//===----------------------------------------------------------------------===// // Copyright © 2025-2026 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 Testing @testable import ContainerizationNetlink struct TypesTest { @Test func testNetlinkMessageHeader() throws { let expectedValue = NetlinkMessageHeader( len: 0x1234_5678, type: 0x9abc, flags: 0xdef0, seq: 0x1122_3344, pid: 0x5566_7788) let expectedBuffer: [UInt8] = [ 0x78, 0x56, 0x34, 0x12, 0xbc, 0x9a, 0xf0, 0xde, 0x44, 0x33, 0x22, 0x11, 0x88, 0x77, 0x66, 0x55, ] var buffer = [UInt8](repeating: 0, count: NetlinkMessageHeader.size) let offset = try expectedValue.appendBuffer(&buffer, offset: 0) #expect(NetlinkMessageHeader.size == offset) #expect(expectedBuffer == buffer) guard let (offset, value) = buffer.copyOut(as: NetlinkMessageHeader.self) else { #expect(Bool(false), "could not bind value to buffer") return } #expect(offset == NetlinkMessageHeader.size) #expect(expectedValue == value) } @Test func testInterfaceInfo() throws { let expectedValue = InterfaceInfo( family: UInt8(AddressFamily.AF_NETLINK), type: 0x1234, index: 0x1234_5678, flags: 0x9abc_def0, change: 0x0fed_cba9 ) let expectedBuffer: [UInt8] = [ 0x10, 0x00, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12, 0xf0, 0xde, 0xbc, 0x9a, 0xa9, 0xcb, 0xed, 0x0f, ] var buffer = [UInt8](repeating: 0, count: InterfaceInfo.size) let offset = try expectedValue.appendBuffer(&buffer, offset: 0) #expect(InterfaceInfo.size == offset) #expect(expectedBuffer == buffer) guard let (offset, value) = buffer.copyOut(as: InterfaceInfo.self) else { #expect(Bool(false), "could not bind value to buffer") return } #expect(offset == InterfaceInfo.size) #expect(expectedValue == value) } @Test func testAddressInfo() throws { let expectedValue = AddressInfo( family: UInt8(AddressFamily.AF_INET), prefixLength: 24, flags: 0x5a, scope: 0xa5, index: 0xdead_beef) let expectedBuffer: [UInt8] = [ 0x02, 0x18, 0x5a, 0xa5, 0xef, 0xbe, 0xad, 0xde, ] var buffer = [UInt8](repeating: 0, count: AddressInfo.size) let offset = try expectedValue.appendBuffer(&buffer, offset: 0) #expect(AddressInfo.size == offset) #expect(expectedBuffer == buffer) guard let (offset, value) = buffer.copyOut(as: AddressInfo.self) else { #expect(Bool(false), "could not bind value to buffer") return } #expect(offset == AddressInfo.size) #expect(expectedValue == value) } @Test func testRTAttribute() throws { let expectedValue = RTAttribute(len: 0x1234, type: 0x5678) let expectedBuffer: [UInt8] = [ 0x34, 0x12, 0x78, 0x56, ] var buffer = [UInt8](repeating: 0, count: RTAttribute.size) let offset = try expectedValue.appendBuffer(&buffer, offset: 0) #expect(RTAttribute.size == offset) #expect(expectedBuffer == buffer) guard let (offset, value) = buffer.copyOut(as: RTAttribute.self) else { #expect(Bool(false), "could not bind value to buffer") return } #expect(offset == RTAttribute.size) #expect(expectedValue == value) } @Test func testSockaddrNetlink() throws { let expectedValue = SockaddrNetlink(family: 16, pid: 0x1234_5678, groups: 0x9abc_def0) let expectedBuffer: [UInt8] = [ 0x10, 0x00, 0x00, 0x00, 0x78, 0x56, 0x34, 0x12, 0xf0, 0xde, 0xbc, 0x9a, ] var buffer = [UInt8](repeating: 0, count: SockaddrNetlink.size) let offset = try expectedValue.appendBuffer(&buffer, offset: 0) #expect(SockaddrNetlink.size == offset) #expect(expectedBuffer == buffer) var unmarshaledValue = SockaddrNetlink() let bindOffset = try unmarshaledValue.bindBuffer(&buffer, offset: 0) #expect(bindOffset == SockaddrNetlink.size) #expect(expectedValue == unmarshaledValue) } @Test func testRouteInfo() throws { let