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();
}
public void TestCanPlotBarChart()
{
var chart = new BarChart
{
DataPoints = new[]
{
new BarChartDataPoint {CategoryName = "Brazil", Value = 5},
new BarChartDataPoint {CategoryName = "Italy", Value = 4},
new BarChartDataPoint {CategoryName = "Germany", Value = 3},
new BarChartDataPoint {CategoryName = "Argentina", Value = 2},
new BarChartDataPoint {CategoryName = "Uruguay", Value = 2},
new BarChartDataPoint {CategoryName = "France", Value = 1},
new BarChartDataPoint {CategoryName = "Spain", Value = 1},
new BarChartDataPoint {CategoryName = "England", Value = 1}
}
};
chart.AssertOutputEquals(
" Brazil |##### 5\r\n" +
" Italy |#### 4\r\n" +
" Germany |### 3\r\n" +
" Argentina |## 2\r\n" +
" Uruguay |## 2\r\n" +
" France |# 1\r\n" +
" Spain |# 1\r\n" +
" England |# 1\r\n" +
" ------\r\n"
,
"<pre><code>Brazil |##### 5\n" +
"Italy |#### 4\n" +
"Germany |### 3\n" +
"Argentina |## 2\n" +
"Uruguay |## 2\n" +
"France |# 1\n" +
"Spain |# 1\n" +
"England |# 1\n" +
" ------\n" +
"</code></pre>\n");
}
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 TestCanPlotBarChartWithNoData()
{
var chart = new BarChart();
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 TestSpecialCharactersInCategoryNameAreEscaped()
{
var chart = new BarChart{DataPoints = new[]
{
new BarChartDataPoint{CategoryName = "\tLine1\rLine2", Value = 10}
}};
chart.AssertOutputEquals(
" \\tLine1\\rLine2 |########## 10\r\n" +
" -----------\r\n",
"<pre><code>\\tLine1\\rLine2 |########## 10\n" +
" -----------\n" +
"</code></pre>\n");
}
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();
}
