fn testUtf8ValidCodepoint() !void
fn testUtf8ValidCodepoint() !void { try testing.expect(utf8ValidCodepoint('e')); try testing.expect(utf8ValidCodepoint('ë')); try testing.expect(utf8ValidCodepoint('は')); try testing.expect(utf8ValidCodepoint(0xe000)); try testing.expect(utf8ValidCodepoint(0x10ffff)); try testing.expect(!utf8ValidCodepoint(0xd800)); try testing.expect(!utf8ValidCodepoint(0xdfff)); try testing.expect(!utf8ValidCodepoint(0x110000)); }