// Copyright (c) 2020 Stu Small // // Licensed under the Apache License, Version 2.0 // or the MIT // license , at your // option. All files in the project carrying such notice may not be copied, // modified, or distributed except according to those terms. extern crate murmur3; use std::io::{Cursor, Read}; struct Result { string: &'static str, hash_32: u32, hash_128_x86: [u8; 16], hash_128_x64: [u8; 16], } #[test] fn test_static_strings() { let tests = [ Result { string: "Lorem ipsum dolor sit amet, consectetur adipisicing \ elit", hash_32: 0x3bf7e870, hash_128_x86: [ 0xAB, 0x53, 0x3F, 0x57, 0xAD, 0x3B, 0xBA, 0x56, 0xFE, 0xA4, 0x9F, 0x73, 0x48, 0x88, 0x91, 0x10, ], hash_128_x64: [ 0x6F, 0x5C, 0xB0, 0x2C, 0xFD, 0x5E, 0xDC, 0x6F, 0xE6, 0x9D, 0xF0, 0xFF, 0x60, 0x41, 0x70, 0x46, ], }, Result { string: "Hello, world!", hash_32: 0xc0363e43, hash_128_x86: [ 0xA7, 0xDB, 0xAC, 0x26, 0xFC, 0x8D, 0x63, 0xF0, 0x63, 0x42, 0x2B, 0x40, 0xC3, 0xD4, 0xFD, 0x0A, ], hash_128_x64: [ 0xDF, 0x65, 0xD6, 0xD2, 0xD1, 0x2D, 0x51, 0xF1, 0x64, 0xC5, 0xF3, 0xA8, 0x50, 0x66, 0x32, 0x2C, ], }, Result { string: "", hash_32: 0000000000, hash_128_x86: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ], hash_128_x64: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ], }, Result { string: "1", hash_32: 0x9416ac93, hash_128_x86: [ 0xFB, 0xF4, 0xF2, 0xE0, 0xD5, 0xB1, 0x6B, 0xD9, 0xD5, 0xB1, 0x6B, 0xD9, 0xD5, 0xB1, 0x6B, 0xD9, ], hash_128_x64: [ 0x71, 0x7C, 0x7B, 0x8A, 0xFE, 0xBB, 0xFB, 0x71, 0x37, 0xF6, 0xF0, 0xF9, 0x9B, 0xEB, 0x2A, 0x94, ], }, Result { string: "12", hash_32: 0xf9d2ef15, hash_128_x86: [ 0x9F, 0x1F, 0x9B, 0xC0, 0x1E, 0x49, 0x4F, 0xAF, 0x1E, 0x49, 0x4F, 0xAF, 0x1E, 0x49, 0x4F, 0xAF, ], hash_128_x64: [ 0x95, 0xFD, 0xE3, 0x09, 0x62, 0x3C, 0x53, 0x4A, 0x1D, 0x31, 0x0B, 0x5E, 0x69, 0x2C, 0xC7, 0x88, ], }, Result { string: "123", hash_32: 0x9eb471eb, hash_128_x86: [ 0x2F, 0x2B, 0x4D, 0x51, 0x08, 0x6F, 0x40, 0x7B, 0x08, 0x6F, 0x40, 0x7B, 0x08, 0x6F, 0x40, 0x7B, ], hash_128_x64: [ 0x6A, 0x7F, 0x66, 0x0D, 0x1B, 0x2D, 0x5B, 0x98, 0x69, 0xCF, 0x0E, 0xCE, 0xE3, 0xA1, 0x7E, 0x42, ], }, Result { string: "1234", hash_32: 0x721c5dc3, hash_128_x86: [ 0x4D, 0x64, 0xDF, 0x4A, 0xCE, 0x32, 0xAA, 0x2E, 0xCE, 0x32, 0xAA, 0x2E, 0xCE, 0x32, 0xAA, 0x2E, ], hash_128_x64: [ 0xB4, 0xE7, 0x8F, 0x21, 0x4D, 0x36, 0x97, 0x08, 0xA5, 0xFD, 0x37, 0x24, 0xD9, 0x8B, 0x1E, 0x34, ], }, Result { string: "12345", hash_32: 0x13a51193, hash_128_x86: [ 0x7C, 0xF8, 0x48, 0xD0, 0x30, 0xD9, 0x59, 0x0A, 0x94, 0xED, 0x4F, 0xD4, 0x94, 0xED, 0x4F, 0xD4, ], hash_128_x64: [ 0xCB, 0xDF, 0x21, 0x6B, 0x17, 0x3A, 0xF8, 0x20, 0xF4, 0xA9, 0x5C, 0x32, 0x41, 0x5C, 0x3C, 0xF1, ], }, Result { string: "123456", hash_32: 0xbf60eab8, hash_128_x86: [ 0xB9, 0xF9, 0x06, 0x7D, 0xBF, 0x7E, 0xEB, 0x69, 0xED, 0xEF, 0x32, 0x88, 0xED, 0xEF, 0x32, 0x88, ], hash_128_x64: [ 0xD6, 0xD0, 0xBB, 0x0B, 0x05, 0xCF, 0x17, 0xE4, 0xFE, 0x31, 0x25, 0x00, 0x91, 0x80, 0xA4, 0x51, ], }, Result { string: "1234567", hash_32: 0xb7ef82f7, hash_128_x86: [ 0x71, 0xFE, 0x6B, 0x74, 0x54, 0x40, 0xC1, 0xEA, 0x92, 0xB3, 0x83, 0x8C, 0x92, 0xB3, 0x83, 0x8C, ], hash_128_x64: [ 0xA2, 0x23, 0xC6, 0xF2, 0xF7, 0xC5, 0xDA, 0x2C, 0x55, 0xD9, 0xE1, 0xCA, 0x8B, 0x51, 0xDC, 0x37, ], }, Result { string: "12345678", hash_32: 0x91b313ce, hash_128_x86: [ 0x93, 0xD3, 0xAD, 0x65, 0x87, 0x73, 0x0B, 0x56, 0x3A, 0xEE, 0xC8, 0x6A, 0x3A, 0xEE, 0xC8, 0x6A, ], hash_128_x64: [ 0x9C, 0x41, 0xB1, 0x38, 0x06, 0x64, 0x4A, 0x3B, 0x57, 0x25, 0xD4, 0x6B, 0x67, 0x0E, 0x3B, 0x91, ], }, Result { string: "123456789", hash_32: 0xb4fef382, hash_128_x86: [ 0xBB, 0x76, 0x58, 0xC6, 0x52, 0x15, 0x9A, 0x11, 0xD7, 0xE5, 0xE3, 0xC5, 0xA4, 0x8C, 0x16, 0xA9, ], hash_128_x64: [ 0xA4, 0xCC, 0x66, 0xDB, 0x5E, 0x64, 0x84, 0x3C, 0x05, 0xA1, 0x1E, 0x3A, 0xC7, 0xFA, 0xF8, 0x99, ], }, Result { string: "1234567890", hash_32: 0x3204634d, hash_128_x86: [ 0x34, 0x0E, 0xAD, 0x47, 0x37, 0xA5, 0x10, 0x92, 0xAB, 0x4F, 0x1A, 0xE5, 0x40, 0xDA, 0xE7, 0xAB, ], hash_128_x64: [ 0x0A, 0x87, 0x79, 0x80, 0xE6, 0x4A, 0xFA, 0xEC, 0x2B, 0xD2, 0xEB, 0x20, 0xC8, 0x17, 0xD0, 0xC1, ], }, Result { string: "12345678901", hash_32: 0x3ca173d0, hash_128_x86: [ 0xE7, 0xA8, 0xB1, 0x1F, 0x7D, 0x7F, 0xCD, 0xFD, 0x1F, 0x44, 0xB5, 0x93, 0x8F, 0x0A, 0x14, 0x04, ], hash_128_x64: [ 0xD3, 0x27, 0xB3, 0x85, 0x13, 0xFB, 0x84, 0x2A, 0xC1, 0xDF, 0xE0, 0x7D, 0x85, 0x95, 0xEB, 0xDA, ], }, Result { string: "123456789012", hash_32: 0x6c75e419, hash_128_x86: [ 0x99, 0x7E, 0x6F, 0x80, 0x1C, 0x4F, 0x20, 0x74, 0xCB, 0x0E, 0x11, 0xFB, 0xF1, 0xE4, 0x3F, 0x41, ], hash_128_x64: [ 0x14, 0x29, 0x02, 0x7C, 0x8B, 0xE3, 0xA6, 0xDD, 0x1E, 0x9D, 0x71, 0xFD, 0x83, 0x39, 0xA2, 0x75, ], }, Result { string: "1234567890123", hash_32: 0xcaf7e549, hash_128_x86: [ 0x83, 0xA6, 0x21, 0xBE, 0xBB, 0x3E, 0xF4, 0x38, 0x22, 0xC8, 0x85, 0x19, 0x3D, 0x7D, 0xED, 0xBB, ], hash_128_x64: [ 0x49, 0xDF, 0x72, 0x37, 0x85, 