static void showTestContextData(TestContext db, string messag)
{
Console.WriteLine("{0} {1} {0}", new string('-', 10), messag);
foreach (var test in db.Tests)
Console.WriteLine("id: {0}, str: {1}", test.Id, test.TestString);
Console.WriteLine();
}
static void prepareDbToTest()
{
using (var context = new TestContext())
{
context.Tests.RemoveRange(context.Tests);
context.SaveChanges();
context.Tests.Add(new Test { TestString = "0" });
context.SaveChanges();
}
}
static void task1()
{
using (var context1 = new TestContext())
{
showTestContextData(context1, "in context1 - 0");
context1.Tests.Add(new Test { TestString = "1" });
showTestContextData(context1, "in context1 - 1");
//continue task 2 and wait when it will be done
WaitHandleTask2.Set();
WaitHandle.WaitAny(new WaitHandle[] { WaitHandleTask1 });
showTestContextData(context1, "in context1 - 2");
context1.SaveChanges();
showTestContextData(context1, "in context1 - 3");
}
}
static void oneThreadTest()
{
using (var context1 = new TestContext())
{
showTestContextData(context1, "in context1 - 0");
context1.Tests.Add(new Test {TestString = "1"});
showTestContextData(context1, "in context1 - 1");
using (var context2 = new TestContext())
{
context2.Tests.Add(new Test {TestString = "2"});
showTestContextData(context1, "in context2 - 0");
context2.SaveChanges();
showTestContextData(context1, "in context2 - 1");
}
showTestContextData(context1, "in context1 - 2");
context1.SaveChanges();
showTestContextData(context1, "in context1 - 3");
}
}
private static void task2()
{
WaitHandle.WaitAny(new WaitHandle[] { WaitHandleTask2 });
using (var context2 = new TestContext())
{
context2.Tests.Add(new Test { TestString = "2" });
showTestContextData(context2, "in context2 - 0");
context2.SaveChanges();
showTestContextData(context2, "in context2 - 1");
}
//continue task 1
WaitHandleTask1.Set();
}