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