/**
* Copyright 2011-2017 Asakusa Framework Team.
*
* 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.asakusafw.runtime.value;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import java.io.DataOutput;
import java.io.DataOutputStream;
import java.math.BigDecimal;
import org.apache.hadoop.io.DataInputBuffer;
import org.apache.hadoop.io.IOUtils.NullOutputStream;
import org.junit.Test;
/**
* Test for {@link DecimalOption}.
*/
@SuppressWarnings("deprecation")
public class DecimalOptionTest extends ValueOptionTestRoot {
/**
* test for initial state.
*/
@Test
public void init() {
DecimalOption option = new DecimalOption();
assertThat(option.isNull(), is(true));
}
/**
* test for get.
*/
@Test
public void get() {
DecimalOption option = new DecimalOption();
option.modify(decimal(100));
assertThat(option.get(), is(decimal(100)));
assertThat(option.isNull(), is(false));
}
/**
* test for or w/ null.
*/
@Test
public void or() {
DecimalOption option = new DecimalOption();
assertThat(option.or(decimal(30)), is(decimal(30)));
assertThat(option.isNull(), is(true));
}
/**
* test for or w/ present value.
*/
@Test
public void orNotNull() {
DecimalOption option = new DecimalOption();
option.modify(decimal(100));
assertThat(option.or(decimal(30)), is(decimal(100)));
}
/**
* test for copyFrom.
*/
@Test
public void copy() {
DecimalOption option = new DecimalOption();
DecimalOption other = new DecimalOption();
other.modify(decimal(50));
option.copyFrom(other);
assertThat(option.get(), is(decimal(50)));
option.modify(decimal(0));
assertThat(other.get(), is(decimal(50)));
}
/**
* test for copyFrom w/ null.
*/
@Test
public void copyNull() {
DecimalOption option = new DecimalOption();
option.modify(decimal(100));
DecimalOption other = new DecimalOption();
option.copyFrom(other);
assertThat(option.isNull(), is(true));
option.modify(decimal(100));
option.copyFrom(null);
assertThat(option.isNull(), is(true));
}
/**
* test for comapre.
*/
@Test
public void compareTo() {
DecimalOption a = new DecimalOption();
DecimalOption b = new DecimalOption();
DecimalOption c = new DecimalOption();
DecimalOption d = new DecimalOption();
DecimalOption e = new DecimalOption();
a.modify(decimal(-10));
b.modify(decimal(0));
c.modify(decimal(50));
d.modify(decimal(-10));
e.modify(decimal(-30));
assertThat(compare(a, b), lessThan(0));
assertThat(compare(b, c), lessThan(0));
assertThat(compare(c, a), greaterThan(0));
assertThat(compare(a, c), lessThan(0));
assertThat(compare(b, a), greaterThan(0));
assertThat(compare(c, b), greaterThan(0));
assertThat(compare(a, d), is(0));
assertThat(compare(a, e), greaterThan(0));
}
/**
* test for compare w/ different scales.
*/
@Test
public void compareTo_scale() {
DecimalOption a1 = new DecimalOption();
DecimalOption a2 = new DecimalOption();
DecimalOption b1 = new DecimalOption();
DecimalOption b2 = new DecimalOption();
DecimalOption c1 = new DecimalOption();
DecimalOption c2 = new DecimalOption();
DecimalOption d1 = new DecimalOption();
DecimalOption d2 = new DecimalOption();
a1.modify(decimal("10000000."));
a2.modify(decimal("10000000.0"));
b1.modify(decimal("1."));
b2.modify(decimal("1.0000000"));
c1.modify(decimal("0.0000001"));
c2.modify(decimal("0.00000010"));
d1.modify(decimal("-1."));
d2.modify(decimal("-1.0000000"));
assertThat(compare(a1, a2), equalTo(0));
assertThat(compare(b1, b2), equalTo(0));
assertThat(compare(c1, c2), equalTo(0));
assertThat(compare(d1, d2), equalTo(0));
assertThat(compare(a1, b1), greaterThan(0));
assertThat(compare(a1, b2), greaterThan(0));
assertThat(compare(a1, c1), greaterThan(0));
assertThat(compare(a1, c2), greaterThan(0));
assertThat(compare(b1, c1), greaterThan(0));
assertThat(compare(b1, c2), greaterThan(0));
assertThat(compare(b1, a1), lessThan(0));
assertThat(compare(b1, a2), lessThan(0));
assertThat(compare(c1, a1), lessThan(0));
assertThat(compare(c1, a2), lessThan(0));
assertThat(compare(c1, b1), lessThan(0));
assertThat(compare(c1, b2), lessThan(0));
}
/**
* test for compare w/ null.
