blob: 20dced98f562e287940043ee9a062f39a8546708 [file] [log] [blame]
/*
* Copyright (c) 2019, 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.
*/
/**
* @assertion To infer the type of element:
* ...
* If element is a spreadElement with expression e1:
*
* If P is ? then let S be the inferred type of e1 in context ?:
* ...
* If none of these cases match, it is an error.
*
* @description Checks that it is a compile error if none of the cases
* (`Iterable<Object>` nor of `Map<Object, Object>`, and it's also not `dynamic`
* nor `Null`) match
* @author sgrekhov@unipro.ru
*/
void test<T>(T t) {
var s1 = {...t };
// [error line 22, column 0]
// [analyzer] unspecified
// [cfe] unspecified
var s2 = {...?t};
// [error line 26, column 0]
// [analyzer] unspecified
// [cfe] unspecified
var s3 = {...(t as dynamic) };
// ^^^^^^^^^^^^^^^^^^^^
// [analyzer] COMPILE_TIME_ERROR.AMBIGUOUS_SET_OR_MAP_LITERAL_EITHER
// [cfe] Not enough type information to disambiguate between literal set and literal map.
var s4 = {...?(t as dynamic)};
// ^^^^^^^^^^^^^^^^^^^^
// [analyzer] COMPILE_TIME_ERROR.AMBIGUOUS_SET_OR_MAP_LITERAL_EITHER
// [cfe] Not enough type information to disambiguate between literal set and literal map.
}
main() {
test([1, 2, 3]);
test({1: "1", 2: "2"});
}