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package com.github.javaparser.ast.validator;
import com.github.javaparser.JavaParser;
import com.github.javaparser.ParseResult;
import com.github.javaparser.ParserConfiguration;
import com.github.javaparser.Problem;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.expr.ArrayCreationExpr;
import com.github.javaparser.ast.expr.Expression;
import com.github.javaparser.ast.stmt.Statement;
import com.github.javaparser.ast.type.PrimitiveType;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
import static com.github.javaparser.ParseStart.*;
import static com.github.javaparser.ParserConfiguration.LanguageLevel.*;
import static com.github.javaparser.Providers.provider;
import static com.github.javaparser.utils.TestUtils.assertNoProblems;
import static com.github.javaparser.utils.TestUtils.assertProblems;
import static org.junit.Assert.assertEquals;
public class Java1_0ValidatorTest {
public static final JavaParser javaParser = new JavaParser(new ParserConfiguration().setLanguageLevel(JAVA_1_0));
@Test
public void tryWithoutResources() {
ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("try(X x=new Y()){}"));
assertProblems(result,
"(line 1,col 1) Catch with resource is not supported.",
"(line 1,col 1) Try has no finally and no catch.");
}
@Test
public void classExtendingMoreThanOne() {
ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider("class X extends Y, Z {}"));
assertProblems(result, "(line 1,col 20) A class cannot extend more than one other class.");
}
@Test
public void interfaceUsingImplements() {
ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider("interface X implements Y {}"));
assertProblems(result, "(line 1,col 24) An interface cannot implement other interfaces.");
}
@Test
public void interfaceWithInitializer() {
ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider("interface X {{}}"));
assertProblems(result, "(line 1,col 14) An interface cannot have initializers.");
}
@Test
public void defaultInClass() {
ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider("class X {default void a(){};}"));
assertProblems(result, "(line 1,col 10) 'default' is not allowed here.");
}
@Test
public void leftHandAssignmentCannotBeAConditional() {
ParseResult<Expression> result = javaParser.parse(EXPRESSION, provider("(1==2)=3"));
assertProblems(result, "(line 1,col 1) Illegal left hand side of an assignment.");
}
@Test
public void leftHandAssignmentCannotBeEmptyBraces() {
ParseResult<Expression> result = javaParser.parse(EXPRESSION, provider("()=3"));
assertProblems(result,
"(line 1,col 1) Illegal left hand side of an assignment.",
"(line 1,col 1) Lambdas are not supported.");
}
@Test
public void leftHandAssignmentCanBeInBraces() {
ParseResult<Expression> result = javaParser.parse(EXPRESSION, provider("(i) += (i) += 1"));
assertNoProblems(result);
}
@Test
public void noInnerClasses() {
ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider("class X{class Y{}}"));
assertProblems(result, "(line 1,col 9) inner classes or interfaces are not supported.");
}
@Test
public void noReflection() {
ParseResult<Expression> result = javaParser.parse(EXPRESSION, provider("Abc.class"));
assertProblems(result, "(line 1,col 1) Reflection is not supported.");
}
@Test
public void nonEmptyList() {
ArrayCreationExpr expr = new ArrayCreationExpr(PrimitiveType.booleanType());
List<Problem> problems= new ArrayList<>();
new Java1_0Validator().accept(expr, new ProblemReporter(problems::add));
assertEquals("ArrayCreationExpr.levels can not be empty.", problems.get(0).getMessage());
}
}
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