2013-04-20 15:54:13 -05:00
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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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2013-04-20 12:39:15 -05:00
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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2013-05-03 01:20:01 -05:00
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//! Operations on ASCII strings and characters.
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use to_str::{ToStr,ToStrConsume};
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use str;
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use str::StrSlice;
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use str::OwnedStr;
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use container::Container;
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use cast;
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use ptr;
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use iterator::Iterator;
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use vec::{CopyableVector, ImmutableVector};
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use to_bytes::IterBytes;
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use option::{Some, None};
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/// Datatype to hold one ascii character. It wraps a `u8`, with the highest bit always zero.
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#[deriving(Clone, Eq, Ord, TotalOrd, TotalEq)]
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pub struct Ascii { priv chr: u8 }
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impl Ascii {
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/// Converts a ascii character into a `u8`.
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#[inline]
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pub fn to_byte(self) -> u8 {
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self.chr
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}
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/// Converts a ascii character into a `char`.
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#[inline]
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pub fn to_char(self) -> char {
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self.chr as char
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}
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/// Convert to lowercase.
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#[inline]
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pub fn to_lower(self) -> Ascii {
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Ascii{chr: ASCII_LOWER_MAP[self.chr]}
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}
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/// Convert to uppercase.
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#[inline]
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pub fn to_upper(self) -> Ascii {
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Ascii{chr: ASCII_UPPER_MAP[self.chr]}
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}
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/// Compares two ascii characters of equality, ignoring case.
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#[inline]
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pub fn eq_ignore_case(self, other: Ascii) -> bool {
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ASCII_LOWER_MAP[self.chr] == ASCII_LOWER_MAP[other.chr]
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}
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}
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impl ToStr for Ascii {
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#[inline]
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fn to_str(&self) -> ~str {
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// self.chr is allways a valid utf8 byte, no need for the check
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unsafe { str::raw::from_byte(self.chr) }
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}
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}
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/// Trait for converting into an ascii type.
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pub trait AsciiCast<T> {
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/// Convert to an ascii type
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fn to_ascii(&self) -> T;
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/// Convert to an ascii type, not doing any range asserts
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unsafe fn to_ascii_nocheck(&self) -> T;
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/// Check if convertible to ascii
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fn is_ascii(&self) -> bool;
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}
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impl<'self> AsciiCast<&'self[Ascii]> for &'self [u8] {
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#[inline]
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fn to_ascii(&self) -> &'self[Ascii] {
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assert!(self.is_ascii());
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unsafe {self.to_ascii_nocheck()}
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}
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#[inline]
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unsafe fn to_ascii_nocheck(&self) -> &'self[Ascii] {
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cast::transmute(*self)
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}
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#[inline]
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fn is_ascii(&self) -> bool {
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for b in self.iter() {
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if !b.is_ascii() { return false; }
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}
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true
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}
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}
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impl<'self> AsciiCast<&'self [Ascii]> for &'self str {
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#[inline]
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fn to_ascii(&self) -> &'self [Ascii] {
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assert!(self.is_ascii());
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unsafe { self.to_ascii_nocheck() }
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}
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#[inline]
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unsafe fn to_ascii_nocheck(&self) -> &'self [Ascii] {
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cast::transmute(*self)
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}
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#[inline]
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fn is_ascii(&self) -> bool {
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self.byte_iter().all(|b| b.is_ascii())
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}
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}
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impl AsciiCast<Ascii> for u8 {
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#[inline]
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fn to_ascii(&self) -> Ascii {
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assert!(self.is_ascii());
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unsafe {self.to_ascii_nocheck()}
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}
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#[inline]
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unsafe fn to_ascii_nocheck(&self) -> Ascii {
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Ascii{ chr: *self }
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}
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#[inline]
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fn is_ascii(&self) -> bool {
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*self & 128 == 0u8
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}
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}
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impl AsciiCast<Ascii> for char {
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#[inline]
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fn to_ascii(&self) -> Ascii {
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assert!(self.is_ascii());
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unsafe {self.to_ascii_nocheck()}
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}
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#[inline]
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unsafe fn to_ascii_nocheck(&self) -> Ascii {
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Ascii{ chr: *self as u8 }
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}
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#[inline]
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fn is_ascii(&self) -> bool {
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*self as u32 - ('\x7F' as u32 & *self as u32) == 0
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}
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}
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/// Trait for copyless casting to an ascii vector.
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pub trait OwnedAsciiCast {
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/// Take ownership and cast to an ascii vector without trailing zero element.
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fn into_ascii(self) -> ~[Ascii];
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/// Take ownership and cast to an ascii vector without trailing zero element.
