diff options
Diffstat (limited to 'rand/rand_pcg/tests/lcg64xsh32.rs')
-rw-r--r-- | rand/rand_pcg/tests/lcg64xsh32.rs | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/rand/rand_pcg/tests/lcg64xsh32.rs b/rand/rand_pcg/tests/lcg64xsh32.rs deleted file mode 100644 index e05bcc1..0000000 --- a/rand/rand_pcg/tests/lcg64xsh32.rs +++ /dev/null @@ -1,54 +0,0 @@ -use rand_core::{RngCore, SeedableRng}; -use rand_pcg::{Lcg64Xsh32, Pcg32}; - -#[test] -fn test_lcg64xsh32_construction() { - // Test that various construction techniques produce a working RNG. - let seed = [1,2,3,4, 5,6,7,8, 9,10,11,12, 13,14,15,16]; - let mut rng1 = Lcg64Xsh32::from_seed(seed); - assert_eq!(rng1.next_u64(), 1204678643940597513); - - let mut rng2 = Lcg64Xsh32::from_rng(&mut rng1).unwrap(); - assert_eq!(rng2.next_u64(), 12384929573776311845); - - let mut rng3 = Lcg64Xsh32::seed_from_u64(0); - assert_eq!(rng3.next_u64(), 18195738587432868099); - - // This is the same as Lcg64Xsh32, so we only have a single test: - let mut rng4 = Pcg32::seed_from_u64(0); - assert_eq!(rng4.next_u64(), 18195738587432868099); -} - -#[test] -fn test_lcg64xsh32_true_values() { - // Numbers copied from official test suite. - let mut rng = Lcg64Xsh32::new(42, 54); - - let mut results = [0u32; 6]; - for i in results.iter_mut() { *i = rng.next_u32(); } - let expected: [u32; 6] = [0xa15c02b7, 0x7b47f409, 0xba1d3330, - 0x83d2f293, 0xbfa4784b, 0xcbed606e]; - assert_eq!(results, expected); -} - -#[cfg(feature="serde1")] -#[test] -fn test_lcg64xsh32_serde() { - use bincode; - use std::io::{BufWriter, BufReader}; - - let mut rng = Lcg64Xsh32::seed_from_u64(0); - - let buf: Vec<u8> = Vec::new(); - let mut buf = BufWriter::new(buf); - bincode::serialize_into(&mut buf, &rng).expect("Could not serialize"); - - let buf = buf.into_inner().unwrap(); - let mut read = BufReader::new(&buf[..]); - let mut deserialized: Lcg64Xsh32 = bincode::deserialize_from(&mut read) - .expect("Could not deserialize"); - - for _ in 0..16 { - assert_eq!(rng.next_u64(), deserialized.next_u64()); - } -} |