mockit.internal.expectations.argumentMatching.EqualityMatcher Maven / Gradle / Ivy
/*
* Copyright (c) 2006 JMockit developers
* This file is subject to the terms of the MIT license (see LICENSE.txt).
*/
package mockit.internal.expectations.argumentMatching;
import java.lang.reflect.Array;
import javax.annotation.*;
public class EqualityMatcher implements ArgumentMatcher
{
@Nullable final Object object;
EqualityMatcher(@Nullable Object equalArg) { object = equalArg; }
@Override
public final boolean same(@Nonnull EqualityMatcher other) { return object == other.object; }
@Override
public boolean matches(@Nullable Object argValue) { return areEqual(argValue, object); }
@Override
public void writeMismatchPhrase(@Nonnull ArgumentMismatch argumentMismatch) {
argumentMismatch.appendFormatted(object);
}
public static boolean areEqual(@Nullable Object o1, @Nullable Object o2) {
if (o1 == null) {
return o2 == null;
}
return o2 != null && (o1 == o2 || areEqualWhenNonNull(o1, o2));
}
public static boolean areEqualWhenNonNull(@Nonnull Object o1, @Nonnull Object o2) {
if (isArray(o1)) {
return isArray(o2) && areArraysEqual(o1, o2);
}
return o1.equals(o2);
}
private static boolean isArray(@Nonnull Object o) { return o.getClass().isArray(); }
private static boolean areArraysEqual(@Nonnull Object array1, @Nonnull Object array2) {
int length1 = Array.getLength(array1);
if (length1 != Array.getLength(array2)) {
return false;
}
for (int i = 0; i < length1; i++) {
Object value1 = Array.get(array1, i);
Object value2 = Array.get(array2, i);
if (!areEqual(value1, value2)) {
return false;
}
}
return true;
}
}