public void NameClashCompilation()
{
Compilation compilation = CompilationHelper.CreateRepeatedLocationsCompilation();
var generator = new PropertySourceGenerator();
Compilation newCompilation = CompilationHelper.RunGenerators(compilation, out var generatorDiags, generator);
// Make sure compilation was successful.
//CheckCompilationDiagnosticsErrors(generatorDiags);
//CheckCompilationDiagnosticsErrors(newCompilation.GetDiagnostics());
}
public void SimpleGeneratorTest()
{
// Create the 'input' compilation that the generator will act on
Compilation inputCompilation = CreateCompilation(@"
namespace MyCode
{
public class Program
{
public static void Main(string[] args)
{
}
}
}
");
// directly create an instance of the generator
// (Note: in the compiler this is loaded from an assembly, and created via reflection at runtime)
var generator = new PropertySourceGenerator();
// Create the driver that will control the generation, passing in our generator
GeneratorDriver driver = CSharpGeneratorDriver.Create(generator);
// Run the generation pass
// (Note: the generator driver itself is immutable, and all calls return an updated version of the driver that you should use for subsequent calls)
driver = driver.RunGeneratorsAndUpdateCompilation(inputCompilation, out var outputCompilation, out var diagnostics);
// We can now assert things about the resulting compilation:
Assert.True(diagnostics.IsEmpty); // there were no diagnostics created by the generators
Assert.True(outputCompilation.SyntaxTrees.Count() == 2); // we have two syntax trees, the original 'user' provided one, and the one added by the generator
Assert.True(outputCompilation.GetDiagnostics().IsEmpty); // verify the compilation with the added source has no diagnostics
// Or we can look at the results directly:
GeneratorDriverRunResult runResult = driver.GetRunResult();
// The runResult contains the combined results of all generators passed to the driver
Assert.True(runResult.GeneratedTrees.Length == 1);
Assert.True(runResult.Diagnostics.IsEmpty);
// Or you can access the individual results on a by-generator basis
GeneratorRunResult generatorResult = runResult.Results[0];
Assert.True(generatorResult.Generator == generator);
Assert.True(generatorResult.Diagnostics.IsEmpty);
Assert.True(generatorResult.GeneratedSources.Length == 1);
Assert.True(generatorResult.Exception is null);
}
