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apple--containerization/Tests/ContainerizationTests/InterfaceTests.swift
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chore: import upstream snapshot with attribution
2026-07-13 12:25:30 +08:00

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2.2 KiB
Swift

//===----------------------------------------------------------------------===//
// Copyright © 2026 Apple Inc. and the Containerization project authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//===----------------------------------------------------------------------===//
import ContainerizationExtras
import Testing
@testable import Containerization
struct InterfaceTests {
/// A minimal `Interface` conformer that only sets the IPv4 surface, relying on the
/// protocol's default extensions to fill in `ipv6Address`, `ipv6Gateway`, and `mtu`.
private struct V4OnlyInterface: Interface {
let ipv4Address: CIDRv4
let ipv4Gateway: IPv4Address?
let macAddress: MACAddress?
}
@Test func interfaceProtocolV6Defaults() throws {
let i = V4OnlyInterface(
ipv4Address: try CIDRv4("10.0.0.2/24"),
ipv4Gateway: try IPv4Address("10.0.0.1"),
macAddress: nil)
#expect(i.ipv6Address == nil)
#expect(i.ipv6Gateway == nil)
#expect(i.mtu == 1500)
}
@Test func natInterfaceRoundTripsV6Fields() throws {
let nat = NATInterface(
ipv4Address: try CIDRv4("10.0.0.2/24"),
ipv4Gateway: try IPv4Address("10.0.0.1"),
ipv6Address: try CIDRv6("fd00::2/64"),
ipv6Gateway: try IPv6Address("fd00::1"))
#expect(nat.ipv6Address == (try CIDRv6("fd00::2/64")))
#expect(nat.ipv6Gateway == (try IPv6Address("fd00::1")))
}
@Test func natInterfaceV6FieldsDefaultToNil() throws {
let nat = NATInterface(
ipv4Address: try CIDRv4("10.0.0.2/24"),
ipv4Gateway: try IPv4Address("10.0.0.1"))
#expect(nat.ipv6Address == nil)
#expect(nat.ipv6Gateway == nil)
}
}