| package junit.framework; |
| |
| /** |
| * A set of assert methods. Messages are only displayed when an assert fails. |
| */ |
| |
| public class Assert { |
| /** |
| * Protect constructor since it is a static only class |
| */ |
| protected Assert() { |
| } |
| |
| /** |
| * Asserts that a condition is true. If it isn't it throws |
| * an AssertionFailedError with the given message. |
| */ |
| static public void assertTrue(String message, boolean condition) { |
| if (!condition) |
| fail(message); |
| } |
| /** |
| * Asserts that a condition is true. If it isn't it throws |
| * an AssertionFailedError. |
| */ |
| static public void assertTrue(boolean condition) { |
| assertTrue(null, condition); |
| } |
| /** |
| * Asserts that a condition is false. If it isn't it throws |
| * an AssertionFailedError with the given message. |
| */ |
| static public void assertFalse(String message, boolean condition) { |
| assertTrue(message, !condition); |
| } |
| /** |
| * Asserts that a condition is false. If it isn't it throws |
| * an AssertionFailedError. |
| */ |
| static public void assertFalse(boolean condition) { |
| assertFalse(null, condition); |
| } |
| /** |
| * Fails a test with the given message. |
| */ |
| static public void fail(String message) { |
| if (message == null) { |
| throw new AssertionFailedError(); |
| } |
| throw new AssertionFailedError(message); |
| } |
| /** |
| * Fails a test with no message. |
| */ |
| static public void fail() { |
| fail(null); |
| } |
| /** |
| * Asserts that two objects are equal. If they are not |
| * an AssertionFailedError is thrown with the given message. |
| */ |
| static public void assertEquals(String message, Object expected, Object actual) { |
| if (expected == null && actual == null) |
| return; |
| if (expected != null && expected.equals(actual)) |
| return; |
| failNotEquals(message, expected, actual); |
| } |
| /** |
| * Asserts that two objects are equal. If they are not |
| * an AssertionFailedError is thrown. |
| */ |
| static public void assertEquals(Object expected, Object actual) { |
| assertEquals(null, expected, actual); |
| } |
| /** |
| * Asserts that two Strings are equal. |
| */ |
| static public void assertEquals(String message, String expected, String actual) { |
| if (expected == null && actual == null) |
| return; |
| if (expected != null && expected.equals(actual)) |
| return; |
| String cleanMessage= message == null ? "" : message; |
| throw new ComparisonFailure(cleanMessage, expected, actual); |
| } |
| /** |
| * Asserts that two Strings are equal. |
| */ |
| static public void assertEquals(String expected, String actual) { |
| assertEquals(null, expected, actual); |
| } |
| /** |
| * Asserts that two doubles are equal concerning a delta. If they are not |
| * an AssertionFailedError is thrown with the given message. If the expected |
| * value is infinity then the delta value is ignored. |
| */ |
| static public void assertEquals(String message, double expected, double actual, double delta) { |
| if (Double.compare(expected, actual) == 0) |
| return; |
| if (!(Math.abs(expected-actual) <= delta)) |
| failNotEquals(message, new Double(expected), new Double(actual)); |
| } |
| /** |
| * Asserts that two doubles are equal concerning a delta. If the expected |
| * value is infinity then the delta value is ignored. |
| */ |
| static public void assertEquals(double expected, double actual, double delta) { |
| assertEquals(null, expected, actual, delta); |
| } |
| /** |
| * Asserts that two floats are equal concerning a positive delta. If they |
| * are not an AssertionFailedError is thrown with the given message. If the |
| * expected value is infinity then the delta value is ignored. |
| */ |
| static public void assertEquals(String message, float expected, float actual, float delta) { |
| if (Float.compare(expected, actual) == 0) |
| return; |
| if (!(Math.abs(expected - actual) <= delta)) |
| failNotEquals(message, new Float(expected), new Float(actual)); |
| } |
| /** |
| * Asserts that two floats are equal concerning a delta. If the expected |
| * value is infinity then the delta value is ignored. |
| */ |
| static public void assertEquals(float expected, float actual, float delta) { |
| assertEquals(null, expected, actual, delta); |
| } |
| /** |
| * Asserts that two longs are equal. If they are not |
| * an AssertionFailedError is thrown with the given message. |
| */ |
| static public void assertEquals(String message, long expected, long actual) { |
| assertEquals(message, new Long(expected), new Long(actual)); |
| } |
| /** |
| * Asserts that two longs are equal. |
| */ |
| static public void assertEquals(long expected, long actual) { |
| assertEquals(null, expected, actual); |
| } |
| /** |
| * Asserts that two booleans are equal. If they are not |
| * an AssertionFailedError is thrown with the given message. |
| */ |
| static public void assertEquals(String message, boolean expected, boolean actual) { |
| assertEquals(message, Boolean.valueOf(expected), Boolean.valueOf(actual)); |
| } |
| /** |
