mirror of
https://github.com/google/flatbuffers.git
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392165432a
* Migrating from Xctests to swift testing This migrates to the new Swift testing framework, which would allow us to always use the latest tech from swift moving forward. * Updates flag to make sure that Wasm testing works
492 lines
17 KiB
Swift
492 lines
17 KiB
Swift
/*
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* Copyright 2024 Google Inc. All rights reserved.
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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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*/
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import Testing
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@testable import FlatBuffers
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final class FlatbuffersVerifierTests {
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private var buffer: ByteBuffer
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private var validFlatbuffersObject: ByteBuffer
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private var invalidFlatbuffersObject: ByteBuffer
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private var invalidFlatbuffersObject2: ByteBuffer
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private var invalidFlatbuffersObject3: ByteBuffer
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init() {
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// swiftformat:disable all
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validFlatbuffersObject = ByteBuffer(bytes: [
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48, 0, 0, 0, 77, 79, 78, 83, 0, 0, 0, 0, 36, 0, 72, 0, 40, 0, 0, 0, 38, 0, 32, 0, 0, 0, 28, 0,
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0, 0, 27, 0, 20, 0, 16, 0, 12, 0, 4, 0, 0, 0, 0, 0, 0, 0, 11, 0, 36, 0, 0, 0, 164, 0, 0, 0, 0,
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0, 0, 1, 60, 0, 0, 0, 68, 0, 0, 0, 76, 0, 0, 0, 0, 0, 0, 1, 88, 0, 0, 0, 120, 0, 0, 0, 0, 0,
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80, 0, 0, 0, 128, 63, 0, 0, 0, 64, 0, 0, 64, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 64, 2, 0, 5,
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0, 6, 0, 0, 0, 2, 0, 0, 0, 64, 0, 0, 0, 48, 0, 0, 0, 2, 0, 0, 0, 30, 0, 40, 0, 10, 0, 20, 0,
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152, 255, 255, 255, 4, 0, 0, 0, 4, 0, 0, 0, 70, 114, 101, 100, 0, 0, 0, 0, 5, 0, 0, 0, 0, 1,
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2, 3, 4, 0, 0, 0, 5, 0, 0, 0, 116, 101, 115, 116, 50, 0, 0, 0, 5, 0, 0, 0, 116, 101, 115, 116,
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49, 0, 0, 0, 9, 0, 0, 0, 77, 121, 77, 111, 110, 115, 116, 101, 114, 0, 0, 0, 3, 0, 0, 0, 20,
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0, 0, 0, 36, 0, 0, 0, 4, 0, 0, 0, 240, 255, 255, 255, 32, 0, 0, 0, 248, 255, 255, 255, 36, 0,
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0, 0, 12, 0, 8, 0, 0, 0, 0, 0, 0, 0, 4, 0, 12, 0, 0, 0, 28, 0, 0, 0, 5, 0, 0, 0, 87, 105, 108,
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109, 97, 0, 0, 0, 6, 0, 0, 0, 66, 97, 114, 110, 101, 121, 0, 0, 5, 0, 0, 0, 70, 114, 111, 100,
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111, 0, 0, 0,
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])
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invalidFlatbuffersObject = ByteBuffer(bytes: [
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0, 48, 0, 0, 0, 77, 79, 78, 83, 0, 0, 0, 0, 36, 0, 72, 0, 40, 0, 0, 0, 38, 0, 32, 0, 0, 0, 28,
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0, 0, 0, 27, 0, 20, 0, 16, 0, 12, 0, 4, 0, 0, 0, 0, 0, 0, 0, 11, 0, 36, 0, 0, 0, 164, 0, 0, 0,
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0, 0, 0, 1, 60, 0, 0, 0, 68, 0, 0, 0, 76, 0, 0, 0, 0, 0, 0, 1, 88, 0, 0, 0, 120, 0, 0, 0, 0,
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0, 80, 0, 0, 0, 128, 63, 0, 0, 0, 64, 0, 0, 64, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 64, 2, 0,
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5, 0, 6, 0, 0, 0, 2, 0, 0, 0, 64, 0, 0, 0, 48, 0, 0, 0, 2, 0, 0, 0, 30, 0, 40, 0, 10, 0, 20,
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0, 152, 255, 255, 255, 4, 0, 0, 0, 4, 0, 0, 0, 70, 114, 101, 100, 0, 0, 0, 0, 5, 0, 0, 0, 0,
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1, 2, 3, 4, 0, 0, 0, 5, 0, 0, 0, 116, 101, 115, 116, 50, 0, 0, 0, 5, 0, 0, 0, 116, 101, 115,
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116, 49, 0, 0, 0, 9, 0, 0, 0, 77, 121, 77, 111, 110, 115, 116, 101, 114, 0, 0, 0, 3, 0, 0, 0,
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20, 0, 0, 0, 36, 0, 0, 0, 4, 0, 0, 0, 240, 255, 255, 255, 32, 0, 0, 0, 248, 255, 255, 255, 36,
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0, 0, 0, 12, 0, 8, 0, 0, 0, 0, 0, 0, 0, 4, 0, 12, 0, 0, 0, 28, 0, 0, 0, 5, 0, 0, 0, 87, 105,
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108, 109, 97, 0, 0, 0, 6, 0, 0, 0, 66, 97, 114, 110, 101, 121, 0, 0, 5, 0, 0, 0, 70, 114, 111,
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100, 111, 0, 0, 0,
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])
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// Array failure within a the inventory array
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invalidFlatbuffersObject2 = ByteBuffer(bytes: [
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48, 0, 0, 0, 77, 79, 78, 83, 0, 0, 0, 0, 36, 0, 72, 0, 40, 0, 0, 0, 38, 0, 32, 0, 0, 0, 28, 0,
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0, 0, 27, 0, 20, 0, 16, 0, 12, 0, 4, 0, 0, 0, 0, 0, 0, 0, 11, 0, 36, 0, 0, 0, 164, 0, 0, 0, 0,
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0, 0, 1, 60, 0, 0, 0, 68, 0, 0, 0, 76, 0, 0, 0, 0, 0, 0, 1, 88, 0, 0, 0, 120, 0, 0, 0, 0, 0,
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80, 0, 0, 0, 128, 63, 0, 0, 0, 64, 0, 0, 64, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 64, 2, 0, 5,
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0, 6, 0, 0, 0, 2, 0, 0, 0, 64, 0, 0, 0, 48, 0, 0, 0, 2, 0, 0, 0, 30, 0, 40, 0, 10, 0, 20, 0,
