BAEL-3602 : Added test for formatted()

core-java-modules/core-java-13/src/test/java/com/baeldung/newfeatures/TextBlocksUnitTest.java

@@ -6,11 +6,13 @@ import org.junit.Test;
 
 public class TextBlocksUnitTest {
 
+    private static final String JSON_STRING = "{\r\n" + "\"name\" : \"Baeldung\",\r\n" + "\"website\" : \"https://www.%s.com/\"\r\n" + "}";
+
     @SuppressWarnings("preview")
     private static final String TEXT_BLOCK_JSON = """
             {
             "name" : "Baeldung",
-            "website" : "https://www.baeldung.com/"
+            "website" : "https://www.%s.com/"
             }
         """;
 
@@ -22,4 +24,16 @@ public class TextBlocksUnitTest {
         assertThat(TEXT_BLOCK_JSON.length()).isGreaterThan(0);
 
     }
+
+    @SuppressWarnings("removal")
+    @Test
+    public void whenTextBlocks_thenFormattedWorksAsFormat() {
+        assertThat(TEXT_BLOCK_JSON.formatted("baeldung")
+            .contains("www.baeldung.com")).isTrue();
+
+        assertThat(String.format(JSON_STRING, "baeldung")
+            .contains("www.baeldung.com")).isTrue();
+
+    }
+   
 }