Issue3949Test.java

/*
 * Copyright (C) 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.stmt.BlockStmt;
import com.github.javaparser.ast.stmt.BreakStmt;
import com.github.javaparser.ast.stmt.ExpressionStmt;
import org.junit.jupiter.api.Test;

class Issue3949Test extends AbstractLexicalPreservingTest {

    @Test
    public void test() {
        considerCode("class A {\n"
                + "\n"
                + "  void foo() {\n"
                + "    Consumer<Integer> lambda = a -> System.out.println(a);\n"
                + "  }\n"
                + "}");

        ExpressionStmt estmt = cu.findAll(ExpressionStmt.class).get(1).clone();
        LambdaExpr lexpr = cu.findAll(LambdaExpr.class).get(0);
        LexicalPreservingPrinter.setup(cu);

        BlockStmt block = new BlockStmt();
        BreakStmt bstmt = new BreakStmt();
        block.addStatement(new ExpressionStmt(estmt.getExpression()));
        block.addStatement(bstmt);
        lexpr.setBody(block);

        String expected = "class A {\n"
                + "\n"
                + "  void foo() {\n"
                + "    Consumer<Integer> lambda = a -> {\n"
                + "        System.out.println(a);\n"
                + "        break;\n"
                + "    };\n"
                + "  }\n"
                + "}";

        assertEqualsStringIgnoringEol(expected, LexicalPreservingPrinter.print(cu));
    }
}