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Assert that we don't get the value we don't want instead of attempting to check for a specific error code. Fixes #39955 #40019

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Merged
kg merged 1 commit into from
Jul 29, 2020
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Assert that we don't get the value we don't want instead of attempting to check for a specific error code. Fixes #39955 #40019

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7 changes: 5 additions & 2 deletions src/libraries/System.IO.FileSystem/tests/Enumeration/ErrorHandlingTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -73,8 +73,11 @@ public void NotFoundErrorIsExpected()
// Make sure we're returning the native error as expected (and not the PAL error on Unix)
using (LastError le = new LastError(Path.GetRandomFileName()))
{
// Conveniently ERROR_FILE_NOT_FOUND and ENOENT are both 0x2
Assert.Equal(2, le.Error);
// while ERROR_FILE_NOT_FOUND/ENOENT have predictable values on Windows, Linux and Mac,
// we can't rely on ENOENT having the same value on other platforms. Instead, assert
// that we didn't get the PAL error because we know its value.
const int PAL_Error_ENOENT = 0x1002D;
Assert.NotEqual(PAL_Error_ENOENT, le.Error);
}
}

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