Issue3937Test.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.printer.lexicalpreservation;

import static com.github.javaparser.utils.TestUtils.assertEqualsStringIgnoringEol;

import com.github.javaparser.ast.expr.LambdaExpr;
import com.github.javaparser.ast.expr.MethodCallExpr;
import com.github.javaparser.ast.expr.NameExpr;
import com.github.javaparser.ast.stmt.ExpressionStmt;
import org.junit.jupiter.api.Test;

public class Issue3937Test extends AbstractLexicalPreservingTest {
    static final String given = "package custom.project;\n" + "\n"
            + "import java.util.stream.Stream;\n"
            + "\n"
            + "class TestFileSystemCodeProvider {\n"
            + "	void testInMemoryFileSystem() {\n"
            + "\n"
            + "		Stream.of(\"\").listFilesForContent(file -> {\n"
            + "			System.out.println(s);\n"
            + "		});\n"
            + "	}\n"
            + "}\n"
            + "";

    @Test
    void test() {
        considerCode(given);

        LexicalPreservingPrinter.setup(cu);

        LambdaExpr lambdaExpr = cu.findFirst(LambdaExpr.class).get();
        lambdaExpr.setBody(new ExpressionStmt(new MethodCallExpr(new NameExpr("SomeClass"), "someMethod")));

        String actual = LexicalPreservingPrinter.print(cu);
        String expected = "package custom.project;\n"
                + "\n"
                + "import java.util.stream.Stream;\n"
                + "\n"
                + "class TestFileSystemCodeProvider {\n"
                + "	void testInMemoryFileSystem() {\n"
                + "\n"
                + "		Stream.of(\"\").listFilesForContent(file -> SomeClass.someMethod());\n"
                + "	}\n"
                + "}\n"
                + "";
        assertEqualsStringIgnoringEol(expected, actual);
    }
}