13.12-13.13

hashtables/src/test/java/CollatzConjectureTest.java

@@ -0,0 +1,22 @@
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class CollatzConjectureTest {
+
+    private boolean expected;
+    private int n;
+
+    @Test
+    public void testCollatzConjecture() throws Exception {
+        expected = true;
+        n = 10000;
+
+        test(expected, n);
+    }
+
+    private void test(boolean expected, int n) {
+        assertEquals(expected, CollatzConjecture.testCollatzConjecture(n));
+    }
+
+}

hashtables/src/test/java/ComputeStringDecompositionsTest.java

@@ -0,0 +1,33 @@
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.Assert.*;
+
+public class ComputeStringDecompositionsTest {
+
+    private List<String> expected;
+    private String s;
+    private List<String> words;
+
+    @Test
+    public void findAllSubstring1() throws Exception {
+        expected = Arrays.asList(
+                "aplanacan",
+                "canaplana"
+        );
+        s = "amanaplanacanalcanaplanaalpmna";
+        words = Arrays.asList(
+                "can",
+                "apl",
+                "ana"
+        );
+
+        test(expected, s, words);
+    }
+
+    private void test(List<String> expected, String s, List<String> words) {
+        AssertUtils.assertSameContents(expected, ComputeStringDecompositions.findAllSubstring(s, words));
+    }
+}