Unmapped source properties of the parent do not propagate to the

subclass. Test case
mapstruct · RichMacDonald · Sep 28, 2024 · Oct 1, 2024 · Sep 28, 2024 · 8d2d6537b63b01b40124673473ea1fb6e03f0de0
commit 8d2d6537b63b01b40124673473ea1fb6e03f0de0
diff --git a/processor/src/test/java/org/mapstruct/ap/test/bugs/_3248b/Issue3248aMapper.java b/processor/src/test/java/org/mapstruct/ap/test/bugs/_3248b/Issue3248aMapper.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright MapStruct Authors.
+ *
+ * Licensed under the Apache License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
+ */
+package org.mapstruct.ap.test.bugs._3248b;
+
+import org.mapstruct.BeanMapping;
+import org.mapstruct.InheritConfiguration;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+import org.mapstruct.ReportingPolicy;
+
+/**
+ * @author RichMacDonald
+ *
+ * Adding inheritance to issue 3248
+ *
+ * Unmapped source properties of the parent do not propagate to the subclass:
+ *
+ * Diagnostics: [DiagnosticDescriptor: ERROR Issue3248aMapper.java:30 Unmapped source property: "otherValue".,
+ * DiagnosticDescriptor: ERROR Issue3248aMapper.java:33 Unmapped source property: "otherValue".]]
+ */
+@Mapper(unmappedSourcePolicy = ReportingPolicy.ERROR)
+public interface Issue3248aMapper {
+
+    @BeanMapping(ignoreUnmappedSourceProperties = "otherValue")
+    Target map1(Source source);
+
+    @InheritConfiguration(name = "map1")
+    Target secondMap(Source source);
+
+    @Mapping( target = "value2", source = "value2")
+    @BeanMapping(ignoreUnmappedSourceProperties = "otherValue2")
+    Target2 map2(Source2 source2); // fails to ignore "otherValue"
+
+    @InheritConfiguration(name = "map2")
+    Target2 secondMap2(Source2 source2);
+
+    class Target {
+        protected final String value;
+
+        public Target(String value) {
+            this.value = value;
+        }
+
+        public String getValue() {
+            return value;
+        }
+    }
+
+    class Source {
+      protected final String value;
+
+        public Source(String value) {
+            this.value = value;
+        }
+
+        public String getValue() {
+            return value;
+        }
+
+        public String getOtherValue() {
+            return value;
+        }
+    }
+
+    class Target2 extends Target {
+
+      public Target2(String value, String value2) {
+          super( value );
+      }
+
+      public String getValue2() {
+          return value;
+      }
+  }
+
+    class Source2 extends Source {
+
+        public Source2(String value) {
+          super( value );
+        }
+
+        public String getValue2() {
+            return value;
+        }
+
+        public String getOtherValue2() {
+            return value;
+        }
+    }
+}
diff --git a/processor/src/test/java/org/mapstruct/ap/test/bugs/_3248b/Issue3248bTest.java b/processor/src/test/java/org/mapstruct/ap/test/bugs/_3248b/Issue3248bTest.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright MapStruct Authors.
+ *
+ * Licensed under the Apache License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
+ */
+package org.mapstruct.ap.test.bugs._3248b;
+
+import org.mapstruct.ap.testutil.IssueKey;
+import org.mapstruct.ap.testutil.ProcessorTest;
+import org.mapstruct.ap.testutil.WithClasses;
+
+/**
+ * @author Filip Hrisafov
+ */
+@IssueKey("3248")
+@WithClasses({
+    Issue3248aMapper.class
+})
+class Issue3248bTest {
+
+    @ProcessorTest
+    void shouldCompileCode() {
+
+    }
+}