public void TestMinimumMaximumValues()
{
var slider = new Slider();
// test Minimum
Assert.DoesNotThrow(() => slider.Minimum = 0.5f);
Assert.AreEqual(0.5f, slider.Minimum);
Assert.DoesNotThrow(() => slider.Minimum = -1f);
Assert.AreEqual(-1f, slider.Minimum);
Assert.DoesNotThrow(() => slider.Minimum = 5f);
Assert.AreEqual(5f, slider.Minimum);
Assert.AreEqual(5f, slider.Maximum); // value updated to Minimum
// Restore values
slider.Minimum = -1.0f;
slider.Maximum = 1.0f;
// test Maximum
Assert.DoesNotThrow(() => slider.Maximum = 5f);
Assert.AreEqual(5f, slider.Maximum);
Assert.DoesNotThrow(() => slider.Maximum = -0.5f);
Assert.AreEqual(-0.5f, slider.Maximum);
Assert.DoesNotThrow(() => slider.Maximum = -5f);
Assert.AreEqual(-1f, slider.Maximum); // value clamped to Minimum
// Restore values
slider.Minimum = -1.0f;
slider.Maximum = 1.0f;
// test Value
Assert.DoesNotThrow(() => slider.Value = -10f);
Assert.AreEqual(-1.0f, slider.Value);
Assert.DoesNotThrow(() => slider.Value = 10);
Assert.AreEqual(1.0f, slider.Value);
}
protected override async Task LoadContent()
{
await base.LoadContent();
sliderImages = Content.Load<SpriteSheet>("DebugSlider");
slider = new Slider { TrackStartingOffsets = new Vector2(10, 6), TickOffset = 10 };
SetSliderImages(isRotatedImages);
grid = new UniformGrid { Children = { slider } };
UIComponent.Page = new Engine.UIPage { RootElement = grid };
}
public void TestProperties()
{
var slider = new Slider();
// test properties default values
Assert.AreEqual(10, slider.TickFrequency);
Assert.AreEqual(0, slider.Minimum);
Assert.AreEqual(1, slider.Maximum);
Assert.AreEqual(0.1f, slider.Step);
Assert.AreEqual(0, slider.Value);
Assert.AreEqual(5, slider.DrawLayerNumber);
Assert.AreEqual(false, slider.IsDirectionReversed);
Assert.AreEqual(false, slider.AreTicksDisplayed);
Assert.AreEqual(false, slider.ShouldSnapToTicks);
Assert.AreEqual(true, slider.CanBeHitByUser);
Assert.AreEqual(Orientation.Horizontal, slider.Orientation);
Assert.AreEqual(HorizontalAlignment.Center, slider.HorizontalAlignment);
Assert.AreEqual(VerticalAlignment.Center, slider.VerticalAlignment);
Assert.AreEqual(DepthAlignment.Center, slider.DepthAlignment);
}
public void TestMinimumMaximumValues()
{
var slider = new Slider();
Assert.DoesNotThrow(() => slider.Minimum = 0.5f);
Assert.AreEqual(0.5f, slider.Minimum);
Assert.DoesNotThrow(() => slider.Minimum = -1f);
Assert.AreEqual(-1f, slider.Minimum);
Assert.Throws<ArgumentOutOfRangeException>(() => slider.Minimum = 5f);
Assert.AreEqual(-1f, slider.Minimum);
Assert.DoesNotThrow(() => slider.Maximum = 5f);
Assert.AreEqual(5f, slider.Maximum);
Assert.DoesNotThrow(() => slider.Maximum = -0.5f);
Assert.AreEqual(-0.5f, slider.Maximum);
Assert.Throws<ArgumentOutOfRangeException>(() => slider.Maximum = -5f);
Assert.AreEqual(-0.5f, slider.Maximum);
Assert.DoesNotThrow(() => slider.Value = -10f);
Assert.AreEqual(-1f, slider.Value);
Assert.DoesNotThrow(() => slider.Value = 10);
Assert.AreEqual(-0.5f, slider.Value);
}
public void TestBasicInvalidations()
{
var slider = new Slider();
// - test the properties that are supposed to invalidate the object layout state
UIElementLayeringTests.TestMeasureInvalidation(slider, () => slider.Orientation = Orientation.Vertical);
UIElementLayeringTests.TestMeasureInvalidation(slider, () => slider.TrackBackgroundImage = new Sprite());
// - test the properties that are not supposed to invalidate the object layout state
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.AreTicksDisplayed = true);
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.CanBeHitByUser = false);
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.ShouldSnapToTicks = true);
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.DrawLayerNumber = 60);
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.Value = 0.5f);
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.Step = 0.2f);
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.Maximum = 0.2f);
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.Minimum = 0.1f);
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.TrackForegroundImage = new Sprite());
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.ThumbImage = new Sprite());
