Files
openide/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/valuebased/ExtendValueBasedClass.java
Nikita Eshkeev 7760811391 [inspection] IDEA-257415 Warnings for value-based classes (Java 16)
This patch adds the inspection to detect usages of value-based classes' instances as monitors in the synchronize statement.

Signed-off-by: Nikita Eshkeev <nikita.eshkeev@jetbrains.com>

GitOrigin-RevId: 178533c1415b2a8f11d48db17c19baa7e6ff4d1a
2020-12-24 02:00:16 +00:00

26 lines
783 B
Java

import valuebased.classes.AbstractValueBased;
class AC extends AbstractValueBased {
final AC ac = new AC();
final Object objectAc = new AC();
{
final AC localAc = new AC();
synchronized (<warning descr="Attempt to synchronize on an instance of a value-based class">ac</warning>) {}
synchronized (<warning descr="Attempt to synchronize on an instance of a value-based class">objectAc</warning>) {}
synchronized (<warning descr="Attempt to synchronize on an instance of a value-based class">localAc</warning>) {}
synchronized (AC.class) {}
f(ac);
g(ac);
}
void f(AC ac) {
synchronized (<warning descr="Attempt to synchronize on an instance of a value-based class">ac</warning>) {}
}
void g(Object ac) {
synchronized (ac) {}
}
}