Add test for JSONCompareUtil

carterpage · carterpage · commit 46c02f71f353 · 2013-06-16T18:17:58.000-04:00
diff --git a/src/test/java/org/skyscreamer/jsonassert/comparator/JSONCompareUtilTest.java b/src/test/java/org/skyscreamer/jsonassert/comparator/JSONCompareUtilTest.java
@@ -0,0 +1,40 @@
+package org.skyscreamer.jsonassert.comparator;
+
+import junit.framework.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Test JSONCompareUtil
+ *
+ * @author Carter Page <carter@skyscreamer.org>
+ */
+public class JSONCompareUtilTest {
+    @Test
+    public void testGetCardinalityMap() {
+        final int NUM_A = 76;
+        final int NUM_B = 3;
+        final int NUM_C = 0;
+        final int NUM_D = 1;
+        final int NUM_E = 2;
+
+        List<String> listToTest = new ArrayList<String>(NUM_A + NUM_B + NUM_C + NUM_D + NUM_E);
+        for (int i = 0; i < NUM_A; ++i) listToTest.add("A");
+        for (int i = 0; i < NUM_B; ++i) listToTest.add("B");
+        for (int i = 0; i < NUM_C; ++i) listToTest.add("C");
+        for (int i = 0; i < NUM_D; ++i) listToTest.add("D");
+        for (int i = 0; i < NUM_E; ++i) listToTest.add("E");
+        Collections.shuffle(listToTest);
+
+        Map<String, Integer> cardinalityMap = JSONCompareUtil.getCardinalityMap(listToTest);
+        Assert.assertEquals(NUM_A, cardinalityMap.get("A").intValue());
+        Assert.assertEquals(NUM_B, cardinalityMap.get("B").intValue());
+        Assert.assertNull(cardinalityMap.get("C"));
+        Assert.assertEquals(NUM_D, cardinalityMap.get("D").intValue());
+        Assert.assertEquals(NUM_E, cardinalityMap.get("E").intValue());
+    }
+}
