diff --git a/src/test/java/BubbleSortTest.java b/src/test/java/BubbleSortTest.java
new file mode 100644
index 0000000..c7ca252
--- /dev/null
+++ b/src/test/java/BubbleSortTest.java
@@ -0,0 +1,39 @@
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+
+import org.junit.jupiter.api.Test;
+import edu.ifrs.vvs.BubbleSort;
+
+public class BubbleSortTest {
+
+    private BubbleSort bubbleSort = new BubbleSort();
+
+    //notação test pra indicar o método
+    //zero elementos
+    @Test
+    public void nadaComNenhum() {
+        int[] valores = {};
+        bubbleSort.sort(valores);
+    }
+
+    //um elemento
+    @Test
+    public void nadaComUm(){
+        int[] valores = {2};
+
+        bubbleSort.sort(valores);
+        assertArrayEquals(new int[] {2}, valores);
+
+    }
+
+    @Test
+    public void sortValores(){
+        int[] valores = {0, 200, -3, 14, 100};
+        int[] ordemEsperada = {-3, 0, 14, 100, 200};
+
+        bubbleSort.sort(valores);
+        assertArrayEquals(ordemEsperada, valores);
+    }
+
+}
+
+//ao concluir, ir para o erlenmeyer (extensão de teste)
\ No newline at end of file
diff --git a/src/test/java/edu/ifrs/vvs/AppTest.java b/src/test/java/edu/ifrs/vvs/AppTest.java
deleted file mode 100644
index 9677aa5..0000000
--- a/src/test/java/edu/ifrs/vvs/AppTest.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/**
- * @License
- * Copyright 2020 Bubble Sort Application
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package edu.ifrs.vvs;
-
-import org.junit.jupiter.api.Test;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
-
-/**
- * Unit test for simple App.
- */
-class AppTest {
-    /**
-     * Rigorous Test.
-     */
-    @Test
-    void testApp() {
-        assertEquals(1, 1);
-    }
-}