javaparser-symbol-solver-testing/src/test/java/com/github/javaparser/symbolsolver/Issue1946Test.java

package com.github.javaparser.symbolsolver;

import com.github.javaparser.JavaParser;
import com.github.javaparser.ParseResult;
import com.github.javaparser.ParseStart;
import com.github.javaparser.StringProvider;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.expr.FieldAccessExpr;
import com.github.javaparser.ast.expr.MethodCallExpr;
import com.github.javaparser.resolution.declarations.ResolvedMethodDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedValueDeclaration;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import com.github.javaparser.symbolsolver.resolution.typesolvers.CombinedTypeSolver;
import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver;
import org.junit.jupiter.api.Test;

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

class Issue1946Test {


    @Test
    void issueWithInternalEnumConstantReference() {
        String code = "package com.github.javaparser.symbolsolver.testingclasses; class Foo { void foo() { UtilityClass.method(SomeClass.InnerEnum.CONSTANT); } }";
        JavaParser jp = new JavaParser();
        CombinedTypeSolver typeSolver = new CombinedTypeSolver(new TypeSolver[] {
                new ReflectionTypeSolver(false)
        });
        jp.getParserConfiguration().setSymbolResolver(new JavaSymbolSolver(typeSolver));
        ParseResult<CompilationUnit> pr = jp.parse(ParseStart.COMPILATION_UNIT, new StringProvider(code));
        assertEquals(true, pr.isSuccessful());
        MethodCallExpr methodCallExpr = pr.getResult().get().findFirst(MethodCallExpr.class).get();
        ResolvedMethodDeclaration rmd = methodCallExpr.resolve();
        assertEquals("com.github.javaparser.symbolsolver.testingclasses.UtilityClass.method(com.github.javaparser.symbolsolver.testingclasses.SomeClass.InnerEnum)", rmd.getQualifiedSignature());
        FieldAccessExpr fieldAccessExpr = methodCallExpr.findFirst(FieldAccessExpr.class).get();
        ResolvedValueDeclaration rvd = fieldAccessExpr.resolve();
        assertEquals("CONSTANT", rvd.getName());
        assertEquals("com.github.javaparser.symbolsolver.testingclasses.SomeClass.InnerEnum", rvd.getType().describe());
    }
}