HHH-17882 test for list of warnings in addSuppressWarningsAnnotation

Signed-off-by: Gavin King <[email protected]>

Author: gavinking

tooling/metamodel-generator/src/main/java/org/hibernate/processor/ClassWriter.java

@@ -204,7 +204,9 @@ private static String writeSuppressWarnings(Context context) {
 		final StringBuilder annotation = new StringBuilder("@SuppressWarnings({");
 		final String[] warnings = context.getSuppressedWarnings();
 		for (int i = 0; i < warnings.length; i++) {
-			if ( i>0 ) annotation.append(", ");
+			if ( i>0 ) {
+				annotation.append(", ");
+			}
 			annotation.append('"').append(warnings[i]).append('"');
 		}
 		return annotation.append("})").toString();

tooling/metamodel-generator/src/test/java/org/hibernate/processor/test/supresswarnings/SuppressExplicitWarningsAnnotationGeneratedTest.java

@@ -0,0 +1,36 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.processor.test.supresswarnings;
+
+import org.hibernate.processor.HibernateProcessor;
+import org.hibernate.processor.test.util.CompilationTest;
+import org.hibernate.processor.test.util.WithClasses;
+import org.hibernate.processor.test.util.WithProcessorOption;
+import org.junit.Test;
+
+import static org.hibernate.processor.test.util.TestUtil.assertMetamodelClassGeneratedFor;
+import static org.hibernate.processor.test.util.TestUtil.getMetaModelSourceAsString;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * @author Hardy Ferentschik
+ */
+public class SuppressExplicitWarningsAnnotationGeneratedTest extends CompilationTest {
+	@Test
+	@WithClasses(TestEntity.class)
+	@WithProcessorOption(key = HibernateProcessor.ADD_SUPPRESS_WARNINGS_ANNOTATION, value = "foo, bar")
+	public void testSuppressedWarningsAnnotationGenerated() {
+		assertMetamodelClassGeneratedFor( TestEntity.class );
+
+		// need to check the source because @SuppressWarnings is not a runtime annotation
+		String metaModelSource = getMetaModelSourceAsString( TestEntity.class );
+		assertTrue(
+				"@SuppressWarnings should be added to the metamodel.",
+				metaModelSource.contains( "@SuppressWarnings({\"foo\", \"bar\"})" )
+		);
+	}
+}