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/*******************************************************************************
* Copyright (c) 2009, 2012 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.instr;
import static org.junit.Assert.assertEquals;
import org.junit.Before;
import org.junit.Test;
import org.objectweb.asm.util.TraceMethodVisitor;
/**
* Unit tests for {@link InstrSupport}.
*/
public class InstrSupportTest {
private TraceMethodVisitor trace;
@Before
public void setup() {
trace = new TraceMethodVisitor();
}
@Test
public void testPushIntM2147483648() {
InstrSupport.push(trace, -2147483648);
assertInstruction("LDC -2147483648");
}
@Test
public void testPushIntM32768() {
InstrSupport.push(trace, -32768);
assertInstruction("SIPUSH -32768");
}
@Test
public void testPushIntM128() {
InstrSupport.push(trace, -128);
assertInstruction("BIPUSH -128");
}
@Test
public void testPushIntM1() {
InstrSupport.push(trace, -1);
assertInstruction("ICONST_M1");
}
@Test
public void testPushInt0() {
InstrSupport.push(trace, 0);
assertInstruction("ICONST_0");
}
@Test
public void testPushInt1() {
InstrSupport.push(trace, 1);
assertInstruction("ICONST_1");
}
@Test
public void testPushInt2() {
InstrSupport.push(trace, 2);
assertInstruction("ICONST_2");
}
@Test
public void testPushInt3() {
InstrSupport.push(trace, 3);
assertInstruction("ICONST_3");
}
@Test
public void testPushInt4() {
InstrSupport.push(trace, 4);
assertInstruction("ICONST_4");
}
@Test
public void testPushInt5() {
InstrSupport.push(trace, 5);
assertInstruction("ICONST_5");
}
@Test
public void testPushInt127() {
InstrSupport.push(trace, 127);
assertInstruction("BIPUSH 127");
}
@Test
public void testPushInt32767() {
InstrSupport.push(trace, 32767);
assertInstruction("SIPUSH 32767");
}
@Test
public void testPushInt2147483647() {
InstrSupport.push(trace, 2147483647);
assertInstruction("LDC 2147483647");
}
private void assertInstruction(String expected) {
assertEquals(1, trace.text.size());
assertEquals(expected, trace.text.get(0).toString().trim());
}
}
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