Simplified asserts in unit tests.

Author: javadev

src/test/java/g0001_0100/s0039_combination_sum/SolutionTest.java

@@ -23,8 +23,6 @@ public void combinationSum() {
 
         List<List<Integer>> actual = new Solution().combinationSum(new int[] {2, 3, 6, 7}, 7);
 
-        for (int i = 0; i < expected.size(); i++) {
-            assertThat(actual.get(i).toArray(), equalTo(expected.get(i).toArray()));
-        }
+        assertThat(actual, equalTo(expected));
     }
 }

src/test/java/g0001_0100/s0049_group_anagrams/SolutionTest.java

@@ -20,10 +20,6 @@ public void groupAnagrams() {
                 new Solution()
                         .groupAnagrams(new String[] {"eat", "tea", "tan", "ate", "nat", "bat"});
 
-        for (int i = 0; i < expected.size(); i++) {
-            for (int j = 0; j < expected.get(i).size(); j++) {
-                assertThat(actual.get(i).get(j), equalTo(expected.get(i).get(j)));
-            }
-        }
+        assertThat(actual, equalTo(expected));
     }
 }

src/test/java/g0001_0100/s0051_n_queens/SolutionTest.java

@@ -16,10 +16,6 @@ public void solveNQueens() {
         expected.add(Arrays.asList(".Q..", "...Q", "Q...", "..Q."));
         expected.add(Arrays.asList("..Q.", "Q...", "...Q", ".Q.."));
 
-        for (int i = 0; i < expected.size(); i++) {
-            for (int j = 0; j < expected.get(i).size(); j++) {
-                assertThat(actual.get(i).get(j), equalTo(expected.get(i).get(j)));
-            }
-        }
+        assertThat(actual, equalTo(expected));
     }
 }