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/*******************************************************************************
* Copyright (c) 2009, 2022 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.Label;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.MethodNode;
/**
* Unit tests for {@link KotlinNotNullOperatorFilter}.
*/
public class KotlinNotNullOperatorFilterTest extends FilterTestBase {
private final KotlinNotNullOperatorFilter filter = new KotlinNotNullOperatorFilter();
private final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0,
"example", "()V", null, null);
/**
* <pre>
* return x!!.length
* </pre>
*/
@Test
public void should_filter() {
m.visitVarInsn(Opcodes.ALOAD, 1);
m.visitInsn(Opcodes.DUP);
final Range range = new Range();
final Label label = new Label();
m.visitJumpInsn(Opcodes.IFNONNULL, label);
range.fromInclusive = m.instructions.getLast();
// no line number here and hence no probe
m.visitMethodInsn(Opcodes.INVOKESTATIC,
"kotlin/jvm/internal/Intrinsics", "throwNpe", "()V", false);
range.toInclusive = m.instructions.getLast();
m.visitLabel(label);
m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "length",
"()I", false);
m.visitInsn(Opcodes.IRETURN);
filter.filter(m, context, output);
assertIgnored(range);
}
}
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