mirror of
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f63c130c28
Finished documenting flatbuffersbuilder Replaces swift 5.5 with 5.2 packages Starts building the tutorial for xcode 13 Finishes building the tutorial for xcode 13 Removes docc files from old swift versions Updates swift style guide
244 lines
9.8 KiB
Swift
244 lines
9.8 KiB
Swift
/*
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* Copyright 2021 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 XCTest
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@testable import FlatBuffers
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final class FlatbuffersVerifierTests: XCTestCase {
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lazy var validStorage: ByteBuffer.Storage = ByteBuffer.Storage(
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count: Int(FlatBufferMaxSize) - 1,
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alignment: 1)
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lazy var errorStorage: ByteBuffer.Storage = ByteBuffer.Storage(
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count: Int(FlatBufferMaxSize) + 1,
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alignment: 1)
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var buffer: ByteBuffer!
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var validFlatbuffersObject: ByteBuffer!
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var invalidFlatbuffersObject: ByteBuffer!
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override func setUp() {
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// swiftformat:disable all
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buffer = ByteBuffer(initialSize: 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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validFlatbuffersObject = ByteBuffer(bytes: [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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 111, 0, 0, 0])
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invalidFlatbuffersObject = ByteBuffer(bytes: [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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 100, 111, 0, 0, 0])
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// swiftformat:enable all
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}
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func testVeriferInitPassing() {
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var buffer = ByteBuffer(initialSize: 0)
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buffer._storage = validStorage
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XCTAssertNoThrow(try Verifier(buffer: &buffer))
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}
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func testVeriferInitFailing() {
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var buffer = ByteBuffer(initialSize: 0)
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buffer._storage = errorStorage
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XCTAssertThrowsError(try Verifier(buffer: &buffer))
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}
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func testVerifierCheckAlignment() {
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var verifier = try! Verifier(buffer: &buffer)
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do {
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try verifier.isAligned(position: 20, type: Int.self)
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} catch {
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XCTAssertEqual(
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error as? FlatbuffersErrors,
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.missAlignedPointer(position: 20, type: "Int"))
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}
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XCTAssertNoThrow(try verifier.isAligned(position: 16, type: Int.self))
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var newVerifer = try! Verifier(buffer: &buffer, checkAlignment: false)
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XCTAssertNoThrow(try newVerifer.isAligned(position: 16, type: Int.self))
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}
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func testRangeInBuffer() {
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var verifier = try! Verifier(buffer: &buffer)
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let size = MemoryLayout<Int64>.size
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XCTAssertNoThrow(try verifier.rangeInBuffer(position: 24, size: size))
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XCTAssertThrowsError(try verifier.rangeInBuffer(position: 26, size: size))
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XCTAssertThrowsError(try verifier.rangeInBuffer(position: 26, size: size))
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XCTAssertThrowsError(try verifier.rangeInBuffer(position: 30, size: size))
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XCTAssertThrowsError(try verifier.rangeInBuffer(position: 32, size: size))
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XCTAssertThrowsError(try verifier.rangeInBuffer(position: 34, size: size))
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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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do {
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try verifier.rangeInBuffer(position: 24, size: size)
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} catch {
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XCTAssertEqual(
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error as! FlatbuffersErrors,
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.apparentSizeTooLarge)
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}
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}
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func testPositionInBuffer() {
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var verifier = try! Verifier(buffer: &buffer)
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XCTAssertNoThrow(try verifier.inBuffer(position: 0, of: Int64.self))
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XCTAssertNoThrow(try verifier.inBuffer(position: 24, of: Int64.self))
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XCTAssertThrowsError(try verifier.inBuffer(position: -9, of: Int64.self))
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XCTAssertThrowsError(try verifier.inBuffer(position: 25, of: Int64.self))
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XCTAssertThrowsError(try verifier.inBuffer(position: 26, of: Int32.self))
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XCTAssertThrowsError(try verifier.inBuffer(position: 26, of: Int64.self))
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XCTAssertThrowsError(try verifier.inBuffer(position: 30, of: Int64.self))
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XCTAssertThrowsError(try verifier.inBuffer(position: 32, of: Int64.self))
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XCTAssertThrowsError(try verifier.inBuffer(position: 34, of: Int64.self))
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}
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func testVisitTable() {
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var verifier = try! Verifier(buffer: &validFlatbuffersObject)
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XCTAssertNoThrow(try verifier.visitTable(at: 48))
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verifier.reset()
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}
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func testTableVerifier() {
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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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XCTAssertNoThrow(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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XCTAssertNoThrow(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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XCTAssertNoThrow(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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XCTAssertNoThrow(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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XCTAssertNoThrow(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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XCTAssertNoThrow(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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do {
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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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} catch {
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XCTAssertEqual(
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error as! FlatbuffersErrors,
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.missAlignedPointer(position: 25, type: "UInt16"))
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}
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do {
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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
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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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break
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case .mygameExample2Monster:
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break
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}
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})
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} catch {
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XCTAssertEqual(
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error as! FlatbuffersErrors,
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.missAlignedPointer(position: 25, type: "UInt16"))
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}
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}
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func testVerifyUnionVectors() {
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// swiftformat:disable all
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var byteBuffer = ByteBuffer(bytes: [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, 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, 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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// swiftformat:enable all
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XCTAssertNoThrow(try getCheckedRoot(byteBuffer: &byteBuffer) as Movie)
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}
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func testFullVerifier() {
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XCTAssertNoThrow(
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try getCheckedRoot(
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byteBuffer: &validFlatbuffersObject) as MyGame_Example_Monster)
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}
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func testInvalidBuffer() {
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XCTAssertThrowsError(
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try getCheckedRoot(
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byteBuffer: &invalidFlatbuffersObject) as MyGame_Example_Monster)
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}
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func testValidUnionBuffer() {
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let string = "Awesome \\\\t\t\nstring!"
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var fb = FlatBufferBuilder()
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let stringOffset = fb.create(string: string)
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let characterType: [Character] = [.bookfan, .other]
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let characters = [
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fb.create(struct: BookReader(booksRead: 7)),
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stringOffset,
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]
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let types = fb.createVector(characterType)
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let characterVector = fb.createVector(ofOffsets: characters)
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let end = Movie.createMovie(
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&fb,
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mainCharacterType: .other,
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mainCharacterOffset: Offset(offset: stringOffset.o),
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charactersTypeVectorOffset: types,
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charactersVectorOffset: characterVector)
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Movie.finish(&fb, end: end)
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var buf = fb.sizedBuffer
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XCTAssertNoThrow(try getCheckedRoot(byteBuffer: &buf) as Movie)
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}
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func add(buffer: inout ByteBuffer, v: Int32, p: Int) {
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buffer.write(value: v, index: p)
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}
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}
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