Add failing test for #795 (#808)

Author: cowtowncoder

src/test/java/tools/jackson/dataformat/xml/tofix/ElementWrapperWithCreator795Test.java

@@ -0,0 +1,84 @@
+package tools.jackson.dataformat.xml.tofix;
+
+import java.util.List;
+
+import org.junit.jupiter.api.Test;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+
+import tools.jackson.dataformat.xml.XmlTestUtil;
+import tools.jackson.dataformat.xml.annotation.JacksonXmlElementWrapper;
+import tools.jackson.dataformat.xml.annotation.JacksonXmlProperty;
+import tools.jackson.dataformat.xml.testutil.failure.JacksonTestFailureExpected;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+// [dataformat-xml#795] Element wrapper not applied with creator-based deserialization
+public class ElementWrapperWithCreator795Test extends XmlTestUtil
+{
+    static class HttpHeader {
+        private String name;
+        private String value;
+
+        protected HttpHeader() { }
+        public HttpHeader(String name, String value) {
+            this.name = name;
+            this.value = value;
+        }
+
+        public String getName() { return name; }
+        public void setName(String n) { name = n; }
+        public String getValue() { return value; }
+        public void setValue(String v) { value = v; }
+    }
+
+    // Creator-based (immutable) class: wrapper + creator triggers name mismatch
+    static class Config {
+        @JacksonXmlElementWrapper(localName = "httpHeaders")
+        @JacksonXmlProperty(localName = "property")
+        final List<HttpHeader> httpHeaders;
+
+        @JsonCreator(mode = JsonCreator.Mode.PROPERTIES)
+        public Config(
+                @JacksonXmlElementWrapper(localName = "httpHeaders")
+                @JacksonXmlProperty(localName = "property")
+                List<HttpHeader> httpHeaders)
+        {
+            this.httpHeaders = httpHeaders;
+        }
+
+        public List<HttpHeader> getHttpHeaders() { return httpHeaders; }
+    }
+
+    private static final String XML =
+            "<Config>"
+            + "<httpHeaders>"
+            + "<property>"
+            + "<name>X-JFrog-Art-Api</name>"
+            + "<value>myApiToken</value>"
+            + "</property>"
+            + "</httpHeaders>"
+            + "</Config>";
+
+    @Test
+    public void testSerializeWithWrapper() throws Exception
+    {
+        Config config = new Config(List.of(new HttpHeader("X-JFrog-Art-Api", "myApiToken")));
+        String xml = newMapper().writeValueAsString(config);
+        assertEquals(XML, xml);
+    }
+
+    // Deserialization fails: XmlBeanDeserializerModifier renames property to wrapper name
+    // ("httpHeaders") but creator property retains original name ("property"), causing mismatch.
+    @JacksonTestFailureExpected
+    @Test
+    public void testDeserializeWithWrapper() throws Exception
+    {
+        Config result = newMapper().readValue(XML, Config.class);
+        assertNotNull(result.getHttpHeaders());
+        assertEquals(1, result.getHttpHeaders().size());
+        assertEquals("X-JFrog-Art-Api", result.getHttpHeaders().get(0).getName());
+        assertEquals("myApiToken", result.getHttpHeaders().get(0).getValue());
+    }
+}