public void FindFunction_SearchesInVmLibraries_WhenFoundReturnsReference()
{
var sut = new VMContext();
var vmLibrary = new TestVmLibrary("foo", "bar", "john");
sut.AddVMLibrary(vmLibrary);
var actual = sut.FindExternalFunction("bar");
Assert.Same(vmLibrary.Functions["bar"], actual);
}
public void FindFunction_WhenSearchingMethodIsNotFound_ThrowsException()
{
var sut = new VMContext();
Assert.Throws <InvalidOperationException>(() => sut.FindExternalFunction("notExistingMethod"));
}