private BuildXLEngine CreateEngine(bool rememberAllChangedTrackedInputs)
{
IFrontEndController Create(PathTable pathTable, SymbolTable symbolTable)
{
var frontEndStatistics = new FrontEndStatistics();
var moduleRegistry = new ModuleRegistry(symbolTable);
var frontEndFactory = FrontEndFactory.CreateInstanceForTesting(
() => new ConfigurationProcessor(new FrontEndStatistics(), ParseAndEvaluateLogger),
new DScriptFrontEnd(frontEndStatistics, ParseAndEvaluateLogger));
var evaluationScheduler = new EvaluationScheduler(degreeOfParallelism: 1);
return(new FrontEndHostController(
frontEndFactory,
evaluationScheduler,
moduleRegistry,
new FrontEndStatistics(),
logger: InitializationLogger,
collector: null,
collectMemoryAsSoonAsPossible: false));
}
BuildXLEngine.PopulateLoggingAndLayoutConfiguration(Configuration, Context.PathTable, bxlExeLocation: null, inTestMode: true);
var successfulValidation = BuildXLEngine.PopulateAndValidateConfiguration(Configuration, Configuration, Context.PathTable, LoggingContext);
Assert.True(successfulValidation);
var engine = BuildXLEngine.Create(LoggingContext, Context, Configuration, new LambdaBasedFrontEndControllerFactory(Create), new BuildViewModel(), rememberAllChangedTrackedInputs: rememberAllChangedTrackedInputs);
engine.TestHooks = TestHooks;
return(engine);
}
public void ValueCacheIsNotStatic()
{
var es1 = new EvaluationScheduler(degreeOfParallelism: 1);
var es2 = new EvaluationScheduler(degreeOfParallelism: 1);
var key = "key";
var counter = 0;
var res1 = es1.ValueCacheGetOrAdd(key, () => Interlocked.Increment(ref counter));
var res2 = es2.ValueCacheGetOrAdd(key, () => Interlocked.Increment(ref counter));
XAssert.AreEqual(2, counter);
XAssert.AreEqual(1, res1);
XAssert.AreEqual(2, res2);
}
public void ValueCacheGetOrAddInvokesFactoryOnlyOnce(int count)
{
var evalScheduler = new EvaluationScheduler(degreeOfParallelism: 1);
var counter = 0;
var result = Enumerable
.Range(1, count)
.ToArray()
.AsParallel()
.Select(i => evalScheduler.ValueCacheGetOrAdd("some-key", () => Interlocked.Increment(ref counter)))
.ToArray();
XAssert.AreEqual(1, counter);
var expectedResult = Enumerable.Range(1, count).Select(i => counter).ToArray();
XAssert.ArrayEqual(expectedResult, result);
}
