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package com.github.javaparser.symbolsolver;
import com.github.javaparser.JavaParser;
import com.github.javaparser.ast.expr.*;
import com.github.javaparser.resolution.types.ResolvedType;
import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade;
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.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class Issue343 extends AbstractResolutionTest{
private TypeSolver typeResolver;
private JavaParserFacade javaParserFacade;
private ResolvedType getExpressionType(TypeSolver typeSolver, Expression expression) {
return JavaParserFacade.get(typeSolver).getType(expression);
}
@Before
public void setup() {
typeResolver = new ReflectionTypeSolver();
javaParserFacade = JavaParserFacade.get(typeResolver);
}
@Test
public void resolveStringLiteralOutsideAST() {
assertEquals(javaParserFacade.classToResolvedType(String.class), getExpressionType(typeResolver, new StringLiteralExpr("")));
}
@Test
public void resolveIntegerLiteralOutsideAST() {
assertEquals(javaParserFacade.classToResolvedType(int.class), getExpressionType(typeResolver, new IntegerLiteralExpr(2)));
}
@Test(expected = IllegalStateException.class)
public void toResolveDoubleWeNeedTheAST() {
getExpressionType(typeResolver, JavaParser.parseExpression("new Double[]{2.0d, 3.0d}[1]"));
}
@Test(expected = IllegalStateException.class)
public void toResolveFloatWeNeedTheAST() {
getExpressionType(typeResolver, JavaParser.parseExpression("new Float[]{2.0d, 3.0d}"));
}
@Test
public void resolveMethodCallOnStringLiteralOutsideAST() {
assertEquals(javaParserFacade.classToResolvedType(int.class), getExpressionType(typeResolver, new MethodCallExpr(new StringLiteralExpr("hello"), "length")));
}
@Test(expected = IllegalStateException.class)
public void resolveLocaleOutsideAST() {
getExpressionType(typeResolver, new FieldAccessExpr(new NameExpr("Locale"), "US"));
}
}
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