public void Lazily_creates_generators_as_requested_up_to_pool_size()
{
var property = CreateProperty();
var factoryMock = new Mock <IValueGeneratorFactory>();
factoryMock.Setup(m => m.Create(property)).Returns(() => new TemporaryValueGenerator());
var pool = new ValueGeneratorPool(factoryMock.Object, property, poolSize: 3);
factoryMock.Verify(m => m.Create(It.IsAny <Property>()), Times.Never);
var generator1 = pool.GetGenerator();
factoryMock.Verify(m => m.Create(It.IsAny <Property>()), Times.Once);
factoryMock.Verify(m => m.Create(property), Times.Once);
var generator2 = pool.GetGenerator();
factoryMock.Verify(m => m.Create(It.IsAny <Property>()), Times.Exactly(2));
factoryMock.Verify(m => m.Create(property), Times.Exactly(2));
Assert.NotSame(generator1, generator2);
var generator3 = pool.GetGenerator();
factoryMock.Verify(m => m.Create(It.IsAny <Property>()), Times.Exactly(3));
factoryMock.Verify(m => m.Create(property), Times.Exactly(3));
Assert.NotSame(generator2, generator3);
Assert.Same(generator1, pool.GetGenerator());
Assert.Same(generator2, pool.GetGenerator());
Assert.Same(generator3, pool.GetGenerator());
Assert.Same(generator1, pool.GetGenerator());
Assert.Same(generator2, pool.GetGenerator());
Assert.Same(generator3, pool.GetGenerator());
factoryMock.Verify(m => m.Create(It.IsAny <Property>()), Times.Exactly(3));
factoryMock.Verify(m => m.Create(property), Times.Exactly(3));
}
public void Lazily_creates_generators_as_requested_up_to_pool_size()
{
var property = CreateProperty();
var factoryMock = new Mock<IValueGeneratorFactory>();
factoryMock.Setup(m => m.Create(property)).Returns(CreateValueGeneratorCallback);
var pool = new ValueGeneratorPool(factoryMock.Object, property, poolSize: 3);
factoryMock.Verify(m => m.Create(It.IsAny<Property>()), Times.Never);
var generator1 = pool.GetGenerator();
factoryMock.Verify(m => m.Create(It.IsAny<Property>()), Times.Once);
factoryMock.Verify(m => m.Create(property), Times.Once);
var generator2 = pool.GetGenerator();
factoryMock.Verify(m => m.Create(It.IsAny<Property>()), Times.Exactly(2));
factoryMock.Verify(m => m.Create(property), Times.Exactly(2));
Assert.NotSame(generator1, generator2);
var generator3 = pool.GetGenerator();
factoryMock.Verify(m => m.Create(It.IsAny<Property>()), Times.Exactly(3));
factoryMock.Verify(m => m.Create(property), Times.Exactly(3));
Assert.NotSame(generator2, generator3);
Assert.Same(generator1, pool.GetGenerator());
Assert.Same(generator2, pool.GetGenerator());
Assert.Same(generator3, pool.GetGenerator());
Assert.Same(generator1, pool.GetGenerator());
Assert.Same(generator2, pool.GetGenerator());
Assert.Same(generator3, pool.GetGenerator());
factoryMock.Verify(m => m.Create(It.IsAny<Property>()), Times.Exactly(3));
factoryMock.Verify(m => m.Create(property), Times.Exactly(3));
}