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testing work in core java

This commit is contained in:
eugenp 2014-07-19 21:33:42 +03:00
parent b8fbbc3c6f
commit 0d5c627ebc
2 changed files with 273 additions and 140 deletions
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9
core-java/pom.xml
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@ -1,4 +1,5 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.baeldung</groupId>
<artifactId>core-java</artifactId>
@ -34,6 +35,12 @@
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-math3</artifactId>
<version>3.3</version>
</dependency>
<!-- web -->
<!-- marshalling -->

126
core-java/src/test/java/org/baeldung/java/CoreJavaRandomUnitTest.java Normal file
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@ -0,0 +1,126 @@
package org.baeldung.java;
import java.util.Random;
import org.apache.commons.math3.random.RandomDataGenerator;
import org.junit.Test;
public class CoreJavaRandomUnitTest {
// tests - random long
@Test
public void givenUsingPlainJava_whenGeneratingRandomLongUnbounded_thenCorrect() {
final long generatedLong = new Random().nextLong();
System.out.println(generatedLong);
}
@Test
public void givenUsingPlainJava_whenGeneratingRandomLongBounded_thenCorrect() {
final long leftLimit = 1L;
final long rightLimit = 10L;
final long generatedLong = leftLimit + (long) (Math.random() * (rightLimit - leftLimit));
System.out.println(generatedLong);
}
@Test
public void givenUsingApacheCommons_whenGeneratingRandomLongBounded_thenCorrect() {
final long leftLimit = 10L;
final long rightLimit = 100L;
final long generatedLong = new RandomDataGenerator().nextLong(leftLimit, rightLimit);
System.out.println(generatedLong);
}
// tests - random int
@Test
public void givenUsingPlainJava_whenGeneratingRandomIntegerUnbounded_thenCorrect() {
final int generatedInteger = new Random().nextInt();
System.out.println(generatedInteger);
}
@Test
public void givenUsingPlainJava_whenGeneratingRandomIntegerBounded_thenCorrect() {
final int leftLimit = 1;
final int rightLimit = 10;
final int generatedInteger = leftLimit + (int) (new Random().nextFloat() * (rightLimit - leftLimit));
System.out.println(generatedInteger);
}
@Test
public void givenUsingApache_whenGeneratingRandomIntegerBounded_thenCorrect() {
final int leftLimit = 1;
final int rightLimit = 10;
final int generatedInteger = new RandomDataGenerator().nextInt(leftLimit, rightLimit);
System.out.println(generatedInteger);
}
// tests - random float
@Test
public void givenUsingPlainJava_whenGeneratingRandomFloatUnbouned_thenCorrect() {
final float generatedFloat = new Random().nextFloat();
System.out.println(generatedFloat);
}
@Test
public void givenUsingPlainJava_whenGeneratingRandomFloatBouned_thenCorrect() {
final float leftLimit = 1F;
final float rightLimit = 10F;
final float generatedFloat = leftLimit + new Random().nextFloat() * (rightLimit - leftLimit);
System.out.println(generatedFloat);
}
@Test
public void givenUsingApache_whenGeneratingRandomFloatBounded_thenCorrect() {
final float leftLimit = 1F;
final float rightLimit = 10F;
final float randomFloat = new RandomDataGenerator().getRandomGenerator().nextFloat();
final float generatedFloat = leftLimit + randomFloat * (rightLimit - leftLimit);
System.out.println(generatedFloat);
}
// tests - random double
@Test
public void givenUsingPlainJava_whenGeneratingRandomDoubleUnbounded_thenCorrect() {
final double generatedDouble = Math.random();
System.out.println(generatedDouble);
}
@Test
public void givenUsingPlainJava_whenGeneratingRandomDoubleBounded_thenCorrect() {
final double leftLimit = 1D;
final double rightLimit = 10D;
final double generatedDouble = leftLimit + new Random().nextDouble() * (rightLimit - leftLimit);
System.out.println(generatedDouble);
}
@Test
public void givenUsingApache_whenGeneratingRandomDoubleUnbounded_thenCorrect() {
final double generatedDouble = new RandomDataGenerator().getRandomGenerator().nextDouble();
System.out.println(generatedDouble);
}
@Test
public void givenUsingApache_whenGeneratingRandomDoubleBounded_thenCorrect() {
final double leftLimit = 1D;
final double rightLimit = 100D;
final double generatedDouble = new RandomDataGenerator().nextUniform(leftLimit, rightLimit);
System.out.println(generatedDouble);
}
}