public void MathInputButton_KeyboardProperty()
{
var mathKeyboardClassThatProcessesKeyPresses = new MathKeyboard();
var mathInputButton = new MathInputButton();
mathInputButton.SetValue(MathInputButton.KeyboardProperty, mathKeyboardClassThatProcessesKeyPresses);
Assert.Equal(mathKeyboardClassThatProcessesKeyPresses, mathInputButton.Keyboard);
}
public void MathInputButtonsHaveTransparentBackgroundByDefault(MathKeyboardInput mathKeyboardInput)
{
var mathInputButton = new MathInputButton {
Input = mathKeyboardInput
};
Assert.Equal(Color.Transparent, mathInputButton.BackgroundColor);
}
public void AllMathInputButtonsHaveLatexContent(MathKeyboardInput mathKeyboardInput)
{
var mathInputButton = new MathInputButton {
Input = mathKeyboardInput
};
Assert.False(string.IsNullOrEmpty(mathInputButton.Content?.LaTeX));
}
public void MathInputButtonPlaceholderColorsAreOverridableForDoublePlaceholders(MathKeyboardInput mathKeyboardInput)
{
var mathInputButton = new MathInputButton {
Input = mathKeyboardInput, PlaceholderActiveColor = Color.Black, PlaceholderRestingColor = Color.LightGray
};
Assert.Equal(Color.Black, mathInputButton.PlaceholderActiveColor);
Assert.Equal(Color.LightGray, mathInputButton.PlaceholderRestingColor);
TestTwoButtonDisplayPlaceholders(mathInputButton, @"\color{#FF000000}{😀}", @"\color{#FFD3D3D3}{😐}");
}
public void MathInputButtonPlaceholderColorsAreOverridableForSinglePlaceholder(MathKeyboardInput mathKeyboardInput)
{
var mathInputButton = new MathInputButton {
Input = mathKeyboardInput, PlaceholderActiveColor = Color.Red
};
Assert.Equal(Color.Red, mathInputButton.PlaceholderActiveColor);
Assert.Null(mathInputButton.PlaceholderRestingColor);
Assert.Contains(@"\color{#FFFF0000}{😀}", mathInputButton.Content.NotNull().LaTeX.NotNull());
}
public void MathInputButtonPlaceholdersAreSameAsEditorOutputByDefaultForDoublePlaceholders(MathKeyboardInput mathKeyboardInput)
{
var mathInputButton = new MathInputButton {
Input = mathKeyboardInput
};
Assert.Null(mathInputButton.PlaceholderActiveColor);
Assert.Null(mathInputButton.PlaceholderRestingColor);
TestTwoButtonDisplayPlaceholders(mathInputButton, @"\color{green}{😀}", @"\color{blue}{😐}");
}
public void MathInputButtonPlaceholdersAreSameAsEditorOutputByDefaultForSinglePlaceholder(MathKeyboardInput mathKeyboardInput)
{
var mathInputButton = new MathInputButton {
Input = mathKeyboardInput
};
Assert.Null(mathInputButton.PlaceholderActiveColor);
Assert.Null(mathInputButton.PlaceholderRestingColor);
Assert.Contains(@"\color{green}{😀}", mathInputButton.Content.NotNull().LaTeX.NotNull());
}
public void MathInputButtonTwoPlaceholdersWithSameNucleusColorsAreOverridable(MathKeyboardInput mathKeyboardInput)
{
LaTeXSettings.PlaceholderActiveNucleus = LaTeXSettings.PlaceholderRestingNucleus = "😀";
var mathInputButton = new MathInputButton {
Input = mathKeyboardInput, PlaceholderActiveColor = Color.Black, PlaceholderRestingColor = Color.LightGray
};
Assert.Equal(Color.Black, mathInputButton.PlaceholderActiveColor);
Assert.Equal(Color.LightGray, mathInputButton.PlaceholderRestingColor);
TestTwoButtonDisplayPlaceholders(mathInputButton, @"\color{#FF000000}{😀}", @"\color{#FFD3D3D3}{😀}");
}
public void MathInputButtonTwoPlaceholdersWithSameNucleusColorsSameAsEditorOutput(MathKeyboardInput mathKeyboardInput)
{
LaTeXSettings.PlaceholderActiveNucleus = LaTeXSettings.PlaceholderRestingNucleus = "■";
var mathInputButton = new MathInputButton {
Input = mathKeyboardInput
};
Assert.Null(mathInputButton.PlaceholderActiveColor);
Assert.Null(mathInputButton.PlaceholderRestingColor);
TestTwoButtonDisplayPlaceholders(mathInputButton, @"\color{green}{■}", @"\color{blue}{■}");
}
public void MathInputButtonsHaveBlackTextColorByDefault(MathKeyboardInput mathKeyboardInput)
{
var mathInputButton = new MathInputButton {
Input = mathKeyboardInput
};
// At the time of writing this test, phatom = @"{\color{#00FFFFFF}{|}}" (Xamarin.Forms.Color.Transparent = "#00FFFFFF") is used as there is no \phantom command yet.
