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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.
*/
public static void assertTrue(String message, boolean condition) {
if (!condition) {
fail(message);
}
}
/** Asserts that a condition is true. If it isn't it throws an AssertionFailedError. */
public static 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.
*/
public static void assertFalse(String message, boolean condition) {
assertTrue(message, !condition);
}
/** Asserts that a condition is false. If it isn't it throws an AssertionFailedError. */
public static void assertFalse(boolean condition) {
assertFalse(null, condition);
}
/** Fails a test with the given message. */
public static void fail(String message) {
if (null == message) {
message = "";
}
throw new AssertionError(message);
}
/** Fails a test with no message. */
public static void fail() {
fail(null);
}
/**
* Asserts that two objects are equal. If they are not an AssertionFailedError is thrown with the
* given message.
*/
public static 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. */
public static void assertEquals(Object expected, Object actual) {
assertEquals(null, expected, actual);
}
/** Asserts that two Strings are equal. */
public static 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. */
public static 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.
*/
public static 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.
*/
public static 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.
*/
public static 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.
*/
public static 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.
*/
public static void assertEquals(String message, long expected, long actual) {
assertEquals(message, Long.valueOf(expected), Long.valueOf(actual));
}
/** Asserts that two longs are equal. */
public static 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.
*/
public static void assertEquals(String message, boolean expected, boolean actual) {
assertEquals(message, Boolean.valueOf(expected), Boolean.valueOf(actual));
}
/** Asserts that two booleans are equal. */
public static 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.
*/
public static void assertEquals(String message, byte expected, byte actual) {
assertEquals(message, Byte.valueOf(expected), Byte.valueOf(actual));
}
/** Asserts that two bytes are equal. */
public static 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.
*/
public static void assertEquals(String message, char expected, char actual) {
assertEquals(message, Character.valueOf(expected), Character.valueOf(actual));
}
/** Asserts that two chars are equal. */
public static 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.
*/
public static void assertEquals(String message, short expected, short actual) {
assertEquals(message, Short.valueOf(expected), Short.valueOf(actual));
}
/** Asserts that two shorts are equal. */
public static 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.
*/
public static void assertEquals(String message, int expected, int actual) {
assertEquals(message, Integer.valueOf(expected), Integer.valueOf(actual));
}
/** Asserts that two ints are equal. */
public static void assertEquals(int expected, int actual) {
assertEquals(null, expected, actual);
}
/** Asserts that an object isn't null. */
public static 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.
*/
public static void assertNotNull(String message, Object object) {
assertTrue(message, object != null);
}
/** Asserts that an object is null. */
public static 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.
*/
public static 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.
*/
public static 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.
*/
public static 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.
*/
public static 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.
*/
public static void assertNotSame(Object expected, Object actual) {
assertNotSame(null, expected, actual);
}
public static void assertEquals(final byte[] expected, final byte[] actual) {
assertEquals("", expected, actual);
}
public static 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]));
}
}
}
private static void failSame(String message) {
String formatted = "";
if (message != null) {
formatted = message + " ";
}
fail(formatted + "expected not same");
}
private static void failNotSame(String message, Object expected, Object actual) {
String formatted = "";
if (message != null) {
formatted = message + " ";
}
fail(formatted + "expected same:<" + expected + "> was not:<" + actual + ">");
}
private static 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 + ">";
}
}