Robert Nystrom
6cc9efe290
Change-Id: I94dfcea40566190c6bf153c108b0d0d5dbf27a4d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/400148 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse Nielsen <lrn@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
32 lines
875 B
Dart
32 lines
875 B
Dart
// Copyright (c) 2018, 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 to test arithmetic operations.
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import "package:expect/expect.dart";
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class C1 {
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int call(int i) => 2 * i;
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}
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main() {
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C1 c1 = new C1();
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// Implicitly invokes c1.call(1)
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Expect.equals(c1(1), 2);
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dynamic d1 = c1;
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// Implicitly invokes d1.call(1)
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Expect.equals(d1(1), 2);
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// Cannot invoke with the wrong signature.
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c1();
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//^
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// [cfe] Too few positional arguments: 1 required, 0 given.
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// ^
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// [analyzer] COMPILE_TIME_ERROR.NOT_ENOUGH_POSITIONAL_ARGUMENTS
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c1(3, 4);
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//^
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// [cfe] Too many positional arguments: 1 allowed, but 2 found.
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// ^
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// [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS
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}
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