Issue3951Test.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.symbolsolver;

import static org.junit.jupiter.api.Assertions.assertEquals;

import com.github.javaparser.JavaParserAdapter;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.expr.MethodCallExpr;
import com.github.javaparser.symbolsolver.resolution.AbstractResolutionTest;
import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver;
import org.junit.jupiter.api.Test;

public class Issue3951Test extends AbstractResolutionTest {

    @Test
    void test() {
        final String code = String.join(
                System.lineSeparator(),
                "package test;",
                "import java.util.HashMap;",
                "import java.util.Map;",
                "interface Foo {",
                "    String getFoo();",
                "    String getBar();",
                "}",
                "class FooImpl implements Foo {",
                "    String getFoo() { return \"foo\"; } ",
                "    String getBar() { return \"bar\"; } ",
                "}",
                "public class Application {",
                "    public static void main() {",
                "        Foo f = new FooImpl();",
                "        Map<Foo, Object> m = new HashMap<>();",
                "        assertThat(m.containsKey(f));",
                "    }",
                "    public static void assertThat(Object m) {",
                "        assert m != null;",
                "    }",
                "}");

        CompilationUnit cu = JavaParserAdapter.of(createParserWithResolver(new ReflectionTypeSolver()))
                .parse(code);

        MethodCallExpr getOrDefaultCall = cu.findAll(MethodCallExpr.class).stream()
                .filter(m -> m.getNameAsString().equals("assertThat"))
                .findFirst()
                .get();

        assertEquals("test.Application.assertThat", getOrDefaultCall.resolve().getQualifiedName());
    }
}