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package com.github.javaparser.symbolsolver.javaparsermodel;
import com.github.javaparser.ParseException;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.expr.NameExpr;
import com.github.javaparser.resolution.types.ResolvedType;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import com.github.javaparser.symbolsolver.resolution.AbstractResolutionTest;
import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver;
import org.junit.Test;
import java.util.List;
import static org.junit.Assert.*;
public class ConvertToUsageTest extends AbstractResolutionTest {
private final TypeSolver typeSolver = new ReflectionTypeSolver();
@Test
public void testConvertTypeToUsage() {
CompilationUnit cu = parseSample("LocalTypeDeclarations");
List<NameExpr> n = cu.findAll(NameExpr.class);
assertEquals("int", usageDescribe(n, "a"));
assertEquals("java.lang.Integer", usageDescribe(n, "b"));
assertEquals("java.lang.Class<java.lang.Integer>", usageDescribe(n, "c"));
assertEquals("java.lang.Class<? super java.lang.Integer>", usageDescribe(n, "d"));
assertEquals("java.lang.Class<? extends java.lang.Integer>", usageDescribe(n, "e"));
assertEquals("java.lang.Class<? extends java.lang.Class<? super java.lang.Class<? extends java.lang.Integer>>>", usageDescribe(n, "f"));
assertEquals("java.lang.Class<? super java.lang.Class<? extends java.lang.Class<? super java.lang.Integer>>>", usageDescribe(n, "g"));
}
private String usageDescribe(List<NameExpr> n, String name){
return n.stream().filter(x -> x.getNameAsString().equals(name))
.map(JavaParserFacade.get(typeSolver)::getType)
.map(ResolvedType::describe)
.findFirst().orElse(null);
}
}
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