Added MirrorOfMatrix.java (#4461)

* Added MirrorOfMatrix.java * Fixing Linting Issue * Fixing Linting Issue * Fixing Linting Issue * Fixing Linting Issue * Fixing Linting Issue * Fixing Linting Issue * Fixing Linting Issue * Fixing Linting Issue * Changes Done * Update src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Changes Done * Added MirrorOfMatrixTest.java * Added MirrorOfMatrixTest.java * Linting Error in Test * Linting Error in Test * Linting Error in Test * trying to fix build error * trying to fix build error * final * Update src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Update src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Update src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Update src/test/java/com/thealgorithms/misc/MirrorOfMatrixTest.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Update src/test/java/com/thealgorithms/misc/MirrorOfMatrixTest.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Update src/test/java/com/thealgorithms/misc/MirrorOfMatrixTest.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Changing Description * Final * Update src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Final * Update src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Changes * Changes * Linting Issue * Linting Issue * Linting Issue * Changes * Fixing Minor Linting Issue * Fixing Minor Linting Issue * Final * Update src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Changes * Linting Issue * Linting Issue * Linting Issue * Linting Issue * Update src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Update src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Update src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> * Changes * Changes * fix: use proper size in `checkInput` * style: basic linting --------- Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com> Co-authored-by: vil02 <vil02@o2.pl>
2025-07-28 23:15:17 +08:00 · 2023-10-03 22:12:56 +05:30
parent 9795bada90
commit 329cc3bcf9
2 changed files with 110 additions and 0 deletions
--- a/src/test/java/com/thealgorithms/misc/MirrorOfMatrixTest.java
+++ b/src/test/java/com/thealgorithms/misc/MirrorOfMatrixTest.java
@ -0,0 +1,53 @@
+package com.thealgorithms.misc;
+
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import org.junit.jupiter.api.Test;
+
+class MirrorOfMatrixTest {
+
+    @Test
+    void testMirrorMatrixRegularMatrix() {
+        int[][] originalMatrix = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
+        int[][] expectedMirrorMatrix = {{3, 2, 1}, {6, 5, 4}, {9, 8, 7}};
+        int[][] mirroredMatrix = MirrorOfMatrix.mirrorMatrix(originalMatrix);
+        assertArrayEquals(expectedMirrorMatrix, mirroredMatrix);
+    }
+
+    @Test
+    void testMirrorMatrixEmptyMatrix() {
+        int[][] originalMatrix = {};
+        int[][] expectedMirrorMatrix = {};
+        int[][] mirroredMatrix = MirrorOfMatrix.mirrorMatrix(originalMatrix);
+        assertArrayEquals(expectedMirrorMatrix, mirroredMatrix);
+    }
+
+    @Test
+    void testMirrorMatrixSingleElementMatrix() {
+        int[][] originalMatrix = {{42}};
+        int[][] expectedMirrorMatrix = {{42}};
+        int[][] mirroredMatrix = MirrorOfMatrix.mirrorMatrix(originalMatrix);
+        assertArrayEquals(expectedMirrorMatrix, mirroredMatrix);
+    }
+
+    @Test
+    void testMirrorMatrixMultipleRowsOneColumnMatrix() {
+        int[][] originalMatrix = {{1}, {2}, {3}, {4}};
+        int[][] expectedMirrorMatrix = {{1}, {2}, {3}, {4}};
+        int[][] mirroredMatrix = MirrorOfMatrix.mirrorMatrix(originalMatrix);
+        assertArrayEquals(expectedMirrorMatrix, mirroredMatrix);
+    }
+
+    @Test
+    void testMirrorMatrixNullInput() {
+        int[][] originalMatrix = null;
+        assertNull(MirrorOfMatrix.mirrorMatrix(originalMatrix));
+    }
+
+    @Test
+    void testMirrotMarixThrows() {
+        assertThrows(IllegalArgumentException.class, () -> MirrorOfMatrix.mirrorMatrix(new int[][] {{1}, {2, 3}}));
+    }
+}