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flatbuffers/tests/FlatBuffers.Test.Swift/Tests/FlatBuffers.Test.SwiftTests/FlatBuffersMonsterWriterTests.swift
Liu Liu f35184aef9 [Swift] Add parsing from unowned UnsafeMutableRawPointer for ByteBuffer (#5981) 
* RFC: Add ExternalStorage for ByteBuffer in Swift implementation

This PR proposed one more API for ByteBuffer such that no copy is
required to parse FlatBuffers content. This API has limited use, but for
cases that you need to read part of the flatbuffers' data to decide
whether you want to parse / copy the full buffer out, it is useful.

* Use a variable rather than protocol.

* Revert grouping changes from the other PR.

* Add unit test to read from unowned UnsafePointer.

* Manifest changed.
2020-06-22 17:05:36 -07:00

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import XCTest
import Foundation
@testable import FlatBuffers
public typealias Test = MyGame.Example.Test
public typealias Monster = MyGame.Example.Monster
public typealias Vec3 = MyGame.Example.Vec3
public typealias Stat = MyGame.Example.Stat
class FlatBuffersMonsterWriterTests: XCTestCase {
func testData() {
let data = Data([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])
let _data = ByteBuffer(data: data)
readMonster(fb: _data)
}
func testReadFromOtherLanguages() {
let path = FileManager.default.currentDirectoryPath
let url = URL(fileURLWithPath: path, isDirectory: true).appendingPathComponent("monsterdata_test").appendingPathExtension("mon")
guard let data = try? Data(contentsOf: url) else { return }
let _data = ByteBuffer(data: data)
readMonster(fb: _data)
}
func testCreateMonster() {
let bytes = createMonster(withPrefix: false)
XCTAssertEqual(bytes.sizedByteArray, [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])
readMonster(fb: bytes.buffer)
mutateMonster(fb: bytes.buffer)
readMonster(fb: bytes.buffer)
}
func testCreateMonsterResizedBuffer() {
let bytes = createMonster(withPrefix: false)
XCTAssertEqual(bytes.sizedByteArray, [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])
readMonster(fb: bytes.sizedBuffer)
}
func testCreateMonsterPrefixed() {
let bytes = createMonster(withPrefix: true)
XCTAssertEqual(bytes.sizedByteArray, [44, 1, 0, 0, 44, 0, 0, 0, 77, 79, 78, 83, 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])
let newBuf = FlatBuffersUtils.removeSizePrefix(bb: bytes.buffer)
readMonster(fb: newBuf)
}
func testReadMonsterFromUnsafePointerWithoutCopying() {
var array: [UInt8] = [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]
let unpacked = array.withUnsafeMutableBytes { (memory) -> MyGame.Example.MonsterT in
let bytes = ByteBuffer(assumingMemoryBound: memory.baseAddress!, capacity: memory.count)
var monster = Monster.getRootAsMonster(bb: bytes)
readFlatbufferMonster(monster: &monster)
let unpacked = monster.unpack()
return unpacked
}
readObjectApi(monster: unpacked)
}
func readMonster(fb: ByteBuffer) {
var monster = Monster.getRootAsMonster(bb: fb)
readFlatbufferMonster(monster: &monster)
var unpacked: MyGame.Example.MonsterT? = monster.unpack()
readObjectApi(monster: unpacked!)
var builder = FlatBufferBuilder()
let root = Monster.pack(&builder, obj: &unpacked)