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/// Does not perform validation checks.
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unsafe fn into_ascii_nocheck(self) -> ~[Ascii];
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}
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impl OwnedAsciiCast for ~[u8] {
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#[inline]
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fn into_ascii(self) -> ~[Ascii] {
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assert!(self.is_ascii());
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unsafe {self.into_ascii_nocheck()}
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}
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#[inline]
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unsafe fn into_ascii_nocheck(self) -> ~[Ascii] {
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cast::transmute(self)
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}
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}
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impl OwnedAsciiCast for ~str {
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#[inline]
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fn into_ascii(self) -> ~[Ascii] {
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assert!(self.is_ascii());
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unsafe {self.into_ascii_nocheck()}
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}
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#[inline]
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unsafe fn into_ascii_nocheck(self) -> ~[Ascii] {
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cast::transmute(self)
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}
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}
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/// Trait for converting an ascii type to a string. Needed to convert `&[Ascii]` to `~str`
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pub trait AsciiStr {
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/// Convert to a string.
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fn to_str_ascii(&self) -> ~str;
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/// Convert to vector representing a lower cased ascii string.
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fn to_lower(&self) -> ~[Ascii];
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/// Convert to vector representing a upper cased ascii string.
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fn to_upper(&self) -> ~[Ascii];
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/// Compares two Ascii strings ignoring case
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fn eq_ignore_case(self, other: &[Ascii]) -> bool;
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}
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impl<'self> AsciiStr for &'self [Ascii] {
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#[inline]
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fn to_str_ascii(&self) -> ~str {
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let cpy = self.to_owned();
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unsafe { cast::transmute(cpy) }
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}
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#[inline]
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fn to_lower(&self) -> ~[Ascii] {
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self.map(|a| a.to_lower())
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}
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#[inline]
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fn to_upper(&self) -> ~[Ascii] {
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self.map(|a| a.to_upper())
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}
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#[inline]
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fn eq_ignore_case(self, other: &[Ascii]) -> bool {
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do self.iter().zip(other.iter()).all |(&a, &b)| { a.eq_ignore_case(b) }
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}
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}
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impl ToStrConsume for ~[Ascii] {
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#[inline]
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fn into_str(self) -> ~str {
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unsafe { cast::transmute(self) }
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}
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}
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impl IterBytes for Ascii {
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#[inline]
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fn iter_bytes(&self, _lsb0: bool, f: &fn(buf: &[u8]) -> bool) -> bool {
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f([self.to_byte()])
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}
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}
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/// Trait to convert to a owned byte array by consuming self
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pub trait ToBytesConsume {
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/// Converts to a owned byte array by consuming self
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fn into_bytes(self) -> ~[u8];
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}
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impl ToBytesConsume for ~[Ascii] {
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fn into_bytes(self) -> ~[u8] {
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unsafe { cast::transmute(self) }
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}
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}
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/// Extension methods for ASCII-subset only operations on strings
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pub trait StrAsciiExt {
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/// Convert the string to ASCII upper case:
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/// ASCII letters 'a' to 'z' are mapped to 'A' to 'Z',
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/// but non-ASCII letters are unchanged.
|
|
|
|
|
fn to_ascii_upper(&self) -> ~str;
|
|
|
|
|
|
|
|
|
|
/// Convert the string to ASCII lower case:
|
|
|
|
|
/// ASCII letters 'A' to 'Z' are mapped to 'a' to 'z',
|
|
|
|
|
/// but non-ASCII letters are unchanged.
|
|
|
|
|
fn to_ascii_lower(&self) -> ~str;
|
|
|
|
|
|
|
|
|
|
/// Check that two strings are an ASCII case-insensitive match.
|
|
|
|
|
/// Same as `to_ascii_lower(a) == to_ascii_lower(b)`,
|
|
|
|
|
/// but without allocating and copying temporary strings.
