jdk-24/test/langtools/tools/javac/patterns/PatternVariablesAreFinal.java
Jan Lahoda 229e0d1631 8231826: Implement javac changes for pattern matching for instanceof
Co-authored-by: Brian Goetz <brian.goetz@oracle.com>
Co-authored-by: Gavin Bierman <gavin.bierman@oracle.com>
Co-authored-by: Maurizio Cimadamore <maurizio.cimadamore@oracle.com>
Co-authored-by: Srikanth Adayapalam <srikanth.adayapalam@oracle.com>
Co-authored-by: Vicente Romero <vicente.romero@oracle.com>
Reviewed-by: mcimadamore
2019-11-27 09:00:01 +01:00

17 lines
559 B
Java

/*
* @test /nodynamiccopyright/
* @bug 8231827
* @summary Ensure that in type test patterns, the predicate is not trivially provable false.
* @compile/fail/ref=PatternVariablesAreFinal.out -XDrawDiagnostics --enable-preview -source ${jdk.version} PatternVariablesAreFinal.java
*/
public class PatternVariablesAreFinal {
public static void main(String[] args) {
Object o = 32;
if (o instanceof String s) {
s = "hello again";
System.out.println(s);
}
System.out.println("test complete");
}
}