Java5ValidatorTest.java
/*
* Copyright (C) 2007-2010 J��lio Vilmar Gesser.
* Copyright (C) 2011, 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.ast.validator;
import static com.github.javaparser.ParseStart.*;
import static com.github.javaparser.ParserConfiguration.LanguageLevel.JAVA_5;
import static com.github.javaparser.Providers.provider;
import static com.github.javaparser.ast.validator.Java1_1ValidatorTest.allModifiers;
import static com.github.javaparser.utils.TestUtils.assertNoProblems;
import static com.github.javaparser.utils.TestUtils.assertProblems;
import com.github.javaparser.JavaParser;
import com.github.javaparser.ParseResult;
import com.github.javaparser.ParserConfiguration;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.body.Parameter;
import com.github.javaparser.ast.stmt.Statement;
import org.junit.jupiter.api.Test;
class Java5ValidatorTest {
public static final JavaParser javaParser = new JavaParser(new ParserConfiguration().setLanguageLevel(JAVA_5));
@Test
void genericsWithoutDiamond() {
ParseResult<CompilationUnit> result =
javaParser.parse(COMPILATION_UNIT, provider("class X<A>{List<String> b = new ArrayList<>();}"));
assertProblems(
result,
"(line 1,col 33) The diamond operator is not supported. Pay attention that this feature is supported starting from 'JAVA_7' language level. If you need that feature the language level must be configured in the configuration before parsing the source files.");
}
@Test
void topAnnotationDeclaration() {
ParseResult<CompilationUnit> result =
javaParser.parse(COMPILATION_UNIT, provider(allModifiers + "@interface X{}"));
assertProblems(
result,
"(line 1,col 1) Can have only one of 'public', 'protected', 'private'.",
"(line 1,col 1) Can have only one of 'final', 'abstract'.",
"(line 1,col 1) Can have only one of 'native', 'strictfp'.",
"(line 1,col 1) 'transient' is not allowed here.",
"(line 1,col 1) 'volatile' is not allowed here.",
"(line 1,col 1) 'synchronized' is not allowed here.",
"(line 1,col 1) 'default' is not allowed here.",
"(line 1,col 1) 'native' is not allowed here.",
"(line 1,col 1) 'transitive' is not allowed here.",
"(line 1,col 1) 'static' is not allowed here.",
"(line 1,col 1) 'final' is not allowed here.",
"(line 1,col 1) 'private' is not allowed here.",
"(line 1,col 1) 'protected' is not allowed here.");
}
@Test
void nestedAnnotationDeclaration() {
ParseResult<CompilationUnit> result =
javaParser.parse(COMPILATION_UNIT, provider("class X{" + allModifiers + "@interface I{}}"));
assertProblems(
result,
"(line 1,col 9) Can have only one of 'public', 'protected', 'private'.",
"(line 1,col 9) Can have only one of 'final', 'abstract'.",
"(line 1,col 9) Can have only one of 'native', 'strictfp'.",
"(line 1,col 9) 'transient' is not allowed here.",
"(line 1,col 9) 'volatile' is not allowed here.",
"(line 1,col 9) 'default' is not allowed here.",
"(line 1,col 9) 'final' is not allowed here.",
"(line 1,col 9) 'synchronized' is not allowed here.",
"(line 1,col 9) 'native' is not allowed here.",
"(line 1,col 9) 'transitive' is not allowed here.");
}
@Test
void annotationMember() {
ParseResult<CompilationUnit> result =
javaParser.parse(COMPILATION_UNIT, provider("@interface X{" + allModifiers + "int x();}"));
assertProblems(
result,
"(line 1,col 14) Can have only one of 'public', 'protected', 'private'.",
"(line 1,col 14) Can have only one of 'final', 'abstract'.",
"(line 1,col 14) Can have only one of 'native', 'strictfp'.",
"(line 1,col 14) 'transient' is not allowed here.",
"(line 1,col 14) 'volatile' is not allowed here.",
"(line 1,col 14) 'final' is not allowed here.",