|
|
|
|
|
fn eq_ignore_ascii_case(&self, other: &str) -> bool;
|
2013-08-02 15:39:57 -05:00
|
|
|
|
}
|
|
|
|
|
|
2013-08-10 21:21:31 -05:00
|
|
|
|
impl<'self> StrAsciiExt for &'self str {
|
|
|
|
|
#[inline]
|
|
|
|
|
fn to_ascii_upper(&self) -> ~str {
|
|
|
|
|
map_bytes(*self, ASCII_UPPER_MAP)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[inline]
|
|
|
|
|
fn to_ascii_lower(&self) -> ~str {
|
|
|
|
|
map_bytes(*self, ASCII_LOWER_MAP)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[inline]
|
|
|
|
|
fn eq_ignore_ascii_case(&self, other: &str) -> bool {
|
|
|
|
|
self.len() == other.len() && self.as_bytes().iter().zip(other.as_bytes().iter()).all(
|
|
|
|
|
|(byte_self, byte_other)| ASCII_LOWER_MAP[*byte_self] == ASCII_LOWER_MAP[*byte_other])
|
|
|
|
|
}
|
2013-08-02 15:39:57 -05:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[inline]
|
2013-08-07 01:03:31 -05:00
|
|
|
|
fn map_bytes(string: &str, map: &'static [u8]) -> ~str {
|
2013-08-02 15:39:57 -05:00
|
|
|
|
let len = string.len();
|
|
|
|
|
let mut result = str::with_capacity(len);
|
|
|
|
|
unsafe {
|
|
|
|
|
do result.as_mut_buf |mut buf, _| {
|
|
|
|
|
for c in string.as_bytes().iter() {
|
|
|
|
|
*buf = map[*c];
|
|
|
|
|
buf = ptr::mut_offset(buf, 1)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
str::raw::set_len(&mut result, len);
|
|
|
|
|
}
|
|
|
|
|
result
|
|
|
|
|
}
|
|
|
|
|
|
2013-08-07 01:03:31 -05:00
|
|
|
|
static ASCII_LOWER_MAP: &'static [u8] = &[
|
2013-08-02 15:39:57 -05:00
|
|
|
|
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
|
|
|
|
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
|
|
|
|
|
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
|
|
|
|
|
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
|
|
|
|
|
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
|
|
|
|
|
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
|
|
|
|
|
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
|
|
|
|
|
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
|
|
|
|
|
0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
|
|
|
|
|
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
|
|
|
|
|
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
|
|
|
|
|
0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
|
|
|
|
|
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
|
|
|
|
|
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
|
|
|
|
|
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
|
|
|
|
|
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
|
|
|
|
|
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
|
|
|
|
|
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
|
|
|
|
|
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
|
|
|
|
|
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
|
|
|
|
|
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
|
|
|
|
|
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
|
|
|
|
|
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
|
|
|
|
|
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
|
|
|
|
|
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
|
|
|
|
|
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
|
|
|
|
|
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
|
|
|
|
|
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
|
|
|
|
|
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
|
|
|
|
|
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
|
|
|
|
|
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
|
|
|
|
|
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
|
|
|
|
|
];
|
|
|
|
|
|
2013-08-07 01:03:31 -05:00
|
|
|
|
static ASCII_UPPER_MAP: &'static [u8] = &[
|
2013-08-02 15:39:57 -05:00
|
|
|
|
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
|
|
|
|
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
|
|
|
|
|
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
|
|
|
|
|
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
|
|
|
|
|
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
|
|
|
|
|
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
|
|
|
|
|
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
|
|
|
|
|
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
|
|
|
|
|
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
|
|
|
|
|
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
|
|
|
|
|
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
|
|
|
|
|
0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
|
|
|
|
|
0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
|
|
|
|
|
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
|
|
|
|
|
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
|
|
|
|
|
0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
|
|
|
|
|
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
|
|
|
|
|
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
|
|
|
|
|
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
|
|
|
|
|
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
