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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2016 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.utils;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.junit.Test;
import com.github.javaparser.JavaParser;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.visitor.ObjectIdentityEqualsVisitor;
import com.github.javaparser.ast.visitor.ObjectIdentityHashCodeVisitor;
public class VisitorListTest {
@Test
public void visitorAddAll() {
List<CompilationUnit> list = new ArrayList<>();
list.add(JavaParser.parse("class X{}"));
list.add(JavaParser.parse("class X{}"));
VisitorList<CompilationUnit> vList = new VisitorList<>(new ObjectIdentityHashCodeVisitor(),
new ObjectIdentityEqualsVisitor());
vList.addAll(list);
for (int i = 0; i < list.size(); i++)
assertEquals(list.get(i), vList.get(i));
}
@Test
public void visitorAddAllAtIndex() {
List<CompilationUnit> list = new ArrayList<>();
list.add(JavaParser.parse("class X{}"));
list.add(JavaParser.parse("class Y{}"));
VisitorList<CompilationUnit> vList = new VisitorList<>(new ObjectIdentityHashCodeVisitor(),
new ObjectIdentityEqualsVisitor());
vList.add(JavaParser.parse("class A{}"));
vList.add(JavaParser.parse("class B{}"));
vList.addAll(2, list);
vList.add(JavaParser.parse("class C{}"));
for (int i = 0; i < list.size(); i++)
assertEquals(list.get(i), vList.get(2 + i));
}
@Test
public void visitorListContains() {
CompilationUnit x1 = JavaParser.parse("class X{}");
VisitorList<CompilationUnit> list = new VisitorList<>(new ObjectIdentityHashCodeVisitor(),
new ObjectIdentityEqualsVisitor());
list.add(x1);
assertTrue(list.contains(x1));
}
@Test
public void visitorListContainsAll() {
List<CompilationUnit> list = new ArrayList<>();
list.add(JavaParser.parse("class X{}"));
list.add(JavaParser.parse("class X{}"));
VisitorList<CompilationUnit> vList = new VisitorList<>(new ObjectIdentityHashCodeVisitor(),
new ObjectIdentityEqualsVisitor());
vList.addAll(list);
assertTrue(vList.size() == 2 && vList.containsAll(list));
}
@Test
public void visitorListIterator() {
VisitorList<CompilationUnit> list = new VisitorList<>(new ObjectIdentityHashCodeVisitor(),
new ObjectIdentityEqualsVisitor());
CompilationUnit x1 = JavaParser.parse("class X{}");
list.add(x1);
CompilationUnit x2 = JavaParser.parse("class X{}");
list.add(x2);
Iterator<CompilationUnit> itr = list.iterator();
assertEquals(x1, itr.next());
itr.remove();
assertTrue(list.size() == 1);
assertEquals(x2, itr.next());
itr.remove();
assertTrue(list.size() == 0);
}
@Test
public void visitorListListIterator() {
VisitorList<CompilationUnit> list = new VisitorList<>(new ObjectIdentityHashCodeVisitor(),
new ObjectIdentityEqualsVisitor());
list.add(JavaParser.parse("class X{}"));
list.add(JavaParser.parse("class X{}"));
CompilationUnit x1 = JavaParser.parse("class X{}");
list.add(x1);
CompilationUnit x2 = JavaParser.parse("class X{}");
list.add(x2);
Iterator<CompilationUnit> itr = list.listIterator(2);
assertEquals(x1, itr.next());
itr.remove();
assertTrue(list.size() == 3);
assertEquals(x2, itr.next());
itr.remove();
assertTrue(list.size() == 2);
}
@Test
public void visitorListRemove() {
CompilationUnit x1 = JavaParser.parse("class X{}");
VisitorList<CompilationUnit> list = new VisitorList<>(new ObjectIdentityHashCodeVisitor(),
new ObjectIdentityEqualsVisitor());
list.add(x1);
assertTrue(list.remove(x1));
}
@Test
public void visitorListRemoveAll() {
List<CompilationUnit> list = new ArrayList<>();
list.add(JavaParser.parse("class X{}"));
list.add(JavaParser.parse("class X{}"));
VisitorList<CompilationUnit> vList = new VisitorList<>(new ObjectIdentityHashCodeVisitor(),
new ObjectIdentityEqualsVisitor());
vList.addAll(list);
vList.removeAll(list);
assertTrue(vList.size() == 0);
}
@Test
public void visitorListRetainAll() {
List<CompilationUnit> list = new ArrayList<>();
list.add(JavaParser.parse("class X{}"));
list.add(JavaParser.parse("class X{}"));
VisitorList<CompilationUnit> vList = new VisitorList<>(new ObjectIdentityHashCodeVisitor(),
new ObjectIdentityEqualsVisitor());
vList.addAll(list);
vList.add(JavaParser.parse("class X{}"));
vList.retainAll(list);
assertTrue(vList.size() == 2);
}
@Test
public void visitorListSubList() {
VisitorList<CompilationUnit> list = new VisitorList<>(new ObjectIdentityHashCodeVisitor(),
new ObjectIdentityEqualsVisitor());
list.add(JavaParser.parse("class X{}"));
list.add(JavaParser.parse("class X{}"));
list.add(JavaParser.parse("class X{}"));
list.add(JavaParser.parse("class X{}"));
assertTrue(list.size() == 4);
List<CompilationUnit> subLst = list.subList(1, 3);
assertTrue(subLst.size() == 2);
subLst.add(JavaParser.parse("class X{}"));
assertTrue(subLst.size() == 3);
assertTrue(list.size() == 5);
}
@Test
public void visitorListToArray() {
List<CompilationUnit> list = new ArrayList<>();
list.add(JavaParser.parse("class X{}"));
list.add(JavaParser.parse("class X{}"));
List<CompilationUnit> vList = new VisitorList<>(new ObjectIdentityHashCodeVisitor(),
new ObjectIdentityEqualsVisitor());
vList.addAll(list);
for (CompilationUnit u : vList.toArray(new CompilationUnit[2]))
assertTrue(vList.contains(u));
}
}
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