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55 lines
2 KiB
Rust
55 lines
2 KiB
Rust
// Copyright 2021 The Grin Developers
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//
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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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use std::collections::HashMap;
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use std::net::{IpAddr, Ipv4Addr, SocketAddr};
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use grin_p2p as p2p;
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use crate::p2p::types::PeerAddr;
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// Test the behavior of a hashmap of peers keyed by peer_addr.
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#[test]
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fn test_peer_addr_hashing() {
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let mut peers: HashMap<PeerAddr, String> = HashMap::new();
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let socket_addr1 = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(192, 168, 0, 1)), 8080);
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let peer_addr1 = PeerAddr(socket_addr1);
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peers.insert(peer_addr1, "peer1".into());
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assert!(peers.contains_key(&peer_addr1));
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assert_eq!(peers.len(), 1);
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let socket_addr2 = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(192, 168, 0, 1)), 8081);
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let peer_addr2 = PeerAddr(socket_addr2);
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// Expected behavior here is to ignore the port when hashing peer_addr.
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// This means the two peer_addr instances above are seen as the same addr.
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assert!(peers.contains_key(&peer_addr1));
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assert!(peers.contains_key(&peer_addr2));
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peers.insert(peer_addr2, "peer2".into());
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// Inserting the second instance is a no-op as they are treated as the same addr.
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assert!(peers.contains_key(&peer_addr1));
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assert!(peers.contains_key(&peer_addr2));
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assert_eq!(peers.len(), 1);
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// Check they are treated as the same even though their underlying ports are different.
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assert_eq!(peer_addr1, peer_addr2);
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assert_eq!(peer_addr1.0, socket_addr1);
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assert_eq!(peer_addr2.0, socket_addr2);
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assert_eq!(peer_addr1.0.port(), 8080);
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assert_eq!(peer_addr2.0.port(), 8081);
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}
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