public void WhenFontFamilyIsWrong_ThenNextLargerFontThrowsArgumentException()
{
using (var font = new Font(FontFamily.GenericSerif, 10f, FontStyle.Regular))
{
Assert.Throws <ArgumentException>(
() => TerminalFont.NextLargerFont(font));
}
}
public void WhenFontFamilyIsOk_ThenNNextLargerFontThrowsArgumentException()
{
using (var font = new Font(TerminalFont.FontFamily, 10f, FontStyle.Regular))
{
using (var smallerFont = TerminalFont.NextLargerFont(font))
{
Assert.AreEqual(smallerFont.Size, font.Size + 1);
}
}
}
public void WhenMaxSizeReached_NextLargerFontKeepsSize()
{
var font = new TerminalFont(TerminalFont.DefaultFontFamily, 40f);
for (int i = 0; i < 10; i++)
{
font = font.NextLargerFont();
}
Assert.AreEqual(TerminalFont.MaximumSize, font.Font.Size);
}