Files
OpenRA/OpenRA.Test/OpenRA.Mods.Common/PerfGraphWidgetTest.cs

104 lines
3.1 KiB
C#

#region Copyright & License Information
/*
* Copyright (c) The OpenRA Developers and Contributors
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System.Text;
using NUnit.Framework;
using OpenRA.Mods.Common.Widgets;
namespace OpenRA.Test
{
[TestFixture]
sealed class PerfGraphWidgetTest
{
readonly PerfGraphWidget widget = new();
readonly StringBuilder output = new(6);
void AssertThat(double input, string expected)
{
output.Clear();
widget.SixCharacterFormatFloat(output, input);
Assert.That(output.ToString(), Is.EqualTo(expected));
}
[TestCase(TestName = "NaN is reported with 3 padding spaces after.")]
public void NaN()
{
AssertThat(double.NaN, "NaN ");
}
[TestCase(TestName = "Negative numbers are discarded as \"<0\" with 4 padding spaces after.")]
public void Negative()
{
AssertThat(-0.000001, "<0 ");
}
[TestCase(TestName = "Numbers < 1 start with a decimal point ('.') and show 5 decimal places after the decimal point.")]
public void Fractional()
{
AssertThat(0, ".00000");
AssertThat(0.000001, ".00000");
AssertThat(0.000004, ".00000");
AssertThat(0.0000049, ".00000");
AssertThat(0.000005, ".00001");
AssertThat(0.000009, ".00001");
AssertThat(0.00001, ".00001");
AssertThat(0.00004, ".00004");
AssertThat(0.00005, ".00005");
AssertThat(0.00009, ".00009");
AssertThat(0.0001, ".00010");
AssertThat(0.0004, ".00040");
AssertThat(0.0005, ".00050");
AssertThat(0.0009, ".00090");
AssertThat(0.001, ".00100");
AssertThat(0.005, ".00500");
AssertThat(0.01, ".01000");
AssertThat(0.05, ".05000");
AssertThat(0.1, ".10000");
AssertThat(0.5, ".50000");
}
[TestCase(TestName = "Numbers >= 1 and < 100000 show the 5 most signifcant digits with a decimal point ('.').")]
public void FiveSignificantDigits()
{
AssertThat(1, "1.0000");
AssertThat(9, "9.0000");
AssertThat(9.00005, "9.0001");
AssertThat(10, "10.000");
AssertThat(99, "99.000");
AssertThat(99.0005, "99.001");
AssertThat(100, "100.00");
AssertThat(123.4321, "123.43");
AssertThat(999.005, "999.01");
AssertThat(1000, "1000.0");
AssertThat(9999.04999999, "9999.0");
AssertThat(9999.05000001, "9999.1"); // Binary conversion causes 9999.05 + 0.05 => 9999.099999999999.
AssertThat(10000, "10000.");
}
[TestCase(TestName = "Numbers >= 100000 and < 1000000 show the 5 most signifcant digits with a decimal point ('.').")]
public void SixSignificantDigits()
{
AssertThat(99999.9, "100000");
AssertThat(100000, "100000");
AssertThat(999999, "999999");
}
[TestCase(TestName = "Numbers >= 1000000 are very unlikely for perf measurements and would require different formatting.")]
public void TooBig()
{
AssertThat(1000000, "TooBig");
AssertThat(1234321, "TooBig");
AssertThat(10000000, "TooBig");
AssertThat(100000000, "TooBig");
}
}
}