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152, 255, 255, 255, 4, 0, 0, 0, 4, 0, 0, 0, 70, 114, 101, 100, 0, 0, 0, 0, 5, 0, 0, 0, 0, 1,
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2, 0x00, 3, 4, 0, 0, 0, 5, 0, 0, 0, 116, 101, 115, 116, 50, 0, 0, 0, 5, 0, 0, 0, 116, 101,
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115, 116, 49, 0, 0, 0, 9, 0, 0, 0, 77, 121, 77, 111, 110, 115, 116, 101, 114, 0, 0, 0, 3, 0,
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0, 0, 20, 0, 0, 0, 36, 0, 0, 0, 4, 0, 0, 0, 240, 255, 255, 255, 32, 0, 0, 0, 248, 255, 255,
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255, 36, 0, 0, 0, 12, 0, 8, 0, 0, 0, 0, 0, 0, 0, 4, 0, 12, 0, 0, 0, 28, 0, 0, 0, 5, 0, 0, 0,
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87, 105, 108, 109, 97, 0, 0, 0, 6, 0, 0, 0, 66, 97, 114, 110, 101, 121, 0, 0, 5, 0, 0, 0, 70,
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114, 111, 100, 111, 0, 0, 0,
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])
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// Array failure within a the strings array
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invalidFlatbuffersObject3 = ByteBuffer(bytes: [
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48, 0, 0, 0, 77, 79, 78, 83, 0, 0, 0, 0, 36, 0, 72, 0, 40, 0, 0, 0, 38, 0, 32, 0, 0, 0, 28, 0,
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0, 0, 27, 0, 20, 0, 16, 0, 12, 0, 4, 0, 0, 0, 0, 0, 0, 0, 11, 0, 36, 0, 0, 0, 164, 0, 0, 0, 0,
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0, 0, 1, 60, 0, 0, 0, 68, 0, 0, 0, 76, 0, 0, 0, 0, 0, 0, 1, 88, 0, 0, 0, 120, 0, 0, 0, 0, 0,
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80, 0, 0, 0, 128, 63, 0, 0, 0, 64, 0, 0, 64, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 64, 2, 0, 5,
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0, 6, 0, 0, 0, 2, 0, 0, 0, 64, 0, 0, 0, 48, 0, 0, 0, 2, 0, 0, 0, 30, 0, 40, 0, 10, 0, 20, 0,
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152, 255, 255, 255, 4, 0, 0, 0, 4, 0, 0, 0, 70, 114, 101, 100, 0, 0, 0, 0, 5, 0, 0, 0, 0, 1,
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2, 3, 4, 0, 0, 0, 5, 0, 0, 0, 116, 101, 115, 116, 50, 0, 0, 0, 5, 0, 0, 0, 116, 101, 115, 116,
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49, 0, 0, 0, 9, 0, 0, 0, 77, 121, 77, 111, 110, 115, 116, 101, 114, 0, 0, 0, 3, 0, 0, 0, 20,
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0, 0, 0, 36, 0, 0, 0, 4, 0, 0, 0, 240, 255, 255, 255, 32, 0, 0, 0, 248, 255, 255, 255, 36, 0,
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0, 0, 12, 0, 8, 0, 0, 0, 0, 0, 0, 0, 4, 0, 12, 0, 0, 0, 28, 0, 0, 0, 5, 0, 0, 0, 87, 105, 108,
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109, 97, 0, 0, 0, 6, 0, 0, 0, 66, 97, 114, 110, 101, 121, 0, 0, 5, 0, 0, 0, 70, 114, 111, 100,
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0x00, 111, 0, 0, 0,
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])
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let memory = UnsafeMutableRawPointer.allocate(byteCount: 32, alignment: 1)
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buffer = ByteBuffer(assumingMemoryBound: memory, capacity: 32)
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add(buffer: &buffer, v: 4, p: 16)
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add(buffer: &buffer, v: 4, p: 20)
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// swiftformat:enable all
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}
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@Test
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func testVeriferInitPassing() throws {
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let memory = UnsafeMutableRawPointer.allocate(byteCount: 8, alignment: 1)
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var buffer = ByteBuffer(
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assumingMemoryBound: memory,
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capacity: Int(FlatBufferMaxSize) - 1)
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_ = try Verifier(buffer: &buffer)
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}
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@Test
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func testVeriferInitFailing() {
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let memory = UnsafeMutableRawPointer.allocate(byteCount: 8, alignment: 1)
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var buffer = ByteBuffer(
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assumingMemoryBound: memory,
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capacity: Int(FlatBufferMaxSize) + 1)
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#expect(throws: FlatbuffersErrors.exceedsMaxSizeAllowed) {
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try Verifier(buffer: &buffer)
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}
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}
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@Test
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func testFailingID() {
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let dutData: [UInt8] = [1, 2, 3, 4, 5, 6, 7]
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var buff = ByteBuffer(bytes: dutData)
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#expect(throws: FlatbuffersErrors.bufferDoesntContainID) {
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let _: Monster = try getCheckedRoot(byteBuffer: &buff, fileId: "ABCD")
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}
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}
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@Test
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func testVerifierCheckAlignment() throws {
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let verifier = try! Verifier(buffer: &buffer)
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#expect(throws: FlatbuffersErrors.missAlignedPointer(
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position: 20,