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.MouseOverThumbImage = new Sprite());
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.DependencyProperties.Set(Slider.TickImagePropertyKey, new Sprite()));
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.TickOffset = new float());
UIElementLayeringTests.TestNoInvalidation(slider, () => slider.TrackStartingOffsets = new Vector2());
}
public void TestMeausureOverride()
{
var slider = new Slider();
slider.Measure(new Vector3(100, 200, 300));
Assert.AreEqual(new Vector3(0), slider.RenderSize);
slider.TrackBackgroundImage = new Sprite { Region = new RectangleF(2, 3, 40, 50) };
slider.Measure(new Vector3(100, 200, 300));
Assert.AreEqual(new Vector3(100, 50, 0), slider.DesiredSize);
slider.Orientation = Orientation.Vertical;
slider.Measure(new Vector3(100, 200, 300));
Assert.AreEqual(new Vector3(50, 200, 0), slider.DesiredSize);
slider.Orientation = Orientation.InDepth;
slider.Measure(new Vector3(100, 200, 300));
Assert.AreEqual(new Vector3(50, 50, 300), slider.DesiredSize); // subject to changes
slider.Orientation = Orientation.Horizontal;
slider.TrackBackgroundImage.Orientation = ImageOrientation.Rotated90;
slider.Measure(new Vector3(100, 200, 300));
Assert.AreEqual(new Vector3(100, 40, 0), slider.DesiredSize);
slider.Orientation = Orientation.Vertical;
slider.Measure(new Vector3(100, 200, 300));
Assert.AreEqual(new Vector3(40, 200, 0), slider.DesiredSize);
slider.TrackBackgroundImage.Orientation = ImageOrientation.AsIs;
slider.Measure(new Vector3(100, 200, 300));
Assert.AreEqual(new Vector3(50, 200, 0), slider.DesiredSize);
}
public void TestTickSnapping()
{
var slider = new Slider { TickFrequency = 1 };
slider.Value = 0.55f;
slider.SnapToClosestTick();
Assert.AreEqual(1f, slider.Value);
slider.Value = 0.45f;
slider.SnapToClosestTick();
Assert.AreEqual(0f, slider.Value);
slider.TickFrequency = 20;
slider.Value = 0.44f;
slider.ShouldSnapToTicks = true;
Utilities.AssertAreNearlyEqual(0.45f, slider.Value);
slider.TickFrequency = 5;
Utilities.AssertAreNearlyEqual(0.4f, slider.Value);
slider.Value = 0.22f;
Utilities.AssertAreNearlyEqual(0.2f, slider.Value);
slider.Step = 0.16f;
slider.Increase();
Utilities.AssertAreNearlyEqual(0.4f, slider.Value);
}
public void TestIncreateDecrease()
{
var slider = new Slider { Value = 0.5f };
slider.Increase();
Assert.AreEqual(0.6f, slider.Value);
slider.Decrease();
Assert.AreEqual(0.5f, slider.Value);
slider.Step = 0.01f;
slider.Decrease();
Assert.AreEqual(0.49f, slider.Value);
slider.Increase();
Assert.AreEqual(0.5f, slider.Value);
slider.Step = 5f;
slider.Increase();
Assert.AreEqual(1f, slider.Value);
slider.Decrease();
Assert.AreEqual(0f, slider.Value);
slider.Step = 0f;
slider.ShouldSnapToTicks = true;
slider.Increase();
Assert.AreEqual(0.1f, slider.Value);
slider.Value = 0.5f;
slider.Decrease();
Assert.AreEqual(0.4f, slider.Value);
slider.Step = 0.16f;
slider.Increase();
Assert.AreEqual(0.6f, slider.Value);
}
public void TestValueChanged()
{
var valueChanged = false;
var slider = new Slider();
slider.ValueChanged += (s, e) => valueChanged = true;
slider.Value = 0;
Assert.AreEqual(false, valueChanged);
valueChanged = false;
slider.Value = 1;
Assert.AreEqual(true, valueChanged);
valueChanged = false;
slider.Value = 2;
Assert.AreEqual(false, valueChanged); // because of maximum
valueChanged = false;
slider.Value = 0.55f;
valueChanged = false;
slider.SnapToClosestTick();
Assert.AreEqual(true, valueChanged);
valueChanged = false;
slider.Value = 0.5f;
valueChanged = false;
slider.TickFrequency = 3f;
slider.ShouldSnapToTicks = true;
Assert.AreEqual(true, valueChanged);
valueChanged = false;
slider.TickFrequency = 4f;
Assert.AreEqual(true, valueChanged);
valueChanged = false;
}
protected void ApplySliderDefaultStyle(Slider slider)
{
if (slider == null) throw new ArgumentNullException(nameof(slider));
slider.TrackBackgroundImage = sliderTrackBackgroundImage;
slider.TrackForegroundImage = sliderTrackForegroundImage;
slider.ThumbImage = sliderThumbImage;
slider.MouseOverThumbImage = sliderMouseOverThumbImage;
slider.TickImage = sliderTickImage;
slider.TickOffset = sliderTickOffset;
slider.TrackStartingOffsets = sliderTrackStartingOffsets;
}
