io.aos.hdfs.VIntWritableTest.java Source code

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Here is the source code for io.aos.hdfs.VIntWritableTest.java

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package io.aos.hdfs;

// == VIntWritableTest
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;

import java.io.IOException;
import org.apache.hadoop.io.VIntWritable;
import org.apache.hadoop.util.StringUtils;
import org.junit.Test;

public class VIntWritableTest extends WritableTestBase {

    @Test
    public void test() throws IOException {
        // vv VIntWritableTest
        byte[] data = serialize(new VIntWritable(163));
        assertThat(StringUtils.byteToHexString(data), is("8fa3"));
        // ^^ VIntWritableTest
    }

    @Test
    public void testSizes() throws IOException {
        assertThat(serializeToString(new VIntWritable(1)), is("01")); // 1 byte
        assertThat(serializeToString(new VIntWritable(-112)), is("90")); // 1 byte
        assertThat(serializeToString(new VIntWritable(127)), is("7f")); // 1 byte
        assertThat(serializeToString(new VIntWritable(128)), is("8f80")); // 2 byte
        assertThat(serializeToString(new VIntWritable(163)), is("8fa3")); // 2 byte
        assertThat(serializeToString(new VIntWritable(Integer.MAX_VALUE)), is("8c7fffffff")); // 5 byte
        assertThat(serializeToString(new VIntWritable(Integer.MIN_VALUE)), is("847fffffff")); // 5 byte
    }
}