/*
* Copyright 2015 MiLaboratory.com
*
* 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.milaboratory.core.io.util;
import org.apache.commons.math3.random.RandomGenerator;
import org.apache.commons.math3.random.Well1024a;
import org.junit.Assert;
import org.junit.Test;
import java.io.File;
import static com.milaboratory.core.io.util.IOTestUtil.*;
public class AbstractRandomAccessReaderTest {
@Test
public void test1() throws Exception {
File tempFile = createRandomFile(System.currentTimeMillis());
String[] allLines = getAllLines(tempFile);
FileIndex index = buildIndex(tempFile, 5, 0);
StringReader reader = new StringReader(index, tempFile);
for (int i = 0; i < allLines.length; ++i)
Assert.assertEquals(allLines[i], reader.take(i));
tempFile.delete();
}
@Test
public void test2() throws Exception {
File tempFile = createRandomFile(System.currentTimeMillis());
String[] allLines = getAllLines(tempFile);
for (int step = 5; step < 10; step += 2) {
for (int start = 1; start <= step; ++start) {
FileIndex index = buildIndex(tempFile, step, start);
StringReader reader = new StringReader(index, tempFile);
for (int i = 0; i < allLines.length; ++i)
Assert.assertEquals(allLines[i], reader.take(i));
}
}
tempFile.delete();
}
@Test
public void test3() throws Exception {
RandomGenerator rnd = new Well1024a();
File tempFile = createRandomFile(rnd.nextLong());
String[] allLines = getAllLines(tempFile);
for (int step = 5; step < 10; step += 2) {
for (int start = 1; start <= step; ++start) {
FileIndex index = buildIndex(tempFile, step, start);
StringReader reader = new StringReader(index, tempFile);
for (int i = 0; i < allLines.length; ++i) {
int p = rnd.nextInt(allLines.length);
Assert.assertEquals(allLines[p], reader.take(p));
}
}
}
tempFile.delete();
}
}