GWTParameterizedTypeTest.java example

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errai-master
/*
 * Copyright (C) 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jboss.errai.codegen.gwt.test;

import static org.junit.Assert.*;

import java.io.File;

import org.jboss.errai.codegen.meta.MetaType;
import org.jboss.errai.codegen.meta.impl.gwt.GWTParameterizedType;
import org.junit.Test;

import com.google.gwt.core.ext.typeinfo.JClassType;
import com.google.gwt.core.ext.typeinfo.JType;
import com.google.gwt.core.ext.typeinfo.TypeOracle;

public class GWTParameterizedTypeTest {

  private static final TypeOracle mockacle;
  static {
    MockacleFactory f = new MockacleFactory(new File(
            "../errai-codegen/src/test/java"));
    f.addTestClass("org.jboss.errai.codegen.test.model.GenericArrayCollectionTestModel");

    mockacle = f.generateMockacle();
  }

  @Test
  public void getTypeParameters_GenericArray() {
    JClassType type = mockacle
            .findType("org.jboss.errai.codegen.test.model.GenericArrayCollectionTestModel");
    JType returnType = type.getMethods()[0].getReturnType();
    GWTParameterizedType parameterizedType = new GWTParameterizedType(mockacle,
            returnType.isParameterized());
    MetaType[] typeParameters = parameterizedType.getTypeParameters();
    assertEquals(typeParameters.length, 1);
    assertEquals(typeParameters[0].getName(), "Object[]");
  }

}