jdk-24/test/langtools/tools/javac/lvti/SelfRefTest.java
Maurizio Cimadamore c825188cd8 8177466: Add compiler support for local variable type-inference
Add support for 'var' in implicitly typed local variable declarations

Reviewed-by: vromero, jlahoda
2017-09-26 12:52:53 +01:00

24 lines
693 B
Java

/*
* @test /nodynamiccopyright/
* @bug 8177466
* @summary Add compiler support for local variable type-inference
* @compile/fail/ref=SelfRefTest.out -XDrawDiagnostics SelfRefTest.java
*/
import java.util.function.Function;
class SelfRefTest {
int q() { return 42; }
int m(int t) { return t; }
void test(boolean cond) {
var x = cond ? x : x; //error - self reference
var y = (Function<Integer, Integer>)(Integer y) -> y; //error - bad shadowing
var z = (Runnable)() -> { int z2 = m(z); }; //error - self reference
var w = new Object() { int w = 42; void test() { int w2 = w; } }; //ok
int u = u; //ok
int q = q(); //ok
}
}