1 files changed, 103 insertions, 0 deletions
diff --git a/AlgoDesignAndTechniqueEdxJava/tests/MaxPairProductTest.java b/AlgoDesignAndTechniqueEdxJava/tests/MaxPairProductTest.java
new file mode 100644
index 0000000..7f0b313
--- /dev/null
+++ b/AlgoDesignAndTechniqueEdxJava/tests/MaxPairProductTest.java
@@ -0,0 +1,103 @@
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+
+public class MaxPairProductTest {
+
+	@Test
+	void testMaxPairProductSize() {
+		MaxPairProduct mpp = new MaxPairProduct(5);
+		assertEquals(5, mpp.getCount());
+	}
+
+	@Test
+	void testMaxPairProductBiggest0() {
+		MaxPairProduct mpp = new MaxPairProduct(1);
+		assertEquals(0, mpp.getBiggest());
+	}
+
+	@Test
+	void testMaxPairProductBigger0() {
+		MaxPairProduct mpp = new MaxPairProduct(1);
+		assertEquals(0, mpp.getBigger());
+	}
+
+	@Test
+	void testMaxPairProductNewNumber1() {
+		MaxPairProduct mpp = new MaxPairProduct(1);
+		mpp.newNumber(1);
+		assertEquals(0, mpp.getBigger());
+		assertEquals(1, mpp.getBiggest());
+		assertEquals(1, mpp.getProduct());
+	}
+
+	@Test
+	void testMaxPairProductNewNumber2() {
+		MaxPairProduct mpp = new MaxPairProduct(2);
+		mpp.newNumber(1);
+		mpp.newNumber(1);
+		assertEquals(1, mpp.getBigger());
+		assertEquals(1, mpp.getBiggest());
+		assertEquals(1, mpp.getProduct());
+	}
+
+	@Test
+	void testMaxPairProductNewNumber2_1() {
+		MaxPairProduct mpp = new MaxPairProduct(2);
+		mpp.newNumber(1);
+		mpp.newNumber(2);
+		assertEquals(1, mpp.getBigger());
+		assertEquals(2, mpp.getBiggest());
+		assertEquals(2, mpp.getProduct());
+	}
+
+	@Test
+	void testMaxPairProductNewNumber3() {
+		MaxPairProduct mpp = new MaxPairProduct(3);
+		mpp.newNumber(1);
+		mpp.newNumber(2);
+		mpp.newNumber(2);
+		assertEquals(2, mpp.getBigger());
+		assertEquals(2, mpp.getBiggest());
+		assertEquals(4, mpp.getProduct());
+	}
+
+	@Test
+	void testMaxPairProductNewNumber3_1() {
+		MaxPairProduct mpp = new MaxPairProduct(3);
+		mpp.newNumber(1);
+		mpp.newNumber(2);
+		mpp.newNumber(3);
+		assertEquals(2, mpp.getBigger());
+		assertEquals(3, mpp.getBiggest());
+		assertEquals(6, mpp.getProduct());
+	}
+
+	@Test
+	void testMaxPairProductNewNumber10() {
+		MaxPairProduct mpp = new MaxPairProduct(10);
+		mpp.newNumber(7);
+		mpp.newNumber(5);
+		mpp.newNumber(14);
+		mpp.newNumber(2);
+		mpp.newNumber(8);
+		mpp.newNumber(8);
+		mpp.newNumber(10);
+		mpp.newNumber(1);
+		mpp.newNumber(2);
+		mpp.newNumber(3);
+		assertEquals(140, mpp.getProduct());
+	}
+
+	@Test
+	void testMaxPairProductNewNumber2_2() {
+		MaxPairProduct mpp = new MaxPairProduct(2);
+		mpp.newNumber(100000);
+		mpp.newNumber(90000);
+		assertEquals(90000, mpp.getBigger());
+		assertEquals(100000, mpp.getBiggest());
+		assertEquals(9000000000L, mpp.getProduct());
+	}
+
+}