jdk-24/test/langtools/tools/javac/lint/ExternalAbuseOfVbc.java
Jan Lahoda 7fcd5ca025 8266036: class file for sun.misc.Contended not found
8258421: (jdeprscan) tools/jdeprscan/tests/jdk/jdeprscan/TestRelease.java failed with "error: cannot access jdk.internal.ValueBased"

Reviewed-by: darcy
2021-07-07 09:49:53 +00:00

25 lines
976 B
Java

/*
* @test /nodynamiccopyright/
* @bug 8254274 8258421
* @summary lint should warn when an instance of a value based class is synchronized upon
* @compile/fail/ref=ExternalAbuseOfVbc.out -XDrawDiagnostics -Werror -Xlint ExternalAbuseOfVbc.java
* @compile/fail/ref=ExternalAbuseOfVbc.out -XDrawDiagnostics -Werror -Xlint:all ExternalAbuseOfVbc.java
* @compile/fail/ref=ExternalAbuseOfVbc.out -XDrawDiagnostics -Werror -Xlint:synchronization ExternalAbuseOfVbc.java
* @compile/fail/ref=ExternalAbuseOfVbc.out --release 16 -XDrawDiagnostics -Werror -Xlint:synchronization ExternalAbuseOfVbc.java
* @compile/ref=LintModeOffAbuseOfVbc.out -XDrawDiagnostics -Werror -Xlint:-synchronization ExternalAbuseOfVbc.java
*/
public final class ExternalAbuseOfVbc {
final Integer val = Integer.valueOf(42);
final String ref = "String";
void abuseVbc() {
synchronized(ref) { // OK
synchronized (val) { // WARN
}
}
}
}