public void PDFGradientDescriptorParserEmpty_Test()
{
string value = "";
PDFGradientDescriptor desc = null;
var result = PDFGradientDescriptor.TryParse(null, out desc);
Assert.IsFalse(result, "A null or empty string should return false for PDFGradientDescriptor.TryParse");
result = PDFGradientDescriptor.TryParse(value, out desc);
Assert.IsFalse(result, "A null or empty string should return false for PDFGradientDescriptor.TryParse");
}
public void PDFLinearGradientDescriptorParser_Test()
{
string value = "linear-gradient(red, green)";
PDFGradientDescriptor desc = null;
var result = PDFGradientDescriptor.TryParse(value, out desc);
Assert.IsTrue(result, "The linear gradient " + value + " failed to be parsed");
Assert.IsNotNull(desc, "Null returned for linear gradient " + value);
Assert.IsInstanceOfType(desc, typeof(PDFGradientLinearDescriptor), "Returned type for " + value + " was not a linear gradient");
var linear = desc as PDFGradientLinearDescriptor;
Assert.AreEqual(180, linear.Angle, "Angle for value " + value + " was not correct");
Assert.AreEqual(2, linear.Colors.Count, "Colour count for value " + value + " was not correct");
Assert.IsFalse(linear.Repeating, "The linear gradient was set to repeat for " + value);
//First red
Assert.AreEqual(PDFColors.Red, linear.Colors[0].Color, "First colour value for " + value + " was not correct");
Assert.IsFalse(linear.Colors[0].Distance.HasValue, "First colour distance for " + value + " was not null");
Assert.IsFalse(linear.Colors[0].Opacity.HasValue, "First colour opacity for " + value + " was not null");
//Second green
Assert.AreEqual(PDFColors.Green, linear.Colors[1].Color, "Second colour value for " + value + " was not correct");
Assert.IsFalse(linear.Colors[1].Distance.HasValue, "Second colour distance for " + value + " was not null");
Assert.IsFalse(linear.Colors[1].Opacity.HasValue, "Second colour opacity for " + value + " was not null");
value = "linear-gradient(to top, #FF0000, rgba(0, 128, 0, 0.5))";
result = PDFGradientDescriptor.TryParse(value, out desc);
Assert.IsTrue(result, "The linear gradient " + value + " failed to be parsed");
Assert.IsNotNull(desc, "Null returned for linear gradient " + value);
Assert.AreEqual(GradientType.Linear, desc.GradientType, "Returned gradient type was not linear: " + desc.GradientType);
Assert.IsInstanceOfType(desc, typeof(PDFGradientLinearDescriptor), "Returned type for " + value + " was not a linear gradient");
linear = desc as PDFGradientLinearDescriptor;
Assert.AreEqual(0, linear.Angle, "Angle for value " + value + " was not correct");
Assert.AreEqual(2, linear.Colors.Count, "Colour count for value " + value + " was not correct");
Assert.IsFalse(linear.Repeating, "The linear gradient was set to repeat for " + value);
//First red
Assert.AreEqual(PDFColors.Red, linear.Colors[0].Color, "First colour value for " + value + " was not correct");
Assert.IsFalse(linear.Colors[0].Distance.HasValue, "First colour distance for " + value + " was not null");
Assert.IsFalse(linear.Colors[0].Opacity.HasValue, "First colour opacity for " + value + " was not null");
//Second green 50% opacity
Assert.AreEqual(PDFColors.Green, linear.Colors[1].Color, "Second colour value for " + value + " was not correct");
Assert.IsFalse(linear.Colors[1].Distance.HasValue, "Second colour distance for " + value + " was not null");
Assert.IsTrue(linear.Colors[1].Opacity.HasValue, "Second colour opacity for " + value + " was null");
Assert.AreEqual(0.5, linear.Colors[1].Opacity.Value, "Second colour opacity for " + value + " was not correct: " + linear.Colors[1].Opacity.Value);
value = "linear-gradient(25deg, #FF0000, rgba(0, 128, 0, 0.5), yellow)";
result = PDFGradientDescriptor.TryParse(value, out desc);
Assert.IsTrue(result, "The linear gradient " + value + " failed to be parsed");
Assert.IsNotNull(desc, "Null returned for linear gradient " + value);
Assert.AreEqual(GradientType.Linear, desc.GradientType, "Returned gradient type was not linear: " + desc.GradientType);
Assert.IsInstanceOfType(desc, typeof(PDFGradientLinearDescriptor), "Returned type for " + value + " was not a linear gradient");
linear = desc as PDFGradientLinearDescriptor;
Assert.AreEqual(25, linear.Angle, "Angle for value " + value + " was not correct");
