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/*******************************************************************************
* Copyright (c) 2009, 2019 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 tests for {@link SyntheticFilter}.
*/
public class SyntheticFilterTest extends FilterTestBase {
private final SyntheticFilter filter = new SyntheticFilter();
@Test
public void testNonSynthetic() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0,
"name", "()V", null, null);
m.visitInsn(Opcodes.NOP);
filter.filter(m, context, output);
assertIgnored();
}
@Test
public void testSynthetic() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_SYNTHETIC, "name", "()V", null, null);
m.visitInsn(Opcodes.NOP);
filter.filter(m, context, output);
assertMethodIgnored(m);
}
@Test
public void testLambda() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_SYNTHETIC, "lambda$1", "()V", null, null);
m.visitInsn(Opcodes.NOP);
filter.filter(m, context, output);
assertIgnored();
}
@Test
public void should_filter_synthetic_method_with_prefix_anonfun_in_non_Scala_classes() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_SYNTHETIC, "$anonfun$main$1", "()V", null, null);
m.visitInsn(Opcodes.RETURN);
filter.filter(m, context, output);
assertMethodIgnored(m);
}
@Test
public void should_not_filter_synthetic_method_with_prefix_anonfun_in_Scala_classes() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_SYNTHETIC, "$anonfun$main$1", "()V", null, null);
m.visitInsn(Opcodes.RETURN);
context.classAttributes.add("ScalaSig");
filter.filter(m, context, output);
assertIgnored();
}
@Test
public void should_not_filter_synthetic_method_with_prefix_anonfun_in_Scala_inner_classes() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_SYNTHETIC, "$anonfun$main$1", "()V", null, null);
m.visitInsn(Opcodes.RETURN);
context.classAttributes.add("Scala");
filter.filter(m, context, output);
assertIgnored();
}
@Test
public void should_not_filter_method_with_suffix_default_in_kotlin_classes() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_SYNTHETIC | Opcodes.ACC_BRIDGE, "example$default",
"(LTarget;Ljava/lang/String;Ijava/lang/Object;)V", null, null);
context.classAnnotations
.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);
m.visitInsn(Opcodes.NOP);
filter.filter(m, context, output);
assertIgnored();
}
@Test
public void should_filter_synthetic_method_with_suffix_default_in_non_kotlin_classes() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_SYNTHETIC | Opcodes.ACC_BRIDGE, "example$default",
"(LTarget;Ljava/lang/String;Ijava/lang/Object;)V", null, null);
m.visitInsn(Opcodes.NOP);
filter.filter(m, context, output);
assertMethodIgnored(m);
}
@Test
public void should_not_filter_synthetic_constructor_containing_default_arguments_in_kotlin_classes() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_SYNTHETIC, "<init>",
"(IILkotlin/jvm/internal/DefaultConstructorMarker;)V", null,
null);
context.classAnnotations
.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);
m.visitInsn(Opcodes.NOP);
filter.filter(m, context, output);
assertIgnored();
}
@Test
public void should_not_filter_synthetic_methods_whose_last_argument_is_kotlin_coroutine_continuation() {
final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION,
Opcodes.ACC_SYNTHETIC | Opcodes.ACC_STATIC, "example",
"(Lkotlin/coroutines/Continuation;)Ljava/lang/Object;", null,
null);
context.classAnnotations
.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);
m.visitInsn(Opcodes.NOP);
filter.filter(m, context, output);
assertIgnored();
}
}
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