russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
50 lines
1.3 KiB
Java
50 lines
1.3 KiB
Java
/*
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* @test /nodynamiccopyright/
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* @bug 8003280
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* @summary Add lambda tests
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* check that SAM conversion handles Object members correctly
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* @author Alex Buckley
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* @author Maurizio Cimadamore
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* @compile/fail/ref=LambdaConv09.out -XDrawDiagnostics LambdaConv09.java
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*/
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class LambdaConv09 {
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// Not a SAM type; not enough abstract methods
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interface Foo1 {}
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// SAM type; Foo has no abstract methods
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interface Foo2 { boolean equals(Object object); }
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// Not a SAM type; Foo still has no abstract methods
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interface Foo3 extends Foo2 { public abstract String toString(); }
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// SAM type; Bar has one abstract non-Object method
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interface Foo4<T> extends Foo2 { int compare(T o1, T o2); }
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// Not a SAM type; still no valid abstract methods
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interface Foo5 {
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boolean equals(Object object);
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String toString();
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}
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// SAM type; Foo6 has one abstract non-Object method
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interface Foo6<T> {
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boolean equals(Object obj);
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int compare(T o1, T o2);
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}
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// SAM type; Foo6 has one abstract non-Object method
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interface Foo7<T> extends Foo2, Foo6<T> { }
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void test() {
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Foo1 f1 = ()-> { };
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Foo2 f2 = ()-> { };
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Foo3 f3 = x -> true;
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Foo4 f4 = (x, y) -> 1;
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Foo5 f5 = x -> true;
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Foo6 f6 = (x, y) -> 1;
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Foo7 f7 = (x, y) -> 1;
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}
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}
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