/
Assert.java
1732 lines (1553 loc) · 54.8 KB
/
Assert.java
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package org.testng;
import static org.testng.internal.EclipseInterface.ASSERT_EQUAL_LEFT;
import static org.testng.internal.EclipseInterface.ASSERT_LEFT2;
import static org.testng.internal.EclipseInterface.ASSERT_MIDDLE;
import static org.testng.internal.EclipseInterface.ASSERT_RIGHT;
import static org.testng.internal.EclipseInterface.ASSERT_UNEQUAL_LEFT;
import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import org.testng.collections.Lists;
/**
* Assertion tool class. Presents assertion methods with a more natural parameter order. The order
* is always <B>actualValue</B>, <B>expectedValue</B> [, message].
*
* @author <a href='mailto:the_mindstorm@evolva.ro'>Alexandru Popescu</a>
*/
public class Assert {
public static final String ARRAY_MISMATCH_TEMPLATE =
"arrays differ firstly at element [%d]; " + "expected value is <%s> but was <%s>. %s";
/**
* Protect constructor since it is a static only class
*/
protected Assert() {
// hide constructor
}
/**
* Asserts that a condition is true. If it isn't, an AssertionError, with the given message, is
* thrown.
*
* @param condition the condition to evaluate
* @param message the assertion error message
*/
public static void assertTrue(boolean condition, String message) {
if (!condition) {
failNotEquals(condition, Boolean.TRUE, message);
}
}
/**
* Asserts that a condition is true. If it isn't, an AssertionError is thrown.
*
* @param condition the condition to evaluate
*/
public static void assertTrue(boolean condition) {
assertTrue(condition, null);
}
/**
* Asserts that a condition is false. If it isn't, an AssertionError, with the given message, is
* thrown.
*
* @param condition the condition to evaluate
* @param message the assertion error message
*/
public static void assertFalse(boolean condition, String message) {
if (condition) {
failNotEquals(condition, Boolean.FALSE, message); // TESTNG-81
}
}
/**
* Asserts that a condition is false. If it isn't, an AssertionError is thrown.
*
* @param condition the condition to evaluate
*/
public static void assertFalse(boolean condition) {
assertFalse(condition, null);
}
/**
* Fails a test with the given message and wrapping the original exception.
*
* @param message the assertion error message
* @param realCause the original exception
*/
public static void fail(String message, Throwable realCause) {
AssertionError ae = new AssertionError(message);
ae.initCause(realCause);
throw ae;
}
/**
* Fails a test with the given message.
*
* @param message the assertion error message
*/
public static void fail(String 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 AssertionError, with the given message,
* is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(Object actual, Object expected, String message) {
if (expected != null && expected.getClass().isArray()) {
assertArrayEquals(actual, expected, message);
return;
}
assertEqualsImpl(actual, expected, message);
}
private static boolean areEqual(Object actual, Object expected) {
if (expected != null && expected.getClass().isArray()) {
return areArraysEqual(actual, expected);
}
return areEqualImpl(actual, expected);
}
/**
* Differs from {@link #assertEquals(Object, Object, String)} by not taking arrays into special
* consideration hence comparing them by reference. Intended to be called directly to test
* equality of collections content.
