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https://github.com/pezkuwichain/pezkuwi-subxt.git
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yjh
8136ab981e
* remove `sp-serializer` which is not useful * Update primitives/core/Cargo.toml * fix cargo.toml * ".git/.scripts/commands/fmt/fmt.sh" --------- Co-authored-by: Bastian Köcher <git@kchr.de> Co-authored-by: command-bot <>
93 lines
2.8 KiB
Rust
93 lines
2.8 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! An unsigned fixed-size integer.
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pub use primitive_types::{U256, U512};
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#[cfg(test)]
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mod tests {
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use super::*;
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use codec::{Decode, Encode};
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macro_rules! test {
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($name: ident, $test_name: ident) => {
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#[test]
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fn $test_name() {
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let tests = vec![
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($name::from(0), "0x0"),
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($name::from(1), "0x1"),
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($name::from(2), "0x2"),
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($name::from(10), "0xa"),
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($name::from(15), "0xf"),
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($name::from(16), "0x10"),
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($name::from(1_000), "0x3e8"),
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($name::from(100_000), "0x186a0"),
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($name::from(u64::MAX), "0xffffffffffffffff"),
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($name::from(u64::MAX) + $name::from(1), "0x10000000000000000"),
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];
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for (number, expected) in tests {
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assert_eq!(
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format!("{:?}", expected),
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serde_json::to_string_pretty(&number).expect("Json pretty print failed")
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);
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assert_eq!(number, serde_json::from_str(&format!("{:?}", expected)).unwrap());
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}
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// Invalid examples
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assert!(serde_json::from_str::<$name>("\"0x\"").unwrap_err().is_data());
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assert!(serde_json::from_str::<$name>("\"0xg\"").unwrap_err().is_data());
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assert!(serde_json::from_str::<$name>("\"\"").unwrap_err().is_data());
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}
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};
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}
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test!(U256, test_u256);
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#[test]
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fn test_u256_codec() {
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let res1 = vec![
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120, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0,
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];
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let res2 = vec![
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff,
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];
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assert_eq!(U256::from(120).encode(), res1);
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assert_eq!(U256::max_value().encode(), res2);
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assert_eq!(U256::decode(&mut &res1[..]), Ok(U256::from(120)));
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assert_eq!(U256::decode(&mut &res2[..]), Ok(U256::max_value()));
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}
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#[test]
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fn test_large_values() {
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assert_eq!(
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serde_json::to_string_pretty(&!U256::zero()).expect("Json pretty print failed"),
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"\"0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\""
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);
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assert!(serde_json::from_str::<U256>(
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"\"0x1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\""
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)
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.unwrap_err()
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.is_data());
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}
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}
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