public async Task ReadLineAsync_TypesCJKTextInNarrowWindow_Wraps()
{
// prompt takes up 2 characters, with 3 full-width characters: 2 + 2*3 = 8
var console = ConsoleStub.NewConsole(width: 8);
// final character should wrap to next line.
console.StubInput($"书桌上有{Enter}");
var prompt = new Prompt(console: console);
var result = await prompt.ReadLineAsync();
var output = console.GetAllOutput();
Assert.Equal("书桌上有", result.Text);
Assert.Equal("> ", output[1]);
Assert.Equal("书", output[2]);
Assert.Equal("桌", output[3]);
Assert.Equal("上\n" + AnsiEscapeCodes.MoveCursorLeft(5), output[4]);
Assert.Equal("有", output[5]);
}
public static void Write(this IConsole console, FormattedString value)
{
if (!PromptConfiguration.HasUserOptedOutFromColor &&
value.FormatSpans.Count > 0)
{
var lastFormatting = ConsoleFormat.None;
console.Write(AnsiEscapeCodes.Reset);
foreach (var(element, formatting) in value.EnumerateTextElements())
{
if (lastFormatting != formatting)
{
console.Write(AnsiEscapeCodes.Reset);
console.Write(AnsiEscapeCodes.ToAnsiEscapeSequence(formatting));
lastFormatting = formatting;
}
console.Write(element);
}
console.Write(AnsiEscapeCodes.Reset);
}
else
{
console.Write(value.Text);
}
}
