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/*
* @test /nodynamiccopyright/
* @bug 8003280
* @summary Add lambda tests
* check that SAM conversion handles Object members correctly
* @author Alex Buckley
* @author Maurizio Cimadamore
* @compile/fail/ref=LambdaConv09.out -XDrawDiagnostics LambdaConv09.java
*/
class LambdaConv09 {
// Not a SAM type; not enough abstract methods
interface Foo1 {}
// SAM type; Foo has no abstract methods
interface Foo2 { boolean equals(Object object); }
// Not a SAM type; Foo still has no abstract methods
interface Foo3 extends Foo2 { public abstract String toString(); }
// SAM type; Bar has one abstract non-Object method
interface Foo4<T> extends Foo2 { int compare(T o1, T o2); }
// Not a SAM type; still no valid abstract methods
interface Foo5 {
boolean equals(Object object);
String toString();
}
// SAM type; Foo6 has one abstract non-Object method
interface Foo6<T> {
boolean equals(Object obj);
int compare(T o1, T o2);
}
// SAM type; Foo6 has one abstract non-Object method
interface Foo7<T> extends Foo2, Foo6<T> { }
void test() {
Foo1 f1 = ()-> { };
Foo2 f2 = ()-> { };
Foo3 f3 = x -> true;
Foo4 f4 = (x, y) -> 1;
Foo5 f5 = x -> true;
Foo6 f6 = (x, y) -> 1;
Foo7 f7 = (x, y) -> 1;
}
}
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