| /******************************************************************************* |
| * 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: |
| * Marc R. Hoffmann - initial API and implementation |
| * |
| *******************************************************************************/ |
| package org.jacoco.core.internal.flow; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.objectweb.asm.Label; |
| import org.objectweb.asm.Opcodes; |
| import org.objectweb.asm.tree.InsnNode; |
| |
| /** |
| * Unit tests for {@link LabelInfoTest}. |
| */ |
| public class LabelInfoTest { |
| |
| private Label label; |
| |
| @Before |
| public void setup() { |
| label = new Label(); |
| } |
| |
| @Test |
| public void testDefaults() { |
| assertFalse(LabelInfo.isMultiTarget(label)); |
| assertFalse(LabelInfo.isSuccessor(label)); |
| assertFalse(LabelInfo.isMethodInvocationLine(label)); |
| assertFalse(LabelInfo.isDone(label)); |
| assertEquals(LabelInfo.NO_PROBE, LabelInfo.getProbeId(label)); |
| assertNull(LabelInfo.getIntermediateLabel(label)); |
| assertNull(LabelInfo.getInstruction(label)); |
| } |
| |
| @Test |
| public void testOtherInfoObject() { |
| label.info = new Object(); |
| assertFalse(LabelInfo.isSuccessor(label)); |
| } |
| |
| @Test |
| public void testSuccessor() { |
| LabelInfo.setSuccessor(label); |
| assertFalse(LabelInfo.isMultiTarget(label)); |
| assertTrue(LabelInfo.isSuccessor(label)); |
| } |
| |
| @Test |
| public void testMultiTarget1() { |
| LabelInfo.setTarget(label); |
| assertFalse(LabelInfo.isMultiTarget(label)); |
| assertFalse(LabelInfo.isSuccessor(label)); |
| |
| LabelInfo.setTarget(label); |
| assertTrue(LabelInfo.isMultiTarget(label)); |
| assertFalse(LabelInfo.isSuccessor(label)); |
| } |
| |
| @Test |
| public void testMultiTarget2() { |
| LabelInfo.setSuccessor(label); |
| assertFalse(LabelInfo.isMultiTarget(label)); |
| assertTrue(LabelInfo.isSuccessor(label)); |
| |
| LabelInfo.setTarget(label); |
| assertTrue(LabelInfo.isMultiTarget(label)); |
| assertTrue(LabelInfo.isSuccessor(label)); |
| } |
| |
| @Test |
| public void testMultiTarget3() { |
| LabelInfo.setTarget(label); |
| assertFalse(LabelInfo.isMultiTarget(label)); |
| assertFalse(LabelInfo.isSuccessor(label)); |
| |
| LabelInfo.setSuccessor(label); |
| assertTrue(LabelInfo.isMultiTarget(label)); |
| assertTrue(LabelInfo.isSuccessor(label)); |
| } |
| |
| @Test |
| public void testMethodInvocationLine() { |
| LabelInfo.setMethodInvocationLine(label); |
| assertTrue(LabelInfo.isMethodInvocationLine(label)); |
| } |
| |
| @Test |
| public void testNeedsProbe() { |
| testNeedsProbe(false, false, false, false); |
| testNeedsProbe(true, false, false, false); |
| testNeedsProbe(false, true, false, false); |
| testNeedsProbe(true, true, false, false); |
| testNeedsProbe(false, false, true, false); |
| testNeedsProbe(true, false, true, true); |
| testNeedsProbe(false, true, true, true); |
| testNeedsProbe(true, true, true, true); |
| } |
| |
| private void testNeedsProbe(boolean multitarget, |
| boolean methodinvocationline, boolean successor, boolean expected) { |
| if (multitarget) { |
| LabelInfo.setTarget(label); |
| LabelInfo.setTarget(label); |
| } |
| if (methodinvocationline) { |
| LabelInfo.setMethodInvocationLine(label); |
| } |
| if (successor) { |
| LabelInfo.setSuccessor(label); |
| } |
| assertTrue(expected == LabelInfo.needsProbe(label)); |
| |
| // Reset: |
| label = new Label(); |
| } |
| |
| @Test |
| public void testSetResetDone1() { |
| LabelInfo.setDone(label); |
| assertTrue(LabelInfo.isDone(label)); |
| |
| LabelInfo.resetDone(label); |
| assertFalse(LabelInfo.isDone(label)); |
| } |
| |
| @Test |
| public void testSetResetDone2() { |
| LabelInfo.setDone(label); |
| assertTrue(LabelInfo.isDone(label)); |
| |
| LabelInfo.resetDone(new Label[] { label, new Label() }); |
| assertFalse(LabelInfo.isDone(label)); |
| } |
| |
| @Test |
| public void testSetProbeId() { |
| LabelInfo.setProbeId(label, 123); |
| assertEquals(123, LabelInfo.getProbeId(label)); |
| } |
| |
| @Test |
| public void testSetIntermediateLabel() { |
| final Label i = new Label(); |
| LabelInfo.setIntermediateLabel(label, i); |
| assertSame(i, LabelInfo.getIntermediateLabel(label)); |
| } |
| |
| @Test |
| public void testSetInstruction() { |
| final Instruction instruction = new Instruction( |
| new InsnNode(Opcodes.NOP), 123); |
| LabelInfo.setInstruction(label, instruction); |
| assertSame(instruction, LabelInfo.getInstruction(label)); |
| } |
| |
| } |