*/
private static void assertEqualsImpl(Object actual, Object expected, String message) {
boolean equal = areEqualImpl(actual, expected);
if (!equal) {
failNotEquals(actual, expected, message);
}
}
private static void assertNotEqualsImpl(Object actual, Object expected, String message) {
boolean equal = areEqualImpl(actual, expected);
if (equal) {
failEquals(actual, expected, message);
}
}
private static boolean areEqualImpl(Object actual, Object expected) {
if ((expected == null) && (actual == null)) {
return true;
}
if (expected == null ^ actual == null) {
return false;
}
if (expected.equals(actual) && actual.equals(expected)) {
return true;
}
return false;
}
/**
* returns not equal reason or null if equal
**/
private static String getArrayNotEqualReason(Object actual, Object expected) {
if (Objects.equals(actual, expected)) {
return null;
}
if (null == expected) {
return "expected a null array, but not null found";
}
if (null == actual) {
return "expected not null array, but null found";
}
if (!actual.getClass().isArray()) {
return "not an array";
}
int expectedLength = Array.getLength(expected);
if (expectedLength != Array.getLength(actual)) {
return "array lengths are not the same";
}
for (int i = 0; i < expectedLength; i++) {
Object _actual = Array.get(actual, i);
Object _expected = Array.get(expected, i);
if (!areEqual(_actual, _expected)) {
return "(values at index " + i + " are not the same)";
}
}
return null;
}
private static boolean areArraysEqual(Object actual, Object expected) {
return getArrayNotEqualReason(actual, expected) == null;
}
private static void assertArrayEquals(Object actual, Object expected, String message) {
String reason = getArrayNotEqualReason(actual, expected);
if (null != reason) {
failNotEquals(actual, expected, message == null ? "" : message + " (" + message + ")");
}
}
private static void assertArrayNotEquals(Object actual, Object expected, String message) {
String reason = getArrayNotEqualReason(actual, expected);
if (null == reason) {
failEquals(actual, expected, message);
}
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(byte[] actual, byte[] expected) {
assertEquals(actual, expected, "");
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError, with the given message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(byte[] actual, byte[] expected, String message) {
if (checkRefEqualityAndLength(actual, expected, message)) {
return;
}
for (int i = 0; i < expected.length; i++) {
if (expected[i] != actual[i]) {
fail(
String.format(
ARRAY_MISMATCH_TEMPLATE,
i,
Byte.toString(expected[i]),
Byte.toString(actual[i]),
message));
}
}
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(short[] actual, short[] expected) {
assertEquals(actual, expected, "");
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError, with the given message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(short[] actual, short[] expected, String message) {
if (checkRefEqualityAndLength(actual, expected, message)) {
return;
}
for (int i = 0; i < expected.length; i++) {
if (expected[i] != actual[i]) {
fail(
String.format(
ARRAY_MISMATCH_TEMPLATE,
i,
Short.toString(expected[i]),
Short.toString(actual[i]),
message));
}
}
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(int[] actual, int[] expected) {
assertEquals(actual, expected, "");
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError, with the given message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(int[] actual, int[] expected, String message) {
if (checkRefEqualityAndLength(actual, expected, message)) {
return;
}
for (int i = 0; i < expected.length; i++) {
if (expected[i] != actual[i]) {
fail(
String.format(
ARRAY_MISMATCH_TEMPLATE,
i,
Integer.toString(expected[i]),
Integer.toString(actual[i]),
message));
}
}
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(boolean[] actual, boolean[] expected) {
assertEquals(actual, expected, "");
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError, with the given message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(boolean[] actual, boolean[] expected, String message) {
if (checkRefEqualityAndLength(actual, expected, message)) {
return;
}
for (int i = 0; i < expected.length; i++) {
if (expected[i] != actual[i]) {
fail(
String.format(
ARRAY_MISMATCH_TEMPLATE,
i,
Boolean.toString(expected[i]),
Boolean.toString(actual[i]),
message));
}
}
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(char[] actual, char[] expected) {
assertEquals(actual, expected, "");
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError, with the given message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(char[] actual, char[] expected, String message) {