|
|
|
|
|
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
|
|
|
|
|
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
|
|
|
|
|
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
|
|
|
|
|
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
|
|
|
|
|
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
|
|
|
|
|
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
|
|
|
|
|
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
|
|
|
|
|
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
|
|
|
|
|
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
|
|
|
|
|
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
|
|
|
|
|
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
|
|
|
|
|
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
|
|
|
|
|
];
|
|
|
|
|
|
|
|
|
|
|
2013-04-23 18:38:49 -05:00
|
|
|
|
#[cfg(test)]
|
2013-04-20 12:39:15 -05:00
|
|
|
|
mod tests {
|
|
|
|
|
use super::*;
|
2013-08-02 15:39:57 -05:00
|
|
|
|
use str::from_char;
|
2013-09-03 18:24:12 -05:00
|
|
|
|
use char::from_u32;
|
2013-04-20 12:39:15 -05:00
|
|
|
|
|
|
|
|
|
macro_rules! v2ascii (
|
|
|
|
|
( [$($e:expr),*]) => ( [$(Ascii{chr:$e}),*]);
|
|
|
|
|
(~[$($e:expr),*]) => (~[$(Ascii{chr:$e}),*]);
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_ascii() {
|
|
|
|
|
assert_eq!(65u8.to_ascii().to_byte(), 65u8);
|
|
|
|
|
assert_eq!(65u8.to_ascii().to_char(), 'A');
|
|
|
|
|
assert_eq!('A'.to_ascii().to_char(), 'A');
|
|
|
|
|
assert_eq!('A'.to_ascii().to_byte(), 65u8);
|
2013-04-20 15:50:50 -05:00
|
|
|
|
|
2013-04-22 14:42:25 -05:00
|
|
|
|
assert_eq!('A'.to_ascii().to_lower().to_char(), 'a');
|
|
|
|
|
assert_eq!('Z'.to_ascii().to_lower().to_char(), 'z');
|
|
|
|
|
assert_eq!('a'.to_ascii().to_upper().to_char(), 'A');
|
|
|
|
|
assert_eq!('z'.to_ascii().to_upper().to_char(), 'Z');
|
2013-04-20 15:50:50 -05:00
|
|
|
|
|
2013-04-22 14:42:25 -05:00
|
|
|
|
assert_eq!('@'.to_ascii().to_lower().to_char(), '@');
|
|
|
|
|
assert_eq!('['.to_ascii().to_lower().to_char(), '[');
|
|
|
|
|
assert_eq!('`'.to_ascii().to_upper().to_char(), '`');
|
|
|
|
|
assert_eq!('{'.to_ascii().to_upper().to_char(), '{');
|
2013-04-23 04:08:13 -05:00
|
|
|
|
|
2013-06-09 09:34:23 -05:00
|
|
|
|
assert!("banana".iter().all(|c| c.is_ascii()));
|
|
|
|
|
assert!(!"ประเทศไทย中华Việt Nam".iter().all(|c| c.is_ascii()));
|
2013-04-20 12:39:15 -05:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_ascii_vec() {
|
|
|
|
|
assert_eq!((&[40u8, 32u8, 59u8]).to_ascii(), v2ascii!([40, 32, 59]));
|
|
|
|
|
assert_eq!("( ;".to_ascii(), v2ascii!([40, 32, 59]));
|
|
|
|
|
// FIXME: #5475 borrowchk error, owned vectors do not live long enough
|
|
|
|
|
// if chained-from directly
|
|
|
|
|
let v = ~[40u8, 32u8, 59u8]; assert_eq!(v.to_ascii(), v2ascii!([40, 32, 59]));
|
|
|
|
|
let v = ~"( ;"; assert_eq!(v.to_ascii(), v2ascii!([40, 32, 59]));
|
2013-04-22 14:42:25 -05:00
|
|
|
|
|
|
|
|
|
assert_eq!("abCDef&?#".to_ascii().to_lower().to_str_ascii(), ~"abcdef&?#");
|
|
|
|
|
assert_eq!("abCDef&?#".to_ascii().to_upper().to_str_ascii(), ~"ABCDEF&?#");
|
2013-04-23 04:08:13 -05:00
|
|
|
|
|
|
|
|
|
assert_eq!("".to_ascii().to_lower().to_str_ascii(), ~"");
|
|
|
|
|
assert_eq!("YMCA".to_ascii().to_lower().to_str_ascii(), ~"ymca");
|
|
|
|
|
assert_eq!("abcDEFxyz:.;".to_ascii().to_upper().to_str_ascii(), ~"ABCDEFXYZ:.;");
|
|
|
|
|
|
2013-06-16 04:04:53 -05:00
|
|
|
|
assert!("aBcDeF&?#".to_ascii().eq_ignore_case("AbCdEf&?#".to_ascii()));
|
|
|
|
|
|
2013-04-23 04:08:13 -05:00
|
|
|
|
assert!("".is_ascii());
|
|
|
|
|
assert!("a".is_ascii());
|
|
|
|
|
assert!(!"\u2009".is_ascii());
|
|
|
|
|
|
2013-04-20 12:39:15 -05:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_owned_ascii_vec() {
|
2013-06-16 04:04:53 -05:00
|
|
|
|
assert_eq!((~"( ;").into_ascii(), v2ascii!(~[40, 32, 59]));
|
|
|
|
|
assert_eq!((~[40u8, 32u8, 59u8]).into_ascii(), v2ascii!(~[40, 32, 59]));
|
2013-04-20 12:39:15 -05:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_ascii_to_str() { assert_eq!(v2ascii!([40, 32, 59]).to_str_ascii(), ~"( ;"); }
|
|
|
|
|
|
|
|
|
|
#[test]
|
2013-06-16 04:04:53 -05:00
|
|
|
|
fn test_ascii_into_str() {
|
|
|
|
|
assert_eq!(v2ascii!(~[40, 32, 59]).into_str(), ~"( ;");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_ascii_to_bytes() {
|
|
|
|
|
assert_eq!(v2ascii!(~[40, 32, 59]).into_bytes(), ~[40u8, 32u8, 59u8]);
|
2013-04-20 12:39:15 -05:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test] #[should_fail]
|
|
|
|
|
fn test_ascii_vec_fail_u8_slice() { (&[127u8, 128u8, 255u8]).to_ascii(); }
|
|
|
|
|
|
|
|
|
|
#[test] #[should_fail]
|
|
|
|
|
fn test_ascii_vec_fail_str_slice() { "zoä华".to_ascii(); }
|
|
|
|
|
|
|
|
|
|
#[test] #[should_fail]
|
|
|
|
|
fn test_ascii_fail_u8_slice() { 255u8.to_ascii(); }
|
|
|
|
|
|
|
|
|
|
#[test] #[should_fail]
|
|
|
|
|
fn test_ascii_fail_char_slice() { 'λ'.to_ascii(); }
|
2013-08-02 15:39:57 -05:00
