v/vlib/builtin/utf8_test.v

100 lines
2.1 KiB
V
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

fn test_utf8_char_len() {
assert utf8_char_len(`a`) == 1
println(utf8_char_len(`a`))
s := 'п'
assert utf8_char_len(s[0]) == 2
}
fn test_utf8_wide_char() {
$if msvc {
// TODO: make this test pass msvc too
return
}
r := ``
s := ''
println('r: ${r}')
println('s: ${s}')
rstr := r.str()
println('rstr: ${rstr}')
assert utf8_char_len(r) == 1
assert utf8_char_len(s[0]) == 3
assert s == rstr
val := rstr.str
unsafe {
assert val[0].hex() == 'e2'
assert val[1].hex() == '9c'
assert val[2].hex() == '94'
}
}
fn test_to_wide_latin() {
s := 'abc 123'
w := s.to_wide()
unsafe {
assert w[0] == 97
assert w[1] == 98
assert w[2] == 99
assert w[3] == 32
assert w[4] == 49
assert w[5] == 50
assert w[6] == 51
assert w[7] == 0
}
}
fn test_to_wide_cyrillic() {
s := 'Проба'
w := s.to_wide()
unsafe {
assert w[0] == 1055
assert w[1] == 1088
assert w[2] == 1086
assert w[3] == 1073
assert w[4] == 1072
assert w[5] == 0
}
}
const little_serial_number = [u8(67), 0, 76, 0, 52, 0, 54, 0, 73, 0, 49, 0, 65, 0, 48, 0, 48, 0,
54, 0, 52, 0, 57, 0, 0, 0, 0]
const big_serial_number = [u8(0), 67, 0, 76, 0, 52, 0, 54, 0, 73, 0, 49, 0, 65, 0, 48, 0, 48, 0,
54, 0, 52, 0, 57, 0, 0, 0, 0]
const swide_serial_number = 'CL46I1A00649'
fn test_string_from_wide() {
$if little_endian {
z := unsafe { string_from_wide(little_serial_number.data) }
assert z == swide_serial_number
} $else {
z := unsafe { string_from_wide(big_serial_number.data) }
assert z == swide_serial_number
}
}
fn test_string_from_wide2() {
$if little_endian {
z := unsafe { string_from_wide2(little_serial_number.data, 12) }
assert z == swide_serial_number
} $else {
z := unsafe { string_from_wide2(big_serial_number.data, 12) }
assert z == swide_serial_number
}
}
fn test_reverse_cyrillic_with_string_from_wide() {
s := 'Проба'
ws := s.to_wide()
z := unsafe { string_from_wide(ws) }
assert z == s
}
fn test_wide_to_ansi() {
ws := 'abc'.to_wide()
assert wide_to_ansi(ws) == [u8(97), 98, 99, 0]
}
fn test_string_to_ansi_not_null_terminated() {
assert string_to_ansi_not_null_terminated('abc') == [u8(97), 98, 99]
}