public void CanZoomInAndCanZoomOut()
{
var list = new ZoomLevelList();
list.CanZoomOut().Should().BeTrue();
list.CanZoomIn().Should().BeTrue();
list.GetCurrentZoomName().Should().Be("100%");
list.GetNextZoomInName().Should().Be("105%");
list.GetNextZoomOutName().Should().Be("95%");
Times(5, list.ZoomOut);
list.CanZoomOut().Should().BeTrue();
list.CanZoomIn().Should().BeTrue();
list.GetCurrentZoomName().Should().Be("75%");
list.GetNextZoomInName().Should().Be("80%");
list.GetNextZoomOutName().Should().Be("70%");
list.ZoomOut();
list.CanZoomOut().Should().BeFalse();
list.CanZoomIn().Should().BeTrue();
list.GetCurrentZoomName().Should().Be("70%");
list.GetNextZoomInName().Should().Be("75%");
list.GetNextZoomOutName().Should().Be("");
Times(11, list.ZoomIn);
list.CanZoomOut().Should().BeTrue();
list.CanZoomIn().Should().BeTrue();
list.GetCurrentZoomName().Should().Be("125%");
list.GetNextZoomInName().Should().Be("130%");
list.GetNextZoomOutName().Should().Be("120%");
list.ZoomIn();
list.CanZoomOut().Should().BeTrue();
list.CanZoomIn().Should().BeFalse();
list.GetCurrentZoomName().Should().Be("130%");
list.GetNextZoomInName().Should().Be("");
list.GetNextZoomOutName().Should().Be("125%");
}
public void ZoomListCanIdentifyDefaultAndRestore()
{
var list = new ZoomLevelList();
list.IsDefault().Should().BeTrue();
list.GetCurrentZoomName().Should().Be("100%");
list.ZoomOut();
list.IsDefault().Should().BeFalse();
list.GetCurrentZoomName().Should().Be("95%");
list.Restore();
list.IsDefault().Should().BeTrue();
list.GetCurrentZoomName().Should().Be("100%");
}
public void CanNotZoomOutsideOfLimit()
{
var list = new ZoomLevelList();
Times(5, list.ZoomOut);
list.CanZoomOut().Should().BeTrue();
list.GetCurrentZoomName().Should().Be("75%");
list.ZoomOut();
list.CanZoomOut().Should().BeFalse();
list.GetCurrentZoomName().Should().Be("70%");
list.ZoomOut();
list.CanZoomOut().Should().BeFalse();
list.GetCurrentZoomName().Should().Be("70%");
Times(11, list.ZoomIn);
list.CanZoomIn().Should().BeTrue();
list.GetCurrentZoomName().Should().Be("125%");
list.ZoomIn();
list.CanZoomIn().Should().BeFalse();
list.GetCurrentZoomName().Should().Be("130%");
list.ZoomIn();
list.CanZoomIn().Should().BeFalse();
list.GetCurrentZoomName().Should().Be("130%");
}
