To prevent regressions add test for annotation with an initializer (#460)

2 files changed, 70 insertions, 0 deletions

diff --git a/org.jacoco.core.test/src/org/jacoco/core/test/validation/AnnotationInitializerTest.java b/org.jacoco.core.test/src/org/jacoco/core/test/validation/AnnotationInitializerTest.java
new file mode 100644
index 00000000..a8069a1d
--- /dev/null
+++ b/org.jacoco.core.test/src/org/jacoco/core/test/validation/AnnotationInitializerTest.java
@@ -0,0 +1,47 @@
+/*******************************************************************************
+ * Copyright (c) 2009, 2016 Mountainminds GmbH & Co. KG and Contributors
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Evgeny Mandrikov - initial API and implementation
+ *
+ *******************************************************************************/
+package org.jacoco.core.test.validation;
+
+import org.jacoco.core.analysis.ICounter;
+import org.jacoco.core.test.validation.targets.AnnotationInitializer;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Test of initializer in annotations.
+ */
+public class AnnotationInitializerTest extends ValidationTestBase {
+
+	public AnnotationInitializerTest() {
+		super(AnnotationInitializer.class);
+	}
+
+	@Override
+	protected void run(Class<?> targetClass) throws Exception {
+		// Instrumentation should not add members,
+		// otherwise sun.reflect.annotation.AnnotationInvocationHandler
+		// can throw java.lang.annotation.AnnotationFormatError
+		assertEquals(1, targetClass.getDeclaredFields().length);
+		assertEquals(1, targetClass.getDeclaredMethods().length);
+
+		// Force initialization
+		targetClass.getField("CONST").get(null);
+	}
+
+	@Test
+	public void testCoverageResult() {
+		assertLine("const", ICounter.FULLY_COVERED);
+		assertLine("value", ICounter.EMPTY);
+	}
+
+}
diff --git a/org.jacoco.core.test/src/org/jacoco/core/test/validation/targets/AnnotationInitializer.java b/org.jacoco.core.test/src/org/jacoco/core/test/validation/targets/AnnotationInitializer.java
new file mode 100644
index 00000000..87c66783
--- /dev/null
+++ b/org.jacoco.core.test/src/org/jacoco/core/test/validation/targets/AnnotationInitializer.java
@@ -0,0 +1,23 @@
+/*******************************************************************************
+ * Copyright (c) 2009, 2016 Mountainminds GmbH & Co. KG and Contributors
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Evgeny Mandrikov - initial API and implementation
+ *
+ *******************************************************************************/
+package org.jacoco.core.test.validation.targets;
+
+/**
+ * This test target is an annotation with an initializer.
+ */
+public @interface AnnotationInitializer {
+
+	Object CONST = new Object(); // $line-const$
+
+	int value() default 0; // $line-value$
+
+}