Probando a agregar tests xD

test/danielcortes/xyz/utils/NaturalOrderComparatorTest.java

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+/*
+ * MIT License
+ *
+ * Copyright (c) 2018-2019 Daniel Cortes
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package danielcortes.xyz.utils;
+
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestInstance;
+
+import java.util.ArrayList;
+import java.util.Collections;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+class NaturalOrderComparatorTest {
+    private ArrayList<String> original;
+    private ArrayList<String> toCompare;
+    private ArrayList<String> lexicographic;
+    private ArrayList<String> natural;
+
+    @BeforeAll
+    void setUp(){
+        original = new ArrayList<>();
+        original.add("1");
+        original.add("10");
+        original.add("100");
+        original.add("3");
+        original.add("101");
+        original.add("10000");
+        original.add("100000");
+
+        toCompare = new ArrayList<>(original);
+
+        lexicographic = new ArrayList<>();
+        lexicographic.add("1");
+        lexicographic.add("10");
+        lexicographic.add("100");
+        lexicographic.add("101");
+        lexicographic.add("10000");
+        lexicographic.add("100000");
+        lexicographic.add("3");
+
+        natural = new ArrayList<>();
+        natural.add("1");
+        natural.add("3");
+        natural.add("10");
+        natural.add("100");
+        natural.add("101");
+        natural.add("10000");
+        natural.add("100000");
+
+        Collections.shuffle(toCompare);
+    }
+
+    @Test
+    void testIfArraySortIsCorrect(){
+        assertNotEquals(toCompare, original);
+
+        NaturalOrderComparator comparator = new NaturalOrderComparator();
+        toCompare.sort(comparator);
+
+        assertEquals(toCompare, natural);
+        assertNotEquals(toCompare, lexicographic);
+        assertNotEquals(toCompare, original);
+
+    }
+}

test/danielcortes/xyz/utils/StringUtilsTest.java

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+/*
+ * MIT License
+ *
+ * Copyright (c) 2018-2019 Daniel Cortes
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package danielcortes.xyz.utils;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class StringUtilsTest {
+
+    @Test
+    void testIfUpercasedCorrectly() {
+        assertEquals("Barycentric", StringUtils.capitalize("barycentric"));
+        assertEquals("Showcased", StringUtils.capitalize("showcased"));
+        assertEquals("Failures", StringUtils.capitalize("failures"));
+        assertEquals("Scroogie", StringUtils.capitalize("scroogie"));
+    }
+}