8aa50288a1
8307444: java.lang.AssertionError when using unnamed patterns 8307482: Compiler should accept var _ in nested patterns in switch case 8307007: Implementation for javax.lang.model for unnamed variables (Preview) 8308312: Compiler should fail when a local variable declaration does not include an Identifier and does not have an initializer 8308309: Compiler should accept mixed masked and unmasked variables in lambda parameters Co-authored-by: Jan Lahoda <jlahoda@openjdk.org> Co-authored-by: Aggelos Biboudis <abimpoudis@openjdk.org> Reviewed-by: vromero, darcy
123 lines
4.5 KiB
Java
123 lines
4.5 KiB
Java
/*
|
|
* Copyright (c) 2020, 2022, 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
|
|
* @enablePreview
|
|
* @summary Test behavior of Pretty
|
|
* @modules jdk.compiler
|
|
*/
|
|
|
|
import java.io.IOException;
|
|
import java.io.StringWriter;
|
|
import java.net.URI;
|
|
import java.util.Arrays;
|
|
import java.util.List;
|
|
|
|
import javax.tools.*;
|
|
|
|
import com.sun.source.tree.CompilationUnitTree;
|
|
import com.sun.source.util.JavacTask;
|
|
|
|
public class PrettyTest {
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
new PrettyTest().run();
|
|
}
|
|
|
|
void run() throws Exception {
|
|
String code = "class Test {\n" +
|
|
" boolean t(Object o) {\n" +
|
|
" boolean b;\n" +
|
|
" boolean _ = true;\n" +
|
|
" b = o instanceof String s;\n" +
|
|
" b = o instanceof R(String s);\n" +
|
|
" b = o instanceof R(var s);\n" +
|
|
" b = o instanceof R2(R(var s), String t);\n" +
|
|
" b = o instanceof R2(R(var s), var t);\n" +
|
|
" b = o instanceof R(String _);\n" +
|
|
" b = o instanceof R2(R(var _), var _);\n" +
|
|
" b = o instanceof R2(R(_), var t);\n" +
|
|
" }\n" +
|
|
" record R(String s) {}\n" +
|
|
" record R2(R r, String s) {}\n" +
|
|
"}\n";
|
|
String pretty = parse(code).toString().replaceAll("\\R", "\n");
|
|
String expected = """
|
|
\n\
|
|
class Test {
|
|
\n\
|
|
boolean t(Object o) {
|
|
boolean b;
|
|
boolean _ = true;
|
|
b = o instanceof String s;
|
|
b = o instanceof R(String s);
|
|
b = o instanceof R(/*missing*/ s);
|
|
b = o instanceof R2(R(/*missing*/ s), String t);
|
|
b = o instanceof R2(R(/*missing*/ s), /*missing*/ t);
|
|
b = o instanceof R(String _);
|
|
b = o instanceof R2(R(/*missing*/ _), /*missing*/ _);
|
|
b = o instanceof R2(R(_), /*missing*/ t);
|
|
}
|
|
\n\
|
|
class R {
|
|
private final String s;
|
|
}
|
|
\n\
|
|
class R2 {
|
|
private final R r;
|
|
private final String s;
|
|
}
|
|
}""";
|
|
if (!expected.equals(pretty)) {
|
|
throw new AssertionError("Actual prettified source: " + pretty);
|
|
}
|
|
}
|
|
|
|
private CompilationUnitTree parse(String code) throws IOException {
|
|
final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
|
|
assert tool != null;
|
|
DiagnosticListener<JavaFileObject> noErrors = d -> {};
|
|
|
|
StringWriter out = new StringWriter();
|
|
JavacTask ct = (JavacTask) tool.getTask(out, null, noErrors,
|
|
List.of(), null,
|
|
Arrays.asList(new MyFileObject(code)));
|
|
return ct.parse().iterator().next();
|
|
}
|
|
|
|
static class MyFileObject extends SimpleJavaFileObject {
|
|
private String text;
|
|
|
|
public MyFileObject(String text) {
|
|
super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
|
|
this.text = text;
|
|
}
|
|
|
|
@Override
|
|
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
|
|
return text;
|
|
}
|
|
}
|
|
}
|