| /* |
| * @test /nodynamiccopyright/ |
| * @bug 8003280 |
| * @summary Add lambda tests |
| * Integrate efectively final check with DA/DU analysis |
| * @compile/fail/ref=LambdaEffectivelyFinalTest.out -XDrawDiagnostics LambdaEffectivelyFinalTest.java |
| */ |
| class LambdaEffectivelyFinalTest { |
| |
| interface SAM { |
| int m(); |
| } |
| |
| void foo(LambdaEffectivelyFinalTest.SAM s) { } |
| |
| void m1(int x) { |
| int y = 1; |
| foo(() -> x+y); // Legal: x and y are both effectively final. |
| } |
| |
| void m2(int x) { |
| int y; |
| y = 1; |
| foo(() -> x+y); // Legal: x and y are both effectively final. |
| } |
| |
| void m3(int x, boolean cond) { |
| int y; |
| if (cond) y = 1; |
| foo(() -> x+y); // Illegal: y is effectively final, but not definitely assigned. |
| } |
| |
| void m4(int x, boolean cond) { |
| int y; |
| if (cond) y = 1; |
| else y = 2; |
| foo(() -> x+y); // Legal: x and y are both effectively final. |
| } |
| |
| void m5(int x, boolean cond) { |
| int y; |
| if (cond) y = 1; |
| y = 2; |
| foo(() -> x+y); // Illegal: y is not effectively final.t EF |
| } |
| |
| void m6(int x) { |
| foo(() -> x+1); |
| x++; // Illegal: x is not effectively final. |
| } |
| |
| void m7(int x) { |
| foo(() -> x=1); // Illegal: x in the assignment does not denote a variable (see 6.5.6.1) |
| } |
| |
| void m8() { |
| int y; |
| foo(() -> y=1); // Illegal: y in the assignment does not denote a variable (see 6.5.6.1) |
| } |
| } |