public void TransientProducerWithConstantExpressionShouldReturnSame()
{
var o1 = new object();
IExpressionGenerator generator = new ConstantExpressionGenerator(o1);
IInstanceProvider provider = new TransientInstanceProvider(typeof(object), generator);
var o2 = provider.GetInstance();
Assert.NotNull(o2);
Assert.AreSame(o1, o2);
// Stupid, but let's be sure
foreach (var obj in Enumerable.Range(0, 100).Select(i => provider.GetInstance()))
Assert.AreSame(o1, obj);
}
public void TransientShouldCreateNewObjectEveryTime()
{
IExpressionGenerator generator = new ConstructorExpressionGenerator(ConstructorSelectors.MostSpecific);
IInstanceProvider provider = new TransientInstanceProvider(typeof(object), generator);
AssertTransientsAreDifferent(provider.GetInstance(), provider.GetInstance());
}
public void ShouldCreateExpressionOnlyOnce()
{
IExpressionGenerator generator = new ConstructorExpressionGenerator(ConstructorSelectors.MostSpecific);
IInstanceProvider provider = new TransientInstanceProvider(typeof(object), generator);
Expression expr = null;
generator.ExpressionGenerated += (sender, args) => { expr = args.Expression; };
provider.GetInstance();
Assert.NotNull(expr);
Assert.AreSame(expr, provider.Expression);
}
