public void Should_Throw_If_FileSystem_Is_Null()
{
// Given, When
var result = Record.Exception(() => FileSystemExtensions.Exist(null, (FilePath)"file.txt"));
// Then
AssertEx.IsArgumentNullException(result, "fileSystem");
}
public void Should_Throw_If_FileSystem_Is_Null()
{
// Given, When
var result = Record.Exception(() => FileSystemExtensions.Exist(null, (FilePath)"file.txt"));
// Then
result.ShouldBeOfType <ArgumentNullException>()
.And().ParamName.ShouldBe("fileSystem");
}