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type: "Int"))
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{
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try verifier.isAligned(position: 20, type: Int.self)
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}
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try verifier.isAligned(position: 16, type: Int.self)
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let newVerifer = try! Verifier(buffer: &buffer, checkAlignment: false)
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try newVerifer.isAligned(position: 16, type: Int.self)
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}
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@Test
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func testRangeInBuffer() throws {
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var verifier = try! Verifier(buffer: &buffer)
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let size = MemoryLayout<Int64>.size
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try verifier.rangeInBuffer(position: 24, size: size)
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#expect(throws: FlatbuffersErrors.outOfBounds(position: 34, end: 32)) {
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try verifier.rangeInBuffer(position: 26, size: size)
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}
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#expect(throws: FlatbuffersErrors.outOfBounds(position: 34, end: 32)) {
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try verifier.rangeInBuffer(
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position: 26,
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size: size)
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}
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#expect(throws: FlatbuffersErrors.outOfBounds(position: 38, end: 32)) {
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try verifier.rangeInBuffer(
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position: 30,
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size: size)
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}
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#expect(throws: FlatbuffersErrors.outOfBounds(position: 40, end: 32)) {
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try verifier.rangeInBuffer(
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position: 32,
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size: size)
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}
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#expect(throws: FlatbuffersErrors.outOfBounds(position: 42, end: 32)) {
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try verifier.rangeInBuffer(
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position: 34,
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size: size)
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}
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verifier = try! Verifier(
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buffer: &buffer,
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options: .init(maxDepth: 0, maxTableCount: 0, maxApparentSize: 4))
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#expect(throws: FlatbuffersErrors.apparentSizeTooLarge) {
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try verifier.rangeInBuffer(position: 24, size: size)
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}
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}
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@Test
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func testPositionInBuffer() throws {
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let verifier = try! Verifier(buffer: &buffer)
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try verifier.inBuffer(position: 0, of: Int64.self)
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try verifier.inBuffer(position: 24, of: Int64.self)
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#expect(
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throws: FlatbuffersErrors.missAlignedPointer(
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position: -9,
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type: "Int64"))
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{
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try verifier.inBuffer(position: -9, of: Int64.self)
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}
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#expect(
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throws: FlatbuffersErrors.missAlignedPointer(
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position: 25,
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type: "Int64"))
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{
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try verifier.inBuffer(position: 25, of: Int64.self)
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}
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#expect(
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throws: FlatbuffersErrors.missAlignedPointer(
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position: 26,
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type: "Int32"))
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{
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try verifier.inBuffer(position: 26, of: Int32.self)
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}
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#expect(
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throws: FlatbuffersErrors.missAlignedPointer(
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position: 26,
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type: "Int64"))
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{
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try verifier.inBuffer(position: 26, of: Int64.self)
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}
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#expect(
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throws: FlatbuffersErrors.missAlignedPointer(
