Files
openide/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/methodRef/DefaultConstructor.java

59 lines
1.9 KiB
Java

class DefaultConstructor {
interface I1<R> {
R invoke();
}
interface I2<R, A> {
R invoke(A a);
}
static class Outer {
class Inner {
}
static void test1() {
I2<Inner, Outer> i2 = Inner :: new;
<error descr="Incompatible types. Found: '<method reference>', required: 'DefaultConstructor.I2<DefaultConstructor.Outer.Inner,java.lang.String>'">I2<Inner, String> i2str = Inner :: new;</error>
}
void test2() {
I1<Inner> i1 = Inner :: new;
<error descr="Incompatible types. Found: '<method reference>', required: 'DefaultConstructor.I1<java.lang.Integer>'">I1<Integer> i1Int = Inner :: new;</error>
I2<Inner, Outer> i2 = Inner :: new;
}
}
static void test1() {
I2<Outer.Inner, Outer> i2 = Outer.Inner::new;
<error descr="Incompatible types. Found: '<method reference>', required: 'DefaultConstructor.I2<DefaultConstructor.Outer.Inner,java.lang.String>'">I2<Outer.Inner, String> i2str = Outer.Inner::new;</error>
}
void test2() {
I2<Outer.Inner, Outer> i2 = Outer.Inner::new;
<error descr="Incompatible types. Found: '<method reference>', required: 'DefaultConstructor.I2<DefaultConstructor.Outer.Inner,java.lang.String>'">I2<Outer.Inner, String> i2str = Outer.Inner::new;</error>
}
}
class DefaultConstructor1 {
public void bar() {
}
{
Runnable b1 = DefaultConstructor1 :: new;
}
}
class DefaultConstructor2 {
interface I {
void foo(DefaultConstructor2 e);
}
void f() {
<error descr="Incompatible types. Found: '<method reference>', required: 'DefaultConstructor2.I'">I i1 = DefaultConstructor2 :: new;</error>
<error descr="Incompatible types. Found: '<method reference>', required: 'DefaultConstructor2.I'">I i2 = this::new;</error>
}
}