Add JsonPathAssertionsTest isEqualTo with @nullable

Signed-off-by: khope <[email protected]>

Author: khope

spring-test/src/test/java/org/springframework/test/web/servlet/client/JsonPathAssertionTests.java

@@ -19,6 +19,7 @@
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
+import java.util.LinkedHashMap
 
 import org.junit.jupiter.api.Test;
 
@@ -192,6 +193,14 @@ void isArray() {
 				.jsonPath("$.composers").isArray();
 	}
 
+	@Test
+	void isEqualToWithNull() {
+		client.get().uri("/music/null")
+				.exchange()
+				.expectBody()
+				.jsonPath("$.value").isEqualTo(null);
+	}
+
 	@RestController
 	private static class MusicController {
 		@GetMapping("/music/instruments")
@@ -213,6 +222,12 @@ public MultiValueMap<String, Person> get() {
 
 			return map;
 		}
+		@GetMapping("/music/null")
+		public Map<String, Object> getNull() {
+			Map<String, Object> map = new LinkedHashMap<>();
+			map.put("value", null);
+			return map;
+		}
 	}
 
 }