builder.finish(offset: root)
var newMonster = Monster.getRootAsMonster(bb: builder.sizedBuffer)
readFlatbufferMonster(monster: &newMonster)
}
func createMonster(withPrefix prefix: Bool) -> FlatBufferBuilder {
var fbb = FlatBufferBuilder(initialSize: 1)
let names = [fbb.create(string: "Frodo"), fbb.create(string: "Barney"), fbb.create(string: "Wilma")]
var offsets: [Offset<UOffset>] = []
let start1 = Monster.startMonster(&fbb)
Monster.add(name: names[0], &fbb)
offsets.append(Monster.endMonster(&fbb, start: start1))
let start2 = Monster.startMonster(&fbb)
Monster.add(name: names[1], &fbb)
offsets.append(Monster.endMonster(&fbb, start: start2))
let start3 = Monster.startMonster(&fbb)
Monster.add(name: names[2], &fbb)
offsets.append(Monster.endMonster(&fbb, start: start3))
let sortedArray = Monster.sortVectorOfMonster(offsets: offsets, &fbb)
let str = fbb.create(string: "MyMonster")
let test1 = fbb.create(string: "test1")
let test2 = fbb.create(string: "test2")
let _inv: [Byte] = [0, 1, 2, 3, 4]
let inv = fbb.createVector(_inv)
let fred = fbb.create(string: "Fred")
let mon1Start = Monster.startMonster(&fbb)
Monster.add(name: fred, &fbb)
let mon2 = Monster.endMonster(&fbb, start: mon1Start)
let test4 = fbb.createVector(structs: [MyGame.Example.createTest(a: 30, b: 40),
MyGame.Example.createTest(a: 10, b: 20)],
type: Test.self)
let stringTestVector = fbb.createVector(ofOffsets: [test1, test2])
let mStart = Monster.startMonster(&fbb)
let posOffset = fbb.create(struct: MyGame.Example.createVec3(x: 1, y: 2, z: 3, test1: 3, test2: .green, test3a: 5, test3b: 6), type: Vec3.self)
Monster.add(pos: posOffset, &fbb)
Monster.add(hp: 80, &fbb)
Monster.add(name: str, &fbb)
Monster.addVectorOf(inventory: inv, &fbb)
Monster.add(testType: .monster, &fbb)
Monster.add(test: mon2, &fbb)
Monster.addVectorOf(test4: test4, &fbb)
Monster.addVectorOf(testarrayofstring: stringTestVector, &fbb)
Monster.add(testbool: true, &fbb)
Monster.addVectorOf(testarrayoftables: sortedArray, &fbb)
let end = Monster.endMonster(&fbb, start: mStart)
Monster.finish(&fbb, end: end, prefix: prefix)
return fbb
}
func mutateMonster(fb: ByteBuffer) {
let monster = Monster.getRootAsMonster(bb: fb)
XCTAssertFalse(monster.mutate(mana: 10))
XCTAssertEqual(monster.testarrayoftables(at: 0)?.name, "Barney")
XCTAssertEqual(monster.testarrayoftables(at: 1)?.name, "Frodo")
XCTAssertEqual(monster.testarrayoftables(at: 2)?.name, "Wilma")
// Example of searching for a table by the key
XCTAssertNotNil(monster.testarrayoftablesBy(key: "Frodo"))
XCTAssertNotNil(monster.testarrayoftablesBy(key: "Barney"))
XCTAssertNotNil(monster.testarrayoftablesBy(key: "Wilma"))
XCTAssertEqual(monster.testType, .monster)
XCTAssertEqual(monster.mutate(inventory: 1, at: 0), true)
XCTAssertEqual(monster.mutate(inventory: 2, at: 1), true)
XCTAssertEqual(monster.mutate(inventory: 3, at: 2), true)
XCTAssertEqual(monster.mutate(inventory: 4, at: 3), true)
XCTAssertEqual(monster.mutate(inventory: 5, at: 4), true)
for i in 0..<monster.inventoryCount {
XCTAssertEqual(monster.inventory(at: i), Byte(i + 1))
}
XCTAssertEqual(monster.mutate(inventory: 0, at: 0), true)
XCTAssertEqual(monster.mutate(inventory: 1, at: 1), true)
