public void Hint_Name_Must_Be_Unique(string hintName1, string hintName2)
{
AdditionalSourcesCollection asc = new AdditionalSourcesCollection();
asc.Add(hintName1, SourceText.From("", Encoding.UTF8));
Assert.Throws <ArgumentException>("hintName", () => asc.Add(hintName2, SourceText.From("", Encoding.UTF8)));
}
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);
}
public void SourceTextRequiresEncoding()
{
AdditionalSourcesCollection asc = new AdditionalSourcesCollection();
// fine
asc.Add("file1.cs", SourceText.From("", Encoding.UTF8));
asc.Add("file2.cs", SourceText.From("", Encoding.UTF32));
asc.Add("file3.cs", SourceText.From("", Encoding.Unicode));
// no encoding
Assert.Throws <ArgumentException>(() => asc.Add("file4.cs", SourceText.From("")));
// explicit null encoding
Assert.Throws <ArgumentException>(() => asc.Add("file5.cs", SourceText.From("", encoding: null)));
}
public void Contains(string addHintName, string checkHintName)
{
AdditionalSourcesCollection asc = new AdditionalSourcesCollection(".cs");
asc.Add(addHintName, SourceText.From("", Encoding.UTF8));
Assert.True(asc.Contains(checkHintName));
}
public void Hint_Name_Must_Be_Unique_When_Combining_Sources()
{
AdditionalSourcesCollection asc = new AdditionalSourcesCollection(".cs");
asc.Add("hintName1", SourceText.From("", Encoding.UTF8));
asc.Add("hintName2", SourceText.From("", Encoding.UTF8));
AdditionalSourcesCollection asc2 = new AdditionalSourcesCollection(".cs");
asc2.Add("hintName3", SourceText.From("", Encoding.UTF8));
asc2.Add("hintName1", SourceText.From("", Encoding.UTF8));
var exception = Assert.Throws <ArgumentException>("hintName", () => asc.CopyTo(asc2));
Assert.Contains("hintName1", exception.Message);
}
[InlineData("abc\u00A0.cs")] // unicode non-breaking space
public void HintName_InvalidValues(string hintName)
{
AdditionalSourcesCollection asc = new AdditionalSourcesCollection(".cs");
Assert.Throws <ArgumentException>(
nameof(hintName),
() => asc.Add(hintName, SourceText.From("public class D{}", Encoding.UTF8))
);
}
public void Remove(string addHintName, string removeHintName)
{
AdditionalSourcesCollection asc = new AdditionalSourcesCollection(".cs");
asc.Add(addHintName, SourceText.From("", Encoding.UTF8));
asc.RemoveSource(removeHintName);
var sources = asc.ToImmutableAndFree();
Assert.Empty(sources);
}
public void HintName_ValidValues(string hintName)
{
AdditionalSourcesCollection asc = new AdditionalSourcesCollection();
asc.Add(hintName, SourceText.From("public class D{}", Encoding.UTF8));
Assert.True(asc.Contains(hintName));
var sources = asc.ToImmutableAndFree();
Assert.True(sources[0].HintName.EndsWith(".cs"));
}
public void SourceTextRequiresEncoding()
{
AdditionalSourcesCollection asc = new AdditionalSourcesCollection(".cs");
// fine
asc.Add("file1.cs", SourceText.From("", Encoding.UTF8));
asc.Add("file2.cs", SourceText.From("", Encoding.UTF32));
asc.Add("file3.cs", SourceText.From("", Encoding.Unicode));
// no encoding
Assert.Throws <ArgumentException>(() => asc.Add("file4.cs", SourceText.From("")));
// explicit null encoding
Assert.Throws <ArgumentException>(() => asc.Add("file5.cs", SourceText.From("", encoding: null)));
var exception = Assert.Throws <ArgumentException>(() => asc.Add("file5.cs", SourceText.From("", encoding: null)));
// check the exception contains the expected hintName
Assert.Contains("file5.cs", exception.Message);
}
private void AddSourceForAdditionalFile(AdditionalSourcesCollection sources, AdditionalText file) => sources.Add(GetGeneratedFileName(file.Path), SourceText.From("", Encoding.UTF8));
/// <summary> /// Adds a <see cref="SourceText"/> to the compilation /// </summary> /// <param name="hintName">An identifier that can be used to reference this source text, must be unique within this generator</param> /// <param name="sourceText">The <see cref="SourceText"/> to add to the compilation</param> public void AddSource(string hintName, SourceText sourceText) => Sources.Add(hintName, sourceText);