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position: 30,
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type: "Int64"))
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{
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try verifier.inBuffer(position: 30, of: Int64.self)
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}
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#expect(throws: FlatbuffersErrors.outOfBounds(position: 40, end: 32)) {
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try verifier.inBuffer(
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position: 32,
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of: Int64.self)
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}
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#expect(
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throws: FlatbuffersErrors.missAlignedPointer(
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position: 34,
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type: "Int64"))
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{
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try verifier.inBuffer(position: 34, of: Int64.self)
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}
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}
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@Test
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func testVisitTable() throws {
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var verifier = try! Verifier(buffer: &validFlatbuffersObject)
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_ = try verifier.visitTable(at: 48)
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verifier.reset()
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}
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@Test
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func testTableVerifier() throws {
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var verifier = try! Verifier(buffer: &validFlatbuffersObject)
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var tableVerifer = try! verifier.visitTable(at: 48)
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#expect(verifier.depth == 1)
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#expect(verifier.tableCount == 1)
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try tableVerifer.visit(
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field: 4,
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fieldName: "Vec",
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required: false,
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type: Vec3.self)
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try tableVerifer.visit(
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field: 8,
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fieldName: "hp",
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required: false,
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type: Int16.self)
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try tableVerifer.visit(
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field: 10,
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fieldName: "name",
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required: true,
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type: ForwardOffset<String>.self)
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try tableVerifer.visit(
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field: 14,
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fieldName: "inventory",
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required: false,
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type: ForwardOffset<Vector<UInt8, UInt8>>.self)
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try tableVerifer.visit(
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field: 22,
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fieldName: "test4",
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required: false,
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type: ForwardOffset<Vector<MyGame_Example_Test, MyGame_Example_Test>>
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.self)
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try tableVerifer.visit(
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field: 24,
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fieldName: "Vector of strings",
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required: false,
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type: ForwardOffset<Vector<ForwardOffset<String>, String>>.self)
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#expect(throws: FlatbuffersErrors.missAlignedPointer(
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position: 25,
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type: "UInt16"))
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{
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try tableVerifer.visit(
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field: 13,
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fieldName: "notvalid",
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required: false,
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type: Int16.self)
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}
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try tableVerifer.visit(
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unionKey: 18,
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unionField: 20,
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unionKeyName: "testType",
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fieldName: "test",
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required: false,
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completion: { (verifier, key: MyGame_Example_Any_, pos) in
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switch key {
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case .none_:
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break // NOTE - SWIFT doesnt support none