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_to_ascii_upper() {
|
2013-08-10 21:21:31 -05:00
|
|
|
|
assert_eq!("url()URL()uRl()ürl".to_ascii_upper(), ~"URL()URL()URL()üRL");
|
|
|
|
|
assert_eq!("hıKß".to_ascii_upper(), ~"HıKß");
|
2013-08-02 15:39:57 -05:00
|
|
|
|
|
|
|
|
|
let mut i = 0;
|
|
|
|
|
while i <= 500 {
|
2013-09-03 18:24:12 -05:00
|
|
|
|
let upper = if 'a' as u32 <= i && i <= 'z' as u32 { i + 'A' as u32 - 'a' as u32 }
|
|
|
|
|
else { i };
|
|
|
|
|
assert_eq!(from_char(from_u32(i).unwrap()).to_ascii_upper(),
|
|
|
|
|
from_char(from_u32(upper).unwrap()))
|
2013-08-02 15:39:57 -05:00
|
|
|
|
i += 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_to_ascii_lower() {
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2013-08-10 21:21:31 -05:00
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assert_eq!("url()URL()uRl()Ürl".to_ascii_lower(), ~"url()url()url()Ürl");
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2013-08-02 15:39:57 -05:00
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// Dotted capital I, Kelvin sign, Sharp S.
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2013-08-10 21:21:31 -05:00
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assert_eq!("HİKß".to_ascii_lower(), ~"hİKß");
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2013-08-02 15:39:57 -05:00
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let mut i = 0;
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while i <= 500 {
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2013-09-03 18:24:12 -05:00
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let lower = if 'A' as u32 <= i && i <= 'Z' as u32 { i + 'a' as u32 - 'A' as u32 }
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else { i };
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assert_eq!(from_char(from_u32(i).unwrap()).to_ascii_lower(),
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from_char(from_u32(lower).unwrap()))
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2013-08-02 15:39:57 -05:00
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i += 1;
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}
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}
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#[test]
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fn test_eq_ignore_ascii_case() {
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2013-08-10 21:21:31 -05:00
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assert!("url()URL()uRl()Ürl".eq_ignore_ascii_case("url()url()url()Ürl"));
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assert!(!"Ürl".eq_ignore_ascii_case("ürl"));
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2013-08-02 15:39:57 -05:00
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// Dotted capital I, Kelvin sign, Sharp S.
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2013-08-10 21:21:31 -05:00
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assert!("HİKß".eq_ignore_ascii_case("hİKß"));
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assert!(!"İ".eq_ignore_ascii_case("i"));
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assert!(!"K".eq_ignore_ascii_case("k"));
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assert!(!"ß".eq_ignore_ascii_case("s"));
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2013-08-02 15:39:57 -05:00
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let mut i = 0;
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while i <= 500 {
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2013-09-03 18:24:12 -05:00
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let c = i;
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let lower = if 'A' as u32 <= c && c <= 'Z' as u32 { c + 'a' as u32 - 'A' as u32 }
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else { c };
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assert!(from_char(from_u32(i).unwrap()).
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eq_ignore_ascii_case(from_char(from_u32(lower).unwrap())));
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2013-08-02 15:39:57 -05:00
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i += 1;
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}
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}
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2013-09-03 20:04:36 -05:00
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#[test]
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fn test_to_str() {
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let s = Ascii{ chr: 't' as u8 }.to_str();
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assert_eq!(s, ~"t");
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}
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|
2013-04-20 12:39:15 -05:00
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}
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