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NodePositionTest.java
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NodePositionTest.java
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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2019 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;
import com.github.javaparser.JavaParser;
import com.github.javaparser.ParseResult;
import com.github.javaparser.ParseStart;
import com.github.javaparser.Providers;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
class NodePositionTest {
private List<Node> getAllNodes(Node node) {
List<Node> nodes = new LinkedList<>();
nodes.add(node);
node.getChildNodes().forEach(c -> nodes.addAll(getAllNodes(c)));
return nodes;
}
@Test
void packageProtectedClassShouldHavePositionSet() throws IOException {
ensureAllNodesHaveValidBeginPosition("class A { }");
}
@Test
void packageProtectedInterfaceShouldHavePositionSet() throws IOException {
ensureAllNodesHaveValidBeginPosition("interface A { }");
}
@Test
void packageProtectedEnumShouldHavePositionSet() throws IOException {
ensureAllNodesHaveValidBeginPosition("enum A { }");
}
@Test
void packageProtectedAnnotationShouldHavePositionSet() throws IOException {
ensureAllNodesHaveValidBeginPosition("@interface A { }");
}
@Test
void packageProtectedFieldShouldHavePositionSet() throws IOException {
ensureAllNodesHaveValidBeginPosition("public class A { int i; }");
}
@Test
void packageProtectedMethodShouldHavePositionSet() throws IOException {
ensureAllNodesHaveValidBeginPosition("public class A { void foo() {} }");
}
@Test
void packageProtectedConstructorShouldHavePositionSet() throws IOException {
ensureAllNodesHaveValidBeginPosition("public class A { A() {} }");
}
private void ensureAllNodesHaveValidBeginPosition(final String code) {
ParseResult<CompilationUnit> res = new JavaParser().parse(ParseStart.COMPILATION_UNIT, Providers.provider(code));
assertTrue(res.getProblems().isEmpty());
CompilationUnit cu = res.getResult().get();
getAllNodes(cu).forEach(n -> {
assertNotNull(n.getRange(), String.format("There should be no node without a range: %s (class: %s)",
n, n.getClass().getCanonicalName()));
if (n.getBegin().get().line == 0 && !n.toString().isEmpty()) {
throw new IllegalArgumentException("There should be no node at line 0: " + n + " (class: "
+ n.getClass().getCanonicalName() + ")");
}
});
}
}