rust/src/libcoretest/str.rs
Alex Crichton 7d8d06f86b Remove deprecated functionality
This removes a large array of deprecated functionality, regardless of how
recently it was deprecated. The purpose of this commit is to clean out the
standard libraries and compiler for the upcoming alpha release.

Some notable compiler changes were to enable warnings for all now-deprecated
command line arguments (previously the deprecated versions were silently
accepted) as well as removing deriving(Zero) entirely (the trait was removed).

The distribution no longer contains the libtime or libregex_macros crates. Both
of these have been deprecated for some time and are available externally.
2015-01-03 23:43:57 -08:00

123 lines
4.4 KiB
Rust

// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#[test]
fn test_bool_from_str() {
assert_eq!("true".parse(), Some(true));
assert_eq!("false".parse(), Some(false));
assert_eq!("not even a boolean".parse::<bool>(), None);
}
fn check_contains_all_substrings(s: &str) {
assert!(s.contains(""));
for i in range(0, s.len()) {
for j in range(i+1, s.len() + 1) {
assert!(s.contains(s.slice(i, j)));
}
}
}
#[test]
fn strslice_issue_16589() {
assert!("bananas".contains("nana"));
// prior to the fix for #16589, x.contains("abcdabcd") returned false
// test all substrings for good measure
check_contains_all_substrings("012345678901234567890123456789bcdabcdabcd");
}
#[test]
fn strslice_issue_16878() {
assert!(!"1234567ah012345678901ah".contains("hah"));
assert!(!"00abc01234567890123456789abc".contains("bcabc"));
}
#[test]
fn test_strslice_contains() {
let x = "There are moments, Jeeves, when one asks oneself, 'Do trousers matter?'";
check_contains_all_substrings(x);
}
#[test]
fn test_rsplitn_char_iterator() {
let data = "\nMäry häd ä little lämb\nLittle lämb\n";
let mut split: Vec<&str> = data.rsplitn(3, ' ').collect();
split.reverse();
assert_eq!(split, vec!["\nMäry häd ä", "little", "lämb\nLittle", "lämb\n"]);
let mut split: Vec<&str> = data.rsplitn(3, |&: c: char| c == ' ').collect();
split.reverse();
assert_eq!(split, vec!["\nMäry häd ä", "little", "lämb\nLittle", "lämb\n"]);
// Unicode
let mut split: Vec<&str> = data.rsplitn(3, 'ä').collect();
split.reverse();
assert_eq!(split, vec!["\nMäry häd ", " little l", "mb\nLittle l", "mb\n"]);
let mut split: Vec<&str> = data.rsplitn(3, |&: c: char| c == 'ä').collect();
split.reverse();
assert_eq!(split, vec!["\nMäry häd ", " little l", "mb\nLittle l", "mb\n"]);
}
#[test]
fn test_split_char_iterator() {
let data = "\nMäry häd ä little lämb\nLittle lämb\n";
let split: Vec<&str> = data.split(' ').collect();
assert_eq!( split, vec!["\nMäry", "häd", "ä", "little", "lämb\nLittle", "lämb\n"]);
let mut rsplit: Vec<&str> = data.split(' ').rev().collect();
rsplit.reverse();
assert_eq!(rsplit, vec!["\nMäry", "häd", "ä", "little", "lämb\nLittle", "lämb\n"]);
let split: Vec<&str> = data.split(|&: c: char| c == ' ').collect();
assert_eq!( split, vec!["\nMäry", "häd", "ä", "little", "lämb\nLittle", "lämb\n"]);
let mut rsplit: Vec<&str> = data.split(|&: c: char| c == ' ').rev().collect();
rsplit.reverse();
assert_eq!(rsplit, vec!["\nMäry", "häd", "ä", "little", "lämb\nLittle", "lämb\n"]);
// Unicode
let split: Vec<&str> = data.split('ä').collect();
assert_eq!( split, vec!["\nM", "ry h", "d ", " little l", "mb\nLittle l", "mb\n"]);
let mut rsplit: Vec<&str> = data.split('ä').rev().collect();
rsplit.reverse();
assert_eq!(rsplit, vec!["\nM", "ry h", "d ", " little l", "mb\nLittle l", "mb\n"]);
let split: Vec<&str> = data.split(|&: c: char| c == 'ä').collect();
assert_eq!( split, vec!["\nM", "ry h", "d ", " little l", "mb\nLittle l", "mb\n"]);
let mut rsplit: Vec<&str> = data.split(|&: c: char| c == 'ä').rev().collect();
rsplit.reverse();
assert_eq!(rsplit, vec!["\nM", "ry h", "d ", " little l", "mb\nLittle l", "mb\n"]);
}
#[test]
fn test_rev_split_char_iterator_no_trailing() {
let data = "\nMäry häd ä little lämb\nLittle lämb\n";
let mut split: Vec<&str> = data.split('\n').rev().collect();
split.reverse();
assert_eq!(split, vec!["", "Märy häd ä little lämb", "Little lämb", ""]);
let mut split: Vec<&str> = data.split_terminator('\n').rev().collect();
split.reverse();
assert_eq!(split, vec!["", "Märy häd ä little lämb", "Little lämb"]);
}
#[test]
fn test_utf16_code_units() {
use unicode::str::Utf16Encoder;
assert_eq!(Utf16Encoder::new(vec!['é', '\u{1F4A9}'].into_iter()).collect::<Vec<u16>>(),
vec![0xE9, 0xD83D, 0xDCA9])
}