public void TestCanPlotBarChartWithNoData()
{
var chart = new BarChart();
chart.WriteToTrace();
}
public void TestChartWidthCanBeRestricted()
{
var chart = new BarChart
{
MaximumChartWidth = 10,
DataPoints = new[]
{
new BarChartDataPoint {CategoryName = "Elvis Presley", Value = 21},
new BarChartDataPoint {CategoryName = "The Beatles ", Value = 17},
new BarChartDataPoint {CategoryName = "Westlife", Value = 14},
new BarChartDataPoint {CategoryName = "Cliff Richard", Value = 14},
new BarChartDataPoint {CategoryName = "Madonna", Value = 13}
}
};
chart.WriteToTrace();
}
public void TestVerySmallValuesAreScaled()
{
var chart = new BarChart
{
MaximumDecimalPlaces = 8,
DataPoints = new[]
{
new BarChartDataPoint {CategoryName = "Length of a mosquito", Value = 0.015},
new BarChartDataPoint {CategoryName = "Length of a red ant ", Value = 0.005},
new BarChartDataPoint {CategoryName = "Human Hair thickness", Value = 0.0001},
new BarChartDataPoint {CategoryName = "Length of red blood cell", Value = 0.000008}
}
};
chart.WriteToTrace();
}
public void TestVeryLargeValuesAreScaled()
{
var chart = new BarChart
{
DataPoints = new[]
{
new BarChartDataPoint {CategoryName = "China", Value = 1364},
new BarChartDataPoint {CategoryName = "India", Value = 1244},
new BarChartDataPoint {CategoryName = "United States", Value = 318},
new BarChartDataPoint {CategoryName = "Indonesia", Value = 247},
new BarChartDataPoint {CategoryName = "Brazil", Value = 203}
}
};
chart.WriteToTrace();
}
public void TestScalingCanBeSpecified()
{
const int valueCount = 20;
var chart = new BarChart
{
ScaleAlways = true,
MaximumChartWidth = 40,
DataPoints = from i in Enumerable.Range(0, valueCount)
let rad = (i*2.0*Math.PI)/valueCount
select new BarChartDataPoint
{
CategoryName = string.Format("Cos({0:0.0})", rad),
Value = Math.Cos(rad)
}
};
chart.WriteToTrace();
}
public void TestNegativeValuesCanBePlotted()
{
var chart = new BarChart
{
DataPoints = new[]
{
new BarChartDataPoint {CategoryName = "United States", Value = -17.3},
new BarChartDataPoint {CategoryName = "United Kingdom ", Value = -10.1},
new BarChartDataPoint {CategoryName = "Germany", Value = -5.7},
new BarChartDataPoint {CategoryName = "France", Value = -5.3},
new BarChartDataPoint {CategoryName = "Japan", Value = -3}
}
};
chart.WriteToTrace();
}
public void TestDecimalValuesAreRoundedToNearestWhole()
{
var chart = new BarChart
{
DataPoints = new[]
{
new BarChartDataPoint {CategoryName = "United States", Value = 16.2},
new BarChartDataPoint {CategoryName = "China", Value = 8.4},
new BarChartDataPoint {CategoryName = "Japan", Value = 6},
new BarChartDataPoint {CategoryName = "Germany", Value = 3.4},
new BarChartDataPoint {CategoryName = "France", Value = 2.6},
new BarChartDataPoint {CategoryName = "United Kingdom", Value = 2.5}
}
};
chart.WriteToTrace();
}