Assert.AreEqual(3, linear.Colors.Count, "Colour count for value " + value + " was not correct");
Assert.IsFalse(linear.Repeating, "The linear gradient was set to repeat for " + value);
//First red
Assert.AreEqual(PDFColors.Red, linear.Colors[0].Color, "First colour value for " + value + " was not correct");
Assert.IsFalse(linear.Colors[0].Distance.HasValue, "First colour distance for " + value + " was not null");
Assert.IsFalse(linear.Colors[0].Opacity.HasValue, "First colour opacity for " + value + " was not null");
//Second green 50% opacity
Assert.AreEqual(PDFColors.Green, linear.Colors[1].Color, "Second colour value for " + value + " was not correct");
Assert.IsFalse(linear.Colors[1].Distance.HasValue, "Second colour distance for " + value + " was not null");
Assert.IsTrue(linear.Colors[1].Opacity.HasValue, "Second colour opacity for " + value + " was null");
Assert.AreEqual(0.5, linear.Colors[1].Opacity.Value, "Second colour opacity for " + value + " was not correct: " + linear.Colors[1].Opacity.Value);
//Third yellow
Assert.AreEqual(PDFColors.Yellow, linear.Colors[2].Color, "Third colour value for " + value + " was not correct");
Assert.IsFalse(linear.Colors[2].Distance.HasValue, "Third colour distance for " + value + " was not null");
Assert.IsFalse(linear.Colors[2].Opacity.HasValue, "Third colour opacity for " + value + " was not null");
value = "repeating-linear-gradient(red, green 20%, rgba(200, 200, 200, 0.5) 50%)";
result = PDFGradientDescriptor.TryParse(value, out desc);
Assert.IsTrue(result, "The linear gradient " + value + " failed to be parsed");
Assert.IsNotNull(desc, "Null returned for linear gradient " + value);
Assert.AreEqual(GradientType.Linear, desc.GradientType, "Returned gradient type was not linear: " + desc.GradientType);
Assert.IsInstanceOfType(desc, typeof(PDFGradientLinearDescriptor), "Returned type for " + value + " was not a linear gradient");
linear = desc as PDFGradientLinearDescriptor;
Assert.AreEqual(180, linear.Angle, "Angle for value " + value + " was not correct");
Assert.AreEqual(3, linear.Colors.Count, "Colour count for value " + value + " was not correct");
Assert.IsTrue(linear.Repeating, "The linear gradient was not set to repeat for " + value);
//First red
Assert.AreEqual(PDFColors.Red, linear.Colors[0].Color, "First colour value for " + value + " was not correct");
Assert.IsFalse(linear.Colors[0].Distance.HasValue, "First colour distance for " + value + " was not null");
Assert.IsFalse(linear.Colors[0].Opacity.HasValue, "First colour opacity for " + value + " was not null");
//Second green
Assert.AreEqual(PDFColors.Green, linear.Colors[1].Color, "Second colour value for " + value + " was not correct");
Assert.IsTrue(linear.Colors[1].Distance.HasValue, "Second colour distance for " + value + " was null");
Assert.AreEqual(20, linear.Colors[1].Distance.Value, "Second colour distance for " + value + " was not correct");
Assert.IsFalse(linear.Colors[1].Opacity.HasValue, "Second colour opacity for " + value + " was not null");
//Final color
Assert.AreEqual(new PDFColor(ColorSpace.RGB, Color.FromArgb(200, 200, 200)), linear.Colors[2].Color, "Third colour value for " + value + " was not correct");
Assert.IsTrue(linear.Colors[2].Distance.HasValue, "Third colour distance for " + value + " was null");
Assert.AreEqual(50, linear.Colors[2].Distance.Value, "Third colour distance for " + value + " was not correct");
Assert.IsTrue(linear.Colors[2].Opacity.HasValue, "Third colour opacity for " + value + " was not null");
Assert.AreEqual(0.5, linear.Colors[2].Opacity.Value, "Third colour distance for " + value + " was not correct");
}
public void PDFRadialGradientDescriptorParser_Test()
{
string value = "radial-gradient(red, green)";
PDFGradientDescriptor desc = null;
var result = PDFGradientDescriptor.TryParse(value, out desc);
Assert.IsTrue(result, "The radial gradient " + value + " failed to be parsed");
Assert.IsNotNull(desc, "Null returned for radial gradient " + value);
Assert.IsInstanceOfType(desc, typeof(PDFGradientRadialDescriptor), "Returned type for " + value + " was not a radial gradient");
var radial = desc as PDFGradientRadialDescriptor;
Assert.AreEqual(RadialShape.Circle, radial.Shape, "Shape for value " + value + " was not correct");
