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/*
* Copyright 2021 Google Inc. All rights reserved.
*
* 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
*
* http://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 XCTest
@testable import FlatBuffers
final class FlatBuffersVectors: XCTestCase {
func testCreatingTwoCountries() {
let norway = "Norway"
let denmark = "Denmark"
var b = FlatBufferBuilder(initialSize: 20)
let noStr = b.create(string: norway)
let deStr = b.create(string: denmark)
let n = Country.createCountry(
builder: &b,
offset: noStr,
log: 888,
lan: 700)
let d = Country.createCountry(
builder: &b,
offset: deStr,
log: 200,
lan: 100)
let vector = [n, d]
let vectorOffset = b.createVector(ofOffsets: vector)
b.finish(offset: vectorOffset)
// swiftformat:disable all
XCTAssertEqual(b.sizedByteArray, [4, 0, 0, 0, 2, 0, 0, 0, 48, 0, 0, 0, 16, 0, 0, 0, 0, 0, 10, 0, 18, 0, 4, 0, 8, 0, 12, 0, 10, 0, 0, 0, 40, 0, 0, 0, 100, 0, 0, 0, 200, 0, 0, 0, 0, 0, 10, 0, 16, 0, 4, 0, 8, 0, 12, 0, 10, 0, 0, 0, 24, 0, 0, 0, 188, 2, 0, 0, 120, 3, 0, 0, 7, 0, 0, 0, 68, 101, 110, 109, 97, 114, 107, 0, 6, 0, 0, 0, 78, 111, 114, 119, 97, 121, 0, 0])
// swiftformat:enable all
}
func testCreateIntArray() {
let numbers: [Int32] = [1, 2, 3, 4, 5]
var b = FlatBufferBuilder(initialSize: 20)
let o = b.createVector(numbers, size: numbers.count)
b.finish(offset: o)
// swiftformat:disable all
XCTAssertEqual(b.sizedByteArray, [4, 0, 0, 0, 5, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 4, 0, 0, 0, 5, 0, 0, 0])
// swiftformat:enable all
}
func testCreateEmptyIntArray() {
let numbers: [Int32] = []
var b = FlatBufferBuilder(initialSize: 20)
let o = b.createVector(numbers, size: numbers.count)
b.finish(offset: o)
XCTAssertEqual(b.sizedByteArray, [4, 0, 0, 0, 0, 0, 0, 0])
}
func testCreateVectorOfStrings() {
let strs = ["Denmark", "Norway"]
var b = FlatBufferBuilder(initialSize: 20)
let o = b.createVector(ofStrings: strs)
b.finish(offset: o)
// swiftformat:disable all
XCTAssertEqual(b.sizedByteArray, [4, 0, 0, 0, 2, 0, 0, 0, 20, 0, 0, 0, 4, 0, 0, 0, 6, 0, 0, 0, 78, 111, 114, 119, 97, 121, 0, 0, 7, 0, 0, 0, 68, 101, 110, 109, 97, 114, 107, 0])
// swiftformat:enable all
}
func testCreateSharedStringVector() {
let norway = "Norway"
let denmark = "Denmark"
var b = FlatBufferBuilder(initialSize: 20)
let noStr = b.createShared(string: norway)
let deStr = b.createShared(string: denmark)
let _noStr = b.createShared(string: norway)
let _deStr = b.createShared(string: denmark)
let v = [noStr, deStr, _noStr, _deStr]
let end = b.createVector(ofOffsets: v)
b.finish(offset: end)
// swiftformat:disable all
XCTAssertEqual(b.sizedByteArray, [4, 0, 0, 0, 4, 0, 0, 0, 28, 0, 0, 0, 12, 0, 0, 0, 20, 0, 0, 0, 4, 0, 0, 0, 7, 0, 0, 0, 68, 101, 110, 109, 97, 114, 107, 0, 6, 0, 0, 0, 78, 111, 114, 119, 97, 121, 0, 0])
// swiftformat:enable all
}
func testReadInt32Array() {
let data: [Int32] = [1, 2, 3, 4, 5]
var b = FlatBufferBuilder(initialSize: 20)
let v = Numbers.createNumbersVector(b: &b, array: data)
let end = Numbers.createNumbers(b: &b, o: v)
b.finish(offset: end)
let number = Numbers.getRootAsNumbers(ByteBuffer(bytes: b.sizedByteArray))
XCTAssertEqual(number.vArrayInt32, [1, 2, 3, 4, 5])
}
func testReadDoubleArray() {
let data: [Double] = [1, 2, 3, 4, 5]
var b = FlatBufferBuilder(initialSize: 20)
let v = Numbers.createNumbersVector(b: &b, array: data)
let end = Numbers.createNumbers(b: &b, o: v)
b.finish(offset: end)
let number = Numbers.getRootAsNumbers(ByteBuffer(bytes: b.sizedByteArray))
XCTAssertEqual(number.vArrayDouble, [1, 2, 3, 4, 5])
}
func testHasForArray() {
var builder = FlatBufferBuilder(initialSize: 20)
let emptyVector = [UInt8]()
let emptyOffset = builder.createVector(emptyVector)
let nonEmptyVector = [1, 2, 3]
let nonEmptyVectorOffest = builder.createVector(nonEmptyVector)
let start = Swift_Tests_Vectors.startVectors(&builder)
Swift_Tests_Vectors.addVectorOf(empty: emptyOffset, &builder)
Swift_Tests_Vectors.addVectorOf(array: nonEmptyVectorOffest, &builder)
let finish = Swift_Tests_Vectors.endVectors(&builder, start: start)
builder.finish(offset: finish)
let msg = Swift_Tests_Vectors.getRootAsVectors(bb: ByteBuffer(bytes: builder.sizedByteArray))
XCTAssertEqual(msg.hasNone, false)
XCTAssertEqual(msg.hasEmpty, true)
XCTAssertEqual(msg.emptyCount, 0)
XCTAssertEqual(msg.hasArray, true)
XCTAssertEqual(msg.arrayCount, 3)
XCTAssertEqual(msg.array, [1, 2, 3])
}
}
struct Numbers {
private var __t: Table
private init(_ t: Table) {
__t = t
}
@inlinable
static func getRootAsNumbers(_ bb: ByteBuffer) -> Numbers {
Numbers(Table(
bb: bb,
position: Int32(bb.read(def: UOffset.self, position: 0))))
}
var vArrayInt: [Int]? { __t.getVector(at: 4) }
var vArrayInt32: [Int32]? { __t.getVector(at: 4) }
var vArrayDouble: [Double]? { __t.getVector(at: 4) }
var vArrayFloat: [Float32]? { __t.getVector(at: 4) }
static func createNumbersVector(
b: inout FlatBufferBuilder,
array: [Int]) -> Offset
{
b.createVector(array, size: array.count)
}
static func createNumbersVector(
b: inout FlatBufferBuilder,
array: [Int32]) -> Offset
{
b.createVector(array, size: array.count)
}
static func createNumbersVector(
b: inout FlatBufferBuilder,
array: [Double]) -> Offset
{
b.createVector(array, size: array.count)
}
static func createNumbersVector(
b: inout FlatBufferBuilder,
array: [Float32]) -> Offset
{
b.createVector(array, size: array.count)
}
static func createNumbers(b: inout FlatBufferBuilder, o: Offset) -> Offset {
let start = b.startTable(with: 1)
b.add(offset: o, at: 4)
return Offset(offset: b.endTable(at: start))
}
}
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