Danny Tuppeny
c818059287
Fixes #44598. Change-Id: I6bccf4f5448de024f27d0ed1ba51c730e22b6fe9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/178020 Commit-Queue: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
61 lines
2.2 KiB
Dart
61 lines
2.2 KiB
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Dart test program for testing named parameters.
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class TypeTester<T> {}
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// Expect compile-time error as no default values are allowed
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// in closure type definitions.
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typedef void Callback([String msg = ""]);
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// ^
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// [analyzer] SYNTACTIC_ERROR.DEFAULT_VALUE_IN_FUNCTION_TYPE
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// [cfe] Can't have a default value in a function type.
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class NamedParametersAggregatedTests {
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static int F31(int a, {int b: 20, int c: 30}) {
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return 100 * (100 * a + b) + c;
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}
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static int f_missing_comma(a [b = 42]) => a;
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// ^
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// [analyzer] SYNTACTIC_ERROR.EXPECTED_TOKEN
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// [cfe] Expected ')' before this.
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var _handler = null;
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// Expect compile-time error as no default values
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// are allowed in closure type.
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void InstallCallback(void cb({String? msg : null})?) {
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// ^
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// [analyzer] SYNTACTIC_ERROR.DEFAULT_VALUE_IN_FUNCTION_TYPE
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// [cfe] Can't have a default value in a function type.
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_handler = cb;
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}
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}
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main() {
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// Expect compile-time error due to missing comma in function definition.
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NamedParametersAggregatedTests.f_missing_comma(10, 25);
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// ^^
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// [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS
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// ^^^^^^^^
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// [cfe] Too many positional arguments: 1 allowed, but 2 found.
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// Expect compile-time error due to duplicate named argument.
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NamedParametersAggregatedTests.F31(10, b: 25, b:35);
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// ^
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// [analyzer] COMPILE_TIME_ERROR.DUPLICATE_NAMED_ARGUMENT
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// [cfe] Duplicated named argument 'b'.
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// Expect compile-time error due to missing positional argument.
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NamedParametersAggregatedTests.F31(b: 25, c: 35);
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// ^^^^^^^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.NOT_ENOUGH_POSITIONAL_ARGUMENTS
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// [cfe] Too few positional arguments: 1 required, 0 given.
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new TypeTester<Callback>();
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(new NamedParametersAggregatedTests()).InstallCallback(null);
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}
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