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/*
* Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package global;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.IdentifierTree;
import com.sun.source.tree.MethodInvocationTree;
import com.sun.source.tree.Tree.Kind;
import com.sun.source.util.JavacTask;
import com.sun.source.util.TreePathScanner;
import com.sun.source.util.Trees;
import java.net.URI;
import java.util.Arrays;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import javax.tools.ToolProvider;
import junit.framework.TestCase;
public class MethodInvocationAttributionTest extends TestCase {
public MethodInvocationAttributionTest(String name) {
super(name);
}
static class MyFileObject extends SimpleJavaFileObject {
private String text;
public MyFileObject(String text) {
super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
this.text = text;
}
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
return text;
}
}
public void testSimple1() throws Exception {
final String code = "package test;\n" +
"import static java.nio.MappedByteBuffer.*;\n" +
"public class Test {\n" +
" private void x() {\n" +
" allocate(4);\n" +
" }\n" +
"}\n";
performTest(code);
}
public void testSimple2() throws Exception {
final String code = "package test;\n" +
"import java.nio.MappedByteBuffer;\n" +
"public class Test {\n" +
" private void x() {\n" +
" MappedByteBuffer.allocate(4);\n" +
" }\n" +
"}\n";
performTest(code);
}
public void testSimple3() throws Exception {
final String code = "package test;\n" +
"import javax.swing.SwingUtilities;\n" +
"public class Test {\n" +
" private void x() {\n" +
" int x = SwingUtilities.CENTER;\n" +
" }\n" +
"}\n";
performTest(code);
}
public void testSimple4() throws Exception {
final String code = "package test;\n" +
"import static javax.swing.SwingUtilities.*;\n" +
"public class Test {\n" +
" private void x() {\n" +
" int x = CENTER;\n" +
" }\n" +
"}\n";
performTest(code);
}
private void performTest(String code) throws Exception {
final String bootPath = System.getProperty("sun.boot.class.path"); //NOI18N
final String version = System.getProperty("java.vm.specification.version"); //NOI18N
final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
assert tool != null;
JavacTask ct = (JavacTask)tool.getTask(null, null, null, Arrays.asList("-bootclasspath", bootPath, "-source", version, "-Xjcov"), null, Arrays.asList(new MyFileObject(code)));
Iterable<? extends CompilationUnitTree> trees = ct.parse();
ct.analyze();
final Trees t = Trees.instance(ct);
new TreePathScanner<Void, Void>() {
@Override
public Void visitMethodInvocation(MethodInvocationTree node, Void p) {
if (node.getArguments().size() == 0) {
return null;
}
Element e = t.getElement(getCurrentPath());
assertEquals("allocate", e.getSimpleName().toString());
assertEquals("java.nio.ByteBuffer", ((TypeElement) e.getEnclosingElement()).getQualifiedName().toString());
return null;
}
@Override
public Void visitIdentifier(IdentifierTree node, Void p) {
if (getCurrentPath().getParentPath().getLeaf().getKind() != Kind.VARIABLE) {
return super.visitIdentifier(node, p);
}
Element e = t.getElement(getCurrentPath());
assertEquals("CENTER", e.getSimpleName().toString());
assertEquals("javax.swing.SwingConstants", ((TypeElement) e.getEnclosingElement()).getQualifiedName().toString());
return null;
}
}.scan(trees.iterator().next(), null);
}
}
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