mcimadamore@1415: /*
mcimadamore@1415:  * @test /nodynamiccopyright/
mcimadamore@1415:  * @bug 8003280
mcimadamore@1415:  * @summary Add lambda tests
mcimadamore@1415:  *  check that code generation handles void-compatibility correctly
mcimadamore@1415:  * @compile/fail/ref=LambdaConv21.out -XDrawDiagnostics LambdaConv21.java
mcimadamore@1415:  */
mcimadamore@1415: 
mcimadamore@1415: class LambdaConv21 {
mcimadamore@1415: 
mcimadamore@1415:     interface SAM_void<X> {
mcimadamore@1415:         void m();
mcimadamore@1415:     }
mcimadamore@1415: 
mcimadamore@1415:     interface SAM_java_lang_Void {
mcimadamore@1415:         Void m();
mcimadamore@1415:     }
mcimadamore@1415: 
mcimadamore@1415:     static void m_void() { }
mcimadamore@1415: 
mcimadamore@1415:     static Void m_java_lang_Void() { return null; }
mcimadamore@1415: 
mcimadamore@1415:     static void testExpressionLambda() {
mcimadamore@1415:         SAM_void s1 = ()->m_void(); //ok
mcimadamore@1415:         SAM_java_lang_Void s2 = ()->m_void(); //no - incompatible target
mcimadamore@1433:         SAM_void s3 = ()->m_java_lang_Void(); //ok - expression statement lambda is compatible with void
mcimadamore@1415:         SAM_java_lang_Void s4 = ()->m_java_lang_Void(); //ok
mcimadamore@1415:     }
mcimadamore@1415: 
mcimadamore@1415:     static void testStatementLambda() {
mcimadamore@1415:         SAM_void s1 = ()-> { m_void(); }; //ok
mcimadamore@1415:         SAM_java_lang_Void s2 = ()-> { m_void(); }; //no - missing return value
mcimadamore@1415:         SAM_void s3 = ()-> { return m_java_lang_Void(); }; //no - unexpected return value
mcimadamore@1415:         SAM_java_lang_Void s4 = ()-> { return m_java_lang_Void(); }; //ok
mcimadamore@1415:         SAM_void s5 = ()-> { m_java_lang_Void(); }; //ok
mcimadamore@1415:         SAM_java_lang_Void s6 = ()-> { m_java_lang_Void(); }; //no - missing return value
mcimadamore@1415:     }
mcimadamore@1415: }