mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-27 04:37:57 +00:00
thiolliere
89 lines
3.7 KiB
Rust
89 lines
3.7 KiB
Rust
// Copyright 2017-2018 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! A fixed hash type.
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pub use primitive_types::{H160, H256, H512};
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/// Hash conversion. Used to convert between unbound associated hash types in traits,
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/// implemented by the same hash type.
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/// Panics if used to convert between different hash types.
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pub fn convert_hash<H1: Default + AsMut<[u8]>, H2: AsRef<[u8]>>(src: &H2) -> H1 {
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let mut dest = H1::default();
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assert_eq!(dest.as_mut().len(), src.as_ref().len());
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dest.as_mut().copy_from_slice(src.as_ref());
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dest
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use substrate_serializer as ser;
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#[test]
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fn test_h160() {
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let tests = vec![
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(Default::default(), "0x0000000000000000000000000000000000000000"),
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(H160::from_low_u64_be(2), "0x0000000000000000000000000000000000000002"),
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(H160::from_low_u64_be(15), "0x000000000000000000000000000000000000000f"),
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(H160::from_low_u64_be(16), "0x0000000000000000000000000000000000000010"),
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(H160::from_low_u64_be(1_000), "0x00000000000000000000000000000000000003e8"),
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(H160::from_low_u64_be(100_000), "0x00000000000000000000000000000000000186a0"),
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(H160::from_low_u64_be(u64::max_value()), "0x000000000000000000000000ffffffffffffffff"),
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];
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for (number, expected) in tests {
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assert_eq!(format!("{:?}", expected), ser::to_string_pretty(&number));
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assert_eq!(number, ser::from_str(&format!("{:?}", expected)).unwrap());
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}
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}
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#[test]
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fn test_h256() {
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let tests = vec![
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(Default::default(), "0x0000000000000000000000000000000000000000000000000000000000000000"),
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(H256::from_low_u64_be(2), "0x0000000000000000000000000000000000000000000000000000000000000002"),
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(H256::from_low_u64_be(15), "0x000000000000000000000000000000000000000000000000000000000000000f"),
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(H256::from_low_u64_be(16), "0x0000000000000000000000000000000000000000000000000000000000000010"),
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(H256::from_low_u64_be(1_000), "0x00000000000000000000000000000000000000000000000000000000000003e8"),
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(H256::from_low_u64_be(100_000), "0x00000000000000000000000000000000000000000000000000000000000186a0"),
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(H256::from_low_u64_be(u64::max_value()), "0x000000000000000000000000000000000000000000000000ffffffffffffffff"),
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];
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for (number, expected) in tests {
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assert_eq!(format!("{:?}", expected), ser::to_string_pretty(&number));
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assert_eq!(number, ser::from_str(&format!("{:?}", expected)).unwrap());
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}
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}
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#[test]
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fn test_invalid() {
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assert!(ser::from_str::<H256>("\"0x000000000000000000000000000000000000000000000000000000000000000\"").unwrap_err().is_data());
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assert!(ser::from_str::<H256>("\"0x000000000000000000000000000000000000000000000000000000000000000g\"").unwrap_err().is_data());
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assert!(ser::from_str::<H256>("\"0x00000000000000000000000000000000000000000000000000000000000000000\"").unwrap_err().is_data());
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assert!(ser::from_str::<H256>("\"\"").unwrap_err().is_data());
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assert!(ser::from_str::<H256>("\"0\"").unwrap_err().is_data());
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assert!(ser::from_str::<H256>("\"10\"").unwrap_err().is_data());
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}
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#[test]
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fn test_heapsizeof() {
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use heapsize::HeapSizeOf;
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let h = H256::zero();
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assert_eq!(h.heap_size_of_children(), 0);
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}
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}
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