if (checkRefEqualityAndLength(actual, expected, message)) {
return;
}
for (int i = 0; i < expected.length; i++) {
if (expected[i] != actual[i]) {
fail(
String.format(
ARRAY_MISMATCH_TEMPLATE,
i,
Character.toString(expected[i]),
Character.toString(actual[i]),
message));
}
}
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(float[] actual, float[] expected) {
assertEquals(actual, expected, "");
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError, with the given message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(float[] actual, float[] expected, String message) {
if (checkRefEqualityAndLength(actual, expected, message)) {
return;
}
for (int i = 0; i < expected.length; i++) {
assertEquals(actual[i], expected[i],
String.format(
ARRAY_MISMATCH_TEMPLATE,
i,
Float.toString(expected[i]),
Float.toString(actual[i]),
message));
}
}
/**
* Asserts that two arrays contain the equal elements concerning a delta in the same order. If
* they do not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param delta the absolute tolerable difference between the actual and expected values
*/
public static void assertEquals(float[] actual, float[] expected, float delta) {
assertEquals(actual, expected, delta, "");
}
/**
* Asserts that two arrays contain the equal elements concerning a delta in the same order. If
* they do not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param delta the absolute tolerable difference between the actual and expected values
* @param message the assertion error message
*/
public static void assertEquals(float[] actual, float[] expected, float delta, String message) {
if (checkRefEqualityAndLength(actual, expected, message)) {
return;
}
for (int i = 0; i < expected.length; i++) {
assertEquals(actual[i], expected[i], delta,
String.format(
ARRAY_MISMATCH_TEMPLATE,
i,
Float.toString(expected[i]),
Float.toString(actual[i]),
message));
}
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(double[] actual, double[] expected) {
assertEquals(actual, expected, "");
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError, with the given message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(double[] actual, double[] expected, String message) {
if (checkRefEqualityAndLength(actual, expected, message)) {
return;
}
for (int i = 0; i < expected.length; i++) {
assertEquals(actual[i], expected[i],
String.format(
ARRAY_MISMATCH_TEMPLATE,
i,
Double.toString(expected[i]),
Double.toString(actual[i]),
message));
}
}
/**
* Asserts that two arrays contain the equal elements concerning a delta in the same order. If
* they do not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param delta the absolute tolerable difference between the actual and expected values
*/
public static void assertEquals(double[] actual, double[] expected, double delta) {
assertEquals(actual, expected, delta, "");
}
/**
* Asserts that two arrays contain the equal elements concerning a delta in the same order. If
* they do not, an AssertionError, with the given message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param delta the absolute tolerable difference between the actual and expected values
* @param message the assertion error message
*/
public static void assertEquals(double[] actual, double[] expected, double delta,
String message) {
if (checkRefEqualityAndLength(actual, expected, message)) {
return;
}
for (int i = 0; i < expected.length; i++) {
assertEquals(actual[i], expected[i], delta,
String.format(
ARRAY_MISMATCH_TEMPLATE,
i,
Double.toString(expected[i]),
Double.toString(actual[i]),
message));
}
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(long[] actual, long[] expected) {
assertEquals(actual, expected, "");
}
/**
* Asserts that two arrays contain the same elements in the same order. If they do not, an
* AssertionError, with the given message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(long[] actual, long[] expected, String message) {
if (checkRefEqualityAndLength(actual, expected, message)) {
return;
}
for (int i = 0; i < expected.length; i++) {
if (expected[i] != actual[i]) {
fail(
String.format(
ARRAY_MISMATCH_TEMPLATE,
i,
Long.toString(expected[i]),
Long.toString(actual[i]),
message));
}
}
}
/**
* This methods check referential equality of given arguments as well as references length
* (assuming they are arrays). Successful execution of this method guaranties arrays length
* equality.
*
* @param actualArray array of elements
* @param expectedArray array of elements
* @param message the assertion error message
* @return {@code true} if {@code actualArray} and {@code expectedArray} are the same, {@code
* false} otherwise. If references are different and arrays length are different {@link
* AssertionError} is thrown.
