JDefinedClassTest.java

/**
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 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 * Portions Copyright 2013-2017 Philip Helger + contributors
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
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 * GPL Classpath Exception:
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package com.helger.jcodemodel;

import static org.junit.Assert.assertNotNull;

import org.junit.Test;

import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration;
import com.github.javaparser.ast.body.InitializerDeclaration;
import com.github.javaparser.ast.body.TypeDeclaration;
import com.helger.jcodemodel.util.CodeModelTestsHelper;

/**
 * Test class for class {@link JDefinedClass}.
 *
 * @author Philip Helger
 */
public final class JDefinedClassTest
{
  @Test
  public void generatesInstanceInit () throws Exception
  {
    /**
     * <pre>
     * /-**
     * * Line 1
     * * Line 2
     * * Line 3
     * *-/
     * package myPackage;
     *
     * class MyClass
     * {
     *   private String myField;
     *
     *   {
     *     this.myField = "myValue";
     *   }
     * }
     * </pre>
     */

    final JCodeModel cm = new JCodeModel ();
    final JDefinedClass c = cm._package ("myPackage")._class (0, "MyClass");
    c.headerComment ().add ("Line 1\nLine 2\nLine 3");
    final JFieldVar myField = c.field (JMod.PRIVATE, String.class, "myField");
    c.instanceInit ().assign (JExpr._this ().ref (myField), JExpr.lit ("myValue"));

    final CompilationUnit compilationUnit = CodeModelTestsHelper.parseCodeModel (cm);
    final TypeDeclaration <?> typeDeclaration = compilationUnit.getTypes ().get (0);
    final ClassOrInterfaceDeclaration classDeclaration = (ClassOrInterfaceDeclaration) typeDeclaration;
    final InitializerDeclaration initializerDeclaration = (InitializerDeclaration) classDeclaration.getMembers ()
                                                                                                   .get (1);
    assertNotNull (initializerDeclaration);
  }
}