public void EnsureAllPresent()
{
foreach (var entry in UnicodeUtil.CreateUnicodeRangeEntries().Where(e => e.Width == EastAsianWidth.Wide))
{
for (var codePoint = entry.Start; codePoint <= entry.Last; codePoint++)
{
Assert.True(UnicodeUtil.IsWide(codePoint));
}
}
}