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test/tools/javac/generics/diamond/neg/Neg01.java@9d9d08922405 (annotated)

test/tools/javac/generics/diamond/neg/Neg01.java

Wed, 14 Apr 2010 12:31:55 +0100

author

mcimadamore

date

Wed, 14 Apr 2010 12:31:55 +0100

changeset 537

9d9d08922405

child 543

97b6fa97b8dd

permissions

-rw-r--r--

6939620: Switch to 'complex' diamond inference scheme
Summary: Implement new inference scheme for diamond operator that takes into account type of actual arguments supplied to constructor
Reviewed-by: jjg, darcy

mcimadamore@537	1	/*
mcimadamore@537	2	* @test /nodynamiccopyright/
mcimadamore@537	3	* @bug 6939620
mcimadamore@537	4	*
mcimadamore@537	5	* @summary Switch to 'complex' diamond inference scheme
mcimadamore@537	6	* @author mcimadamore
mcimadamore@537	7	* @compile/fail/ref=Neg01.out Neg01.java -XDrawDiagnostics
mcimadamore@537	8	*
mcimadamore@537	9	*/
mcimadamore@537	10
mcimadamore@537	11	class Neg01<X extends Number> {
mcimadamore@537	12
mcimadamore@537	13	Neg01(X x) {}
mcimadamore@537	14
mcimadamore@537	15	<Z> Neg01(X x, Z z) {}
mcimadamore@537	16
mcimadamore@537	17	void test() {
mcimadamore@537	18	Neg01<String> n1 = new Neg01<>("");
mcimadamore@537	19	Neg01<? extends String> n2 = new Neg01<>("");
mcimadamore@537	20	Neg01<?> n3 = new Neg01<>("");
mcimadamore@537	21	Neg01<? super String> n4 = new Neg01<>("");
mcimadamore@537	22
mcimadamore@537	23	Neg01<String> n5 = new Neg01<>(""){};
mcimadamore@537	24	Neg01<? extends String> n6 = new Neg01<>(""){};
mcimadamore@537	25	Neg01<?> n7 = new Neg01<>(""){};
mcimadamore@537	26	Neg01<? super String> n8 = new Neg01<>(""){};
mcimadamore@537	27
mcimadamore@537	28	Neg01<String> n9 = new Neg01<>("", "");
mcimadamore@537	29	Neg01<? extends String> n10 = new Neg01<>("", "");
mcimadamore@537	30	Neg01<?> n11 = new Neg01<>("", "");
mcimadamore@537	31	Foo<? super String> n12 = new Neg01<>("", "");
mcimadamore@537	32
mcimadamore@537	33	Neg01<String> n13 = new Neg01<>("", ""){};
mcimadamore@537	34	Neg01<? extends String> n14 = new Neg01<>("", ""){};
mcimadamore@537	35	Neg01<?> n15 = new Neg01<>("", ""){};
mcimadamore@537	36	Neg01<? super String> n16 = new Neg01<>("", ""){};
mcimadamore@537	37	}
mcimadamore@537	38	}