/* * Copyright (c) 2013, 2016, 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.
*/
/** * {@code JavapTester} is an abstract test-driver that provides the logic * to execute test-cases, grouped by test classes. * A test class is a main class extending this class, that instantiate * itself, and calls the {@link run} method, passing any command line * arguments. * <p> * The {@code run} method, expects arguments to identify test-case classes. * A test-case class is a class extending the test class, and annotated * with {@code TestCase}. * <p> * If no test-cases are specified, the test class directory is searched for * co-located test-case classes (i.e. any class extending the test class, * annotated with {@code TestCase}). * <p> * Besides serving to group test-cases, extending the driver allow * setting up a test-case template, and possibly overwrite default * test-driver behaviour.
*/ publicabstractclass JavapTester {
/** * Test-cases must be marked with the {@code TestCase} annotation, * as well as extend {@code JavapTester} (or an driver extension * specified as the first argument to the {@code main()} method.
*/
@Retention(RetentionPolicy.RUNTIME)
@interface TestCase { }
/** * Individual test-cases failing due to product bugs, may temporarily * be excluded by marking them like this, (where "at-" is replaced by "@") * at-ignore // 1234567: bug synopsis
*/
@Retention(RetentionPolicy.RUNTIME)
@interface ignore { }
/** * Test-cases are classes extending {@code JavapTester}, and * calling {@link setSrc}, followed by one or more invocations * of {@link verify} in the body of the constructor. * <p> * Sets a default test-case template, which is empty except * for a key of {@code "TESTCASE"}. * Subclasses will typically call {@code setSrc(TestSource)} * to setup a useful test-case template.
*/ public JavapTester() { this.testCase = this.getClass().getName();
src = new TestSource("TESTCASE");
}
/** * Set the top-level source template.
*/ protected JavapTester setSrc(TestSource src) { this.src = src; returnthis;
}
/** * Convenience method for calling {@code innerSrc(key, new TestSource(...))}.
*/ protected JavapTester innerSrc(String key, String... lines) { return innerSrc(key, new TestSource(lines));
}
/** * Specialize the testcase template, setting replacement content * for the specified key.
*/ protected JavapTester innerSrc(String key, TestSource content) { if (src == null) {
src = new TestSource(key);
}
src.setInner(key, content); returnthis;
}
/** * On the first invocation, call {@code execute()} to compile * the test-case source and process the resulting class(se) * into verifiable output. * <p> * Verify that the output matches each of the regular expressions * given as argument. * <p> * Any failure to match constitutes a test failure, but doesn't * abort the test-case. * <p> * Any exception (e.g. bad regular expression syntax) results in * a test failure, and aborts the test-case.
*/ protectedvoid verify(String... expect) { if (!didExecute) { try {
execute();
} catch(Exception ue) { thrownew Error(ue);
} finally {
didExecute = true;
}
} if (output == null) {
error("output is null"); return;
} for (String e: expect) { // Escape regular expressions (to allow input to be literals). // Notice, characters to be escaped are themselves identified // using regular expressions
String rc[] = { "(", ")", "[", "]", "{", "}", "$" }; for (String c : rc) {
e = e.replace(c, "\\" + c);
} // DEBUG: Uncomment this to test modulo constant pool index. // e = e.replaceAll("#[0-9]{2}", "#[0-9]{2}"); if (!output.matches("(?s).*" + e + ".*")) { if (!didPrint) {
out.println(output);
didPrint = true;
}
error("not matched: '" + e + "'");
} elseif(debug) {
out.println("matched: '" + e + "'");
}
}
}
/** * Calls {@code writeTestFile()} to write out the test-case source * content to a file, then call {@code compileTestFile()} to * compile it, and finally run the {@link process} method to produce * verifiable output. The default {@code process} method runs javap. * <p> * If an exception occurs, it results in a test failure, and * aborts the test-case.
*/ protectedvoid execute() throws IOException {
err.println("TestCase: " + testCase);
writeTestFile();
compileTestFile();
process();
}
/** * Generate java source from test-case. * TBD: change to use javaFileObject, possibly make * this class extend JavaFileObject.
*/ protectedvoid writeTestFile() throws IOException {
javaFile = new File("Test.java");
FileWriter fw = new FileWriter(javaFile);
BufferedWriter bw = new BufferedWriter(fw);
PrintWriter pw = new PrintWriter(bw); for (String line : src) {
pw.println(line); if (debug) out.println(line);
}
pw.close();
}
/** * The TestSource class provides a simple container for * test cases. It contains an array of source code lines, * where zero or more lines may be markers for nested lines. * This allows representing templates, with specialization. * <P> * This may be generalized to support more advance combo * tests, but presently it's only used with a static template, * and one level of specialization.
*/ publicclass TestSource implements Iterable<String> {
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.