From ba7efbcc438f68db207b166edbc77535edac8ba0 Mon Sep 17 00:00:00 2001
From: Kevin Wittek <kiview@users.noreply.github.com>
Date: Sun, 19 Aug 2018 02:34:47 +0200
Subject: [PATCH] Example for removing first element of array (BAEL-2029)
 (#4970)

* Example for removing first element of array (BAEL-2029)

* Use AssertJ assertions

* Move array test to collections module.

* Remove redundant test
---
 .../RemoveFirstElementUnitTest.java           | 11 +++++
 .../array/RemoveFirstElementUnitTest.java     | 42 -------------------
 2 files changed, 11 insertions(+), 42 deletions(-)
 delete mode 100644 core-java/src/test/java/com/baeldung/array/RemoveFirstElementUnitTest.java

diff --git a/core-java-collections/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java b/core-java-collections/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java
index 09f0bb248c..f2b1bd9d88 100644
--- a/core-java-collections/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java
+++ b/core-java-collections/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java
@@ -4,6 +4,7 @@ import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.*;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
 
@@ -48,4 +49,14 @@ public class RemoveFirstElementUnitTest {
         assertThat(linkedList, not(contains("cat")));
     }
 
+    @Test
+    public void givenStringArray_whenRemovingFirstElement_thenArrayIsSmallerAndElementRemoved() {
+        String[] stringArray = {"foo", "bar", "baz"};
+
+        String[] modifiedArray = Arrays.copyOfRange(stringArray, 1, stringArray.length);
+
+        assertThat(modifiedArray.length, is(2));
+        assertThat(modifiedArray[0], is("bar"));
+    }
+
 }
diff --git a/core-java/src/test/java/com/baeldung/array/RemoveFirstElementUnitTest.java b/core-java/src/test/java/com/baeldung/array/RemoveFirstElementUnitTest.java
deleted file mode 100644
index 7d11016d7f..0000000000
--- a/core-java/src/test/java/com/baeldung/array/RemoveFirstElementUnitTest.java
+++ /dev/null
@@ -1,42 +0,0 @@
-package com.baeldung.array;
-
-import org.junit.Test;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.LinkedList;
-import java.util.List;
-
-import static org.assertj.core.api.Assertions.assertThat;
-
-public class RemoveFirstElementUnitTest {
-
-    @Test
-    public void givenStringArray_whenRemovingFirstElement_thenArrayIsSmallerAndElementRemoved() {
-        String[] stringArray = {"foo", "bar", "baz"};
-
-        String[] modifiedArray = Arrays.copyOfRange(stringArray, 1, stringArray.length);
-
-        assertThat(modifiedArray.length).isEqualTo(2);
-        assertThat(modifiedArray[0]).isEqualTo("bar");
-    }
-
-    @Test
-    public void givenArrayList_whenRemovingFirstElement_thenListSmallerAndElementRemoved() {
-        List<String> stringList = new ArrayList<>(Arrays.asList("foo", "bar", "baz"));
-        stringList.remove(0);
-
-        assertThat(stringList.size()).isEqualTo(2);
-        assertThat(stringList.get(0)).isEqualTo("bar");
-    }
-
-    @Test
-    public void givenLinkedList_whenRemovingFirstElement_thenListSmallerAndElementRemoved() {
-        List<String> stringList = new LinkedList<>(Arrays.asList("foo", "bar", "baz"));
-        stringList.remove(0);
-
-        assertThat(stringList.size()).isEqualTo(2);
-        assertThat(stringList.get(0)).isEqualTo("bar");
-    }
-
-}