| Index: pkg/front_end/testcases/inference/generic_methods_dart_math_min_max.dart
|
| diff --git a/pkg/front_end/testcases/inference/generic_methods_dart_math_min_max.dart b/pkg/front_end/testcases/inference/generic_methods_dart_math_min_max.dart
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..63f7e521eeff74693034bde5dcc71029ec6eb990
|
| --- /dev/null
|
| +++ b/pkg/front_end/testcases/inference/generic_methods_dart_math_min_max.dart
|
| @@ -0,0 +1,36 @@
|
| +// 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.
|
| +
|
| +/*@testedFeatures=inference*/
|
| +library test;
|
| +
|
| +import 'dart:math';
|
| +
|
| +void printInt(int x) => print(x);
|
| +void printDouble(double x) => print(x);
|
| +
|
| +num myMax(num x, num y) => max(x, y);
|
| +
|
| +main() {
|
| + // Okay if static types match.
|
| + printInt(max(1, 2));
|
| + printInt(min(1, 2));
|
| + printDouble(max(1.0, 2.0));
|
| + printDouble(min(1.0, 2.0));
|
| +
|
| + // No help for user-defined functions from num->num->num.
|
| + printInt(/*info:DOWN_CAST_IMPLICIT*/ myMax(1, 2));
|
| + printInt(myMax(1, 2) as int);
|
| +
|
| + // Mixing int and double means return type is num.
|
| + printInt(max(1, /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 2.0));
|
| + printInt(min(1, /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 2.0));
|
| + printDouble(max(/*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 1, 2.0));
|
| + printDouble(min(/*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 1, 2.0));
|
| +
|
| + // Types other than int and double are not accepted.
|
| + printInt(min(
|
| + /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ "hi",
|
| + /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ "there"));
|
| +}
|
|
|