#729 added unittest for mapping property of collection to primitive

processor/src/test/java/org/mapstruct/ap/test/collection/erroneous/ErroneousCollectionMappingTest.java

@@ -56,6 +56,21 @@ public class ErroneousCollectionMappingTest {
     public void shouldFailToGenerateImplementationBetweenCollectionAndNonCollection() {
     }
 
+    @Test
+    @IssueKey("729")
+    @WithClasses({ ErroneousCollectionToPrimitivePropertyMapper.class, Source.class, Target.class })
+    @ExpectedCompilationOutcome(
+        value = CompilationResult.FAILED,
+        diagnostics = {
+            @Diagnostic(type = ErroneousCollectionToPrimitivePropertyMapper.class,
+                kind = Kind.ERROR,
+                line = 26,
+                messageRegExp = "Can't map property \"java.util.List<java.lang.String> strings\" to \"int strings\". Consider to declare/implement a mapping method: \"int map\\(java.util.List<java.lang.String> value\\)\"")
+        }
+    )
+    public void shouldFailToGenerateImplementationBetweenCollectionAndPrimitive() {
+    }
+
     @Test
     @IssueKey("417")
     @WithClasses({ EmptyItererableMappingMapper.class })

processor/src/test/java/org/mapstruct/ap/test/collection/erroneous/ErroneousCollectionToPrimitivePropertyMapper.java

@@ -0,0 +1,28 @@
+/**
+ * Copyright 2012-2016 Gunnar Morling (http://www.gunnarmorling.de/)
+ * and/or other contributors as indicated by the @authors tag. See the
+ * copyright.txt file in the distribution for a full listing of all
+ * contributors.
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.mapstruct.ap.test.collection.erroneous;
+
+import org.mapstruct.Mapper;
+
+@Mapper
+public interface ErroneousCollectionToPrimitivePropertyMapper {
+
+    Target mapCollectionToNonCollectionAsProperty(Source source);
+
+}

processor/src/test/java/org/mapstruct/ap/test/collection/erroneous/Source.java

@@ -0,0 +1,34 @@
+/**
+ * Copyright 2012-2016 Gunnar Morling (http://www.gunnarmorling.de/)
+ * and/or other contributors as indicated by the @authors tag. See the
+ * copyright.txt file in the distribution for a full listing of all
+ * contributors.
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.mapstruct.ap.test.collection.erroneous;
+
+import java.util.List;
+
+public class Source {
+
+    private List<String> strings;
+
+    public List<String> getStrings() {
+        return strings;
+    }
+
+    public void setStrings(List<String> strings) {
+        this.strings = strings;
+    }
+}

processor/src/test/java/org/mapstruct/ap/test/collection/erroneous/Target.java

@@ -0,0 +1,32 @@
+/**
+ * Copyright 2012-2016 Gunnar Morling (http://www.gunnarmorling.de/)
+ * and/or other contributors as indicated by the @authors tag. See the
+ * copyright.txt file in the distribution for a full listing of all
+ * contributors.
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.mapstruct.ap.test.collection.erroneous;
+
+public class Target {
+
+    private int strings;
+
+    public int getStrings() {
+        return strings;
+    }
+
+    public void setStrings(int strings) {
+        this.strings = strings;
+    }
+}