*/
private static boolean checkRefEqualityAndLength(
Object actualArray, Object expectedArray, String message) {
if (expectedArray == actualArray) {
return true;
}
if (null == expectedArray) {
fail("expectedArray a null array, but not null found. " + message);
}
if (null == actualArray) {
fail("expectedArray not null array, but null found. " + message);
}
assertEquals(
Array.getLength(actualArray),
Array.getLength(expectedArray),
"arrays don't have the same size. " + message);
return false;
}
/**
* Asserts that two objects are equal. If they are not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(Object actual, Object expected) {
assertEquals(actual, expected, null);
}
/**
* Asserts that two Strings are equal. If they are not, an AssertionError, with the given message,
* is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(String actual, String expected, String message) {
assertEquals((Object) actual, (Object) expected, message);
}
/**
* Asserts that two Strings are equal. If they are not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(String actual, String expected) {
assertEquals(actual, expected, null);
}
private static boolean areEqual(double actual, double expected, 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)) {
return false;
}
} else if (Double.isNaN(expected)) {
if (!Double.isNaN(actual)) {
return false;
}
} else if (!(Math.abs(expected - actual) <= delta)) {
return false;
}
return true;
}
/**
* Asserts that two doubles are equal concerning a delta. If they are not, an AssertionError, with
* the given message, is thrown. If the expected value is infinity then the delta value is
* ignored.
*
* @param actual the actual value
* @param expected the expected value
* @param delta the absolute tolerable difference between the actual and expected values
* @param message the assertion error message
*/
public static void assertEquals(double actual, double expected, double delta, String message) {
if (!areEqual(actual, expected, delta)) {
failNotEquals(actual, expected, message);
}
}
/**
* Asserts that two doubles are equal concerning a delta. If they are not, an AssertionError is
* thrown. If the expected value is infinity then the delta value is ignored.
*
* @param actual the actual value
* @param expected the expected value
* @param delta the absolute tolerable difference between the actual and expected values
*/
public static void assertEquals(double actual, double expected, double delta) {
assertEquals(actual, expected, delta, null);
}
/**
* Asserts that two doubles are equal. If they are not, an AssertionError, with the given message,
* is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(double actual, double expected, String message) {
if (Double.isNaN(expected)) {
if (!Double.isNaN(actual)) {
failNotEquals(actual, expected, message);
}
} else if (actual != expected) {
failNotEquals(actual, expected, message);
}
}
/**
* Asserts that two doubles are equal. If they are not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(double actual, double expected) {
assertEquals(actual, expected, null);
}
private static boolean areEqual(float actual, float expected, 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)) {
return false;
}
} else if (Float.isNaN(expected)) {
if (!Float.isNaN(actual)) {
return false;
}
} else if (!(Math.abs(expected - actual) <= delta)) {
return false;
}
return true;
}
/**
* Asserts that two floats are equal concerning a delta. If they are not, an AssertionError, with
* the given message, is thrown. If the expected value is infinity then the delta value is
* ignored.
*
* @param actual the actual value
* @param expected the expected value
* @param delta the absolute tolerable difference between the actual and expected values
* @param message the assertion error message
*/
public static void assertEquals(float actual, float expected, float delta, String message) {
if (!areEqual(actual, expected, delta)) {
failNotEquals(actual, expected, message);
}
}
/**
* Asserts that two floats are equal concerning a delta. If they are not, an AssertionError is
* thrown. If the expected value is infinity then the delta value is ignored.