0xF2, 0xDD, 0xE3, 0x97, 0x24, 0xEF, 0x5E, 0xF0, 0x21, 0xC5, 0x1B, ], }, Result { string: "12345678901234", hash_32: 0x57ae5bd1, hash_128_x86: [ 0xD8, 0xC7, 0x1E, 0x23, 0x6A, 0x9B, 0x8D, 0xAC, 0x8D, 0xC4, 0xA2, 0xA0, 0x96, 0xAF, 0x97, 0x3F, ], hash_128_x64: [ 0x91, 0xCC, 0x3C, 0xE8, 0x70, 0xE1, 0x51, 0x7D, 0xD0, 0x5A, 0xF8, 0xFA, 0xBE, 0x6C, 0x3D, 0xC6, ], }, Result { string: "123456789012345", hash_32: 0x09bb660c, hash_128_x86: [ 0x78, 0x0A, 0x91, 0x78, 0x23, 0xC9, 0x84, 0xD4, 0x03, 0xF9, 0x0A, 0xC3, 0xDB, 0x30, 0x55, 0x12, ], hash_128_x64: [ 0xD6, 0xCF, 0xAF, 0xA2, 0xAE, 0x01, 0x70, 0x88, 0xB3, 0x01, 0x08, 0x4F, 0x36, 0x26, 0xC3, 0x1E, ], }, Result { string: "1234567890123456", hash_32: 0x06b2ff24, hash_128_x86: [ 0xB8, 0xDF, 0x3D, 0x20, 0x83, 0x3D, 0xF4, 0x19, 0x4C, 0xB4, 0x40, 0x3F, 0xBD, 0xA0, 0xD7, 0xD2, ], hash_128_x64: [ 0xF8, 0x2C, 0xE3, 0xC0, 0xC5, 0x5D, 0xBE, 0x4F, 0xC1, 0x22, 0xC3, 0x60, 0x6B, 0xE9, 0xC8, 0xC0, ], }, Result { string: "12345678901234567", hash_32: 0xc50a5d2b, hash_128_x86: [ 0x6F, 0x8B, 0x41, 0x43, 0x9E, 0x40, 0xE2, 0x6C, 0x42, 0x31, 0x9E, 0x9D, 0x7C, 0x80, 0x9A, 0x40, ], hash_128_x64: [ 0x7E, 0xB7, 0x26, 0x80, 0x96, 0x17, 0x86, 0x74, 0x03, 0x71, 0x3F, 0x47, 0x86, 0x63, 0x1E, 0x29, ], }, Result { string: "123456789012345678", hash_32: 0xe970a44f, hash_128_x86: [ 0xC6, 0x05, 0xE9, 0x5C, 0x08, 0xD2, 0x0D, 0x92, 0x89, 0x2C, 0x38, 0x68, 0x3F, 0x8A, 0x96, 0x4F, ], hash_128_x64: [ 0xAF, 0x61, 0xA9, 0xCF, 0x1C, 0xE5, 0xEA, 0xEA, 0x69, 0x04, 0xCC, 0x52, 0x7D, 0x65, 0x4C, 0x75, ], }, Result { string: "1234567890123456789", hash_32: 0xf7c5400e, hash_128_x86: [ 0x7C, 0x88, 0x97, 0x5A, 0xA2, 0xCE, 0x7F, 0x0C, 0xD8, 0xE6, 0xA2, 0x29, 0xE0, 0x61, 0x05, 0x26, ], hash_128_x64: [ 0x59, 0x99, 0x47, 0x0A, 0xBA, 0x2F, 0x72, 0x0C, 0x2A, 0x8A, 0x21, 0x12, 0x69, 0xCD, 0xBB, 0x4E, ], }, Result { string: "12345678901234567890", hash_32: 0x45e28067, hash_128_x86: [ 0xE1, 0x93, 0x21, 0x22, 0x7E, 0xAA, 0x15, 0x07, 0xA6, 0x22, 0x87, 0xCD, 0x54, 0x55, 0x9E, 0x1E, ], hash_128_x64: [ 0x3A, 0x8C, 0xDC, 0x25, 0x19, 0xD8, 0x1C, 0xB1, 0x7D, 0x36, 0xF1, 0xE8, 0x3C, 0x60, 0x9F, 0x71, ], }, Result { string: "123456789012345678901", hash_32: 0x7b4f3da6, hash_128_x86: [ 0xE3, 0x50, 0x2D, 0xFB, 0x0F, 0x03, 0x6F, 0x39, 0xA3, 0x83, 0x11, 0xEA, 0x5E, 0xB6, 0x85, 0x9A, ], hash_128_x64: [ 0x55, 0x68, 0xEE, 0x16, 0x3C, 0xF2, 0xD7, 0xA2, 0xD3, 0x3D, 0xF5, 0xA5, 0x02, 0x37, 0xE6, 0xFE, ], }, Result { string: "1234567890123456789010", hash_32: 0x1e4a77ff, hash_128_x86: [ 0xFE, 0x78, 0x3B, 0x50, 0x3D, 0x5A, 0x45, 0x33, 0xA7, 0xCB, 0x0F, 0x53, 0xB9, 0xF0, 0xAB, 0x36, ], hash_128_x64: [ 0x76, 0x70, 0x7E, 0xAE, 0xC7, 0x8B, 0x20, 0x37, 0xAF, 0xB8, 0xAB, 0x7A, 0x58, 0x79, 0xA9, 0xEF, ], }, Result { string: "€", hash_32: 0x5b43fca5, hash_128_x86: [ 0x4C, 0xF5, 0x4D, 0xC, 0x9F, 0x57, 0x9A, 0xBA, 0x9F, 0x57, 0x9A, 0xBA, 0x9F, 0x57, 0x9A, 0xBA, ], hash_128_x64: [ 0x55, 0x95, 0xDD, 0x2F, 0x3A, 0x30, 0xE3, 0x59, 0x64, 0x31, 0xBC, 0xE4, 0xB3, 0x8B, 0x9D, 0x4F, ], }, Result { string: "€€€€€€€€€€", hash_32: 0xda3c1253, hash_128_x86: [ 0xE5, 0xBB, 0xF1, 0xB2, 0x53, 0xDC, 0xB5, 0x92, 0x78, 0x4E, 0x71, 0xDE, 0x44, 0x38, 0x31, 0xC5, ], hash_128_x64: [ 0x6F, 0xEF, 0x5E, 0x37, 0x77, 0xEB, 0xCF, 0xCE, 0xC6, 0xE2, 0x69, 0x68, 0xC2, 0xB, 0x83, 0xE9, ], }, ]; fn str_as_cursor(string: &str) -> Cursor<&[u8]> { Cursor::new(string.as_bytes()) } fn str_as_chained_cursor(string: &'static str) -> impl Read { let string = string.as_bytes(); let mut result: Box = Box::new(Cursor::new("".as_bytes())); for i in 0..string.len() { result = Box::new(result.chain(Cursor::new(&string[i..i + 1]))); } result } for test in &tests { assert_eq!( murmur3::murmur3_32(&mut str_as_cursor(test.string), 0).unwrap(), test.hash_32, "Failed 32 on string {}", test.string ); let mut string = String::new(); str_as_chained_cursor(test.string) .read_to_string(&mut string) .unwrap(); assert_eq!( murmur3::murmur3_32(&mut str_as_chained_cursor(test.string), 0).unwrap(), test.hash_32, "Failed 32 chained reader on string {}, reader value {}", test.string, string ); let expected = u128::from_le_bytes(test.hash_128_x86); let hash = murmur3::murmur3_x86_128(&mut str_as_cursor(test.string), 0).unwrap(); assert_eq!(hash, expected, "Failed x86_128 on string {}", test.string); let chained_hash = murmur3::murmur3_x86_128(&mut str_as_chained_cursor(test.string), 0).unwrap(); assert_eq!( chained_hash, expected, "Failed x86_128 chained reader on string {}", test.string ); let expected = u128::from_le_bytes(test.hash_128_x64); let hash = murmur3::murmur3_x64_128(&mut str_as_cursor(test.string), 0).unwrap(); assert_eq!(hash, expected, "Failed on string {}", test.string); let chained_hash = murmur3::murmur3_x64_128(&mut str_as_chained_cursor(test.string), 0).unwrap(); assert_eq!( chained_hash, expected, "Failed x64_128 chained reader on string {}", test.string ); } }