public async Task ReadableStreamTestReadRandomBytes()
{
using (var expected = new MemoryStream())
{
for (var i = 0; i < 10000; i++)
{
expected.WriteByte((byte)(i % byte.MaxValue));
}
expected.Position = 0;
using (var stream = await SerializableBytes.CreateReadableStreamAsync(expected, CancellationToken.None))
{
Assert.Equal(expected.Length, stream.Length);
var random = new Random(0);
for (var i = 0; i < 100; i++)
{
var position = random.Next((int)expected.Length);
expected.Position = position;
stream.Position = position;
Assert.Equal(expected.ReadByte(), stream.ReadByte());
}
}
}
}
public async Task ReadableStreamTestReadChunks()
{
using (var expected = new MemoryStream())
{
for (var i = 0; i < 10000; i++)
{
expected.WriteByte((byte)(i % byte.MaxValue));
}
expected.Position = 0;
using (var stream = await SerializableBytes.CreateReadableStreamAsync(expected, CancellationToken.None))
{
Assert.Equal(expected.Length, stream.Length);
stream.Position = 0;
int index = 0;
int count;
var bytes = new byte[1000];
while ((count = stream.Read(bytes, 0, bytes.Length)) > 0)
{
for (var i = 0; i < count; i++)
{
Assert.Equal((byte)(index % byte.MaxValue), bytes[i]);
index++;
}
}
Assert.Equal(index, stream.Length);
}
}
}
private static async Task <(ErgonProject project, DiagnosticLog log)> LoadProjectAsync(
string path, ErgonProjectCollection projectCollection, CancellationToken cancellationToken)
{
var log = new DiagnosticLog();
try
{
var loadedProjects = projectCollection.GetLoadedProjects(path);
if (loadedProjects != null && loadedProjects.Count > 0)
{
Debug.Assert(loadedProjects.Count == 1);
return(loadedProjects.First(), log);
}
using (var stream = FileUtilities.OpenAsyncRead(path))
using (var readStream = await SerializableBytes.CreateReadableStreamAsync(stream, cancellationToken).ConfigureAwait(false))
using (var reader = new StreamReader(readStream))
{
var project = ErgonProject.FromString(await reader.ReadToEndAsync(), path);
projectCollection.Add(project);
// todo: assign project.path = path
return(project, log);
}
}
catch (Exception e)
{
log.Add(e, path);
return(project : null, log);
}
}
public async Task <(MSB.Evaluation.Project project, DiagnosticLog log)> LoadProjectAsync(
string path, IDictionary <string, string> globalProperties, CancellationToken cancellationToken)
{
var log = new DiagnosticLog();
try
{
var projectCollection = _projectCollection ?? new MSB.Evaluation.ProjectCollection(s_defaultGlobalProperties);
var project = FindProject(path, globalProperties, projectCollection, cancellationToken);
if (project == null)
{
using (var stream = FileUtilities.OpenAsyncRead(path))
using (var readStream = await SerializableBytes.CreateReadableStreamAsync(stream, cancellationToken).ConfigureAwait(false))
using (var xmlReader = XmlReader.Create(readStream, s_xmlReaderSettings))
{
var xml = MSB.Construction.ProjectRootElement.Create(xmlReader, projectCollection);
// When constructing a project from an XmlReader, MSBuild cannot determine the project file path. Setting the
// path explicitly is necessary so that the reserved properties like $(MSBuildProjectDirectory) will work.
xml.FullPath = path;
project = new MSB.Evaluation.Project(xml, globalProperties, toolsVersion: null, projectCollection);
}
}
return(project, log);
}
catch (Exception e)
{
log.Add(e, path);
return(project : null, log);
}
}
private static async Task <(MSB.Evaluation.Project?project, DiagnosticLog log)> LoadProjectAsync(
string path, MSB.Evaluation.ProjectCollection?projectCollection, CancellationToken cancellationToken)
{
var log = new DiagnosticLog();
try
{
var loadedProjects = projectCollection?.GetLoadedProjects(path);
if (loadedProjects != null && loadedProjects.Count > 0)
{
Debug.Assert(loadedProjects.Count == 1);
return(loadedProjects.First(), log);
}
using var stream = FileUtilities.OpenAsyncRead(path);
using var readStream = await SerializableBytes.CreateReadableStreamAsync(stream, cancellationToken).ConfigureAwait(false);
using var xmlReader = XmlReader.Create(readStream, s_xmlReaderSettings);
var xml = MSB.Construction.ProjectRootElement.Create(xmlReader, projectCollection);
// When constructing a project from an XmlReader, MSBuild cannot determine the project file path. Setting the
// path explicitly is necessary so that the reserved properties like $(MSBuildProjectDirectory) will work.
xml.FullPath = path;
var project = new MSB.Evaluation.Project(xml, globalProperties: null, toolsVersion: null, projectCollection);
return(project, log);
}
catch (Exception e)
{
log.Add(e, path);
return(project : null, log);
}
}
public async Task ReadableStreamTestReadAByteAtATime()
{
using var expected = new MemoryStream();
for (var i = 0; i < 10000; i++)
{
expected.WriteByte((byte)(i % byte.MaxValue));
}
expected.Position = 0;
using var stream = await SerializableBytes.CreateReadableStreamAsync(expected, CancellationToken.None);
Assert.Equal(expected.Length, stream.Length);
expected.Position = 0;
stream.Position = 0;
for (var i = 0; i < expected.Length; i++)
{
Assert.Equal(expected.ReadByte(), stream.ReadByte());
}
}
