/**
* 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.symbolic.vm.string.buffer;
import org.evosuite.symbolic.expr.ref.ReferenceConstant;
import org.evosuite.symbolic.expr.str.StringValue;
import org.evosuite.symbolic.vm.SymbolicFunction;
import org.evosuite.symbolic.vm.SymbolicEnvironment;
import org.evosuite.symbolic.vm.SymbolicHeap;
public abstract class StringBuffer_Init extends SymbolicFunction {
private static final String INIT = "<init>";
public StringBuffer_Init(SymbolicEnvironment env, String desc) {
super(env, Types.JAVA_LANG_STRING_BUFFER, INIT, desc);
}
public static final class StringBufferInit_S extends StringBuffer_Init {
public StringBufferInit_S(SymbolicEnvironment env) {
super(env, Types.STR_TO_VOID_DESCRIPTOR);
}
/**
* new StringBuffer(String)
*/
@Override
public Object executeFunction() {
ReferenceConstant symb_str_buffer = this.getSymbReceiver();
ReferenceConstant symb_string = (ReferenceConstant) this
.getSymbArgument(0);
String conc_string = (String) this.getConcArgument(0);
// get symbolic value for string argument
StringValue string_value = this.env.heap.getField(
Types.JAVA_LANG_STRING, SymbolicHeap.$STRING_VALUE,
conc_string, symb_string, conc_string);
// update symbolic heap
this.env.heap.putField(Types.JAVA_LANG_STRING_BUFFER,
SymbolicHeap.$STRING_BUFFER_CONTENTS, null,
symb_str_buffer, string_value);
// return void
return null;
}
}
}