|
|
@@ -21,6 +21,8 @@ using System.Drawing.Imaging;
|
|
|
using System.Runtime.InteropServices;
|
|
|
#endif
|
|
|
|
|
|
+using NUnit.Framework;
|
|
|
+
|
|
|
namespace DrawingTestHelper
|
|
|
{
|
|
|
#region Results serialization classes
|
|
|
@@ -158,6 +160,10 @@ namespace DrawingTestHelper
|
|
|
/// Summary description for DrawingTest.
|
|
|
/// </summary>
|
|
|
public abstract class DrawingTest {
|
|
|
+
|
|
|
+ public const float DEFAULT_FLOAT_TOLERANCE = 1e-5f;
|
|
|
+ public const int DEFAULT_IMAGE_TOLERANCE = 10;
|
|
|
+
|
|
|
Graphics _graphics;
|
|
|
protected Bitmap _bitmap;
|
|
|
static string _callingFunction;
|
|
|
@@ -297,15 +303,55 @@ namespace DrawingTestHelper
|
|
|
}
|
|
|
}
|
|
|
|
|
|
+ public static void AssertAlmostEqual (float expected, float actual)
|
|
|
+ {
|
|
|
+ AssertAlmostEqual (expected, actual, DEFAULT_FLOAT_TOLERANCE);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static void AssertAlmostEqual (float expected, float actual, float tolerance)
|
|
|
+ {
|
|
|
+ string msg = String.Format("\nExpected : {0} \nActual : {1}",expected.ToString(),actual.ToString());
|
|
|
+ AssertAlmostEqual (expected, actual, tolerance, msg);
|
|
|
+ }
|
|
|
+
|
|
|
+ private static void AssertAlmostEqual (float expected, float actual, float tolerance, string message)
|
|
|
+ {
|
|
|
+ float error = Math.Abs (expected - actual) / (expected + actual + float.Epsilon);
|
|
|
+ Assert.IsTrue (error < tolerance, message);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static void AssertAlmostEqual (PointF expected, PointF actual)
|
|
|
+ {
|
|
|
+ string msg = String.Format("\nExpected : {0} \n Actual : {1}",expected.ToString(),actual.ToString());
|
|
|
+ AssertAlmostEqual (expected.X, actual.X, DEFAULT_FLOAT_TOLERANCE, msg);
|
|
|
+ AssertAlmostEqual (expected.Y, actual.Y, DEFAULT_FLOAT_TOLERANCE, msg);
|
|
|
+ }
|
|
|
+
|
|
|
+ public bool Compare () {
|
|
|
+ CheckCounter ();
|
|
|
+ return (CompareToExpectedInternal()*100) < DEFAULT_IMAGE_TOLERANCE;
|
|
|
+ }
|
|
|
+
|
|
|
/// <summary>
|
|
|
/// Checks that the given bitmap norm is similar to expected
|
|
|
/// </summary>
|
|
|
/// <param name="tolerance">tolerance in percents (0..100)</param>
|
|
|
/// <returns></returns>
|
|
|
+ ///
|
|
|
public bool Compare (double tolerance) {
|
|
|
CheckCounter ();
|
|
|
return (CompareToExpectedInternal()*100) < tolerance;
|
|
|
}
|
|
|
+
|
|
|
+ public void AssertCompare () {
|
|
|
+ CheckCounter ();
|
|
|
+ Assert.IsTrue ((CompareToExpectedInternal () * 100) < DEFAULT_IMAGE_TOLERANCE);
|
|
|
+ }
|
|
|
+
|
|
|
+ public void AssertCompare (double tolerance) {
|
|
|
+ CheckCounter ();
|
|
|
+ Assert.IsTrue ((CompareToExpectedInternal () * 100) < tolerance);
|
|
|
+ }
|
|
|
|
|
|
public double CompareToExpected () {
|
|
|
CheckCounter ();
|
Andrew Skiba