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/*
 * Copyright 2009 Phil Burk, Mobileer 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 com.jsyn.data;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * @author Phil Burk, (C) 2009 Mobileer Inc
 */
public class TestShortSample {

    @Test
    public void testBytes() {
        byte[] bar = {
                18, -3
        };
        short s = (short) ((bar[0] << 8) | (bar[1] & 0xFF));
        assertEquals(0x12FD, s, "A");
    }

    @Test
    public void testReadWrite() {
        short[] data = {
                123, 456, -789, 111, 20000, -32768, 32767, 0, 9876
        };
        ShortSample sample = new ShortSample(data.length, 1);
        assertEquals(data.length, sample.getNumFrames(), "Sample numFrames");

        // Write and read entire sample.
        sample.write(data);
        short[] buffer = new short[data.length];
        sample.read(buffer);

        for (int i = 0; i < data.length; i++) {
            assertEquals(data[i], buffer[i], "read = write");
        }

        // Write and read part of an array.
        short[] partial = {
                333, 444, 555, 666, 777
        };

        sample.write(2, partial, 1, 3);
        sample.read(1, buffer, 1, 5);

        for (int i = 0; i < data.length; i++) {
            if ((i >= 2) && (i <= 4)) {
                assertEquals(partial[i - 1], buffer[i], "partial");
            } else {
                assertEquals(data[i], buffer[i], "read = write");
            }
        }

    }

}