*/
@Test
public void compareNull() {
DecimalOption a = new DecimalOption();
DecimalOption b = new DecimalOption();
DecimalOption c = new DecimalOption();
a.modify(decimal(Long.MIN_VALUE));
assertThat(compare(a, b), greaterThan(0));
assertThat(compare(b, a), lessThan(0));
assertThat(compare(b, c), is(0));
}
/**
* test for Writable.
*/
@Test
public void write() {
DecimalOption option = new DecimalOption();
option.modify(decimal("3.14"));
DecimalOption restored = restore(option);
assertThat(restored.get(), is(option.get()));
}
/**
* test for Writable w/ max.
*/
@Test
public void write_max() {
DecimalOption option = new DecimalOption();
option.modify(decimal(Long.MAX_VALUE).add(decimal(Long.MAX_VALUE)));
DecimalOption restored = restore(option);
assertThat(restored.get(), is(option.get()));
}
/**
* test for Writable w/ min.
*/
@Test
public void write_min() {
DecimalOption option = new DecimalOption();
option.modify(decimal(Long.MIN_VALUE).add(decimal(Long.MAX_VALUE)));
DecimalOption restored = restore(option);
assertThat(restored.get(), is(option.get()));
}
/**
* test for Writable w/ null.
*/
@Test
public void writeNull() {
DecimalOption option = new DecimalOption();
DecimalOption restored = restore(option);
assertThat(restored.isNull(), is(true));
}
/**
* heavy write.
* @throws Exception if failed
*/
@Test
public void stress_write() throws Exception {
int count = 10000000;
DecimalOption option = new DecimalOption(new BigDecimal("3.14"));
DataOutput out = new DataOutputStream(new NullOutputStream());
for (int i = 0; i < count; i++) {
option.write(out);
}
}
/**
* heavy read.
* @throws Exception if failed
*/
@Test
public void stress_read() throws Exception {
int count = 10000000;
DecimalOption value = new DecimalOption(new BigDecimal("3.14"));
byte[] bytes = toBytes(value);
DecimalOption buf = new DecimalOption();
DataInputBuffer in = new DataInputBuffer();
for (int i = 0; i < count; i++) {
in.reset(bytes, bytes.length);
buf.readFields(in);
if (i == 0) {
assertThat(buf, is(value));
}
}
}
/**
* heavy read.
* @throws Exception if failed
*/
@Test
public void stress_read_large() throws Exception {
int count = 10000000;
DecimalOption value = new DecimalOption(new BigDecimal(Long.MAX_VALUE).multiply(BigDecimal.TEN));
byte[] bytes = toBytes(value);
DecimalOption buf = new DecimalOption();
DataInputBuffer in = new DataInputBuffer();
for (int i = 0; i < count; i++) {
in.reset(bytes, bytes.length);
buf.readFields(in);
if (i == 0) {
assertThat(buf, is(value));
}
}
}
/**
* heavy restore.
* @throws Exception if failed
*/
@Test
public void stress_restore() throws Exception {
int count = 10000000;
DecimalOption value = new DecimalOption(new BigDecimal("3.14"));
byte[] bytes = toBytes(value);
DecimalOption buf = new DecimalOption();
for (int i = 0; i < count; i++) {
buf.restore(bytes, 0, bytes.length);
if (i == 0) {
assertThat(buf, is(value));
}
}
}
/**
* heavy restore.
* @throws Exception if failed
*/
@Test
public void stress_restore_large() throws Exception {
int count = 10000000;
DecimalOption value = new DecimalOption(new BigDecimal(Long.MAX_VALUE).multiply(BigDecimal.TEN));
byte[] bytes = toBytes(value);
DecimalOption buf = new DecimalOption();
for (int i = 0; i < count; i++) {
buf.restore(bytes, 0, bytes.length);
if (i == 0) {
assertThat(buf, is(value));
}
}
}
/**
* heavy compare bytes.
* @throws Exception if failed
*/
@Test
public void stress_compareBytes_same_scale() throws Exception {
int count = 10000000;
byte[] a = toBytes(new DecimalOption(new BigDecimal("3.14")));
byte[] b = toBytes(new DecimalOption(new BigDecimal("1.41")));
for (int i = 0; i < count; i++) {
DecimalOption.compareBytes(a, 0, a.length, b, 0, b.length);
}
}
/**
* heavy compare bytes.
* @throws Exception if failed
*/
@Test
public void stress_compareBytes_diff_scale() throws Exception {
int count = 10000000;
byte[] a = toBytes(new DecimalOption(new BigDecimal("3.14")));
byte[] b = toBytes(new DecimalOption(new BigDecimal("1.414")));
for (int i = 0; i < count; i++) {
DecimalOption.compareBytes(a, 0, a.length, b, 0, b.length);
}
}
private BigDecimal decimal(long value) {
return new BigDecimal(value);
}
private BigDecimal decimal(String value) {
return new BigDecimal(value);
}
}