public void AddedSources_Are_Deterministic()
{
// a few manual simple ones
AdditionalSourcesCollection asc = new AdditionalSourcesCollection(".cs");
asc.Add("file3.cs", SourceText.From("", Encoding.UTF8));
asc.Add("file1.cs", SourceText.From("", Encoding.UTF8));
asc.Add("file2.cs", SourceText.From("", Encoding.UTF8));
asc.Add("file5.cs", SourceText.From("", Encoding.UTF8));
asc.Add("file4.cs", SourceText.From("", Encoding.UTF8));
var sources = asc.ToImmutableAndFree();
var hintNames = sources.Select(s => s.HintName).ToArray();
Assert.Equal(
new[] { "file3.cs", "file1.cs", "file2.cs", "file5.cs", "file4.cs" },
hintNames
);
// generate a long random list, remembering the order we added them
Random r = new Random();
string[] names = new string[1000];
asc = new AdditionalSourcesCollection(".cs");
for (int i = 0; i < 1000; i++)
{
names[i] = CSharpTestBase.GetUniqueName() + ".cs";
asc.Add(names[i], SourceText.From("", Encoding.UTF8));
}
sources = asc.ToImmutableAndFree();
hintNames = sources.Select(s => s.HintName).ToArray();
Assert.Equal(names, hintNames);
}