1 files changed, 166 insertions, 0 deletions
diff --git a/org.jacoco.core.test/src/org/jacoco/core/internal/analysis/filter/SynchronizedFilterTest.java b/org.jacoco.core.test/src/org/jacoco/core/internal/analysis/filter/SynchronizedFilterTest.java
new file mode 100644
index 00000000..b315dda5
--- /dev/null
+++ b/org.jacoco.core.test/src/org/jacoco/core/internal/analysis/filter/SynchronizedFilterTest.java
@@ -0,0 +1,166 @@
+/*******************************************************************************
+ * Copyright (c) 2009, 2017 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.internal.analysis.filter;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import org.jacoco.core.internal.instr.InstrSupport;
+import org.junit.Test;
+import org.objectweb.asm.Label;
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.tree.AbstractInsnNode;
+import org.objectweb.asm.tree.LabelNode;
+import org.objectweb.asm.tree.MethodNode;
+
+public class SynchronizedFilterTest implements IFilterOutput {
+
+	private final SynchronizedFilter filter = new SynchronizedFilter();
+
+	private final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0,
+			"name", "()V", null, null);
+
+	private AbstractInsnNode fromInclusive;
+	private AbstractInsnNode toInclusive;
+
+	@Test
+	public void javac() {
+		final Label start = new Label();
+		final Label end = new Label();
+		final Label handler = new Label();
+		final Label handlerEnd = new Label();
+		m.visitTryCatchBlock(start, end, handler, null);
+		m.visitTryCatchBlock(handler, handlerEnd, handler, null);
+
+		m.visitVarInsn(Opcodes.ALOAD, 0);
+		m.visitFieldInsn(Opcodes.GETFIELD, "Fun", "lock", "Ljava/lang/Object;");
+		m.visitInsn(Opcodes.DUP);
+		m.visitVarInsn(Opcodes.ASTORE, 1);
+		m.visitInsn(Opcodes.MONITORENTER);
+		m.visitLabel(start);
+		m.visitInsn(Opcodes.NOP);
+		m.visitVarInsn(Opcodes.ALOAD, 1);
+		m.visitInsn(Opcodes.MONITOREXIT);
+		m.visitLabel(end);
+		final Label exit = new Label();
+		m.visitJumpInsn(Opcodes.GOTO, exit);
+		m.visitLabel(handler);
+		m.visitVarInsn(Opcodes.ASTORE, 2);
+		m.visitVarInsn(Opcodes.ALOAD, 1);
+		m.visitInsn(Opcodes.MONITOREXIT);
+		m.visitLabel(handlerEnd);
+		m.visitVarInsn(Opcodes.ALOAD, 2);
+		m.visitInsn(Opcodes.ATHROW);
+		m.visitLabel(exit);
+		m.visitInsn(Opcodes.RETURN);
+
+		filter.filter(m, this);
+		assertEquals(handler.info, fromInclusive);
+		assertEquals(((LabelNode) exit.info).getPrevious(), toInclusive);
+	}
+
+	/**
+	 * <pre>
+	 *     try {
+	 *         ...
+	 *     } catch (Exception e) {
+	 *         ...
+	 *     } finally {
+	 *         ...
+	 *     }
+	 * </pre>
+	 */
+	@Test
+	public void javacTryCatchFinally() {
+		final Label start = new Label();
+		final Label end = new Label();
+		final Label catchHandler = new Label();
+		final Label finallyHandler = new Label();
+		final Label catchHandlerEnd = new Label();
+		m.visitTryCatchBlock(start, end, catchHandler, "java/lang/Exception");
+		m.visitTryCatchBlock(start, end, finallyHandler, null);
+		m.visitTryCatchBlock(catchHandler, catchHandlerEnd, finallyHandler,
+				null);
+
+		m.visitLabel(start);
+		// body
+		m.visitInsn(Opcodes.NOP);
+		m.visitLabel(end);
+		// finally
+		m.visitInsn(Opcodes.NOP);
+		final Label exit = new Label();
+		m.visitJumpInsn(Opcodes.GOTO, exit);
+		m.visitLabel(catchHandler);
+		m.visitVarInsn(Opcodes.ASTORE, 1);
+		// catch
+		m.visitInsn(Opcodes.NOP);
+		m.visitLabel(catchHandlerEnd);
+		// finally
+		m.visitInsn(Opcodes.NOP);
+		m.visitJumpInsn(Opcodes.GOTO, exit);
+		m.visitLabel(finallyHandler);
+		m.visitVarInsn(Opcodes.ASTORE, 2);
+		// finally
+		m.visitInsn(Opcodes.NOP);
+		m.visitVarInsn(Opcodes.ALOAD, 2);
+		m.visitInsn(Opcodes.ATHROW);
+		m.visitLabel(exit);
+		m.visitInsn(Opcodes.RETURN);
+
+		filter.filter(m, this);
+		assertNull(fromInclusive);
+	}
+
+	@Test
+	public void ecj() {
+		final Label start = new Label();
+		final Label end = new Label();
+		final Label handler = new Label();
+		final Label handlerEnd = new Label();
+		m.visitTryCatchBlock(start, end, handler, null);
+		m.visitTryCatchBlock(handler, handlerEnd, handler, null);
+
+		m.visitVarInsn(Opcodes.ALOAD, 0);
+		m.visitFieldInsn(Opcodes.GETFIELD, "Target", "lock",
+				"Ljava/lang/Object;");
+		m.visitInsn(Opcodes.DUP);
+		m.visitVarInsn(Opcodes.ASTORE, 1);
+		m.visitInsn(Opcodes.MONITORENTER);
+		m.visitLabel(start);
+		m.visitVarInsn(Opcodes.ALOAD, 0);
+		m.visitInsn(Opcodes.NOP);
+		m.visitVarInsn(Opcodes.ALOAD, 1);
+		m.visitInsn(Opcodes.MONITOREXIT);
+		m.visitLabel(end);
+		final Label exit = new Label();
+		m.visitJumpInsn(Opcodes.GOTO, exit);
+		m.visitLabel(handler);
+		m.visitVarInsn(Opcodes.ALOAD, 1);
+		m.visitInsn(Opcodes.MONITOREXIT);
+		m.visitLabel(handlerEnd);
+		m.visitInsn(Opcodes.ATHROW);
+		m.visitLabel(exit);
+		m.visitInsn(Opcodes.RETURN);
+
+		filter.filter(m, this);
+		assertEquals(handler.info, fromInclusive);
+		assertEquals(((LabelNode) exit.info).getPrevious(), toInclusive);
+	}
+
+	public void ignore(AbstractInsnNode fromInclusive,
+			AbstractInsnNode toInclusive) {
+		assertNull(this.fromInclusive);
+		this.fromInclusive = fromInclusive;
+		this.toInclusive = toInclusive;
+	}
+
+}