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case .monster:
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try ForwardOffset<MyGame_Example_Monster>.verify(
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&verifier,
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at: pos,
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of: MyGame_Example_Monster.self)
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case .testsimpletablewithenum:
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try ForwardOffset<MyGame_Example_TestSimpleTableWithEnum>.verify(
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&verifier,
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at: pos,
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of: MyGame_Example_TestSimpleTableWithEnum.self)
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case .mygameExample2Monster:
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try ForwardOffset<MyGame_Example2_Monster>.verify(
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&verifier,
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at: pos,
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of: MyGame_Example2_Monster.self)
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}
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})
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tableVerifer.finish()
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#expect(verifier.depth == 0)
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}
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@Test
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func testVerifyUnionVectors() throws {
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// swiftformat:disable all
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var byteBuffer = ByteBuffer(bytes: [
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20, 0, 0, 0, 77, 79, 86, 73, 12, 0, 12, 0, 0, 0, 0, 0, 8, 0, 4, 0, 12, 0, 0, 0, 8, 0, 0, 0,
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20, 0, 0, 0, 3, 0, 0, 0, 24, 0, 0, 0, 32, 0, 0, 0, 12, 0, 0, 0, 3, 0, 0, 0, 3, 1, 4, 0, 2, 0,
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0, 0, 7, 0, 0, 0, 0, 0, 6, 0, 8, 0, 4, 0, 6, 0, 0, 0, 8, 0, 0, 0,
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])
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// swiftformat:enable all
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_ = try getCheckedRoot(byteBuffer: &byteBuffer) as Movie
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}
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@Test
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func testErrorWrongFileId() throws{
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// swiftformat:disable all
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var byteBuffer = ByteBuffer(bytes: [
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20, 0, 0, 0, 77, 79, 86, 73, 12, 0, 12, 0, 0, 0, 0, 0, 8, 0, 4, 0, 12, 0, 0, 0, 8, 0, 0, 0,
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20, 0, 0, 0, 3, 0, 0, 0, 24, 0, 0, 0, 32, 0, 0, 0, 12, 0, 0, 0, 3, 0, 0, 0, 3, 1, 4, 0, 2, 0,
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0, 0, 7, 0, 0, 0, 0, 0, 6, 0, 8, 0, 4, 0, 6, 0, 0, 0, 8, 0, 0, 0,
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])
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// swiftformat:enable all
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#expect(throws: FlatbuffersErrors.bufferIdDidntMatchPassedId) {
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try getCheckedRoot(
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byteBuffer: &byteBuffer,
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fileId: "FLEX") as Movie
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}
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}
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@Test
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func testVerifyPrefixedBuffer() {
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// swiftformat:disable all
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var byteBuffer = ByteBuffer(bytes: [
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0, 0, 0, 1, 20, 0, 0, 0, 77, 79, 86, 73, 12, 0, 12, 0, 0, 0, 0, 0, 8, 0, 4, 0, 12, 0, 0, 0, 8,
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0, 0, 0, 20, 0, 0, 0, 3, 0, 0, 0, 24, 0, 0, 0, 32, 0, 0, 0, 12, 0, 0, 0, 3, 0, 0, 0, 3, 1, 4,
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0, 2, 0, 0, 0, 7, 0, 0, 0, 0, 0, 6, 0, 8, 0, 4, 0, 6, 0, 0, 0, 8, 0, 0, 0,
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])
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// swiftformat:enable all
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#expect(throws: FlatbuffersErrors.prefixedSizeNotEqualToBufferSize) {
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try getCheckedPrefixedSizeRoot(byteBuffer: &byteBuffer) as Movie
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}
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}
|
|
|
|
@Test
|
|
func testFullVerifier() throws {
|
|
_ =
|
|
try getCheckedRoot(
|
|
byteBuffer: &validFlatbuffersObject) as MyGame_Example_Monster
|
|
}
|
|
|
|
@Test
|
|
func testFullVerifierWithFileId() throws {
|
|
_ = try getCheckedRoot(
|
|
byteBuffer: &validFlatbuffersObject,
|
|
fileId: MyGame_Example_Monster.id) as MyGame_Example_Monster
|
|
}
|
|
|
|
@Test
|
|
func testInvalidBuffer() {
|
|
#expect(throws: FlatbuffersErrors.self) {
|
|
try getCheckedRoot(
|
|
byteBuffer: &self.invalidFlatbuffersObject) as MyGame_Example_Monster
|
|
}
|
|
}
|
|
|
|
@Test
|
|
func testInvalidBuffer2() {
|
|
#expect(throws: FlatbuffersErrors.self) {
|
|
try getCheckedRoot(
|
|
byteBuffer: &self.invalidFlatbuffersObject2) as MyGame_Example_Monster
|
|
}
|
|
}
|
|
|
|
@Test
|
|
func testInvalidBuffer3() {
|
|
#expect(throws: FlatbuffersErrors.self) {
|
|
try getCheckedRoot(
|
|
byteBuffer: &self.invalidFlatbuffersObject3) as MyGame_Example_Monster
|
|
}
|
|
}
|
|
|
|
@Test
|
|
func testValidUnionBuffer() {
|
|
let string = "Awesome \\\\t\t\nstring!"