XCTAssertEqual(monster.mutate(inventory: 2, at: 2), true)
XCTAssertEqual(monster.mutate(inventory: 3, at: 3), true)
XCTAssertEqual(monster.mutate(inventory: 4, at: 4), true)
let vec = monster.pos
XCTAssertEqual(vec?.x, 1)
XCTAssertTrue(vec?.mutate(x: 55.0) ?? false)
XCTAssertTrue(vec?.mutate(test1: 55) ?? false)
XCTAssertEqual(vec?.x, 55.0)
XCTAssertEqual(vec?.test1, 55.0)
XCTAssertTrue(vec?.mutate(x: 1) ?? false)
XCTAssertEqual(vec?.x, 1)
XCTAssertTrue(vec?.mutate(test1: 3) ?? false)
}
func readFlatbufferMonster(monster: inout MyGame.Example.Monster) {
XCTAssertEqual(monster.hp, 80)
XCTAssertEqual(monster.mana, 150)
XCTAssertEqual(monster.name, "MyMonster")
let pos = monster.pos
XCTAssertEqual(pos?.x, 1)
XCTAssertEqual(pos?.y, 2)
XCTAssertEqual(pos?.z, 3)
XCTAssertEqual(pos?.test1, 3)
XCTAssertEqual(pos?.test2, .green)
let test = pos?.test3
XCTAssertEqual(test?.a, 5)
XCTAssertEqual(test?.b, 6)
XCTAssertEqual(monster.testType, .monster)
let monster2 = monster.test(type: Monster.self)
XCTAssertEqual(monster2?.name, "Fred")
XCTAssertEqual(monster.mutate(mana: 10), false)
XCTAssertEqual(monster.mana, 150)
XCTAssertEqual(monster.inventoryCount, 5)
var sum: Byte = 0
for i in 0...monster.inventoryCount {
sum += monster.inventory(at: i)
}
XCTAssertEqual(sum, 10)
XCTAssertEqual(monster.test4Count, 2)
let test0 = monster.test4(at: 0)
let test1 = monster.test4(at: 1)
var sum0 = 0
var sum1 = 0
if let a = test0?.a, let b = test0?.b {
sum0 = Int(a) + Int(b)
}
if let a = test1?.a, let b = test1?.b {
sum1 = Int(a) + Int(b)
}
XCTAssertEqual(sum0 + sum1, 100)
XCTAssertEqual(monster.testarrayofstringCount, 2)
XCTAssertEqual(monster.testarrayofstring(at: 0), "test1")
XCTAssertEqual(monster.testarrayofstring(at: 1), "test2")
XCTAssertEqual(monster.testbool, true)
let array = monster.nameSegmentArray
XCTAssertEqual(String(bytes: array ?? [], encoding: .utf8), "MyMonster")
if 0 == monster.testarrayofboolsCount {
XCTAssertEqual(monster.testarrayofbools.isEmpty, true)
} else {
XCTAssertEqual(monster.testarrayofbools.isEmpty, false)
}
}
func readObjectApi(monster: MyGame.Example.MonsterT) {
XCTAssertEqual(monster.hp, 80)
XCTAssertEqual(monster.mana, 150)
XCTAssertEqual(monster.name, "MyMonster")
let pos = monster.pos
XCTAssertEqual(pos?.x, 1)
XCTAssertEqual(pos?.y, 2)
XCTAssertEqual(pos?.z, 3)
XCTAssertEqual(pos?.test1, 3)
XCTAssertEqual(pos?.test2, .green)
let test = pos?.test3
XCTAssertEqual(test?.a, 5)
XCTAssertEqual(test?.b, 6)
let monster2 = monster.test?.value as? MyGame.Example.MonsterT
XCTAssertEqual(monster2?.name, "Fred")
XCTAssertEqual(monster.mana, 150)
monster.mana = 10
XCTAssertEqual(monster.mana, 10)
monster.mana = 150
XCTAssertEqual(monster.mana, 150)
XCTAssertEqual(monster.inventory.count, 5)
var sum: Byte = 0
for i in monster.inventory {
sum += i
}
XCTAssertEqual(sum, 10)
XCTAssertEqual(monster.test4.count, 2)
let test0 = monster.test4[0]
let test1 = monster.test4[1]
var sum0 = 0
var sum1 = 0
if let a = test0?.a, let b = test0?.b {
sum0 = Int(a) + Int(b)
}
if let a = test1?.a, let b = test1?.b {
sum1 = Int(a) + Int(b)
}
XCTAssertEqual(sum0 + sum1, 100)
XCTAssertEqual(monster.testbool, true)
}
}
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