jdk-24/test/langtools/tools/javac/switchexpr/ExpressionSwitchFlow.java
Joe Darcy b5f0eec3d8 8205626: Start of release updates for JDK 13
8205393: Add SourceVersion.RELEASE_13
8205394: Add source 13 and target 13 to javac
8205645: Bump maximum recognized class file version to 57 for JDK 13
8214825: Update preview language features for start of JDK 13

Reviewed-by: erikj, alanb, mchung, mcimadamore, dholmes, smarks, jjg
2018-12-13 19:06:11 +01:00

67 lines
1.6 KiB
Java

/*
* @test /nodynamiccopyright/
* @bug 8212982
* @summary Verify a compile-time error is produced if switch expression does not provide a value
* @compile/fail/ref=ExpressionSwitchFlow.out --enable-preview -source 13 -XDrawDiagnostics ExpressionSwitchFlow.java
*/
public class ExpressionSwitchFlow {
private String test1(int i) {
return switch (i) {
case 0 -> {}
default -> { break "other"; }
};
}
private String test2(int i) {
return switch (i) {
case 0 -> {
}
default -> "other";
};
}
private String test3(int i) {
return switch (i) {
case 0 -> {}
default -> throw new IllegalStateException();
};
}
private String test4(int i) {
return switch (i) {
case 0 -> { break "other"; }
default -> {}
};
}
private String test5(int i) {
return switch (i) {
case 0 -> "other";
default -> {}
};
}
private String test6(int i) {
return switch (i) {
case 0 -> throw new IllegalStateException();
default -> {}
};
}
private String test7(int i) {
return switch (i) {
case 0: throw new IllegalStateException();
default:
};
}
private String test8(int i) {
return switch (i) {
case 0: i++;
default: {
}
};
}
private String test9(int i) {
return switch (i) {
case 0:
default:
System.err.println();
};
}
}