/**
* Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
* contributors
*
* This file is part of EvoSuite.
*
* EvoSuite is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3.0 of the License, or
* (at your option) any later version.
*
* EvoSuite is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
*/
package org.evosuite.instrumentation.error;
import org.objectweb.asm.Opcodes;
public class DivisionByZeroInstrumentation extends ErrorBranchInstrumenter {
public DivisionByZeroInstrumentation(ErrorConditionMethodAdapter mv) {
super(mv);
}
@Override
public void visitInsn(int opcode) {
// Check *DIV for divisonbyzero
if (opcode == Opcodes.IDIV || opcode == Opcodes.IREM) {
mv.visitInsn(Opcodes.DUP);
insertBranch(Opcodes.IFNE, "java/lang/ArithmeticException");
} else if (opcode == Opcodes.LDIV || opcode == Opcodes.LREM) {
mv.visitInsn(Opcodes.DUP2);
mv.visitLdcInsn(0L);
mv.visitInsn(Opcodes.LCMP);
insertBranch(Opcodes.IFNE, "java/lang/ArithmeticException");
}
}
}