Rewrite list mirroring function and add test

1 files changed, 28 insertions, 12 deletions

diff --git a/test/ch/epfl/xblast/ListsTest.java b/test/ch/epfl/xblast/ListsTest.java
index 42b317f..0a2f5f9 100644
--- a/test/ch/epfl/xblast/ListsTest.java
+++ b/test/ch/epfl/xblast/ListsTest.java
@@ -1,26 +1,42 @@
 package ch.epfl.xblast;
 
-import java.util.List;
-import java.util.Arrays;
-import static org.junit.Assert.*;
 import org.junit.Test;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+import static org.junit.Assert.assertEquals;
+
 /**
-* @author Pacien TRAN-GIRARD (261948)
-* @author Timothée FLOURE (257420)
-*/
+ * @author Pacien TRAN-GIRARD (261948)
+ * @author Timothée FLOURE (257420)
+ */
 public class ListsTest {
-    @Test(expected=IllegalArgumentException.class)
+
+    @Test(expected = IllegalArgumentException.class)
     public void isEmptyListThrowingException() {
-        List<Integer> sampleList = Arrays.asList();
-        Lists.<Integer>mirrored(sampleList);
+        List<Integer> emptyList = new ArrayList<>();
+        Lists.mirrored(emptyList);
     }
 
     @Test
     public void isListMirrored() {
-        List<Integer> sampleList = Arrays.asList(1,2,3,4,5);
-        List<Integer> expected = Arrays.asList(1,2,3,4,5,4,3,2,1);
+        List<Integer> sampleList = Arrays.asList(1, 2, 3, 4, 5);
+        List<Integer> expected = Arrays.asList(1, 2, 3, 4, 5, 4, 3, 2, 1);
+
+        assertEquals(expected, Lists.mirrored(sampleList));
+    }
 
-        assertEquals(expected, Lists.<Integer>mirrored(sampleList));
+    @Test
+    public void mirrorElementsAreEqual() {
+        List<Integer> sampleList = IntStream.range(0, 10).boxed().collect(Collectors.toList());
+        List<Integer> mirrored = Lists.mirrored(sampleList);
+
+        for (int i = 0; i < mirrored.size() / 2; ++i)
+            assertEquals(mirrored.get(i), mirrored.get(mirrored.size() - 1 - i));
     }
+
 }