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KotlinDefaultMethodsFilterTest.java
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KotlinDefaultMethodsFilterTest.java
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/*******************************************************************************
* Copyright (c) 2009, 2020 Mountainminds GmbH & Co. KG and Contributors
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* 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 test for {@link KotlinDefaultMethodsFilter}.
*/
public class KotlinDefaultMethodsFilterTest extends FilterTestBase {
private final IFilter filter = new KotlinDefaultMethodsFilter();
@Test
public void should_filter() {
context.classAnnotations
.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0,
"m", "()V", null, null);
m.visitVarInsn(Opcodes.ALOAD, 0);
m.visitMethodInsn(Opcodes.INVOKESTATIC, "Target$DefaultImpls", "m",
"(LTarget;)V", false);
m.visitInsn(Opcodes.RETURN);
filter.filter(m, context, output);
assertMethodIgnored(m);
}
@Test
public void should_not_filter_when_invokestatic_owner_does_not_match() {
context.classAnnotations
.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0,
"m", "()V", null, null);
m.visitVarInsn(Opcodes.ALOAD, 0);
m.visitMethodInsn(Opcodes.INVOKESTATIC, "Target", "m", "(LTarget;)V",
false);
m.visitInsn(Opcodes.RETURN);
filter.filter(m, context, output);
assertIgnored();
}
@Test
public void should_not_filter_when_instructions_do_not_match() {
context.classAnnotations
.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0,
"m", "()V", null, null);
m.visitInsn(Opcodes.RETURN);
filter.filter(m, context, output);
assertIgnored();
}
@Test
public void should_not_filter_when_not_kotlin() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0,
"m", "()V", null, null);
m.visitVarInsn(Opcodes.ALOAD, 0);
m.visitMethodInsn(Opcodes.INVOKESTATIC, "Target$DefaultImpls", "m",
"(LTarget;)V", false);
m.visitInsn(Opcodes.RETURN);
filter.filter(m, context, output);
assertIgnored();
}
}