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Add FloorTest and clean-up Floor (#4769)

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Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Ricardo Ramos <0102016812@grupotel.corp>
This commit is contained in:
Ricardo Ramos
2023-10-11 18:21:53 -03:00
committed by GitHub
parent 152e29034d
commit e9bbf35ff9
3 changed files with 114 additions and 28 deletions
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11
src/main/java/com/thealgorithms/maths/Floor.java
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@ -1,15 +1,8 @@
package com.thealgorithms.maths;
import java.util.Random;
public final class Floor {
public class Floor {
public static void main(String[] args) {
Random random = new Random();
for (int i = 1; i <= 1000; ++i) {
double randomNumber = random.nextDouble();
assert floor(randomNumber) == Math.floor(randomNumber);
}
private Floor() {
}
/**

28
src/test/java/com/thealgorithms/maths/FloorTest.java Normal file
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@ -0,0 +1,28 @@
package com.thealgorithms.maths;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
public class FloorTest {
@Test
public void testFloorWholeNumber() {
assertEquals(0, Floor.floor(0));
assertEquals(1, Floor.floor(1));
assertEquals(-1, Floor.floor(-1));
assertEquals(42, Floor.floor(42));
assertEquals(-42, Floor.floor(-42));
}
@Test
public void testFloorDoubleNumber() {
assertEquals(0, Floor.floor(0.1));
assertEquals(1, Floor.floor(1.9));
assertEquals(-2, Floor.floor(-1.1));
assertEquals(-43, Floor.floor(-42.7));
}
@Test
public void testFloorNegativeZero() {
assertEquals(-0.0, Floor.floor(-0.0));
}
}