129 lines
4.9 KiB
Java
129 lines
4.9 KiB
Java
/*
|
|
* Copyright (c) 2011, 2018, 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.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 7025809 8028543 6415644 8028544 8029942 8187951 8193291 8196551
|
|
* @summary Test latest, latestSupported, underscore as keyword, etc.
|
|
* @author Joseph D. Darcy
|
|
* @modules java.compiler
|
|
* jdk.compiler
|
|
*/
|
|
|
|
import java.util.*;
|
|
import javax.lang.model.SourceVersion;
|
|
import static javax.lang.model.SourceVersion.*;
|
|
|
|
/**
|
|
* Verify latest[Supported] behavior.
|
|
*/
|
|
public class TestSourceVersion {
|
|
public static void main(String... args) {
|
|
testLatestSupported();
|
|
testVersionVaryingKeywords();
|
|
testRestrictedKeywords();
|
|
testVar();
|
|
}
|
|
|
|
private static void testLatestSupported() {
|
|
SourceVersion[] values = SourceVersion.values();
|
|
SourceVersion last = values[values.length - 1];
|
|
SourceVersion latest = SourceVersion.latest();
|
|
SourceVersion latestSupported = SourceVersion.latestSupported();
|
|
|
|
if (latest == last &&
|
|
latestSupported == SourceVersion.valueOf("RELEASE_" + Runtime.version().feature()) &&
|
|
(latest == latestSupported || (latest.ordinal() - latestSupported.ordinal() == 1)) )
|
|
return;
|
|
else {
|
|
throw new RuntimeException("Unexpected release value(s) found:\n" +
|
|
"latest:\t" + latest + "\n" +
|
|
"latestSupported:\t" + latestSupported);
|
|
}
|
|
}
|
|
|
|
private static void testVersionVaryingKeywords() {
|
|
Map<String, SourceVersion> keyWordStart =
|
|
Map.of("strictfp", RELEASE_2,
|
|
"assert", RELEASE_4,
|
|
"enum", RELEASE_5,
|
|
"_", RELEASE_9);
|
|
|
|
for (Map.Entry<String, SourceVersion> entry : keyWordStart.entrySet()) {
|
|
String key = entry.getKey();
|
|
SourceVersion value = entry.getValue();
|
|
|
|
check(true, isKeyword(key), "keyword", latest());
|
|
check(false, isName(key), "name", latest());
|
|
|
|
for(SourceVersion version : SourceVersion.values()) {
|
|
boolean isKeyword = version.compareTo(value) >= 0;
|
|
|
|
check(isKeyword, isKeyword(key, version), "keyword", version);
|
|
check(!isKeyword, isName(key, version), "name", version);
|
|
}
|
|
}
|
|
}
|
|
|
|
private static void testRestrictedKeywords() {
|
|
// Restricted keywords are not full keywords
|
|
|
|
/*
|
|
* JLS 3.9
|
|
* " A further ten character sequences are restricted
|
|
* keywords: open, module, requires, transitive, exports,
|
|
* opens, to, uses, provides, and with"
|
|
*/
|
|
Set<String> restrictedKeywords =
|
|
Set.of("open", "module", "requires", "transitive", "exports",
|
|
"opens", "to", "uses", "provides", "with");
|
|
|
|
for(String key : restrictedKeywords) {
|
|
for(SourceVersion version : SourceVersion.values()) {
|
|
check(false, isKeyword(key, version), "keyword", version);
|
|
check(true, isName(key, version), "name", version);
|
|
}
|
|
}
|
|
}
|
|
|
|
private static void testVar() {
|
|
|
|
for(SourceVersion version : SourceVersion.values()) {
|
|
check(false, isKeyword("var", version), "keyword", version);
|
|
check(false, isKeyword("foo.var", version), "keyword", version);
|
|
check(false, isKeyword("var.foo", version), "keyword", version);
|
|
|
|
check(true, isName("var", version), "name", version);
|
|
check(true, isName("foo.var", version), "name", version);
|
|
check(true, isName("var.foo", version), "name", version);
|
|
}
|
|
}
|
|
|
|
private static void check(boolean result, boolean expected,
|
|
String message, SourceVersion version) {
|
|
if (result != expected) {
|
|
throw new RuntimeException("Unexpected " + message + "-ness of _ on " + version);
|
|
}
|
|
}
|
|
}
|