Add Records+JsonAnySetter workarounds shared in FasterXML#3439, as te…

…st cases.

src/test-jdk17/java/com/fasterxml/jackson/databind/records/RecordWithJsonAnySetterTest.java

@@ -0,0 +1,79 @@
+package com.fasterxml.jackson.databind.records;
+
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;
+import com.fasterxml.jackson.databind.testutil.DatabindTestUtil;
+import org.junit.jupiter.api.Test;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.fail;
+
+public class RecordWithJsonAnySetterTest extends DatabindTestUtil {
+
+    // Workaround mentioned in [databind#3439]
+    record RecordWithAnySetterMethod(int id, Map<String, Object> any) {
+        @JsonCreator
+        public RecordWithAnySetterMethod(@JsonProperty("id") int id) {
+            this(id, new LinkedHashMap<>());
+        }
+
+        @JsonAnySetter
+        private void updateProperty(String name, Object value) {
+            any.put(name, value);
+        }
+    }
+
+    // Workaround mentioned in [databind#3439]
+    record RecordWithAnySetterComponentAltCtor(int id, @JsonAnySetter Map<String, Object> any) {
+        @JsonCreator
+        public RecordWithAnySetterComponentAltCtor(@JsonProperty("id") int id) {
+            this(id, new LinkedHashMap<>());
+        }
+    }
+
+    // A proper one without workaround
+    record RecordWithAnySetterComponentCanonicalCtor(int id, @JsonAnySetter Map<String, Object> any) {
+    }
+
+    private final ObjectMapper MAPPER = newJsonMapper();
+
+    @Test
+    public void testDeserialize_WithAnySetterMethod() throws Exception {
+        RecordWithAnySetterMethod value = MAPPER.readValue(
+                a2q("{'id':123,'any1':'Any 1','any2':'Any 2'}"), RecordWithAnySetterMethod.class);
+
+        Map<String, Object> expectedAny = new LinkedHashMap<>();
+        expectedAny.put("any1", "Any 1");
+        expectedAny.put("any2", "Any 2");
+        assertEquals(new RecordWithAnySetterMethod(123, expectedAny), value);
+    }
+
+    @Test
+    public void testDeserialize_WithAnySetterComponent_WithAltConstructor() throws Exception {
+        try {
+            RecordWithAnySetterComponentAltCtor value = MAPPER.readValue(
+                    a2q("{'id':123,'any1':'Any 1','any2':'Any 2'}"), RecordWithAnySetterComponentAltCtor.class);
+            fail("Used to fail, but is now: " + value);
+        } catch (UnrecognizedPropertyException e) {
+            // Used to work, but stopped working starting from 2.15.0 due to [databind#3737]
+            verifyException(e, "Unrecognized field \"any1\"");
+        }
+    }
+
+    @Test
+    public void testDeserialize_WithAnySetterComponent_WithCanonicalConstructor() throws Exception {
+        RecordWithAnySetterComponentCanonicalCtor value = MAPPER.readValue(
+                a2q("{'id':123,'any1':'Any 1','any2':'Any 2'}"), RecordWithAnySetterComponentCanonicalCtor.class);
+
+        Map<String, Object> expectedAny = new LinkedHashMap<>();
+        expectedAny.put("any1", "Any 1");
+        expectedAny.put("any2", "Any 2");
+        assertEquals(new RecordWithAnySetterComponentCanonicalCtor(123, expectedAny), value);
+    }
+}