jdk-24/test/langtools/tools/javac/patterns/UncheckedWarningOnMatchesTest.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

19 lines
605 B
Java

/*
* @test /nodynamiccopyright/
* @bug 8187429 8231827
* @summary Missing unchecked conversion warning
* @compile/fail/ref=UncheckedWarningOnMatchesTest.out -Xlint:unchecked -Werror -XDrawDiagnostics --enable-preview -source ${jdk.version} UncheckedWarningOnMatchesTest.java
*/
import java.util.ArrayList;
public class UncheckedWarningOnMatchesTest {
public static void main(String [] args) {
Object o = new ArrayList<UncheckedWarningOnMatchesTest>();
if (o instanceof ArrayList<Integer> ai) { // unchecked conversion
System.out.println("Blah");
}
}
}