public void CacheObjectWhenCPPChanges()
{
TestUtils.ResetLINQLibrary();
// Make sure that when the C++ code changes, the cache key for lookup of results will also change.
var q = new QueriableDummy <ntup>();
var i = q.Select(e => DoItClass.DoIt(e.run)).Where(x => x > 2).Count();
var query = DummyQueryExectuor.LastQueryModel;
// Look for a hash value.
var str1 = FormattingQueryVisitor.Format(query);
Console.WriteLine(str1);
var m = Regex.Match(str1, @"DoIt([^\(]+)");
Assert.IsTrue(m.Success);
}
public void TestDualFirstWithCPPCode()
{
// This test produces something caught in the wild (caused a compile error).
// The bug has to do with a combination of the First predicate and the CPPCode statement conspiring
// to cause the problem, unfortunately. So, the test is here.
var q = new QueriableDummy <ntup3>();
var resultA = from evt in q
select new
{
r1 = evt.run1.Where(r => r > 3).Select(r => DoItClass.DoIt(r)),
r2 = evt.run2.Where(r => r > 4).Select(r => DoItClass.DoIt(r))
};
var resultB = from e in resultA
select new
{
joinedR = from r1 in e.r1
select(from r2 in e.r2
orderby r1 - r2 ascending
select r2).First()
};
var result = from e in resultB
from r in e.joinedR
select r;
var c = result.Sum();
Assert.IsNotNull(DummyQueryExectuor.FinalResult, "Expecting some code to have been generated!");
var query = DummyQueryExectuor.FinalResult;
query.DumpCodeToConsole();
Assert.AreEqual(2, query.CodeBody.Statements.Count(), "# of statements in the code body");
var lm = query.DumpCode().Where(l => l.Contains(" = ((*(*this).run2).at(aInt32_16))*2;")).FirstOrDefault();
Assert.IsNotNull(lm, "Unable to find proper addition line");
}
