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Fix MemoryStream.CanWrite to allow read-only #67

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@mizady mizady commented Dec 23, 2024

Description

  • Add _isWritable backing CanWrite so that stream can be made read only via another constructor that specifies whether the stream is writable.
  • Add Test for new constructor in CanWrite tests.
  • Corrected constructor xml documentation that incorrectly stated that the MemoryStream allowed set length when buffer was provided.

Motivation and Context

How Has This Been Tested?

This has been tested by adding a test to verify that the constructor creates the MemoryStream correctly. This should not affect existing code, and existing tests continue to pass uneffected by changes.

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  • I have tested everything locally and all new and existing tests passed (only if there are changes in source code).
  • I have added new tests to cover my changes.

Add _isWritable backing CanWrite so that stream can be made read only via another constructor that specifies whether the stream is writable.

Add Test for new constructor in CanWrite tests
@nfbot nfbot added Type: bug Something isn't working Type: enhancement New feature or request Type: Unit Tests Type: Documentation Improvements or additions to documentation labels Dec 23, 2024
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⛔ Files ignored due to path filters (2)
  • System.IO.Streams/MemoryStream.cs is excluded by none and included by none
  • UnitTests/MemoryStreamUnitTests/CanWrite.cs is excluded by none and included by none

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@Ellerbach Ellerbach left a comment

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Thanks, all up, looks good, couple of comments to simplify a bit

System.IO.Streams/MemoryStream.cs Show resolved Hide resolved
System.IO.Streams/MemoryStream.cs Outdated Show resolved Hide resolved
UnitTests/MemoryStreamUnitTests/CanWrite.cs Outdated Show resolved Hide resolved
Modified test for new constructor to include both true and false conditions.

Combined constructors to reduce repetition.

Moved CanWrite check to private function to reduce repetition.
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Almost perfect! Thanks again!

System.IO.Streams/MemoryStream.cs Outdated Show resolved Hide resolved
System.IO.Streams/MemoryStream.cs Show resolved Hide resolved
Added explanation to NotSupportException documentation where EnsureWritable is used.

Corrected punctuation typo.
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Failing Unit Tests in nanoframework.System.Net.Http
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