Fixed warnings in the unit tests (aalhour#63)

Author: CloneDeath

UnitTest/DataStructuresTests/BinarySearchTreeTest.cs

@@ -22,8 +22,8 @@ public static void AssertTreeWithDuplicatesElements()
             // Insert values with duplicates
             binarySearchTree.Insert(values);
 
-            // ASSERT COUNT = 20 (allows duplicates)
-            Assert.Equal(binarySearchTree.Count, 21);
+            // ASSERT COUNT = 21 (allows duplicates)
+            Assert.Equal(21, binarySearchTree.Count);
 
             // Test contains/find
             Assert.True(binarySearchTree.Contains(10), "Wrong element.");
@@ -86,7 +86,7 @@ public static void AssertTreeWithDuplicatesElements()
 
             var enumerator = binarySearchTree.GetInOrderEnumerator();
             enumerator.MoveNext();
-            Assert.Equal(enumerator.Current, 7);
+            Assert.Equal(7, enumerator.Current);
 
             enumerator.MoveNext();
             enumerator.MoveNext();

UnitTest/DataStructuresTests/TrieMapTest.cs

@@ -68,8 +68,8 @@ public static void DoTest()
             // Assert there are only two words under the prefix "acti" -> active, & acting
             var someActiWords = trieMap.SearchByPrefix("acti").Select(item => item.Key).ToList<string>();
             Assert.Equal(2, someActiWords.Count);
-            Assert.True(someActiWords.Contains(word_acting));
-            Assert.True(someActiWords.Contains(word_active));
+            Assert.Contains(word_acting, someActiWords);
+            Assert.Contains(word_active, someActiWords);
 
             // Assert that "acto" is not a word
             Assert.False(trieMap.ContainsWord("acto"));
@@ -123,8 +123,8 @@ public static void DoTest()
             Assert.Equal(8, trieMap.Count);
 
             someActiWords = trieMap.SearchByPrefix("acti").Select(item => item.Key).ToList<string>();
-            Assert.Equal(1, someActiWords.Count);
-            Assert.True(someActiWords.Contains(word_active));
+            Assert.Single(someActiWords);
+            Assert.Contains(word_active, someActiWords);
 
             //
             // TEST ENUMERATOR

UnitTest/DataStructuresTests/TrieTest.cs

@@ -68,8 +68,8 @@ public static void DoTest()
             // Assert there are only two words under the prefix "acti" -> active, & acting
             var someActiWords = trie.SearchByPrefix("acti").ToList<string>();
             Assert.True(someActiWords.Count == 2);
-            Assert.True(someActiWords.Contains(word_acting));
-            Assert.True(someActiWords.Contains(word_active));
+            Assert.Contains(word_acting, someActiWords);
+            Assert.Contains(word_active, someActiWords);
 
             // Assert that "acto" is not a word
             Assert.False(trie.ContainsWord("acto"));
@@ -119,7 +119,7 @@ public static void DoTest()
 
             someActiWords = trie.SearchByPrefix("acti").ToList<string>();
             Assert.True(someActiWords.Count == 1);
-            Assert.True(someActiWords.Contains(word_active));
+            Assert.Contains(word_active, someActiWords);