JAVA-625: Moved 3 articles from java-numbers-2 to java-numbers-3

java-numbers-3/src/test/java/com/baeldung/numbersinrange/RandomNumbersInARangeUnitTest.java

@@ -0,0 +1,35 @@
+package com.baeldung.numbersinrange;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+public class RandomNumbersInARangeUnitTest {
+
+    @Test
+    public void givenTheRange1To10_andUsingMathRandom_thenExpectCorrectResult() {
+        RandomNumbersInARange randomNumbersInARange = new RandomNumbersInARange();
+        int number = randomNumbersInARange.getRandomNumber(1, 10);
+
+        assertTrue(number >= 1);
+        assertTrue(number < 10);
+    }
+
+    @Test
+    public void givenTheRange1To10_andUsingRandomInts_thenExpectCorrectResult() {
+        RandomNumbersInARange randomNumbersInARange = new RandomNumbersInARange();
+        int number = randomNumbersInARange.getRandomNumberUsingInts(1, 10);
+
+        assertTrue(number >= 1);
+        assertTrue(number < 10);
+    }
+
+    @Test
+    public void givenTheRange1To10_andUsingRandomNextInt_thenExpectCorrectResult() {
+        RandomNumbersInARange randomNumbersInARange = new RandomNumbersInARange();
+        int number = randomNumbersInARange.getRandomNumberUsingNextInt(1, 10);
+
+        assertTrue(number >= 1);
+        assertTrue(number < 10);
+    }
+}