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/*******************************************************************************
* Copyright (c) 2009, 2019 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 org.jacoco.core.internal.instr.InstrSupport;
import org.junit.Test;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.MethodNode;
/**
* Unit tests for {@link EnumEmptyConstructorFilter}.
*/
public class EnumEmptyConstructorFilterTest extends FilterTestBase {
private final EnumEmptyConstructorFilter filter = new EnumEmptyConstructorFilter();
@Test
public void should_filter() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_PRIVATE, "<init>", "(Ljava/lang/String;I)V", null,
null);
m.visitVarInsn(Opcodes.ALOAD, 0);
m.visitVarInsn(Opcodes.ALOAD, 1);
m.visitVarInsn(Opcodes.ILOAD, 2);
m.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Enum", "<init>",
"(Ljava/lang/String;I)V", false);
m.visitInsn(Opcodes.RETURN);
context.superClassName = "java/lang/Enum";
filter.filter(m, context, output);
assertIgnored(new Range(m.instructions.getFirst(), m.instructions.getLast()));
}
/**
* <code><pre>
* enum E {
* ;
* private E() {
* ...
* }
* }
* </pre></code>
*/
@Test
public void should_not_filter_non_empty_constructor() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_PRIVATE, "<init>", "(Ljava/lang/String;I)V", null,
null);
m.visitVarInsn(Opcodes.ALOAD, 0);
m.visitVarInsn(Opcodes.ALOAD, 1);
m.visitVarInsn(Opcodes.ILOAD, 2);
m.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Enum", "<init>",
"(Ljava/lang/String;I)V", false);
m.visitInsn(Opcodes.NOP);
m.visitInsn(Opcodes.RETURN);
context.superClassName = "java/lang/Enum";
filter.filter(m, context, output);
assertIgnored();
}
/**
* <code><pre>
* enum E {
* ;
* private E(long p) {
* }
* }
* </pre></code>
*/
@Test
public void should_not_filter_constructor_with_additional_parameters() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_PRIVATE, "<init>", "(Ljava/lang/String;IJ)V", null,
null);
m.visitVarInsn(Opcodes.ALOAD, 0);
m.visitVarInsn(Opcodes.ALOAD, 1);
m.visitVarInsn(Opcodes.ILOAD, 2);
m.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Enum", "<init>",
"(Ljava/lang/String;I)V", false);
m.visitInsn(Opcodes.RETURN);
context.superClassName = "java/lang/Enum";
filter.filter(m, context, output);
assertIgnored();
}
/**
* <code><pre>
* enum E {
* ;
* private void method(String p1, int p2) {
* }
* }
* </pre></code>
*/
@Test
public void should_not_filter_non_constructor() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_PRIVATE, "method", "(Ljava/lang/String;I)V", null,
null);
m.visitInsn(Opcodes.NOP);
context.superClassName = "java/lang/Enum";
filter.filter(m, context, output);
assertIgnored();
}
@Test
public void should_not_filter_non_Enum() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_PRIVATE, "<init>", "(Ljava/lang/String;I)V", null,
null);
m.visitInsn(Opcodes.NOP);
filter.filter(m, context, output);
assertIgnored();
}
}
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