public void SizeTrackerNegativeTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(new Size(-5, -10));
Assert.AreEqual(0.5, sizeTracker.Ratio);
sizeTracker.Width = 20;
Assert.AreEqual(40, sizeTracker.Height);
}
public void SizeTrackerDoNotMaintainAspectRatioTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(new Size(800, 600));
sizeTracker.Height = 480;
Assert.AreEqual(800, sizeTracker.Width);
sizeTracker.Width = 100;
Assert.AreEqual(480, sizeTracker.Height);
}
public void UpdateSizeTrackerTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(new Size(512, 512));
Assert.AreEqual(1.0, sizeTracker.Ratio);
sizeTracker.Width = 1024;
sizeTracker.Height = 768;
sizeTracker.UpdateRatio();
Assert.AreEqual(1024.0 / 768.0, sizeTracker.Ratio);
}
public void SizeTrackerEmptyTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(Size.Empty);
Assert.AreEqual(1.0, sizeTracker.Ratio);
sizeTracker.Height = 0;
sizeTracker.Width = 0;
Assert.AreEqual(1.0, sizeTracker.Ratio);
sizeTracker.Width = 5;
Assert.AreEqual(1.0, sizeTracker.Ratio);
}
public void SizeTrackerEventTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(new Size(800, 600));
SizeTrackerEventSink eventSink = new SizeTrackerEventSink(sizeTracker);
eventSink.ExpectedWidth = 640;
eventSink.ExpectedHeight = 480;
eventSink.ExpectedHeightChangedCallsCount = 1;
eventSink.ExpectedWidthChangedCallsCount = 0;
sizeTracker.Width = 640;
Assert.AreEqual(new Size(640, 480), sizeTracker.Size);
eventSink.Verify();
}
private Size GetImageSize(Size originalImageSize)
{
NuGenRatioSizeTracker tracker = new NuGenRatioSizeTracker(originalImageSize);
int maxWidth = _maxWidthCheckBox.Checked ? _maxWidthSpin.Value : originalImageSize.Width;
int maxHeight = _maxHeightCheckBox.Checked ? _maxHeightSpin.Value : originalImageSize.Height;
tracker.MaintainAspectRatio = true;
tracker.Width = maxWidth;
if (tracker.Height > maxHeight)
{
tracker.Height = maxHeight;
}
return(tracker.Size);
}
public void SizeTrackerMaintainAspectRatioTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(new Size(800, 600));
Assert.AreEqual(800.0 / 600.0, sizeTracker.Ratio);
sizeTracker.Height = 480;
Assert.AreEqual(640, sizeTracker.Size.Width);
sizeTracker.Width = 1280;
Assert.AreEqual(960, sizeTracker.Size.Height);
sizeTracker.Height = 240;
Assert.AreEqual(320, sizeTracker.Size.Width);
sizeTracker.Width = 100;
Assert.AreEqual(75, sizeTracker.Size.Height);
}
public SizeTrackerEventSink(NuGenRatioSizeTracker sizeTracker)
{
if (sizeTracker == null)
{
throw new ArgumentNullException("sizeTracker");
}
_sizeTracker = sizeTracker;
_sizeTracker.HeightChanged += delegate
{
_expectedHeight.Actual = _sizeTracker.Height;
_expectedWidth.Actual = _sizeTracker.Width;
_expectedHeightChangedCallsCount.Inc();
};
_sizeTracker.WidthChanged += delegate
{
_expectedWidth.Actual = _sizeTracker.Width;
_expectedHeight.Actual = _sizeTracker.Width;
_expectedWidthChangedCallsCount.Inc();
};
}
public void SizeTrackerDoNotMaintainAspectRatioEventTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(new Size(800, 600));
SizeTrackerEventSink eventSink = new SizeTrackerEventSink(sizeTracker);
eventSink.ExpectedHeightChangedCallsCount = 0;
eventSink.ExpectedWidthChangedCallsCount = 0;
sizeTracker.Height = 800;
Assert.AreEqual(new Size(800, 800), sizeTracker.Size);
sizeTracker.Width = 480;
Assert.AreEqual(new Size(480, 800), sizeTracker.Size);
eventSink.Verify();
}