| // Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'package:analyzer/error/error.dart'; |
| import 'package:analyzer/src/error/codes.dart'; |
| import 'package:test/test.dart' show expect; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import '../dart/resolution/context_collection_resolution.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(IntegerLiteralImpreciseAsDoubleTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class IntegerLiteralImpreciseAsDoubleTest extends PubPackageResolutionTest { |
| test_excessiveExponent() async { |
| await assertErrorsInCode( |
| 'double x = 0xfffffffffffff80000000000000000000000000000000000000000000' |
| '0000000000000000000000000000000000000000000000000000000000000000000000' |
| '0000000000000000000000000000000000000000000000000000000000000000000000' |
| '000000000000000000000000000000000000000000000000000000000000;', |
| [ |
| error(CompileTimeErrorCode.INTEGER_LITERAL_IMPRECISE_AS_DOUBLE, 11, |
| 259), |
| ]); |
| AnalysisError firstError = result.errors[0]; |
| |
| // Check that we suggest the max double instead. |
| expect( |
| true, |
| firstError.correction.contains( |
| '179769313486231570814527423731704356798070567525844996598917476803' |
| '157260780028538760589558632766878171540458953514382464234321326889' |
| '464182768467546703537516986049910576551282076245490090389328944075' |
| '868508455133942304583236903222948165808559332123348274797826204144' |
| '723168738177180919299881250404026184124858368')); |
| } |
| |
| test_excessiveMantissa() async { |
| await assertErrorsInCode(''' |
| double x = 9223372036854775809; |
| ''', [ |
| error(CompileTimeErrorCode.INTEGER_LITERAL_IMPRECISE_AS_DOUBLE, 11, 19), |
| ]); |
| AnalysisError firstError = result.errors[0]; |
| // Check that we suggest a valid double instead. |
| expect(true, firstError.correction.contains('9223372036854775808')); |
| } |
| } |