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| 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) {
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;
throw new ComparisonFailure(message, 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.
*/
static public void assertNull(Object object) {
assertNull(null, 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)
formatted= message+" ";
return formatted+"expected:<"+expected+"> but was:<"+actual+">";
}
} |
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