Test

Author: jbradley

src/test/java/problems/impl/InverseMultiplierListProductSumGeneratorImplTest.java

@@ -0,0 +1,29 @@
+package problems.impl;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import problems.interfaces.InverseMultiplierListProductSumGenerator;
+
+public class InverseMultiplierListProductSumGeneratorImplTest {
+
+  private final InverseMultiplierListProductSumGenerator inverseMultiplierListProductSumGenerator = new InverseMultiplierListProductSumGeneratorImpl();
+
+  @Test
+  public void testExpected() {
+    try {
+      inverseMultiplierListProductSumGenerator.generateInverseMultiplierListProductSum(null);
+      Assert.fail();
+    } catch (IllegalArgumentException e) {
+      // expected
+    }
+    Assert.assertEquals(inverseMultiplierListProductSumGenerator.generateInverseMultiplierListProductSum(new ArrayList<>()), 0);
+    Assert.assertEquals(inverseMultiplierListProductSumGenerator.generateInverseMultiplierListProductSum(new ArrayList<>(
+        Arrays.asList(10))), 10);
+    Assert.assertEquals(inverseMultiplierListProductSumGenerator.generateInverseMultiplierListProductSum(new ArrayList<>(
+        Arrays.asList(1, 2, 3))), 10);
+  }
+}