Erik Ernst
2e0bec389b
Testing that it is a compile-time error to invoke an extension method during constant expression evaluation. Change-Id: I52404d87c7da977451411f6cfc10c7059864fba4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/123580 Commit-Queue: Erik Ernst <eernst@google.com> Reviewed-by: Leaf Petersen <leafp@google.com>
56 lines
1.5 KiB
Dart
56 lines
1.5 KiB
Dart
// Copyright (c) 2019, 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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extension ExtendObject on Object {
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int operator ~() => 1;
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bool operator &(Object other) => false;
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bool operator |(Object other) => false;
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bool operator ^(Object other) => true;
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int operator ~/(Object other) => 0;
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int operator >>(Object other) => 1;
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// int operator >>>(Object other) => 2; // Requires triple-shift.
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int operator <<(Object other) => 0;
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int operator +(Object other) => 0;
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double operator -() => 1.0;
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double operator -(Object other) => 1.0;
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double operator *(Object other) => 1.0;
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double operator /(Object other) => 2.0;
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double operator %(Object other) => 1.0;
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bool operator <(Object other) => false;
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bool operator <=(Object other) => true;
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bool operator >(Object other) => true;
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bool operator >=(Object other) => false;
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int get length => 1;
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}
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const Object b = true;
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const Object i = 3;
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const Object d = 2.4;
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const Object s = 'Hello!';
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// These expressions should be identical to the ones in
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// static_extension_constant_{,error}_test.dart, to ensure that
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// they invoke an extension method, and that this is an error.
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var runtimeExtensionCalls = <Object>[
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~i,
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b & b,
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b | b,
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b ^ b,
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i ~/ i,
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i >> i,
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// i >>> i, // Requries triple-shift.
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i << i,
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i + i,
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-i,
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d - d,
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d * d,
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d / d,
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d % d,
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d < i,
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i <= d,
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d > i,
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i >= i,
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s.length,
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];
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