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/*
* Copyright (c) 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
* @summary Smoke test for nestmate classfile support
* @run main CheckNestmateAttrs
* @modules
* jdk.compiler
* jdk.jdeps/com.sun.tools.javap
*/
import java.io.PrintWriter;
import java.io.StringWriter;
import java.nio.file.Paths;
public class CheckNestmateAttrs {
private void test() { }
class Inner {
void m() {
class LocalInner {
void testInner() {
test();
}
}
}
}
static class Nested {
void s() {
class LocalNested { }
}
}
public static void main(String[] args) {
new CheckNestmateAttrs().run();
}
void run() {
String [] params = new String [] { "-v",
Paths.get(System.getProperty("test.classes"),
"CheckNestmateAttrs.class").toString() };
runCheck(params, new String [] {
"NestMembers:" +
" CheckNestmateAttrs$Nested" +
" CheckNestmateAttrs$Nested$1LocalNested" +
" CheckNestmateAttrs$Inner" +
" CheckNestmateAttrs$Inner$1LocalInner"
});
params = new String [] { "-v",
Paths.get(System.getProperty("test.classes"),
"CheckNestmateAttrs$Inner.class").toString() };
runCheck(params, new String [] { "NestHost: class CheckNestmateAttrs" });
params = new String [] { "-v",
Paths.get(System.getProperty("test.classes"),
"CheckNestmateAttrs$Nested.class").toString() };
runCheck(params, new String [] { "NestHost: class CheckNestmateAttrs" });
params = new String [] { "-v",
Paths.get(System.getProperty("test.classes"),
"CheckNestmateAttrs$Inner$1LocalInner.class").toString() };
runCheck(params, new String [] {
"NestHost: class CheckNestmateAttrs",
"0: aload_0",
"1: getfield #1 // Field this$1:LCheckNestmateAttrs$Inner;",
"4: getfield #3 // Field CheckNestmateAttrs$Inner.this$0:LCheckNestmateAttrs;",
"7: invokevirtual #4 // Method CheckNestmateAttrs.test:()V",
"10: return"
});
params = new String [] { "-v",
Paths.get(System.getProperty("test.classes"),
"CheckNestmateAttrs$Nested$1LocalNested.class").toString() };
runCheck(params, new String [] { "NestHost: class CheckNestmateAttrs" });
}
void runCheck(String [] params, String [] expectedOut) {
StringWriter s;
String out;
try (PrintWriter pw = new PrintWriter(s = new StringWriter())) {
com.sun.tools.javap.Main.run(params, pw);
out = s.toString();
}
for (String eo: expectedOut) {
if (!out.contains(eo)) {
System.out.println("Actual output: " + out);
throw new AssertionError("Missing output: " + eo);
}
}
}
}
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