Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
113 lines
3.8 KiB
Dart
113 lines
3.8 KiB
Dart
// Copyright (c) 2013, 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 = 2.9
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// Test for conditionals as compile-time constants.
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import 'package:expect/expect.dart';
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class Marker {
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final field;
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const Marker(this.field);
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}
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var var0 = const Marker(0);
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var var1 = const Marker(1);
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const const0 = const Marker(0);
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const const1 = const Marker(1);
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const trueConst = true;
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const falseConst = false;
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var nonConst = true;
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const zeroConst = 0;
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const cond1 = trueConst ? const0 : const1;
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const cond1a = trueConst ? nonConst : const1;
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// ^
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// [cfe] Constant evaluation error:
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// ^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE
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// [cfe] Not a constant expression.
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const cond1b = trueConst ? const0 : nonConst;
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// ^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE
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// [cfe] Not a constant expression.
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const cond2 = falseConst ? const0 : const1;
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const cond2a = falseConst ? nonConst : const1;
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// ^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE
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// [cfe] Not a constant expression.
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const cond2b = falseConst ? const0 : nonConst;
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// ^
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// [cfe] Constant evaluation error:
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// ^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE
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// [cfe] Not a constant expression.
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const cond3 = nonConst ? const0 : const1;
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// ^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE
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// [cfe] Not a constant expression.
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// ^
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// [cfe] Constant evaluation error:
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const cond3a = nonConst ? nonConst : const1;
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// ^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE
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// [cfe] Not a constant expression.
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// ^
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// [cfe] Constant evaluation error:
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// ^
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// [cfe] Not a constant expression.
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const cond3b = nonConst ? const0 : nonConst;
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// ^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE
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// [cfe] Not a constant expression.
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// ^
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// [cfe] Constant evaluation error:
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// ^
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// [cfe] Not a constant expression.
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const cond4 = zeroConst ? const0 : const1;
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// ^^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.CONST_EVAL_TYPE_BOOL
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// [cfe] A value of type 'int' can't be assigned to a variable of type 'bool'.
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// ^^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.NON_BOOL_CONDITION
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const cond4a = zeroConst ? nonConst : const1;
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// ^^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.CONST_EVAL_TYPE_BOOL
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// [cfe] A value of type 'int' can't be assigned to a variable of type 'bool'.
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// ^^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.NON_BOOL_CONDITION
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// ^
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// [cfe] Not a constant expression.
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const cond4b = zeroConst ? const0 : nonConst;
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// ^^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.CONST_EVAL_TYPE_BOOL
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// [cfe] A value of type 'int' can't be assigned to a variable of type 'bool'.
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// ^^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.NON_BOOL_CONDITION
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// ^
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// [cfe] Not a constant expression.
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void main() {
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Expect.identical(var0, cond1);
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Expect.identical(nonConst, cond1a);
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Expect.identical(var0, cond1b);
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Expect.identical(var1, cond2);
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Expect.identical(var1, cond2a);
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Expect.identical(nonConst, cond2b);
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Expect.identical(var0, cond3);
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Expect.identical(nonConst, cond3a);
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Expect.identical(var0, cond3b);
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Expect.identical(var1, cond4);
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Expect.identical(var1, cond4a);
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Expect.identical(nonConst, cond4b);
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}
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