BAEL-4387 Change Module

java-collections-conversions-2/src/test/java/com/baeldung/arrayconversion/ArrayToListConversionUnitTest.java

@@ -0,0 +1,35 @@
+package com.baeldung.arrayconversion;
+
+import org.hamcrest.CoreMatchers;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.Assert.assertArrayEquals;
+
+public class ArrayToListConversionUnitTest {
+
+    @Test(expected = UnsupportedOperationException.class)
+    public void givenAnArray_whenConvertingToList_returnUnmodifiableListUnitTest() {
+        String[] stringArray = new String[] { "A", "B", "C", "D" };
+        List<String> stringList = Arrays.asList(stringArray);
+        stringList.set(0, "E");
+        assertThat(stringList, CoreMatchers.hasItems("E", "B", "C", "D"));
+        assertArrayEquals(stringArray, new String[] { "E", "B", "C", "D" });
+        stringList.add("F");
+    }
+
+    @Test
+    public void givenAnArray_whenConvertingToList_returnModifiableListUnitTest() {
+        String[] stringArray = new String[] { "A", "B", "C", "D" };
+        List<String> stringList = new ArrayList<>(Arrays.asList(stringArray));
+        stringList.set(0, "E");
+        assertThat(stringList, CoreMatchers.hasItems("E", "B", "C", "D"));
+        assertArrayEquals(stringArray, new String[] { "A", "B", "C", "D" });
+        stringList.add("F");
+        assertThat(stringList, CoreMatchers.hasItems("E", "B", "C", "D", "F"));
+    }
+}