vendor/generic-array-0.12.3/tests/hex.rs

   1 #[macro_use]
   2 extern crate generic_array;
   3 extern crate typenum;
   4
   5 use generic_array::GenericArray;
   6 use std::str::from_utf8;
   7 use typenum::U2048;
   8
   9 #[test]
  10 fn short_lower_hex() {
  11     let ar = arr![u8; 10, 20, 30];
  12     assert_eq!(format!("{:x}", ar), "0a141e");
  13 }
  14
  15 #[test]
  16 fn short_upper_hex() {
  17     let ar = arr![u8; 30, 20, 10];
  18     assert_eq!(format!("{:X}", ar), "1E140A");
  19 }
  20
  21 #[test]
  22 fn long_lower_hex() {
  23     let ar = GenericArray::<u8, U2048>::default();
  24     assert_eq!(format!("{:x}", ar), from_utf8(&[b'0'; 4096]).unwrap());
  25 }
  26
  27 #[test]
  28 fn long_lower_hex_truncated() {
  29     let ar = GenericArray::<u8, U2048>::default();
  30     assert_eq!(format!("{:.3001x}", ar), from_utf8(&[b'0'; 3001]).unwrap());
  31 }
  32
  33 #[test]
  34 fn long_upper_hex() {
  35     let ar = GenericArray::<u8, U2048>::default();
  36     assert_eq!(format!("{:X}", ar), from_utf8(&[b'0'; 4096]).unwrap());
  37 }
  38
  39 #[test]
  40 fn long_upper_hex_truncated() {
  41     let ar = GenericArray::<u8, U2048>::default();
  42     assert_eq!(format!("{:.2777X}", ar), from_utf8(&[b'0'; 2777]).unwrap());
  43 }
  44
  45 #[test]
  46 fn truncated_lower_hex() {
  47     let ar = arr![u8; 10, 20, 30, 40, 50];
  48     assert_eq!(format!("{:.2x}", ar), "0a");
  49     assert_eq!(format!("{:.3x}", ar), "0a1");
  50     assert_eq!(format!("{:.4x}", ar), "0a14");
  51 }
  52
  53 #[test]
  54 fn truncated_upper_hex() {
  55     let ar = arr![u8; 30, 20, 10, 17, 0];
  56     assert_eq!(format!("{:.4X}", ar), "1E14");
  57     assert_eq!(format!("{:.5X}", ar), "1E140");
  58     assert_eq!(format!("{:.6X}", ar), "1E140A");
  59     assert_eq!(format!("{:.7X}", ar), "1E140A1");
  60     assert_eq!(format!("{:.8X}", ar), "1E140A11");
  61 }