created an additional oop class & tests

src/test/java/rocks/zipcode/io/quiz4/collections/simplestringgroup/ToStringTest.java

@@ -1,7 +0,0 @@
-package rocks.zipcode.io.quiz4.collections.simplestringgroup;
-
-/**
- * @author leon on 11/12/2018.
- */
-public class ToStringTest {
-}

src/test/java/rocks/zipcode/io/quiz4/collections/simplestringgroup/WhereTest.java

@@ -1,7 +0,0 @@
-package rocks.zipcode.io.quiz4.collections.simplestringgroup;
-
-/**
- * @author leon on 11/12/2018.
- */
-public class WhereTest {
-}

src/test/java/rocks/zipcode/io/quiz4/fundamentals/palindromeevaluator/PalindromeEvaluatorGetAllPalindromesTest.java

@@ -0,0 +1,52 @@
+package rocks.zipcode.io.quiz4.fundamentals.palindromeevaluator;
+
+import org.junit.Test;
+import rocks.zipcode.io.quiz4.fundamentals.PalindromeEvaluator;
+import rocks.zipcode.io.quiz4.objectorientation.PalindromeObject;
+import rocks.zipcode.io.quiz4.utils.TestUtils;
+
+/**
+ * @author leon on 11/12/2018.
+ */
+public class PalindromeEvaluatorGetAllPalindromesTest {
+    @Test
+    public void test1() {
+        // given
+        String input = "racecar";
+        String[] expected = new String[]{"a", "aceca", "c", "cec", "e", "r", "racecar"};
+        test(input, expected);
+    }
+
+    @Test
+    public void test2() {
+        // given
+        String input = "redder";
+        String[] expected = new String[]{"d", "dd", "e", "edde", "r", "redder"};
+        test(input, expected);
+    }
+
+
+    @Test
+    public void test3() {
+        // given
+        String input = "rotor";
+        String[] expected = new String[]{"o", "oto", "r", "rotor", "t"};
+        test(input, expected);
+    }
+
+    @Test
+    public void test4() {
+        // given
+        String input = "civic";
+        String[] expected = new String[]{"c", "civic", "i", "ivi", "v"};
+        test(input, expected);
+    }
+
+    public void test(String input, String... expected) {
+        // when
+        String[] actual = PalindromeEvaluator.getAllPalindromes(input);
+
+        // then
+        TestUtils.assertArrayEquals(expected, actual);
+    }
+}

src/test/java/rocks/zipcode/io/quiz4/fundamentals/palindromeevaluator/PalindromeEvaluatorIsPalindromeTestNegative.java

@@ -0,0 +1,30 @@
+package rocks.zipcode.io.quiz4.fundamentals.palindromeevaluator;
+
+import org.junit.Assert;
+import org.junit.Test;
+import rocks.zipcode.io.quiz4.fundamentals.PalindromeEvaluator;
+import rocks.zipcode.io.quiz4.objectorientation.PalindromeObject;
+
+/**
+ * @author leon on 18/12/2018.
+ */
+public class PalindromeEvaluatorIsPalindromeTestNegative {
+    @Test
+    public void test1() {
+        test("Racecar");
+    }
+
+    @Test
+    public void test2() {
+        test("Redder");
+    }
+
+    @Test
+    public void test3() {
+        test("Redrum murder");
+    }
+
+    public void test(String input) {
+        Assert.assertTrue(PalindromeEvaluator.isPalindrome(input));
+    }
+}

src/test/java/rocks/zipcode/io/quiz4/fundamentals/palindromeevaluator/PalindromeEvaluatorIsPalindromeTestPositive.java

@@ -0,0 +1,35 @@
+package rocks.zipcode.io.quiz4.fundamentals.palindromeevaluator;
+
+import org.junit.Assert;
+import org.junit.Test;
+import rocks.zipcode.io.quiz4.fundamentals.PalindromeEvaluator;
+import rocks.zipcode.io.quiz4.objectorientation.PalindromeObject;
+
+/**
+ * @author leon on 18/12/2018.
+ */
+public class PalindromeEvaluatorIsPalindromeTestPositive {
+    @Test
+    public void test1() {
+        test("racecar");
+    }
+
+    @Test
+    public void test2() {
+        test("racEcar");
+    }
+    
+    @Test
+    public void test3() {
+        test("redder");
+    }
+    
+    @Test
+    public void test4() {
+        test("redrum murder");
+    }
+    
+    public void test(String input) {
+        Assert.assertTrue(PalindromeEvaluator.isPalindrome(input));
+    }
+}

src/test/java/rocks/zipcode/io/quiz4/fundamentals/palindromeevaluator/PalindromeEvaluatorReverseTest.java

@@ -0,0 +1,36 @@
+package rocks.zipcode.io.quiz4.fundamentals.palindromeevaluator;
+
+import org.junit.Assert;
+import org.junit.Test;
+import rocks.zipcode.io.quiz4.fundamentals.PalindromeEvaluator;
+import rocks.zipcode.io.quiz4.objectorientation.PalindromeObject;
+
+/**
+ * @author leon on 18/12/2018.
+ */
+public class PalindromeEvaluatorReverseTest {
+    @Test
+    public void test1() {
+        test("leon", "noel");
+    }
+
+    @Test
+    public void test2() {
+        test("Jerry", "yrreJ");
+    }
+
+    @Test
+    public void test3() {
+        test("KJack", "kcaJK");
+    }
+
+    @Test
+    public void test4() {
+        test("redrum murder", "redrum murder");
+    }
+
+    public void test(String input, String expected) {
+        String actual = PalindromeEvaluator.reverseString(input);
+        Assert.assertEquals(expected, actual);
+    }
+}

src/test/java/rocks/zipcode/io/quiz4/generics/group/integergroup/IntegerGroupWhereTest.java

@@ -1,7 +0,0 @@
-package rocks.zipcode.io.quiz4.generics.group.integergroup;
-
-/**
- * @author leon on 11/12/2018.
- */
-public class IntegerGroupWhereTest {
-}

src/test/java/rocks/zipcode/io/quiz4/generics/sortedgroup/integersortedgroup/IntegerSortedGroupDeleteTest.java

@@ -7,6 +7,7 @@ import rocks.zipcode.io.quiz4.generics.SortedGroup;
 /**
  * @author leon on 11/12/2018.
  */
+@SuppressWarnings("all")
 public class IntegerSortedGroupDeleteTest {
     @Test
     public void test1() {

src/test/java/rocks/zipcode/io/quiz4/generics/sortedgroup/stringsortedgroup/StringSortedGroupDeleteTest.java

@@ -7,6 +7,7 @@ import rocks.zipcode.io.quiz4.generics.SortedGroup;
 /**
  * @author leon on 11/12/2018.
  */
+@SuppressWarnings("all")
 public class StringSortedGroupDeleteTest {
     @Test
     public void test1() {