TestFilePartition.java

package test.net.tcp;

import static org.hamcrest.Matchers.is;

import org.junit.Assert;
import org.junit.Test;

public class TestFilePartition {

	@Test
	public void test() {
		long len = 10;
		
		long bufferSize = 1024 * 8;
		long bufferCount = (len + bufferSize - 1) / bufferSize;
		Assert.assertThat(bufferCount, is(1L));
	}
	
	@Test
	public void test2() {
		long len = 1024 * 8;
		
		long bufferSize = 1024 * 8;
		long bufferCount = (len + bufferSize - 1) / bufferSize;
		Assert.assertThat(bufferCount, is(1L));
	}
	
	@Test
	public void test3() {
		long len = 1024 * 8 + 1;
		
		long bufferSize = 1024 * 8;
		long bufferCount = (len + bufferSize - 1) / bufferSize;
		Assert.assertThat(bufferCount, is(2L));
	}
	
	@Test
	public void test4() {
		long len = 1024 * 8 * 5;
		
		long bufferSize = 1024 * 8;
		long bufferCount = (len + bufferSize - 1) / bufferSize;
		Assert.assertThat(bufferCount, is(5L));
	}
	
	@Test
	public void test6() {
		long len = 1024 * 8 * 5 + 100;
		
		long bufferSize = 1024 * 8;
		long bufferCount = (len + bufferSize - 1) / bufferSize;
		Assert.assertThat(bufferCount, is(6L));
	}
}