public void MozExamples()
{
LinearGradient.Parse("linear-gradient(#e66465, #9198e5)");
// LinearGradient.Parse("linear-gradient(0.25turn, #3f87a6, #ebf8e1, #f69d3c);");
LinearGradient.Parse("linear-gradient(to left, #333, #333 50%, #eee 75%, #333 75%)");
// https://developer.mozilla.org/en-US/docs/Web/CSS/linear-gradient
}
public void A()
{
var gradient = LinearGradient.Parse("linear-gradient(0deg, rgb(153, 116, 186) 0%, rgb(194, 234, 9) 20%, rgb(0, 203, 227) 80%, rgb(47, 84, 176) 100%)");
Assert.Equal(new Rgba32(153, 116, 186), gradient.Stops[0].Color);
Assert.Equal(new Rgba32(194, 234, 9), gradient.Stops[1].Color);
Assert.Equal(4, gradient.Stops.Length);
}
public void ParseDefault()
{
var result = LinearGradient.Parse("linear-gradient(#000, transparent 50%, #fff)");
Assert.Null(result.Angle);
Assert.Equal(LinearGradientDirection.None, result.Direction);
Assert.Equal("000000ff", result.Stops[0].Color.ToHex8());
Assert.Equal("00000000", result.Stops[1].Color.ToHex8());
Assert.Equal("ffffffff", result.Stops[2].Color.ToHex8());
}
public void ParseDirectional()
{
var result = LinearGradient.Parse("to top, #000, transparent 50%, #fff");
Assert.Null(result.Angle);
Assert.Equal(LinearGradientDirection.Top, result.Direction);
Assert.Equal("000000ff", result.Stops[0].Color.ToHex8());
Assert.Equal("00000000", result.Stops[1].Color.ToHex8());
Assert.Equal("ffffffff", result.Stops[2].Color.ToHex8());
}
public void ParseLegacySyntaxWithoutTo()
{
var result = LinearGradient.Parse("top left, #000, #00000000 50%, #fff");
Assert.Null(result.Angle);
Assert.Equal(LinearGradientDirection.TopLeft, result.Direction);
Assert.Equal("000000ff", result.Stops[0].Color.ToHex8());
Assert.Equal("00000000", result.Stops[1].Color.ToHex8());
Assert.Equal("ffffffff", result.Stops[2].Color.ToHex8());
}
public void ParseFunctionSyntax()
{
var result = LinearGradient.Parse("linear-gradient(top left, #000, transparent 50%, #fff)");
Assert.Null(result.Angle);
Assert.Equal(LinearGradientDirection.TopLeft, result.Direction);
Assert.Equal("000000ff", result.Stops[0].Color.ToHex8());
Assert.Equal("00000000", result.Stops[1].Color.ToHex8());
Assert.Equal("ffffffff", result.Stops[2].Color.ToHex8());
}
public void ParseNamedColors()
{
var result = LinearGradient.Parse("linear-gradient(135deg, orange, orange 60%, cyan)");
Assert.Equal(135d, result.Angle);
Assert.Equal("ffa500ff", result.Stops[0].Color.ToHex8());
Assert.Equal("ffa500ff", result.Stops[1].Color.ToHex8());
Assert.Equal("00ffffff", result.Stops[2].Color.ToHex8());
Assert.Equal("linear-gradient(135deg, #ffa500, #ffa500 60%, #00ffff)", result.ToString());
}
public void ParseAngle()
{
var result = LinearGradient.Parse("30deg, #006, #00a 90%, #0000af 100%");
Assert.Equal(3, result.Stops.Length);
Assert.Equal("000066", result.Stops[0].Color.ToHex6());
Assert.Equal("0000aa", result.Stops[1].Color.ToHex6());
Assert.Equal("0000af", result.Stops[2].Color.ToHex6());
Assert.Equal(30, result.Angle);
}
public void ThrowsOnInvalidInput()
{
Assert.Throws <IndexOutOfRangeException>(() => LinearGradient.Parse(",,,,,,"));
Assert.Throws <Exception>(() => LinearGradient.Parse("linear-gradientt(#000)"));
}