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Testing framework for Java
package org.testng;
import org.testng.internal.junit.ArrayAsserts;
/**
* A set of assert methods. Messages are only displayed when an assert fails.
* Renamed from junit.framework.Assert.
*/
public class AssertJUnit extends ArrayAsserts {
/**
* Protect constructor since it is a static only class
*/
protected AssertJUnit() {
}
/**
* 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 (null == message) {
message = "";
}
throw new AssertionError(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 AssertionError(format(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) {
// handle infinity specially since subtracting to infinite values gives NaN and the
// the following test fails
if(Double.isInfinite(expected)) {
if(!(expected == actual)) {
failNotEquals(message, expected, actual);
}
}
else if(!(Math.abs(expected - actual) <= delta)) { // Because comparison with NaN always returns false
failNotEquals(message, expected, 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 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) {
// handle infinity specially since subtracting to infinite values gives NaN and the
// the following test fails
if(Float.isInfinite(expected)) {
if(!(expected == actual)) {
failNotEquals(message, expected, actual);
}
}
else if(!(Math.abs(expected - actual) <= delta)) {
failNotEquals(message, expected, 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, Long.valueOf(expected), Long.valueOf(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, Byte.valueOf(expected), Byte.valueOf(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, Character.valueOf(expected), Character.valueOf(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, Short.valueOf(expected), Short.valueOf(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, Integer.valueOf(expected), Integer.valueOf(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 refer to the same object. If they are not
* 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 refer to the same object. If they are not
* the same an AssertionFailedError is thrown.
*/
static public void assertNotSame(Object expected, Object actual) {
assertNotSame(null, expected, actual);
}
static public void assertEquals(final byte[] expected, final byte[] actual) {
assertEquals("", expected, actual);
}
static public void assertEquals(final String message, final byte[] expected, final byte[] actual) {
if(expected == actual) {
return;
}
if(null == expected) {
fail("expected a null array, but not null found. " + message);
}
if(null == actual) {
fail("expected not null array, but null found. " + message);
}
assertEquals("arrays don't have the same size. " + message, expected.length, actual.length);
for(int i= 0; i < expected.length; i++) {
if(expected[i] != actual[i]) {
fail("arrays differ firstly at element [" + i +"]; "
+ format(message, expected[i], actual[i]));
}
}
}
static private void failSame(String message) {
String formatted = "";
if(message != null) {
formatted = message + " ";
}
fail(formatted + "expected not same");
}
static private void failNotSame(String message, Object expected, Object actual) {
String formatted = "";
if(message != null) {
formatted = message + " ";
}
fail(formatted + "expected same:<" + expected + "> was not:<" + actual + ">");
}
static private void failNotEquals(String message, Object expected, Object actual) {
fail(format(message, expected, actual));
}
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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