diff options
Diffstat (limited to 'rand/rand_pcg/tests/lcg128xsl64.rs')
-rw-r--r-- | rand/rand_pcg/tests/lcg128xsl64.rs | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/rand/rand_pcg/tests/lcg128xsl64.rs b/rand/rand_pcg/tests/lcg128xsl64.rs deleted file mode 100644 index efc72ff..0000000 --- a/rand/rand_pcg/tests/lcg128xsl64.rs +++ /dev/null @@ -1,55 +0,0 @@ -use rand_core::{RngCore, SeedableRng}; -use rand_pcg::{Lcg128Xsl64, Pcg64}; - -#[test] -fn test_lcg128xsl64_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, - 17,18,19,20, 21,22,23,24, 25,26,27,28, 29,30,31,32]; - let mut rng1 = Lcg128Xsl64::from_seed(seed); - assert_eq!(rng1.next_u64(), 8740028313290271629); - - let mut rng2 = Lcg128Xsl64::from_rng(&mut rng1).unwrap(); - assert_eq!(rng2.next_u64(), 1922280315005786345); - - let mut rng3 = Lcg128Xsl64::seed_from_u64(0); - assert_eq!(rng3.next_u64(), 2354861276966075475); - - // This is the same as Lcg128Xsl64, so we only have a single test: - let mut rng4 = Pcg64::seed_from_u64(0); - assert_eq!(rng4.next_u64(), 2354861276966075475); -} - -#[test] -fn test_lcg128xsl64_true_values() { - // Numbers copied from official test suite (C version). - let mut rng = Lcg128Xsl64::new(42, 54); - - let mut results = [0u64; 6]; - for i in results.iter_mut() { *i = rng.next_u64(); } - let expected: [u64; 6] = [0x86b1da1d72062b68, 0x1304aa46c9853d39, - 0xa3670e9e0dd50358, 0xf9090e529a7dae00, 0xc85b9fd837996f2c, 0x606121f8e3919196]; - assert_eq!(results, expected); -} - -#[cfg(feature="serde1")] -#[test] -fn test_lcg128xsl64_serde() { - use bincode; - use std::io::{BufWriter, BufReader}; - - let mut rng = Lcg128Xsl64::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: Lcg128Xsl64 = bincode::deserialize_from(&mut read) - .expect("Could not deserialize"); - - for _ in 0..16 { - assert_eq!(rng.next_u64(), deserialized.next_u64()); - } -} |