/* * Copyright (c) 2021, Oracle and/or its affiliates. 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. * * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions.
*/
/** * Scans for tests in the same source directory that use the DocCommentTester framework, * and for those tests, scans for doc comments, counting the number of occurrences * of different kinds of DocTree nodes. The number are mostly just informational, * except for the (implicit) zeroes, indicating that no instances of a kind of tree * have been detected ... which is a hole in the coverage. * * If desired, we could enhance the DocTreeScanner to track different variants of * specific kinds of tree nodes.
*/ publicclass CoverageTest { publicstaticvoid main(String... args) throws Exception { new CoverageTest().run(args);
}
// Note: DOC_TYPE cannot appear in any doc comment in a *.java file, // and OTHER is a special value that never appears in any standard DocTree node.
List<DocTree.Kind> notFound = Stream.of(DocTree.Kind.values())
.filter(k -> switch (k) { case DOC_TYPE, OTHER -> false; default -> true; })
.filter(k -> !counts.containsKey(k))
.toList();
if (!notFound.isEmpty()) {
System.err.println();
System.err.println("ERROR: The following kinds were not found: " + notFound.stream()
.map(DocTree.Kind::name)
.collect(Collectors.joining(", ")));
System.err.println(); thrownew Exception("Not Found: " + notFound);
}
}
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