|
|
var fb = FlatBufferBuilder()
|
|
let stringOffset = fb.create(string: string)
|
|
let characterType: [Character] = [.bookfan, .other]
|
|
|
|
let characters = [
|
|
fb.create(struct: BookReader(booksRead: 7)),
|
|
stringOffset,
|
|
]
|
|
let types = fb.createVector(characterType)
|
|
let characterVector = fb.createVector(ofOffsets: characters)
|
|
|
|
let end = Movie.createMovie(
|
|
&fb,
|
|
mainCharacterType: .other,
|
|
mainCharacterOffset: Offset(offset: stringOffset.o),
|
|
charactersTypeVectorOffset: types,
|
|
charactersVectorOffset: characterVector)
|
|
Movie.finish(&fb, end: end)
|
|
var buf = fb.sizedBuffer
|
|
do {
|
|
_ = try getCheckedRoot(byteBuffer: &buf) as Movie
|
|
} catch {
|
|
Issue.record(error)
|
|
}
|
|
}
|
|
|
|
@Test
|
|
func testNestedTables() throws {
|
|
var builder = FlatBufferBuilder()
|
|
let name = builder.create(string: "Monster")
|
|
|
|
let enemy = MyGame_Example_Monster.createMonster(
|
|
&builder,
|
|
nameOffset: name)
|
|
let currentName = builder.create(string: "Main name")
|
|
let monster = MyGame_Example_Monster.createMonster(
|
|
&builder,
|
|
nameOffset: currentName,
|
|
enemyOffset: enemy)
|
|
builder.finish(offset: monster)
|
|
|
|
var sizedBuffer = builder.sizedBuffer
|
|
var verifier = try! Verifier(buffer: &sizedBuffer)
|
|
var tableVerifer = try! verifier.visitTable(
|
|
at: try getOffset(at: 0, within: verifier))
|
|
#expect(verifier.depth == 1)
|
|
#expect(verifier.tableCount == 1)
|
|
|
|
let position = try tableVerifer.dereference(28)!
|
|
|
|
var nestedTable = try verifier.visitTable(
|
|
at: try getOffset(at: position, within: verifier))
|
|
|
|
#expect(verifier.depth == 2)
|
|
#expect(verifier.tableCount == 2)
|
|
nestedTable.finish()
|
|
#expect(verifier.depth == 1)
|
|
#expect(verifier.tableCount == 2)
|
|
tableVerifer.finish()
|
|
#expect(verifier.depth == 0)
|
|
#expect(verifier.tableCount == 2)
|
|
}
|
|
|
|
func add(buffer: inout ByteBuffer, v: Int32, p: Int) {
|
|
buffer.write(value: v, index: p)
|
|
}
|
|
|
|
private func getOffset(
|
|
at value: Int,
|
|
within verifier: Verifier) throws -> Int
|
|
{
|
|
let offset: UOffset = try verifier.getValue(at: value)
|
|
return Int(clamping: (Int(offset) &+ 0).magnitude)
|
|
}
|
|
}
|