CodeUtilsTest.java

/*
 * Copyright (C) 2007-2010 J��lio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2024 The JavaParser Team.
 *
 * This file is part of JavaParser.
 *
 * JavaParser can be used either under the terms of
 * a) the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * b) the terms of the Apache License
 *
 * You should have received a copy of both licenses in LICENCE.LGPL and
 * LICENCE.APACHE. Please refer to those files for details.
 *
 * JavaParser 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 General Public License for more details.
 */

package com.github.javaparser.generator.core.utils;

import static com.github.javaparser.generator.core.utils.CodeUtils.castValue;
import static org.junit.jupiter.api.Assertions.assertEquals;

import com.github.javaparser.StaticJavaParser;
import com.github.javaparser.ast.type.PrimitiveType;
import com.github.javaparser.ast.type.Type;
import org.junit.jupiter.api.Test;

class CodeUtilsTest {

    private static final String RETURN_VALUE = "this";

    @Test
    void castReturnValue_whenAValueMatchesTheExpectedTypeNoCastIsNeeded() {
        Type returnType = PrimitiveType.booleanType();
        Type valueType = PrimitiveType.booleanType();

        assertEquals(RETURN_VALUE, castValue(RETURN_VALUE, returnType, valueType.asString()));
    }

    @Test
    void castReturnValue_whenAValueIsNotAssignedByReturnShouldBeCasted() {
        Type returnType = StaticJavaParser.parseType("String");
        Type valueType = StaticJavaParser.parseType("Object");

        assertEquals(
                String.format("(%s) %s", returnType, RETURN_VALUE),
                castValue(RETURN_VALUE, returnType, valueType.asString()));
    }
}