// As soon as \phantom has been implemented, the call .Replace(LatexHelper.phantom, "") can be removed.
Assert.DoesNotContain(@"\color", mathInputButton.Content.NotNull().LaTeX.NotNull().Replace(LatexHelper.phantom, ""));
Assert.Equal(Color.Black, mathInputButton.TextColor);
}
public void MathInputButtonTextColorCanChangeMultipleTimes()
{
var mathInputButton = new MathInputButton {
Input = MathKeyboardInput.Fraction
};
Assert.True(mathInputButton.ImageSourceEquals("files/buttons/MathInputButton_Fraction_Black.png"));
mathInputButton.TextColor = Color.Blue;
Assert.True(mathInputButton.ImageSourceEquals("files/buttons/MathInputButton_Fraction_Blue.png"));
mathInputButton.TextColor = Color.Black;
Assert.True(mathInputButton.ImageSourceEquals("files/buttons/MathInputButton_Fraction_Black.png"));
}
public void SameNucleusPlaceholders_MathInputButtonPlaceholderWithSinglePlaceholderIsActive(MathKeyboardInput mathKeyboardInput)
{
LaTeXSettings.PlaceholderActiveNucleus = LaTeXSettings.PlaceholderRestingNucleus = "■";
var mathInputButton = new MathInputButton {
Input = mathKeyboardInput
};
Assert.Null(mathInputButton.PlaceholderActiveColor);
Assert.Null(mathInputButton.PlaceholderRestingColor);
var latex = mathInputButton.Content.NotNull().LaTeX.NotNull();
Assert.Contains(@"\color{green}{■}", latex);
Assert.DoesNotContain(@"\color{blue}", latex);
}
public void MathInputButton_Command(MathKeyboardInput mathKeyboardInput)
{
var mathKeyboardClassThatProcessesKeyPresses = new MathKeyboard();
var mathInputButton = new MathInputButton {
Input = mathKeyboardInput, Keyboard = mathKeyboardClassThatProcessesKeyPresses
};
mathInputButton.Command.Execute(null); // Simulate a MathInputButton key press
Assert.Equal(expectedResult(), mathKeyboardClassThatProcessesKeyPresses.LaTeX);
string expectedResult()
{
var kb = new MathKeyboard();
kb.KeyPress(mathKeyboardInput);
return(kb.LaTeX);
}
}
void TestTwoButtonDisplayPlaceholders(MathInputButton mathInputButton, string expectedColoredActivePlaceholder, string expectedColoredRestingPlaceholder)
{
var mathInputButtonLatex = mathInputButton.Content.NotNull().LaTeX.NotNull();
Assert.Contains(expectedColoredActivePlaceholder, mathInputButtonLatex);
Assert.Contains(expectedColoredRestingPlaceholder, mathInputButtonLatex);
var activeNucleusIndex = mathInputButtonLatex.IndexOf(expectedColoredActivePlaceholder);
var restingNucleusIndex = mathInputButtonLatex.IndexOf(expectedColoredRestingPlaceholder);
if (mathInputButton.Input == MathKeyboardInput.Power || mathInputButton.Input == MathKeyboardInput.Subscript)
{
Assert.True(restingNucleusIndex < activeNucleusIndex);
}
else
{
Assert.True(activeNucleusIndex < restingNucleusIndex);
}
}
