public void GenericDependencies()
{
var subject = new TrivialSimulator();
// Can't get Gen because it depends on AssertMeasurement
Assert.Throws <MemberAccessException>(() =>
{
subject.Get <Gen <string> >();
});
// TODO: because we can't check dependencies, this
// is not throwing an Exception, even though Gen depends on AssertMeasurement:
var gen1 = subject.Get <DependsOnGen>();
Assert.NotNull(gen1);
// Add an implementation of X:
subject.Register(typeof(Diagnostics.AssertMeasurement), typeof(DummyAssertMeasurement));
var gen2 = subject.Get <Gen <int> >();
Assert.NotNull(gen1);
// Asking for same T, should give same op, but asking for different T should not:
var gen2a = subject.Get <Gen <int> >();
var gen2b = subject.Get <Gen <string> >();
Assert.Same(gen2, gen2a);
Assert.NotSame(gen2, gen2b);
}
public void OperationsCache()
{
var subject = new TrivialSimulator();
Assert.Equal(typeof(TrivialSimulator).Name, subject.Name);
var allocate1 = subject.Get <Intrinsic.Allocate>();
var allocate2 = subject.Get <Intrinsic.Allocate>();
Assert.Same(allocate1, allocate2);
}
public void UserDefinedOperations()
{
var subject = new TrivialSimulator();
Assert.Equal(typeof(TrivialSimulator).Name, subject.Name);
Assert.Throws <MemberAccessException>(() =>
{
subject.Get <Intrinsic.X>();
});
try
{
subject.Register(null, typeof(DummyX));
}
catch (ArgumentNullException e)
{
Assert.Equal("original", e.ParamName);
}
try
{
subject.Register(typeof(Intrinsic.Allocate), null);
}
catch (ArgumentNullException e)
{
Assert.Equal("replace", e.ParamName);
}
// You can only register an override of a class that extends Operation:
Assert.Throws <ArgumentException>(() =>
{
subject.Register(typeof(Nothing), typeof(NothingSquared));
});
// By default, you can only register a Gate that is a subclass of the gate it's overriding:
Assert.Throws <ArgumentException>(() =>
{
subject.Register(typeof(Intrinsic.Allocate), typeof(DummyX));
});
subject.Register(typeof(Intrinsic.X), typeof(DummyX));
var customX = subject.Get <Intrinsic.X>();
Assert.Equal(typeof(DummyX), customX.GetType());
subject.Register(typeof(Intrinsic.M), typeof(DummyM));
var customM = subject.Get <Intrinsic.M>();
Assert.Equal(typeof(DummyM), customM.GetType());
}
public void OverrideWithNoInheritance()
{
var subject = new TrivialSimulator();
Assert.Equal(typeof(TrivialSimulator).Name, subject.Name);
// If providing an interface, the original gate must implement that interface
Assert.Throws <ArgumentException>(() =>
{
subject.Register(typeof(Intrinsic.CNOT), typeof(LikeX), typeof(IUnitary <Qubit>));
});
// If providing an interface, the replacement gate must implement that interface
Assert.Throws <ArgumentException>(() =>
{
subject.Register(typeof(Intrinsic.CNOT), typeof(LikeX), typeof(IUnitary <(Qubit, Qubit)>));
});
// You can override without inheritance, as long as both implement the same interface:
subject.Register(typeof(Intrinsic.X), typeof(LikeX), typeof(IUnitary <Qubit>));
// Verify the replacement work
var x = subject.Get <IUnitary <Qubit>, Intrinsic.X>();
Assert.NotNull(x);
Assert.Equal(typeof(LikeX), x.GetType());
}
public void OperationWithRecursiveDependencies()
{
var subject = new TrivialSimulator();
var a = subject.Get <A>();
var b = subject.Get <B>();
// Make sure the last instance is correctly cached.
