/*
* Copyright (c) 2008, 2009, 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.
*
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* questions.
*/
/* @test
* @bug 4313887 6866397
* @summary Unit test for java.nio.file.PathMatcher
*/
import java.nio.file.*;
import java.util.regex.PatternSyntaxException;
public class Basic {
static int failures;
static void match(String name, String pattern, boolean expectedToMatch) {
System.out.format("%s -> %s", name, pattern);
Path file = Paths.get(name);
boolean matched = file.getFileSystem()
.getPathMatcher("glob:" + pattern).matches(file);
if (matched)
System.out.print(" (matched)");
else
System.out.print(" (no match)");
if (matched != expectedToMatch) {
System.out.println(" ==> UNEXPECTED RESULT!");
failures++;
} else {
System.out.println(" OKAY");
}
}
static void assertMatch(String path, String pattern) {
match(path, pattern, true);
}
static void assertNotMatch(String path, String pattern) {
match(path, pattern, false);
}
static void assertBadPattern(String path, String pattern) {
System.out.format("Compile bad pattern %s\t", pattern);
try {
FileSystems.getDefault().getPathMatcher("glob:" + pattern);
System.out.println("Compiled ==> UNEXPECTED RESULT!");
failures++;
} catch (PatternSyntaxException e) {
System.out.println("Failed to compile ==> OKAY");
}
}
static void assertRegExMatch(String path, String pattern) {
System.out.format("Test regex pattern: %s", pattern);
Path file = Paths.get(path);
boolean matched = file.getFileSystem()
.getPathMatcher("regex:" + pattern).matches(file);
if (matched) {
System.out.println(" OKAY");
} else {
System.out.println(" ==> UNEXPECTED RESULT!");
failures++;
}
}
public static void main(String[] args) {
// basic
assertMatch("foo.html", "foo.html");
assertNotMatch("foo.html", "foo.htm");
assertNotMatch("foo.html", "bar.html");
// match zero or more characters
assertMatch("foo.html", "f*");
assertMatch("foo.html", "*.html");
assertMatch("foo.html", "foo.html*");
assertMatch("foo.html", "*foo.html");
assertMatch("foo.html", "*foo.html*");
assertNotMatch("foo.html", "*.htm");
assertNotMatch("foo.html", "f.*");
// match one character
assertMatch("foo.html", "?oo.html");
assertMatch("foo.html", "??o.html");
assertMatch("foo.html", "???.html");
assertMatch("foo.html", "???.htm?");
assertNotMatch("foo.html", "foo.???");
// group of subpatterns
assertMatch("foo.html", "foo{.html,.class}");
assertMatch("foo.html", "foo.{class,html}");
assertNotMatch("foo.html", "foo{.htm,.class}");
// bracket expressions
assertMatch("foo.html", "[f]oo.html");
assertMatch("foo.html", "[e-g]oo.html");
assertMatch("foo.html", "[abcde-g]oo.html");
assertMatch("foo.html", "[abcdefx-z]oo.html");
assertMatch("foo.html", "[!a]oo.html");
assertMatch("foo.html", "[!a-e]oo.html");
assertMatch("foo-bar", "foo[-a-z]bar"); // match dash
assertMatch("foo.html", "foo[!-]html"); // match !dash
// groups of subpattern with bracket expressions
assertMatch("foo.html", "[f]oo.{[h]tml,class}");
assertMatch("foo.html", "foo.{[a-z]tml,class}");
assertMatch("foo.html", "foo.{[!a-e]tml,.class}");
// assume special characters are allowed in file names
assertMatch("{foo}.html", "\\{foo*");
assertMatch("{foo}.html", "*\\}.html");
assertMatch("[foo].html", "\\[foo*");
assertMatch("[foo].html", "*\\].html");
// errors
assertBadPattern("foo.html", "*[a--z]"); // bad range
assertBadPattern("foo.html", "*[a--]"); // bad range
assertBadPattern("foo.html", "*[a-z"); // missing ]
assertBadPattern("foo.html", "*{class,java"); // missing }
assertBadPattern("foo.html", "*.{class,{.java}}"); // nested group
assertBadPattern("foo.html", "*.html\\"); // nothing to escape
// platform specific
if (System.getProperty("os.name").startsWith("Windows")) {
assertMatch("C:\\foo", "C:\\\\f*");
assertMatch("C:\\FOO", "c:\\\\f*");
assertMatch("C:\\foo\\bar\\gus", "C:\\\\**\\\\gus");
assertMatch("C:\\foo\\bar\\gus", "C:\\\\**");
} else {
assertMatch("/tmp/foo", "/tmp/*");
assertMatch("/tmp/foo/bar", "/tmp/**");
// some special characters not allowed on Windows
assertMatch("myfile?", "myfile\\?");
assertMatch("one\\two", "one\\\\two");
assertMatch("one*two", "one\\*two");
}
// regex syntax
assertRegExMatch("foo.html", ".*\\.html");
if (System.getProperty("os.name").startsWith("Windows")) {
assertRegExMatch("foo012", "foo\\d+");
assertRegExMatch("fo o", "fo\\so");
assertRegExMatch("foo", "\\w+");
}
// unknown syntax
try {
System.out.format("Test unknown syntax");
FileSystems.getDefault().getPathMatcher("grep:foo");
System.out.println(" ==> NOT EXPECTED TO COMPILE");
failures++;
} catch (UnsupportedOperationException e) {
System.out.println(" OKAY");
}
if (failures > 0)
throw new RuntimeException(failures +
" sub-test(s) failed - see log for details");
}
}