1 files changed, 43 insertions, 0 deletions
diff --git a/framework/src/onos/utils/misc/src/test/java/org/onlab/graph/DisjointPathPairTest.java b/framework/src/onos/utils/misc/src/test/java/org/onlab/graph/DisjointPathPairTest.java
new file mode 100644
index 00000000..ca6c56c4
--- /dev/null
+++ b/framework/src/onos/utils/misc/src/test/java/org/onlab/graph/DisjointPathPairTest.java
@@ -0,0 +1,43 @@
+package org.onlab.graph;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.testing.EqualsTester;
+
+/**
+ * Test of DisjointPathPair.
+ */
+public class DisjointPathPairTest {
+
+    private static final TestVertex A = new TestVertex("A");
+    private static final TestVertex B = new TestVertex("B");
+    private static final TestVertex C = new TestVertex("C");
+    private static final TestVertex D = new TestVertex("D");
+
+    private static final TestEdge AB = new TestEdge(A, B, 1.0);
+    private static final TestEdge BC = new TestEdge(B, C, 1.0);
+    private static final TestEdge AD = new TestEdge(A, D, 1.0);
+    private static final TestEdge DC = new TestEdge(D, C, 1.0);
+
+    private static final Path<TestVertex, TestEdge> ABC
+                            = new DefaultPath<>(ImmutableList.of(AB, BC), 1.0);
+    private static final Path<TestVertex, TestEdge> ADC
+                            = new DefaultPath<>(ImmutableList.of(AD, DC), 1.0);
+
+    @Test
+    public void testSwappingPrimarySecondaryDoesntImpactHashCode() {
+        assertEquals(new DisjointPathPair<>(ABC, ADC).hashCode(),
+                     new DisjointPathPair<>(ADC, ABC).hashCode());
+    }
+
+    @Test
+    public void testSwappingPrimarySecondaryDoesntImpactEquality() {
+        new EqualsTester()
+            .addEqualityGroup(new DisjointPathPair<>(ABC, ADC),
+                              new DisjointPathPair<>(ADC, ABC));
+    }
+
+}