add more tests for 1556

fishercoder1534 · fishercoder1534 · commit 19ac520871e0 · 2020-08-22T09:56:39.000-07:00
diff --git a/src/test/java/com/fishercoder/_1556Test.java b/src/test/java/com/fishercoder/_1556Test.java
@@ -19,4 +19,19 @@ public void test1() {
         assertEquals("987", solution1.thousandSeparator(987));
     }
 
+    @Test
+    public void test2() {
+        assertEquals("1.234", solution1.thousandSeparator(1234));
+    }
+
+    @Test
+    public void test3() {
+        assertEquals("0", solution1.thousandSeparator(0));
+    }
+
+    @Test
+    public void test4() {
+        assertEquals("123.456.789", solution1.thousandSeparator(123456789));
+    }
+
 }
