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test/tools/javac/lambda/LambdaEffectivelyFinalTest.java@5ddecb91d843 (annotated)

test/tools/javac/lambda/LambdaEffectivelyFinalTest.java

Tue, 12 Mar 2013 16:02:43 +0000

author

mcimadamore

date

Tue, 12 Mar 2013 16:02:43 +0000

changeset 1628

5ddecb91d843

parent 0

959103a6100f

permissions

-rw-r--r--

8009545: Graph inference: dependencies between inference variables should be set during incorporation
Summary: Move all transitivity checks into the incorporation round
Reviewed-by: jjg

aoqi@0	1	/*
aoqi@0	2	* @test /nodynamiccopyright/
aoqi@0	3	* @bug 8003280
aoqi@0	4	* @summary Add lambda tests
aoqi@0	5	* Integrate efectively final check with DA/DU analysis
aoqi@0	6	* @compile/fail/ref=LambdaEffectivelyFinalTest.out -XDrawDiagnostics LambdaEffectivelyFinalTest.java
aoqi@0	7	*/
aoqi@0	8	class LambdaEffectivelyFinalTest {
aoqi@0	9
aoqi@0	10	interface SAM {
aoqi@0	11	int m();
aoqi@0	12	}
aoqi@0	13
aoqi@0	14	void foo(LambdaEffectivelyFinalTest.SAM s) { }
aoqi@0	15
aoqi@0	16	void m1(int x) {
aoqi@0	17	int y = 1;
aoqi@0	18	foo(() -> x+y); // Legal: x and y are both effectively final.
aoqi@0	19	}
aoqi@0	20
aoqi@0	21	void m2(int x) {
aoqi@0	22	int y;
aoqi@0	23	y = 1;
aoqi@0	24	foo(() -> x+y); // Legal: x and y are both effectively final.
aoqi@0	25	}
aoqi@0	26
aoqi@0	27	void m3(int x, boolean cond) {
aoqi@0	28	int y;
aoqi@0	29	if (cond) y = 1;
aoqi@0	30	foo(() -> x+y); // Illegal: y is effectively final, but not definitely assigned.
aoqi@0	31	}
aoqi@0	32
aoqi@0	33	void m4(int x, boolean cond) {
aoqi@0	34	int y;
aoqi@0	35	if (cond) y = 1;
aoqi@0	36	else y = 2;
aoqi@0	37	foo(() -> x+y); // Legal: x and y are both effectively final.
aoqi@0	38	}
aoqi@0	39
aoqi@0	40	void m5(int x, boolean cond) {
aoqi@0	41	int y;
aoqi@0	42	if (cond) y = 1;
aoqi@0	43	y = 2;
aoqi@0	44	foo(() -> x+y); // Illegal: y is not effectively final.t EF
aoqi@0	45	}
aoqi@0	46
aoqi@0	47	void m6(int x) {
aoqi@0	48	foo(() -> x+1);
aoqi@0	49	x++; // Illegal: x is not effectively final.
aoqi@0	50	}
aoqi@0	51
aoqi@0	52	void m7(int x) {
aoqi@0	53	foo(() -> x=1); // Illegal: x in the assignment does not denote a variable (see 6.5.6.1)
aoqi@0	54	}
aoqi@0	55
aoqi@0	56	void m8() {
aoqi@0	57	int y;
aoqi@0	58	foo(() -> y=1); // Illegal: y in the assignment does not denote a variable (see 6.5.6.1)
aoqi@0	59	}
aoqi@0	60	}