Merge branch 'master' into testing/MinStackUsingTwoStacks

Author: DenizAltunkapan

src/test/java/com/thealgorithms/maths/AbsoluteValueTest.java

@@ -12,4 +12,28 @@ public class AbsoluteValueTest {
     void testGetAbsValue() {
         Stream.generate(() -> ThreadLocalRandom.current().nextInt()).limit(1000).forEach(number -> assertEquals(Math.abs(number), AbsoluteValue.getAbsValue(number)));
     }
+
+    @Test
+    void testZero() {
+        assertEquals(0, AbsoluteValue.getAbsValue(0));
+    }
+
+    @Test
+    void testPositiveNumbers() {
+        assertEquals(5, AbsoluteValue.getAbsValue(5));
+        assertEquals(123456, AbsoluteValue.getAbsValue(123456));
+        assertEquals(Integer.MAX_VALUE, AbsoluteValue.getAbsValue(Integer.MAX_VALUE));
+    }
+
+    @Test
+    void testNegativeNumbers() {
+        assertEquals(5, AbsoluteValue.getAbsValue(-5));
+        assertEquals(123456, AbsoluteValue.getAbsValue(-123456));
+        assertEquals(Integer.MAX_VALUE, AbsoluteValue.getAbsValue(-Integer.MAX_VALUE));
+    }
+
+    @Test
+    void testMinIntEdgeCase() {
+        assertEquals(Integer.MIN_VALUE, AbsoluteValue.getAbsValue(Integer.MIN_VALUE));
+    }
 }

src/test/java/com/thealgorithms/maths/BinaryPowTest.java

@@ -13,4 +13,34 @@ void testBinPow() {
         assertEquals(729, BinaryPow.binPow(9, 3));
         assertEquals(262144, BinaryPow.binPow(8, 6));
     }
+
+    @Test
+    void testZeroExponent() {
+        assertEquals(1, BinaryPow.binPow(2, 0));
+        assertEquals(1, BinaryPow.binPow(100, 0));
+        assertEquals(1, BinaryPow.binPow(-5, 0));
+    }
+
+    @Test
+    void testZeroBase() {
+        assertEquals(0, BinaryPow.binPow(0, 5));
+        assertEquals(1, BinaryPow.binPow(0, 0));
+    }
+
+    @Test
+    void testOneBase() {
+        assertEquals(1, BinaryPow.binPow(1, 100));
+        assertEquals(1, BinaryPow.binPow(1, 0));
+    }
+
+    @Test
+    void testNegativeBase() {
+        assertEquals(-8, BinaryPow.binPow(-2, 3));
+        assertEquals(16, BinaryPow.binPow(-2, 4));
+    }
+
+    @Test
+    void testLargeExponent() {
+        assertEquals(1073741824, BinaryPow.binPow(2, 30));
+    }
 }