114        }
115    }
116
117    public static void assertEquals(double expected, double actual, double delta) {
118        assertEquals("", expected, actual, delta);
119    }
120
121    static public void assertEquals(String message, float expected, float actual, float delta) {
122        if (Float.compare(expected, actual) == 0) {
123            return;
124        }
125        if (!(Math.abs(expected - actual) <= delta)) {
126            fail(message, "expected " + expected + " but was " + actual + "; delta=" + delta);
127        }
128    }
129
130    public static void assertEquals(float expected, float actual, float delta) {
131        assertEquals("", expected, actual, delta);
132    }
133
134    // other asserts
135
136    public static void assertTrue(String message, boolean condition) {
137        if (!condition) {
138            throw new AssertionFailedError(message);
139        }
140    }
141
142    public static void assertTrue(boolean condition) {
143        assertTrue("", condition);
144    }
145
146    public static void assertFalse(String message, boolean condition) {
147        if (condition) {
148            throw new AssertionFailedError(message);
149        }
150    }
151
152    public static void assertFalse(boolean condition) {
153        assertFalse("", condition);
154    }
155
156    public static void assertNull(String message, Object reference) {
157        if (reference != null) {
158            throw new AssertionFailedError(message);
159        }
160    }
161
162    public static void assertNull(Object reference) {
163        assertNull("", reference);
164    }
165
166    public static void assertNotNull(String message, Object reference) {
167        if (reference == null) {
168            throw new AssertionFailedError(message);
169        }
170    }
171
172    public static void assertNotNull(Object reference) {
173        assertNotNull("", reference);
174    }
175
176    public static void assertSame(String message, Object expected, Object actual) {
177        if (expected != actual) {
178            fail(message, "expected same " + expected + ", " + actual);
179        }
180    }
181
182    public static void assertSame(Object expected, Object actual) {
183        assertSame("", expected, actual);
184    }
185
186    public static void assertNotSame(String message, Object expected, Object actual) {
187        if (expected == actual) {
188            fail(message, "expected not same " + expected + ", " + actual);
189        }
190    }
191
192    public static void assertNotSame(Object expected, Object actual) {
193        assertNotSame("", expected, actual);
194    }
195
196    // fail
197
198    public static void fail(String message) {
199        throw new AssertionFailedError(message);
200    }
201
202    public static void fail() {
203        throw new AssertionFailedError();
204    }
205
206    protected static void fail(String message, String detail) {
207        if (message == null || message.isEmpty()) {
208            throw new AssertionFailedError(detail);
209        } else {
210            throw new AssertionFailedError(message + ": " + detail);
211        }
212    }
213}
214