expectedValue = RouteInfo( family: UInt8(AddressFamily.AF_INET), dstLen: 24, srcLen: 0, tos: 0, table: RouteTable.MAIN, proto: RouteProtocol.KERNEL, scope: RouteScope.LINK, type: RouteType.UNICAST, flags: 0xdead_beef ) let expectedBuffer: [UInt8] = [ 0x02, 0x18, 0x00, 0x00, 0xfe, 0x02, 0xfd, 0x01, 0xef, 0xbe, 0xad, 0xde, ] var buffer = [UInt8](repeating: 0, count: RouteInfo.size) let offset = try expectedValue.appendBuffer(&buffer, offset: 0) #expect(RouteInfo.size == offset) #expect(expectedBuffer == buffer) var unmarshaledValue = RouteInfo( dstLen: 0, srcLen: 0, tos: 0, table: 0, proto: 0, scope: 0, type: 0, flags: 0) let bindOffset = try unmarshaledValue.bindBuffer(&buffer, offset: 0) #expect(bindOffset == RouteInfo.size) #expect(expectedValue == unmarshaledValue) } @Test func testLinkStatistics64() throws { var expectedValue = LinkStatistics64() expectedValue.rxPackets = 0x0102_0304_0506_0708 expectedValue.txPackets = 0x090a_0b0c_0d0e_0f10 expectedValue.rxBytes = 0x1112_1314_1516_1718 expectedValue.txBytes = 0x191a_1b1c_1d1e_1f20 expectedValue.rxErrors = 0x2122_2324_2526_2728 expectedValue.txErrors = 0x292a_2b2c_2d2e_2f30 expectedValue.rxDropped = 0x3132_3334_3536_3738 expectedValue.txDropped = 0x393a_3b3c_3d3e_3f40 expectedValue.multicast = 0x4142_4344_4546_4748 expectedValue.collisions = 0x494a_4b4c_4d4e_4f50 expectedValue.rxLengthErrors = 0x5152_5354_5556_5758 expectedValue.rxOverErrors = 0x595a_5b5c_5d5e_5f60 expectedValue.rxCrcErrors = 0x6162_6364_6566_6768 expectedValue.rxFrameErrors = 0x696a_6b6c_6d6e_6f70 expectedValue.rxFifoErrors = 0x7172_7374_7576_7778 expectedValue.rxMissedErrors = 0x797a_7b7c_7d7e_7f80 expectedValue.txAbortedErrors = 0x8182_8384_8586_8788 expectedValue.txCarrierErrors = 0x898a_8b8c_8d8e_8f90 expectedValue.txFifoErrors = 0x9192_9394_9596_9798 expectedValue.txHeartbeatErrors = 0x999a_9b9c_9d9e_9fa0 expectedValue.txWindowErrors = 0xa1a2_a3a4_a5a6_a7a8 expectedValue.rxCompressed = 0xa9aa_abac_adae_afb0 expectedValue.txCompressed = 0xb1b2_b3b4_b5b6_b7b8 let expectedBuffer: [UInt8] = [ 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x10, 0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x20, 0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x30, 0x2f, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x38, 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x40, 0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x48, 0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0x41, 0x50, 0x4f, 0x4e, 0x4d, 0x4c, 0x4b, 0x4a, 0x49, 0x58, 0x57, 0x56, 0x55, 0x54, 0x53, 0x52, 0x51, 0x60, 0x5f, 0x5e, 0x5d, 0x5c, 0x5b, 0x5a, 0x59, 0x68, 0x67, 0x66, 0x65, 0x64, 0x63, 0x62, 0x61, 0x70, 0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x69, 0x78, 0x77, 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x80, 0x7f, 0x7e, 0x7d, 0x7c, 0x7b, 0x7a, 0x79, 0x88, 0x87, 0x86, 0x85, 0x84, 0x83, 0x82, 0x81, 0x90, 0x8f, 0x8e, 0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x98, 0x97, 0x96, 0x95, 0x94, 0x93, 0x92, 0x91, 0xa0, 0x9f, 0x9e, 0x9d, 0x9c, 0x9b, 0x9a, 0x99, 0xa8, 0xa7, 0xa6, 0xa5, 0xa4, 0xa3, 0xa2, 0xa1, 0xb0, 0xaf, 0xae, 0xad, 0xac, 0xab, 0xaa, 0xa9, 0xb8, 0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, ] var buffer = [UInt8](repeating: 0, count: LinkStatistics64.size) let offset = try expectedValue.appendBuffer(&buffer, offset: 0) #expect(LinkStatistics64.size == offset) #expect(expectedBuffer == buffer) var unmarshaledValue = LinkStatistics64() let bindOffset = try unmarshaledValue.bindBuffer(&buffer, offset: 0) #expect(bindOffset == LinkStatistics64.size) #expect(expectedValue == unmarshaledValue) } }