Merge pull request #253 from aruljenithberkmans/main

I249- Fix AreaSeries Y-Axis Rendering Issue in .NET MAUI Chart.

Author: Saravanan-Madhesh

maui/src/Charts/Segment/AreaSegment.cs

@@ -184,8 +184,6 @@ internal override void SetData(IList xValues, IList yValues)
 
 				var yMin = YValues.Min();
 				yMin = double.IsNaN(yMin) ? YValues.Length > 0 ? YValues.Where(e => !double.IsNaN(e)).DefaultIfEmpty().Min() : 0 : yMin;
-				var start = series.ActualYAxis.VisibleRange.Start;
-				yMin = yMin == 0 ? (double.IsNaN(start) ? yMin : start) : yMin;
 
 				Empty = double.IsNaN(yMin);
 

maui/src/Charts/Segment/PolarAreaSegment.cs

@@ -75,8 +75,6 @@ internal override void SetData(IList xDatas, IList yDatas)
 				yDatas.CopyTo(_yValues, 0);
 				var yMin = _yValues.Min();
 				yMin = double.IsNaN(yMin) ? _yValues.Length > 0 ? _yValues.Where(e => !double.IsNaN(e)).DefaultIfEmpty().Min() : 0 : yMin;
-				var start = series.ActualYAxis.VisibleRange.Start;
-				yMin = yMin == 0 ? (double.IsNaN(start) ? yMin : start) : yMin;
 				series.XRange += new DoubleRange(_xValues.Min(), _xValues.Max());
 				series.YRange += new DoubleRange(yMin, _yValues.Max());
 			}

maui/src/Charts/Segment/SplineAreaSegment.cs

@@ -137,8 +137,6 @@ void UpdateRange()
 			{
 				_minY = YVal.Min();
 				_minY = double.IsNaN(_minY) ? YVal.Length > 0 ? YVal.Where(e => !double.IsNaN(e)).DefaultIfEmpty().Min() : 0 : _minY;
-				var start = series.ActualYAxis.VisibleRange.Start;
-				_minY = _minY == 0 ? (double.IsNaN(start) ? _minY : start) : _minY;
 				_maxY = YVal.Max();
 
 				double startControlMin = ControlStartY.Min();

maui/src/Charts/Segment/SplineRangeAreaSegment.cs

@@ -266,8 +266,6 @@ void UpdateRange()
 			{
 				_min = HighVal.Min();
 				_min = double.IsNaN(_min) ? HighVal.Length > 0 ? HighVal.Where(e => !double.IsNaN(e)).DefaultIfEmpty().Min() : 0 : _min;
-				var start = series.ActualYAxis.VisibleRange.Start;
-				_min = _min == 0 ? (double.IsNaN(start) ? _min : start) : _min;
 				_max = HighVal.Max();
 
 				if (HighControlStartY != null && HighControlEndY != null)

maui/src/Charts/Segment/StackingAreaSegment.cs

@@ -44,8 +44,6 @@ internal void SetData(IList xValues, IList yEnds, IList yStarts)
 
 				var yMin = TopValues.Min();
 				yMin = double.IsNaN(yMin) ? TopValues.Length > 0 ? TopValues.Where(e => !double.IsNaN(e)).DefaultIfEmpty().Min() : 0 : yMin;
-				var start = series.ActualYAxis.VisibleRange.Start;
-				yMin = yMin == 0 ? (double.IsNaN(start) ? yMin : start) : yMin;
 
 				Series.XRange += new DoubleRange(XValues.Min(), XValues.Max());
 				Series.YRange += new DoubleRange(yMin, TopValues.Max());

maui/tests/Syncfusion.Maui.Toolkit.UnitTest/Chart/Features/ChartFeatureAxisUnitTest.cs

@@ -1534,7 +1534,7 @@ public void AddSmallTicksPoint_ShouldAddCorrectNumberOfSmallTicks()
         }
 
         [Theory]
-        [InlineData(0, 100, 1)]
+        [InlineData(0, 100, 20)]
         [InlineData(0, 365, 2)] 
         public void CalculateNiceInterval_ShouldReturnCorrectInterval(double start, double end, double expectedInterval)
         {
@@ -1604,7 +1604,7 @@ public void OnMinMaxChanged_ShouldUpdateActualRangeWithMinMaxValues_WhenMinMaxAr
         [InlineData(DateTimeIntervalType.Years, 0.1)]
         [InlineData(DateTimeIntervalType.Months, 1)]
         [InlineData(DateTimeIntervalType.Days, 50)]
-        [InlineData(DateTimeIntervalType.Hours, 1000)]
+        [InlineData(DateTimeIntervalType.Hours, 500)]
         [InlineData(DateTimeIntervalType.Minutes, 50000)]
         [InlineData(DateTimeIntervalType.Seconds, 2000000)]
         public void CalculateDateTimeIntervalType_ShouldReturnCorrectInterval_ForGivenIntervalType(DateTimeIntervalType intervalType, double expectedInterval)
@@ -2062,8 +2062,8 @@ public void CalculateActualRange_ReturnsExpectedRange(double defaultMin, double
         }
 
         [Theory]
-        [InlineData(double.NaN, 10)]  
-        [InlineData(0, 10)]         
+        [InlineData(double.NaN, 5)]  
+        [InlineData(0, 5)]         
         [InlineData(5, 5)]        
         public void CalculateActualInterval_ReturnsExpectedInterval(double axisInterval, double expected)
         {
@@ -2081,7 +2081,7 @@ public void CalculateActualInterval_ReturnsExpectedInterval(double axisInterval,
         }
 
         [Theory]
-        [InlineData(1, 10, 100, 10)]    
+        [InlineData(1, 10, 100, 5)]    
         [InlineData(1, 1000, 100, 1000)]
         [InlineData(1, 1000, 10, 1000)] 
         public void CalculateNiceInterval_ReturnsExpectedInterval(double rangeStart, double rangeEnd, int availableWidth, double expected)