pkg/front_end/testcases/inference/downwards_inference_on_generic_constructor_arguments_infer_downwards.dart

// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart=2.9
/*@testedFeatures=inference*/
library test;

class F0<T> {
  F0(List<T> a) {}
}

class F1<T> {
  F1({List<T> a}) {}
}

class F2<T> {
  F2(Iterable<T> a) {}
}

class F3<T> {
  F3(Iterable<Iterable<T>> a) {}
}

class F4<T> {
  F4({Iterable<Iterable<T>> a}) {}
}

void test() {
  new F0<int>(/*@ typeArgs=int* */ []);
  new F0<int>(/*@ typeArgs=int* */ [3]);
  new F0<int>(
      /*@ typeArgs=int* */ [/*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello"]);
  new F0<int>(/*@ typeArgs=int* */ [
    /*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello",
    3
  ]);

  new F1<int>(a: /*@ typeArgs=int* */ []);
  new F1<int>(a: /*@ typeArgs=int* */ [3]);
  new F1<int>(a: /*@ typeArgs=int* */ [
    /*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello"
  ]);
  new F1<int>(a: /*@ typeArgs=int* */ [
    /*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello",
    3
  ]);

  new F2<int>(/*@ typeArgs=int* */ []);
  new F2<int>(/*@ typeArgs=int* */ [3]);
  new F2<int>(
      /*@ typeArgs=int* */ [/*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello"]);
  new F2<int>(/*@ typeArgs=int* */ [
    /*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello",
    3
  ]);

  new F3<int>(/*@ typeArgs=Iterable<int*>* */ []);
  new F3<int>(/*@ typeArgs=Iterable<int*>* */ [
    /*@ typeArgs=int* */ [3]
  ]);
  new F3<int>(/*@ typeArgs=Iterable<int*>* */ [
    /*@ typeArgs=int* */ [/*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello"]
  ]);
  new F3<int>(/*@ typeArgs=Iterable<int*>* */ [
    /*@ typeArgs=int* */ [/*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello"],
    /*@ typeArgs=int* */ [3]
  ]);

  new F4<int>(a: /*@ typeArgs=Iterable<int*>* */ []);
  new F4<int>(a: /*@ typeArgs=Iterable<int*>* */ [
    /*@ typeArgs=int* */ [3]
  ]);
  new F4<int>(a: /*@ typeArgs=Iterable<int*>* */ [
    /*@ typeArgs=int* */ [/*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello"]
  ]);
  new F4<int>(a: /*@ typeArgs=Iterable<int*>* */ [
    /*@ typeArgs=int* */ [/*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello"],
    /*@ typeArgs=int* */ [3]
  ]);

  new /*@ typeArgs=dynamic */ F3(/*@ typeArgs=Iterable<dynamic>* */ []);
  var /*@ type=F3<int*>* */ f31 = new /*@ typeArgs=int* */ F3(/*@ typeArgs=List<int*>* */ [
    /*@ typeArgs=int* */ [3]
  ]);
  var /*@ type=F3<String*>* */ f32 =
      new /*@ typeArgs=String* */ F3(/*@ typeArgs=List<String*>* */ [
    /*@ typeArgs=String* */ ["hello"]
  ]);
  var /*@ type=F3<Object*>* */ f33 =
      new /*@ typeArgs=Object* */ F3(/*@ typeArgs=List<Object*>* */ [
    /*@ typeArgs=String* */ ["hello"],
    /*@ typeArgs=int* */ [3]
  ]);

  new /*@ typeArgs=dynamic */ F4(a: /*@ typeArgs=Iterable<dynamic>* */ []);
  new /*@ typeArgs=int* */ F4(a: /*@ typeArgs=List<int*>* */ [
    /*@ typeArgs=int* */ [3]
  ]);
  new /*@ typeArgs=String* */ F4(a: /*@ typeArgs=List<String*>* */ [
    /*@ typeArgs=String* */ ["hello"]
  ]);
  new /*@ typeArgs=Object* */ F4(a: /*@ typeArgs=List<Object*>* */ [
    /*@ typeArgs=String* */ ["hello"],
    /*@ typeArgs=int* */ [3]
  ]);
}

main() {}