org.truth0.subjects.PrimitiveLongArraySubject.java Source code

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Here is the source code for org.truth0.subjects.PrimitiveLongArraySubject.java

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/*
 * Copyright (c) 2014 Google, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.truth0.subjects;

import com.google.common.primitives.Longs;

import org.truth0.FailureStrategy;

import java.util.Arrays;
import java.util.List;

/**
 * A Subject to handle testing propositions for {@code int[]}.
 *
 * @author Christian Gruber (cgruber@israfil.net)
 */
public class PrimitiveLongArraySubject extends AbstractArraySubject<PrimitiveLongArraySubject, long[]> {
    public PrimitiveLongArraySubject(FailureStrategy failureStrategy, long[] o) {
        super(failureStrategy, o);
    }

    @Override
    protected String underlyingType() {
        return "long";
    }

    @Override
    protected List<Long> listRepresentation() {
        return Longs.asList(getSubject());
    }

    /**
     * A proposition that the provided Object[] is an array of the same length and type, and
     * contains elements such that each element in {@code expected} is equal to each element
     * in the subject, and in the same position.
     */
    @Override
    public void isEqualTo(Object expected) {
        long[] actual = getSubject();
        if (actual == expected) {
            return; // short-cut.
        }
        try {
            long[] expectedArray = (long[]) expected;
            if (!Arrays.equals(actual, expectedArray)) {
                fail("is equal to", Longs.asList(expectedArray));
            }
        } catch (ClassCastException e) {
            failWithBadType(expected);
        }
    }

    @Override
    public void isNotEqualTo(Object expected) {
        long[] actual = getSubject();
        try {
            long[] expectedArray = (long[]) expected;
            if (actual == expected || Arrays.equals(actual, expectedArray)) {
                failWithRawMessage("%s unexpectedly equal to %s.", getDisplaySubject(),
                        Longs.asList(expectedArray));
            }
        } catch (ClassCastException ignored) {
        }
    }

    public ListSubject<?, Long, List<Long>> asList() {
        return ListSubject.create(failureStrategy, listRepresentation());
    }
}