| * Asserts that two booleans are equal. |
| */ |
| static public void assertEquals(boolean expected, boolean actual) { |
| assertEquals(null, expected, actual); |
| } |
| /** |
| * Asserts that two bytes are equal. If they are not |
| * an AssertionFailedError is thrown with the given message. |
| */ |
| static public void assertEquals(String message, byte expected, byte actual) { |
| assertEquals(message, new Byte(expected), new Byte(actual)); |
| } |
| /** |
| * Asserts that two bytes are equal. |
| */ |
| static public void assertEquals(byte expected, byte actual) { |
| assertEquals(null, expected, actual); |
| } |
| /** |
| * Asserts that two chars are equal. If they are not |
| * an AssertionFailedError is thrown with the given message. |
| */ |
| static public void assertEquals(String message, char expected, char actual) { |
| assertEquals(message, new Character(expected), new Character(actual)); |
| } |
| /** |
| * Asserts that two chars are equal. |
| */ |
| static public void assertEquals(char expected, char actual) { |
| assertEquals(null, expected, actual); |
| } |
| /** |
| * Asserts that two shorts are equal. If they are not |
| * an AssertionFailedError is thrown with the given message. |
| */ |
| static public void assertEquals(String message, short expected, short actual) { |
| assertEquals(message, new Short(expected), new Short(actual)); |
| } |
| /** |
| * Asserts that two shorts are equal. |
| */ |
| static public void assertEquals(short expected, short actual) { |
| assertEquals(null, expected, actual); |
| } |
| /** |
| * Asserts that two ints are equal. If they are not |
| * an AssertionFailedError is thrown with the given message. |
| */ |
| static public void assertEquals(String message, int expected, int actual) { |
| assertEquals(message, new Integer(expected), new Integer(actual)); |
| } |
| /** |
| * Asserts that two ints are equal. |
| */ |
| static public void assertEquals(int expected, int actual) { |
| assertEquals(null, expected, actual); |
| } |
| /** |
| * Asserts that an object isn't null. |
| */ |
| static public void assertNotNull(Object object) { |
| assertNotNull(null, object); |
| } |
| /** |
| * Asserts that an object isn't null. If it is |
| * an AssertionFailedError is thrown with the given message. |
| */ |
| static public void assertNotNull(String message, Object object) { |
| assertTrue(message, object != null); |
| } |
| /** |
| * Asserts that an object is null. If it isn't an {@link AssertionError} is |
| * thrown. |
| * Message contains: Expected: <null> but was: object |
| * |
| * @param object |
| * Object to check or <code>null</code> |
| */ |
| static public void assertNull(Object object) { |
| String message = "Expected: <null> but was: " + String.valueOf(object); |
| assertNull(message, object); |
| } |
| /** |
| * Asserts that an object is null. If it is not |
| * an AssertionFailedError is thrown with the given message. |
| */ |
| static public void assertNull(String message, Object object) { |
| assertTrue(message, object == null); |
| } |
| /** |
| * Asserts that two objects refer to the same object. If they are not |
| * an AssertionFailedError is thrown with the given message. |
| */ |
| static public void assertSame(String message, Object expected, Object actual) { |
| if (expected == actual) |
| return; |
| failNotSame(message, expected, actual); |
| } |
| /** |
| * Asserts that two objects refer to the same object. If they are not |
| * the same an AssertionFailedError is thrown. |
| */ |
| static public void assertSame(Object expected, Object actual) { |
| assertSame(null, expected, actual); |
| } |
| /** |
| * Asserts that two objects do not refer to the same object. If they do |
| * refer to the same object an AssertionFailedError is thrown with the |
| * given message. |
| */ |
| static public void assertNotSame(String message, Object expected, Object actual) { |
| if (expected == actual) |
| failSame(message); |
| } |
| /** |
| * Asserts that two objects do not refer to the same object. If they do |
| * refer to the same object an AssertionFailedError is thrown. |
| */ |
| static public void assertNotSame(Object expected, Object actual) { |
| assertNotSame(null, expected, actual); |
| } |
| |
| static public void failSame(String message) { |
| String formatted= ""; |
| if (message != null) |
| formatted= message+" "; |
| fail(formatted+"expected not same"); |
| } |
| |
| static public void failNotSame(String message, Object expected, Object actual) { |
| String formatted= ""; |
| if (message != null) |
| formatted= message+" "; |
| fail(formatted+"expected same:<"+expected+"> was not:<"+actual+">"); |
| } |
| |
| static public void failNotEquals(String message, Object expected, Object actual) { |
| fail(format(message, expected, actual)); |
| } |
| |
| public static String format(String message, Object expected, Object actual) { |
| String formatted= ""; |
| if (message != null && message.length() > 0) |
| formatted= message+" "; |
| return formatted+"expected:<"+expected+"> but was:<"+actual+">"; |
| } |
| } |