feat: add tests for main exercises and configure dependency in pom.xml

pom.xml

@@ -14,4 +14,26 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
+    <dependencies>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>5.11.4</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-surefire-plugin</artifactId>
+                    <version>3.5.2</version>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
+
+
 </project>

src/test/java/TestPartitions.java

@@ -0,0 +1,65 @@
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+
+public class TestPartitions {
+    static Exercises ex;
+
+    @BeforeAll
+    static void setUp() {
+        ex = new Exercises();
+    }
+
+    @Test
+    void testPartition0() {
+        int[][] expected = {
+                {1}
+        };
+        assertArrayEquals(expected, ex.intPartitions(1));
+    }
+
+    @Test
+    void testPartition1() {
+        int[][] expected = {
+                {4},
+                {3, 1},
+                {2, 2},
+                {2, 1, 1},
+                {1, 1, 1, 1}
+        };
+        assertArrayEquals(expected, ex.intPartitions(4));
+    }
+
+    @Test
+    void testPartition2() {
+        int[][] expected = {
+                {5},
+                {4, 1},
+                {3, 2},
+                {3, 1, 1},
+                {2, 2, 1},
+                {2, 1, 1, 1},
+                {1, 1, 1, 1, 1}
+        };
+        assertArrayEquals(expected, ex.intPartitions(5));
+    }
+
+    @Test
+    void testPartition3() {
+        int[][] expected = {
+                {6},
+                {5, 1},
+                {4, 2},
+                {4, 1, 1},
+                {3, 3},
+                {3, 2, 1},
+                {3, 1, 1, 1},
+                {2, 2, 2},
+                {2, 2, 1, 1},
+                {2, 1, 1, 1, 1},
+                {1, 1, 1, 1, 1, 1}
+        };
+        assertArrayEquals(expected, ex.intPartitions(6));
+    }
+}

src/test/java/TestTraversal.java

@@ -0,0 +1,66 @@
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+
+public class TestTraversal {
+    static Exercises ex;
+
+    @BeforeAll
+    static void setUp() {
+        ex = new Exercises();
+    }
+
+    @Test
+    void testTraverse0() {
+        int[][] nums = {
+                {1, 2, 3, 4, 5}
+        };
+        int rows = 1;
+        int cols = 5;
+        int[] expected = {1, 2, 3, 4, 5};
+        assertArrayEquals(expected, ex.spiralTraversal(nums, rows, cols));
+    }
+
+    @Test
+    void testTraverse1() {
+        int[][] nums = {
+                {1, 2, 3},
+                {4, 5, 6},
+                {7, 8, 9},
+                {10, 11, 12}
+        };
+        int rows = 4;
+        int cols = 3;
+        int[] expected = {1, 2, 3, 6, 9, 12, 11, 10, 7, 4, 5, 8};
+        assertArrayEquals(expected, ex.spiralTraversal(nums, rows, cols));
+    }
+
+    @Test
+    void testTraverse2() {
+        int[][] nums = {
+                {1, 2, 3, 4},
+                {5, 6, 7, 8}
+        };
+        int rows = 2;
+        int cols = 4;
+        int[] expected = {1, 2, 3, 4, 8, 7, 6, 5};
+        assertArrayEquals(expected, ex.spiralTraversal(nums, rows, cols));
+    }
+
+    @Test
+    void testTraverse3() {
+        int[][] nums = {
+                {1, 2, 3, 4, 5, 6},
+                {7, 8, 9, 10, 11, 12},
+                {13, 14, 15, 16, 17, 18},
+                {19, 20, 21, 22, 23, 24},
+                {25, 26, 27, 28, 29, 30}
+        };
+        int rows = 5;
+        int cols = 6;
+        int[] expected = {1, 2, 3, 4, 5, 6, 12, 18, 24, 30, 29, 28, 27, 26, 25, 19, 13, 7, 8, 9, 10, 11, 17, 23, 22, 21,
+                20, 14, 15, 16};
+        assertArrayEquals(expected, ex.spiralTraversal(nums, rows, cols));
+    }
+}

src/test/java/TestTriangle.java

@@ -0,0 +1,54 @@
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+
+public class TestTriangle {
+    static Exercises ex;
+
+    @BeforeAll
+    static void setUp() {
+        ex = new Exercises();
+    }
+
+    @Test
+    void testTriangle0() {
+        char[][] expected = {
+                {'*'},
+                {'*', '*'}
+        };
+        assertArrayEquals(expected, ex.generateTriangle(2));
+    }
+
+    @Test
+    void testTriangle1() {
+        char[][] expected = {
+                {'*'},
+                {'*', '*'},
+                {'*', ' ', '*'},
+                {'*', '*', '*', '*'}
+        };
+        assertArrayEquals(expected, ex.generateTriangle(4));
+    }
+
+    @Test
+    void testTriangle2() {
+        char[][] expected = {
+                {'*'},
+                {'*', '*'},
+                {'*', ' ', '*'},
+                {'*', ' ', ' ', '*'},
+                {'*', ' ', ' ', ' ', '*'},
+                {'*', ' ', ' ', ' ', ' ', '*'},
+                {'*', ' ', ' ', ' ', ' ', ' ', '*'},
+                {'*', '*', '*', '*', '*', '*', '*', '*'}
+        };
+        assertArrayEquals(expected, ex.generateTriangle(8));
+    }
+
+    @Test
+    void testTriangle3() {
+        char[][] expected = {};
+        assertArrayEquals(expected, ex.generateTriangle(0));
+    }
+}