Added tests

Author: javadev

src/test/java/g3701_3800/s3723_maximize_sum_of_squares_of_digits/SolutionTest.java

@@ -20,4 +20,52 @@ void maxSumOfSquares2() {
     void maxSumOfSquares3() {
         assertThat(new Solution().maxSumOfSquares(1, 10), equalTo(""));
     }
+
+    @Test
+    void maxSumOfSquares4() {
+        // sum = 27 → nines = 3
+        // places = 2 < 3 → should return ""
+        String result = new Solution().maxSumOfSquares(2, 27);
+        assertThat(result, equalTo(""));
+    }
+
+    @Test
+    void maxSumOfSquares5() {
+        // sum = 28 → nines = 3, remSum = 1
+        // places = 3 == nines and remSum > 0 → should return ""
+        String result = new Solution().maxSumOfSquares(3, 28);
+        assertThat(result, equalTo(""));
+    }
+
+    @Test
+    void maxSumOfSquares6() {
+        // sum = 27 → nines = 3, remSum = 0
+        // places = 3 == nines and remSum == 0 → should return "999"
+        String result = new Solution().maxSumOfSquares(3, 27);
+        assertThat(result, equalTo("999"));
+    }
+
+    @Test
+    void maxSumOfSquares7() {
+        // sum = 10 → nines = 1, remSum = 1
+        // ans = "9" + "1" = "91", length = 2, places = 2 → no padding
+        String result = new Solution().maxSumOfSquares(2, 10);
+        assertThat(result, equalTo("91"));
+    }
+
+    @Test
+    void maxSumOfSquares8() {
+        // sum = 10 → nines = 1, remSum = 1
+        // ans = "9" + "1" = "91", length = 2, places = 4 → add two zeros
+        String result = new Solution().maxSumOfSquares(4, 10);
+        assertThat(result, equalTo("9100"));
+    }
+
+    @Test
+    void maxSumOfSquares9() {
+        // sum = 5 → nines = 0, remSum = 5 → ans = "5"
+        // places = 3 → add two zeros
+        String result = new Solution().maxSumOfSquares(3, 5);
+        assertThat(result, equalTo("500"));
+    }
 }