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package com.sun.codemodel.tests;
import static org.junit.Assert.assertNotNull;
import japa.parser.JavaParser;
import japa.parser.ast.CompilationUnit;
import japa.parser.ast.body.ClassOrInterfaceDeclaration;
import japa.parser.ast.body.InitializerDeclaration;
import japa.parser.ast.body.TypeDeclaration;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import org.junit.Test;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JDefinedClass;
import com.sun.codemodel.JExpr;
import com.sun.codemodel.JFieldVar;
import com.sun.codemodel.JMod;
import com.sun.codemodel.writer.OutputStreamCodeWriter;
public class JDefinedClassInstanceInitTest {
@Test
public void generatesInstanceInit() throws Exception {
JCodeModel cm = new JCodeModel();
JDefinedClass c = cm._package("myPackage")._class(0, "MyClass");
JFieldVar myField = c.field(JMod.PRIVATE, String.class, "myField");
c.instanceInit().assign(JExpr._this().ref(myField),
JExpr.lit("myValue"));
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
final String encoding = "UTF-8";
// cm.build(new OutputStreamCodeWriter(System.out, encoding));
cm.build(new OutputStreamCodeWriter(bos, encoding));
bos.close();
final ByteArrayInputStream bis = new ByteArrayInputStream(
bos.toByteArray());
CompilationUnit compilationUnit = JavaParser.parse(bis, encoding);
TypeDeclaration typeDeclaration = compilationUnit.getTypes().get(0);
ClassOrInterfaceDeclaration classDeclaration = (ClassOrInterfaceDeclaration) typeDeclaration;
final InitializerDeclaration initializerDeclaration = (InitializerDeclaration) classDeclaration
.getMembers().get(1);
assertNotNull(initializerDeclaration);
}
}