1 files changed, 101 insertions, 0 deletions
diff --git a/vid-app-common/src/test/java/org/onap/vid/testUtils/IntersectionTest.java b/vid-app-common/src/test/java/org/onap/vid/testUtils/IntersectionTest.java
new file mode 100644
index 000000000..c766d26f3
--- /dev/null
+++ b/vid-app-common/src/test/java/org/onap/vid/testUtils/IntersectionTest.java
@@ -0,0 +1,101 @@
+package org.onap.vid.testUtils;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.onap.vid.utils.Intersection;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by moriya1 on 10/10/2017.
+ */
+public class IntersectionTest {
+
+    @Test
+    public void testFourArrays(){
+        List<String> l1 = new ArrayList<String>();
+        l1.add("1");
+        l1.add("2");
+
+        List<String> l2 = new ArrayList<String>();
+        l2.add("2");
+        l2.add("3");
+
+        List<String> l3 = new ArrayList<String>();
+        l3.add("2");
+        l3.add("4");
+
+        List<String> l4 = new ArrayList<String>();
+        l4.add("2");
+        l4.add("5");
+
+        List<List<String>> all = new ArrayList<>();
+        all.add(l1);
+        all.add(l2);
+        all.add(l3);
+        all.add(l4);
+        Intersection<String> m = new Intersection<>();
+        List<String> ans = m.intersectMultipileArray(all);
+        Assert.assertEquals(1,ans.size());
+        Assert.assertEquals(ans.get(0),"2");
+
+    }
+
+
+
+    @Test
+    public void testTwoArrays(){
+        List<String> l1 = new ArrayList<String>();
+        l1.add("1");
+        l1.add("2");
+
+        List<String> l2 = new ArrayList<String>();
+        l2.add("2");
+        l2.add("3");
+
+        List<List<String>> all = new ArrayList<>();
+        all.add(l1);
+        all.add(l2);
+        Intersection<String> m = new Intersection<>();
+        List<String> l3 = m.intersectMultipileArray(all);
+        Assert.assertEquals(l3.size(),1);
+        Assert.assertEquals(l3.get(0),"2");
+
+    }
+
+
+    @Test
+    public void testNoIntersection(){
+        List<String> l1 = new ArrayList<String>();
+        l1.add("1");
+        l1.add("2");
+
+        List<String> l2 = new ArrayList<String>();
+        l2.add("3");
+        l2.add("4");
+
+        List<List<String>> all = new ArrayList<>();
+        all.add(l1);
+        all.add(l2);
+        Intersection<String> m = new Intersection<>();
+        List<String> l3 = m.intersectMultipileArray(all);
+        Assert.assertEquals(l3.size(),0);
+
+    }
+
+    @Test
+    public void testOneArrays(){
+        List<String> l1 = new ArrayList<String>();
+        l1.add("1");
+        l1.add("2");
+        List<List<String>> all = new ArrayList<>();
+        all.add(l1);
+        Intersection<String> m = new Intersection<>();
+        List<String> l3 = m.intersectMultipileArray(all);
+        Assert.assertEquals(l3.size(),2);
+        Assert.assertEquals(l3.get(0),"1");
+        Assert.assertEquals(l3.get(1),"2");
+
+    }
+}