"(line 1,col 14) 'synchronized' is not allowed here.",
"(line 1,col 14) 'default' is not allowed here.",
"(line 1,col 14) 'native' is not allowed here.",
"(line 1,col 14) 'protected' is not allowed here.",
"(line 1,col 14) 'private' is not allowed here.",
"(line 1,col 14) 'strictfp' is not allowed here.",
"(line 1,col 14) 'static' is not allowed here.",
"(line 1,col 14) 'transitive' is not allowed here.");
}
@Test
void topEnum() {
ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider(allModifiers + "enum X{}"));
assertProblems(
result,
"(line 1,col 1) Can have only one of 'public', 'protected', 'private'.",
"(line 1,col 1) Can have only one of 'final', 'abstract'.",
"(line 1,col 1) Can have only one of 'native', 'strictfp'.",
"(line 1,col 1) 'transient' is not allowed here.",
"(line 1,col 1) 'volatile' is not allowed here.",
"(line 1,col 1) 'synchronized' is not allowed here.",
"(line 1,col 1) 'default' is not allowed here.",
"(line 1,col 1) 'native' is not allowed here.",
"(line 1,col 1) 'transitive' is not allowed here.",
"(line 1,col 1) 'static' is not allowed here.",
"(line 1,col 1) 'abstract' is not allowed here.",
"(line 1,col 1) 'final' is not allowed here.",
"(line 1,col 1) 'private' is not allowed here.",
"(line 1,col 1) 'protected' is not allowed here.");
}
@Test
void nestedEnum() {
ParseResult<CompilationUnit> result =
javaParser.parse(COMPILATION_UNIT, provider("class X{" + allModifiers + "enum I{}}"));
assertProblems(
result,
"(line 1,col 9) Can have only one of 'public', 'protected', 'private'.",
"(line 1,col 9) Can have only one of 'final', 'abstract'.",
"(line 1,col 9) Can have only one of 'native', 'strictfp'.",
"(line 1,col 9) 'transient' is not allowed here.",
"(line 1,col 9) 'volatile' is not allowed here.",
"(line 1,col 9) 'default' is not allowed here.",
"(line 1,col 9) 'abstract' is not allowed here.",
"(line 1,col 9) 'final' is not allowed here.",
"(line 1,col 9) 'synchronized' is not allowed here.",
"(line 1,col 9) 'native' is not allowed here.",
"(line 1,col 9) 'transitive' is not allowed here.");
}
@Test
void varargs() {
ParseResult<Parameter> result = javaParser.parse(PARAMETER, provider("String... x"));
assertNoProblems(result);
}
@Test
void foreach() {
ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("for(X x: xs){}"));
assertNoProblems(result);
}
@Test
void noMultipleVariablesInForEach() {
ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("for(int i, j : nums){}"));
assertProblems(
result,
"(line 1,col 1) A foreach statement's variable declaration must have exactly one variable declarator. Given: 2.");
}
@Test
void noModifiersInForEachBesideFinal() {
ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("for(static transient int i : nums){}"));
assertProblems(
result,
"(line 1,col 5) 'static' is not allowed here.",
"(line 1,col 5) 'transient' is not allowed here.");
}
@Test
void staticImport() {
ParseResult<CompilationUnit> result = javaParser.parse(
COMPILATION_UNIT, provider("import static x;import static x.*;import x.X;import x.*;"));
assertNoProblems(result);
}
@Test
void noPrimitiveTypeArguments() {
ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider("class X extends Y<int> {}"));
assertProblems(result, "(line 1,col 17) Type arguments may not be primitive.");
}
@Test
void enumAllowedAsIdentifier() {
ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("int enum;"));
assertProblems(result, "(line 1,col 5) 'enum' cannot be used as an identifier as it is a keyword.");
}
@Test
void enumAllowedInSwitch() {
ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("switch(x){case GREEN: ;}"));
assertNoProblems(result);
}
}