jdk-24/test/langtools/tools/javac/ConditionalWithVoid.java
Joe Darcy bf2d27c5a4 8219254: Update explicit uses of latest source/target in langtools tests to a property
8219256: Update javac diags tests to use properties

Co-authored-by: Jonathan Gibbons <jonathan.gibbons@oracle.com>
Reviewed-by: jjg, jlahoda, darcy, iignatyev
2019-02-21 10:29:16 -08:00

21 lines
1.0 KiB
Java

/*
* @test /nodynamiccopyright/
* @bug 4974927 8064464
* @summary The compiler was allowing void types in its parsing of conditional expressions.
* @author tball
*
* @compile/fail/ref=ConditionalWithVoid.out --enable-preview -source ${jdk.version} -XDrawDiagnostics ConditionalWithVoid.java
*/
public class ConditionalWithVoid {
public void test(Object o, String s) {
// Should fail to compile since Object.wait() has a void return type. Poly case.
System.out.println(o instanceof String ? o.hashCode() : o.wait());
// Should fail to compile since Object.wait() has a void return type. Standalone case.
(o instanceof String ? o.hashCode() : o.wait()).toString();
// Should fail to compile since Object.wait() has a void return type. Poly case.
System.out.println(switch (s) {case "" -> o.hashCode(); default -> o.wait();});
// Should fail to compile since Object.wait() has a void return type. Standalone case.
(switch (s) {case "" -> o.hashCode(); default -> o.wait();}).toString();
}
}