Assert.AreEqual(2, radial.Colors.Count, "Colour count for value " + value + " was not correct");
Assert.IsFalse(radial.Repeating, "The linear gradient was set to repeat for " + value);
//First red
Assert.AreEqual(PDFColors.Red, radial.Colors[0].Color, "First colour value for " + value + " was not correct");
Assert.IsFalse(radial.Colors[0].Distance.HasValue, "First colour distance for " + value + " was not null");
Assert.IsFalse(radial.Colors[0].Opacity.HasValue, "First colour opacity for " + value + " was not null");
//Second green
Assert.AreEqual(PDFColors.Green, radial.Colors[1].Color, "Second colour value for " + value + " was not correct");
Assert.IsFalse(radial.Colors[1].Distance.HasValue, "Second colour distance for " + value + " was not null");
Assert.IsFalse(radial.Colors[1].Opacity.HasValue, "Second colour opacity for " + value + " was not null");
value = "radial-gradient(circle, #FF0000, rgba(0, 128, 0, 0.5), yellow)";
result = PDFGradientDescriptor.TryParse(value, out desc);
Assert.IsTrue(result, "The radial gradient " + value + " failed to be parsed");
Assert.IsNotNull(desc, "Null returned for radial gradient " + value);
Assert.IsInstanceOfType(desc, typeof(PDFGradientRadialDescriptor), "Returned type for " + value + " was not a radial gradient");
radial = desc as PDFGradientRadialDescriptor;
Assert.AreEqual(RadialShape.Circle, radial.Shape, "Angle for value " + value + " was not correct");
Assert.AreEqual(3, radial.Colors.Count, "Colour count for value " + value + " was not correct");
Assert.IsFalse(radial.Repeating, "The radial gradient was set to repeat for " + value);
//First red
Assert.AreEqual(PDFColors.Red, radial.Colors[0].Color, "First colour value for " + value + " was not correct");
Assert.IsFalse(radial.Colors[0].Distance.HasValue, "First colour distance for " + value + " was not null");
Assert.IsFalse(radial.Colors[0].Opacity.HasValue, "First colour opacity for " + value + " was not null");
//Second green 50% opacity
Assert.AreEqual(PDFColors.Green, radial.Colors[1].Color, "Second colour value for " + value + " was not correct");
Assert.IsFalse(radial.Colors[1].Distance.HasValue, "Second colour distance for " + value + " was not null");
Assert.IsTrue(radial.Colors[1].Opacity.HasValue, "Second colour opacity for " + value + " was null");
Assert.AreEqual(0.5, radial.Colors[1].Opacity.Value, "Second colour opacity for " + value + " was not correct: " + radial.Colors[1].Opacity.Value);
//Third yellow
Assert.AreEqual(PDFColors.Yellow, radial.Colors[2].Color, "Third colour value for " + value + " was not correct");
Assert.IsFalse(radial.Colors[2].Distance.HasValue, "Third colour distance for " + value + " was not null");
Assert.IsFalse(radial.Colors[2].Opacity.HasValue, "Third colour opacity for " + value + " was not null");
value = "repeating-radial-gradient(red, green)";
result = PDFGradientDescriptor.TryParse(value, out desc);
Assert.IsTrue(result, "The radial gradient " + value + " failed to be parsed");
Assert.IsNotNull(desc, "Null returned for radial gradient " + value);
Assert.IsInstanceOfType(desc, typeof(PDFGradientRadialDescriptor), "Returned type for " + value + " was not a radial gradient");
radial = desc as PDFGradientRadialDescriptor;
Assert.AreEqual(RadialShape.Circle, radial.Shape, "Shape for value " + value + " was not correct");
Assert.AreEqual(2, radial.Colors.Count, "Colour count for value " + value + " was not correct");
Assert.IsTrue(radial.Repeating, "The radial gradient was not set to repeat for " + value);
//First red
Assert.AreEqual(PDFColors.Red, radial.Colors[0].Color, "First colour value for " + value + " was not correct");
Assert.IsFalse(radial.Colors[0].Distance.HasValue, "First colour distance for " + value + " was not null");
Assert.IsFalse(radial.Colors[0].Opacity.HasValue, "First colour opacity for " + value + " was not null");
//Second green
Assert.AreEqual(PDFColors.Green, radial.Colors[1].Color, "Second colour value for " + value + " was not correct");
Assert.IsFalse(radial.Colors[1].Distance.HasValue, "Second colour distance for " + value + " was not null");
Assert.IsFalse(radial.Colors[1].Opacity.HasValue, "Second colour opacity for " + value + " was not null");
}