*
* @param actual the actual value
* @param expected the expected value
* @param delta the absolute tolerable difference between the actual and expected values
*/
public static void assertEquals(float actual, float expected, float delta) {
assertEquals(actual, expected, delta, null);
}
/**
* Asserts that two floats are equal. If they are not, an AssertionError, with the given message,
* is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(float actual, float expected, String message) {
if (Float.isNaN(expected)) {
if (!Float.isNaN(actual)) {
failNotEquals(actual, expected, message);
}
} else if (actual != expected) {
failNotEquals(actual, expected, message);
}
}
/**
* Asserts that two floats are equal. If they are not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(float actual, float expected) {
assertEquals(actual, expected, null);
}
/**
* Asserts that two longs are equal. If they are not, an AssertionError, with the given message,
* is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(long actual, long expected, String message) {
assertEquals(Long.valueOf(actual), Long.valueOf(expected), message);
}
/**
* Asserts that two longs are equal. If they are not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(long actual, long expected) {
assertEquals(actual, expected, null);
}
/**
* Asserts that two booleans are equal. If they are not, an AssertionError, with the given
* message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(boolean actual, boolean expected, String message) {
assertEquals(Boolean.valueOf(actual), Boolean.valueOf(expected), message);
}
/**
* Asserts that two booleans are equal. If they are not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(boolean actual, boolean expected) {
assertEquals(actual, expected, null);
}
/**
* Asserts that two bytes are equal. If they are not, an AssertionError, with the given message,
* is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(byte actual, byte expected, String message) {
assertEquals(Byte.valueOf(actual), Byte.valueOf(expected), message);
}
/**
* Asserts that two bytes are equal. If they are not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(byte actual, byte expected) {
assertEquals(actual, expected, null);
}
/**
* Asserts that two chars are equal. If they are not, an AssertionFailedError, with the given
* message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(char actual, char expected, String message) {
assertEquals(Character.valueOf(actual), Character.valueOf(expected), message);
}
/**
* Asserts that two chars are equal. If they are not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(char actual, char expected) {
assertEquals(actual, expected, null);
}
/**
* Asserts that two shorts are equal. If they are not, an AssertionFailedError, with the given
* message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(short actual, short expected, String message) {
assertEquals(Short.valueOf(actual), Short.valueOf(expected), message);
}
/**
* Asserts that two shorts are equal. If they are not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(short actual, short expected) {
assertEquals(actual, expected, null);
}
/**
* Asserts that two ints are equal. If they are not, an AssertionFailedError, with the given
* message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertEquals(int actual, int expected, String message) {
assertEquals(Integer.valueOf(actual), Integer.valueOf(expected), message);
}
/**
* Asserts that two ints are equal. If they are not, an AssertionError is thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertEquals(int actual, int expected) {
assertEquals(actual, expected, null);
}
/**
* Asserts that an object isn't null. If it is, an AssertionError is thrown.
*
* @param object the assertion object
*/
public static void assertNotNull(Object object) {
assertNotNull(object, null);
}
/**
* Asserts that an object isn't null. If it is, an AssertionFailedError, with the given message,
* is thrown.
*
* @param object the assertion object
* @param message the assertion error message
*/
public static void assertNotNull(Object object, String message) {
if (object == null) {
String formatted = "";
if (message != null) {
formatted = message + " ";
}
fail(formatted + "expected object to not be null");
}
}
/**
* Asserts that an object is null. If it is not, an AssertionError, with the given message, is
* thrown.
*
* @param object the assertion object
*/
public static void assertNull(Object object) {
assertNull(object, null);
}
/**
* Asserts that an object is null. If it is not, an AssertionFailedError, with the given message,
* is thrown.
*
* @param object the assertion object
* @param message the assertion error message
*/
public static void assertNull(Object object, String message) {
if (object != null) {
failNotSame(object, null, message);
}
}
/**
* Asserts that two objects refer to the same object. If they do not, an AssertionFailedError,
* with the given message, is thrown.
*
* @param actual the actual value
* @param expected the expected value
* @param message the assertion error message
*/
public static void assertSame(Object actual, Object expected, String message) {
if (Objects.equals(actual, expected)) {
return;
}
failNotSame(actual, expected, message);
}
/**
* Asserts that two objects refer to the same object. If they do not, an AssertionError is
* thrown.
*
* @param actual the actual value
* @param expected the expected value
*/
public static void assertSame(Object actual, Object expected) {
assertSame(actual, expected, null);
}
/**
* Asserts that two objects do not refer to the same objects. If they do, an AssertionError, with
* the given message, is thrown.
*
* @param actual the actual value
* @param expected the expected value