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use prelude::*;
cfg_if! {
if #[cfg(feature = "std")] {
use std::fmt;
use std::str;
} else {
use core::fmt;
use core::str;
}
}
impl fmt::Display for Uuid {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt::LowerHex::fmt(self, f)
}
}
impl fmt::Display for UuidVariant {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
UuidVariant::NCS => write!(f, "NCS"),
UuidVariant::RFC4122 => write!(f, "RFC4122"),
UuidVariant::Microsoft => write!(f, "Microsoft"),
UuidVariant::Future => write!(f, "Future"),
}
}
}
impl fmt::LowerHex for Uuid {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
<super::Hyphenated as fmt::LowerHex>::fmt(&self.hyphenated(), f)
}
}
impl fmt::UpperHex for Uuid {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
<super::Hyphenated as fmt::UpperHex>::fmt(&self.hyphenated(), f)
}
}
impl str::FromStr for Uuid {
type Err = super::ParseError;
fn from_str(uuid_str: &str) -> Result<Uuid, super::ParseError> {
Uuid::parse_str(uuid_str)
}
}
impl Default for Uuid {
fn default() -> Self {
Uuid::nil()
}
}
#[cfg(test)]
mod tests {
extern crate std;
use self::std::prelude::v1::*;
use prelude::*;
use test_util;
macro_rules! check {
($buf:ident, $format:expr, $target:expr, $len:expr, $cond:expr) => {
$buf.clear();
write!($buf, $format, $target).unwrap();
assert!($buf.len() == $len);
assert!($buf.chars().all($cond), "{}", $buf);
};
}
#[test]
fn test_uuid_compare() {
let uuid1 = test_util::new();
let uuid2 = test_util::new2();
assert_eq!(uuid1, uuid1);
assert_eq!(uuid2, uuid2);
assert_ne!(uuid1, uuid2);
assert_ne!(uuid2, uuid1);
}
#[test]
fn test_uuid_default() {
let default_uuid = Uuid::default();
let nil_uuid = Uuid::nil();
assert_eq!(default_uuid, nil_uuid);
}
#[test]
fn test_uuid_display() {
use super::fmt::Write;
let uuid = test_util::new();
let s = uuid.to_string();
let mut buffer = String::new();
assert_eq!(s, uuid.hyphenated().to_string());
check!(buffer, "{}", uuid, 36, |c| c.is_lowercase()
|| c.is_digit(10)
|| c == '-');
}
#[test]
fn test_uuid_lowerhex() {
use super::fmt::Write;
let mut buffer = String::new();
let uuid = test_util::new();
check!(buffer, "{:x}", uuid, 36, |c| c.is_lowercase()
|| c.is_digit(10)
|| c == '-');
}
#[test]
fn test_uuid_operator_eq() {
let uuid1 = test_util::new();
let uuid1_dup = uuid1.clone();
let uuid2 = test_util::new2();
assert!(uuid1 == uuid1);
assert!(uuid1 == uuid1_dup);
assert!(uuid1_dup == uuid1);
assert!(uuid1 != uuid2);
assert!(uuid2 != uuid1);
assert!(uuid1_dup != uuid2);
assert!(uuid2 != uuid1_dup);
}
#[test]
fn test_uuid_to_string() {
use super::fmt::Write;
let uuid = test_util::new();
let s = uuid.to_string();
let mut buffer = String::new();
assert_eq!(s.len(), 36);
check!(buffer, "{}", s, 36, |c| c.is_lowercase()
|| c.is_digit(10)
|| c == '-');
}
#[test]
fn test_uuid_upperhex() {
use super::fmt::Write;
let mut buffer = String::new();
let uuid = test_util::new();
check!(buffer, "{:X}", uuid, 36, |c| c.is_uppercase()
|| c.is_digit(10)
|| c == '-');
}
}