Improved tasks 438, 617

Author: javadev

src.save/test/java/g0401_0500/s0438_find_all_anagrams_in_a_string/SolutionTest.java

@@ -11,4 +11,9 @@ class SolutionTest {
     void findAnagrams() {
         assertThat(new Solution().findAnagrams("cbaebabacd", "abc"), equalTo(Arrays.asList(0, 6)));
     }
+
+    @Test
+    void findAnagrams2() {
+        assertThat(new Solution().findAnagrams("abab", "ab"), equalTo(Arrays.asList(0, 1, 2)));
+    }
 }

src.save/test/java/g0601_0700/s0617_merge_two_binary_trees/SolutionTest.java

@@ -14,4 +14,11 @@ void mergeTrees() {
         TreeNode root2 = TreeNode.create(Arrays.asList(2, 1, 3, null, 4, null, 7));
         assertThat(new Solution().mergeTrees(root1, root2).toString(), equalTo("3,4,5,4,5,null,7"));
     }
+
+    @Test
+    void mergeTrees2() {
+        TreeNode root1 = TreeNode.create(Arrays.asList(1));
+        TreeNode root2 = TreeNode.create(Arrays.asList(1, 2));
+        assertThat(new Solution().mergeTrees(root1, root2).toString(), equalTo("2,2,null"));
+    }
 }