From 741cb9da501b8c6e9e5fa006e5c2c9df0b4616f8 Mon Sep 17 00:00:00 2001
From: Pacien TRAN-GIRARD
Date: Tue, 15 Mar 2016 11:51:31 +0100
Subject: Add List permutation function and its test

---
 test/ch/epfl/xblast/ListsTest.java | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'test/ch/epfl')

diff --git a/test/ch/epfl/xblast/ListsTest.java b/test/ch/epfl/xblast/ListsTest.java
index b898399..b18b05e 100644
--- a/test/ch/epfl/xblast/ListsTest.java
+++ b/test/ch/epfl/xblast/ListsTest.java
@@ -4,6 +4,7 @@ import org.junit.Test;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
@@ -48,4 +49,18 @@ public class ListsTest {
             assertEquals(mirrored.get(i), mirrored.get(mirrored.size() - 1 - i));
     }
 
+    @Test
+    public void isListPermuted() {
+        List<Integer> sampleList = Arrays.asList(1, 2, 3);
+        List<List<Integer>> expected = new LinkedList<>();
+        expected.add(Arrays.asList(1, 2, 3));
+        expected.add(Arrays.asList(2, 1, 3));
+        expected.add(Arrays.asList(2, 3, 1));
+        expected.add(Arrays.asList(1, 3, 2));
+        expected.add(Arrays.asList(3, 1, 2));
+        expected.add(Arrays.asList(3, 2, 1));
+
+        assertEquals(expected, Lists.permutations(sampleList));
+    }
+
 }
-- 
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