var a2 = subject.Get <A>();
var b2 = subject.Get <B>();
Assert.Same(a, a2);
Assert.Same(b, b2);
Assert.Same(a, b.A);
Assert.Same(b, a.B);
}
public void OperationWithNotImplementedDependency()
{
var subject = new TrivialSimulator();
Assert.Throws <MemberAccessException>(() =>
{
subject.Get <DependsOnAssertMeasurement>();
});
}
public void OperationWithNoBody()
{
var subject = new TrivialSimulator();
Assert.Equal(typeof(TrivialSimulator).Name, subject.Name);
Assert.Throws <MemberAccessException>(() =>
{
subject.Get <Diagnostics.AssertMeasurement>();
});
}
public void CheckQubits()
{
var sim = new TrivialSimulator();
var allocate = sim.Get <Intrinsic.Allocate>();
var release = sim.Get <Intrinsic.Release>();
var qubits = allocate.Apply(1);
var name = "foo";
// This should work:
sim.CheckQubits(qubits, name);
// Calling with null will throw an Exception
Assert.Throws <ArgumentNullException>(name, () => sim.CheckQubits(null, name));
// Calling after release will throw an Exception
sim.CheckQubits(qubits, name);
release.Apply(qubits);
Assert.Throws <ArgumentException>($"{name}[0]", () => sim.CheckQubits(qubits, name));
}
public void OperationWithNoBody()
{
var subject = new TrivialSimulator();
Assert.Equal(typeof(TrivialSimulator).Name, subject.Name);
Assert.Throws <MemberAccessException>(() =>
{
subject.Get <Intrinsic.X>();
});
}
public void SimulatorBuiltInOperations()
{
// The SimulatorBase class only implements operations for Qubit management,
// i.e. Allocate/Release:
var subject = new TrivialSimulator();
Assert.Equal(typeof(TrivialSimulator).Name, subject.Name);
var allocate = subject.Get <Intrinsic.Allocate>();
var release = subject.Get <Intrinsic.Release>();
// Try the operations
var qubits = allocate.Apply(3);
Assert.Equal(3, qubits.Length);
release.Apply(qubits);
subject.CheckNoQubitLeak();
}
public void SimulatorBuiltInOperations()
{
// The SimulatorBase class only implements operations for Qubit management,
// i.e. Allocate/Release:
var subject = new TrivialSimulator();
Assert.Equal(typeof(TrivialSimulator).Name, subject.Name);
// Check whether our events for allocation and deallocation
// are actually called.
var calledOnAllocate = false;
var calledOnRelease = false;
subject.BeforeAllocateQubits += count =>
{
output.WriteLine($"Allocate count = {count}");
calledOnAllocate = true;
};
subject.BeforeReleaseQubits += register =>
{
output.WriteLine($"Release qubits = {register}");
calledOnRelease = true;
};
var allocate = subject.Get <Intrinsic.Allocate>();
var release = subject.Get <Intrinsic.Release>();
// Try the operations
var qubits = allocate.Apply(3);
Assert.True(calledOnAllocate);
Assert.Equal(3, qubits.Length);
release.Apply(qubits);
Assert.True(calledOnRelease);
subject.CheckNoQubitLeak();
}
public void CatchFail()
{
int exceptionCount = 0;
System.Action <System.Runtime.ExceptionServices.ExceptionDispatchInfo> inc = (System.Runtime.ExceptionServices.ExceptionDispatchInfo e) => exceptionCount++;
var sim = new TrivialSimulator();
sim.OnFail += inc; // increment exception counter when exception is caught
var inst = sim.Get <Microsoft.Quantum.Simulation.Simulators.Tests.Circuits.AlwaysFail>();
try
{
inst.Apply(QVoid.Instance);
Assert.True(false); // make sure that exception actually happened
}
catch (System.Exception e)
{
Assert.True(true); // make sure that exception actually happened
}
Assert.Equal(1, exceptionCount); // check that we cought exception once
}