Create PascalTriangleTest.java

hs094 · web-flow · commit 4f420f92cc97 · 2021-12-11T23:52:54.000+05:30
diff --git a/src/test/java/com/thealgorithms/maths/PascalTriangleTest.java b/src/test/java/com/thealgorithms/maths/PascalTriangleTest.java
@@ -0,0 +1,39 @@
+
+package com.thealgorithms.maths;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ArrayLeftRotationTest {
+
+	@Test
+	void testForOne() {
+		int[][] result = PascalTriangle.pascal(1);
+    int[][] expected = {{1}};
+		assertArrayEquals(result,expected);
+	}
+
+	@Test
+	void testForTwo() {
+		int[][] result = PascalTriangle.pascal(2);
+    int[][] expected = {{1,0},{1,1}};
+		assertArrayEquals(result,expected);
+	}
+
+	@Test
+	void testForFive() {
+		int[][] result = PascalTriangle.pascal(5);
+    int[][] expected = {{1,0,0,0,0},{1,1,0,0,0},{1,2,1,0,0},{1,3,3,1,0},{1,4,6,4,1}};
+		assertArrayEquals(result,expected);
+	}
+
+	@Test
+	void testForEight() {
+		int[][] result = PascalTriangle.pascal(1);
+    int[][] expected = {{1,0,0,0,0,0,0,0},{1,1,0,0,0,0,0,0},{1,2,1,0,0,0,0,0},{1,3,3,1,0,0,0,0},{1,4,6,4,1,0,0,0},{1,5,10,10,5,1,0,0},{1,6,15,20,15,6,1,0},{1,7,21,35,35,21,7,1}};
+		assertArrayEquals(expected, result);
+	}
+
+
+}
