1000 % ;)

src/main/java/se/cygni/palmithor/tdd/StringUtils.java

@@ -4,7 +4,28 @@ public class StringUtils {
 
 
     public boolean isPalindrome(final String str) {
-        throw new RuntimeException("Not yet implemented");
+        if(str == null)
+            return false;
+        if(str.isEmpty() && str.isBlank())
+            return true;
+
+        String strCopy = new StringBuilder(str).reverse().toString();
+
+        if(strCopy.equalsIgnoreCase(str))
+            return true;
+        return false;
+/*
+
+
+        boolean result = false;
+
+        if (str == null) {
+            result = false;
+        }
+
+        if (str.equals("")) result = false;
+
+        return  result;*/
     }
 
 
@@ -15,6 +36,6 @@ public boolean isPalindrome(final String str) {
      * @return true if str is null, empty or whitespace only, otherwise false
      */
     public boolean isBlank(final String str) {
-        throw new RuntimeException("Not yet implemented");
+        return str == null || str.isEmpty() || str.equals("") || str.trim().isEmpty();
     }
 }

src/test/java/se/cygni/palmithor/tdd/CalculatorTest.java

@@ -1,6 +1,7 @@
 package se.cygni.palmithor.tdd;
 
 
+import org.junit.Ignore;
 import org.junit.Test;
 
 import java.util.Optional;
@@ -12,9 +13,57 @@ public class CalculatorTest {
     private Calculator calculator = new Calculator();
 
     @Test
-    public void test() {
-        assertThat(calculator.sumAll().get()).isEqualTo(1); // TODO failing on purpose please fix
+    public void testEmptyParamList() {
+
+        assertThat(calculator.sumAll().get()).isEqualTo(0); // TODO failing on purpose please fix
+
     }
 
+    @Test
+    public void testNullParamList() {
+
+        assertThat(calculator.sumAll(null)).isEqualTo(Optional.empty()); // TODO failing on purpose please fix
+
+    }
+
+    @Test
+    public void testParamListWithOneParam() {
+
+        assertThat(calculator.sumAll(5).get()).isEqualTo(5); // TODO failing on purpose please fix
 
+    }
+
+    @Test
+    public void testParamListWithThreeParams() {
+
+        assertThat(calculator.sumAll(5, 1, 2).get()).isEqualTo(8); // TODO failing on purpose please fix
+
+    }
+
+    @Test
+    public void testParamListWithNegativeParam() {
+
+        assertThat(calculator.sumAll(-5, -1, 3).get()).isEqualTo(-3); // TODO failing on purpose please fix
+
+    }
+
+    @Test
+    public void testParamListWithIntegerParam() {
+
+        assertThat(calculator.sumAll(Integer.parseInt("5")).get()).isEqualTo(5); // TODO failing on purpose please fix
+
+    }
+    @Test
+    public void testParamListWithMaxIntParam() {
+
+        assertThat(calculator.sumAll(Integer.MAX_VALUE).get()).isEqualTo(Integer.MAX_VALUE); // TODO failing on purpose please fix
+    }
+
+    @Test
+    @Ignore
+    public void testParamListWithParam() {
+
+        assertThat(calculator.sumAll(Integer.MAX_VALUE, Integer.MAX_VALUE).get()).isEqualTo(Integer.MAX_VALUE); // TODO failing on purpose please fix
+
+    }
 }

src/test/java/se/cygni/palmithor/tdd/StringUtilsTest.java

@@ -11,10 +11,10 @@ public class StringUtilsTest {
 
     @Test
     public void isPalindrome() {
-        assertThat(stringUtils.isPalindrome("aabb")).isFalse();
         assertThat(stringUtils.isPalindrome(null)).isFalse();
-        assertThat(stringUtils.isPalindrome("NotEvenClose")).isFalse();
         assertThat(stringUtils.isPalindrome("")).isTrue();
+        assertThat(stringUtils.isPalindrome("aabb")).isFalse();
+        assertThat(stringUtils.isPalindrome("NotEvenClose")).isFalse();
         assertThat(stringUtils.isPalindrome("abba")).isTrue();
         assertThat(stringUtils.isPalindrome("tattarrattat")).isTrue();
     }
@@ -24,6 +24,15 @@ public void isPalindrome() {
      */
     @Test
     public void isBlank() {
-        // stringUtils.isBlank()
+        assertThat(stringUtils.isBlank("     ")).isTrue();
+        assertThat(stringUtils.isBlank("")).isTrue();
+        assertThat(stringUtils.isBlank(null)).isTrue();
+        assertThat(stringUtils.isBlank("mjjjouu")).isFalse();
+        assertThat(stringUtils.isBlank(" hej")).isFalse();
+        assertThat(stringUtils.isBlank(" \n")).isTrue();
+        assertThat(stringUtils.isBlank(" \t")).isTrue();
+
+
+
     }
 }