Chloe Stefantsova
433c0998d0
TEST=existing Change-Id: Id924e4ef64ddabc1986cb885f558382ff139b481 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/436620 Reviewed-by: Mayank Patke <fishythefish@google.com> Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Chloe Stefantsova <cstefantsova@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com>
81 lines
3.0 KiB
Dart
81 lines
3.0 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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import "package:expect/expect.dart" show Expect;
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import 'package:kernel/ast.dart';
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import 'package:kernel/src/non_null.dart';
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import 'package:kernel/testing/type_parser_environment.dart';
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const Map<String, String> data = {
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'dynamic': 'dynamic',
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'void': 'void',
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'Null': 'Never',
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'Never': 'Never',
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'Never?': 'Never',
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'Object': 'Object',
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'Object?': 'Object',
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'List<Object>': 'List<Object>',
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'List<Object>?': 'List<Object>',
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'List<Object?>': 'List<Object?>',
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'List<Object?>?': 'List<Object?>',
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'FutureOr<Null>': 'FutureOr<Null>',
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'FutureOr<dynamic>': 'FutureOr<dynamic>',
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'FutureOr<Object>': 'FutureOr<Object>',
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'FutureOr<Object>?': 'FutureOr<Object>',
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'FutureOr<Object?>': 'FutureOr<Object?>',
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'FutureOr<Object?>?': 'FutureOr<Object?>',
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'FutureOr<FutureOr<Object?>>': 'FutureOr<FutureOr<Object?>>',
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'(List<Object>, {required List<Object> a, List<Object> b}) -> List<Object>':
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'(List<Object>, {required List<Object> a, List<Object> b})'
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' -> List<Object>',
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'(List<Object>, {required List<Object> a, List<Object> b}) ->? List<Object>':
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'(List<Object>, {required List<Object> a, List<Object> b})'
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' -> List<Object>',
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'(List<Object>?, {required List<Object?> a, List<Object?>? b})'
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' ->? List<Object?>':
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'(List<Object>?, {required List<Object?> a, List<Object?>? b})'
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' -> List<Object?>',
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'X': 'X & Object',
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'X?': 'X & Object',
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'X_extends_Object': 'X_extends_Object',
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'X_extends_Object?': 'X_extends_Object',
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'X_extends_dynamic': 'X_extends_dynamic',
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'X_extends_dynamic?': 'X_extends_dynamic',
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'X & Object?': 'X & Object',
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'X & dynamic': 'X & dynamic',
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'X & Object': 'X & Object',
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'X? & Object?': 'X & Object',
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'X? & dynamic': 'X & dynamic',
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'X? & Object': 'X? & Object',
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'Y': 'Y & X & Object',
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'Y?': 'Y & X & Object',
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'Y_extends_dynamic': 'Y_extends_dynamic',
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'Y_extends_dynamic?': 'Y_extends_dynamic',
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'Y_extends_dynamic & X': 'Y_extends_dynamic & X & Object',
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'Y_extends_dynamic & X_extends_dynamic?':
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'Y_extends_dynamic & X_extends_dynamic',
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};
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void main() {
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Env env = new Env('')
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..extendWithTypeParameters('X,'
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'X_extends_Object extends Object,'
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'X_extends_dynamic extends dynamic,'
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'Y extends X,'
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'Y_extends_dynamic extends X_extends_dynamic');
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data.forEach((String input, String output) {
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DartType inputType = env.parseType(input);
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DartType expectedOutputType = env.parseType(output);
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DartType actualOutputType = computeNonNull(inputType);
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print('legacyErasure($inputType) = $actualOutputType: $expectedOutputType');
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Expect.equals(
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expectedOutputType,
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actualOutputType,
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"Unexpected NonNull of $inputType ('$input'):\n"
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"Expected: ${expectedOutputType} ('$output')\n"
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"Actual: ${actualOutputType}");
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});
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}
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