test/langtools/tools/javac/tree/T6963934.java

/*
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 * 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).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 */

/*
 * @test
 * @bug     6963934
 * @summary JCCompilationUnit.getImports does not report all imports
 * @modules jdk.compiler
 */

import java.io.File;
import javax.tools.JavaCompiler;
import javax.tools.StandardJavaFileManager;
import javax.tools.ToolProvider;; // NOTE: extra semicolon for test

import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.ImportTree;
import com.sun.source.util.JavacTask;
; // NOTE: extra semicolon for test

public class T6963934 {
    public static void main(String[] args) throws Exception {
        File testSrc = new File(System.getProperty("test.src"));
        File thisSrc = new File(testSrc, T6963934.class.getSimpleName() + ".java");
        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
        try (StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null)) {
            JavacTask task = (JavacTask) compiler.getTask(null, fileManager, null, null, null,
                    fileManager.getJavaFileObjects(thisSrc));
            CompilationUnitTree tree = task.parse().iterator().next();
            int count = 0;
            for (ImportTree importTree : tree.getImports()) {
                System.out.println(importTree);
                count++;
            }
            int expected = 7;
            if (count != expected)
                throw new Exception("unexpected number of imports found: " + count + ", expected: " + expected);
        }
    }
}