blob: 7543873d201122ed194ad935a25de01358c60295 [file] [log] [blame]
// RUN: %target-run-simple-swift
// REQUIRES: executable_test
// REQUIRES: objc_interop
// UNSUPPORTED: OS=watchos
import StdlibUnittest
import StdlibCollectionUnittest
import CoreAudio
// Used in tests below.
extension AudioBuffer : Equatable {}
public func == (lhs: AudioBuffer, rhs: AudioBuffer) -> Bool {
return lhs.mNumberChannels == rhs.mNumberChannels &&
lhs.mDataByteSize == rhs.mDataByteSize &&
lhs.mData == rhs.mData
}
var CoreAudioTestSuite = TestSuite("CoreAudio")
// The size of the non-flexible part of an AudioBufferList.
#if arch(i386) || arch(arm)
let ablHeaderSize = 4
#elseif arch(x86_64) || arch(arm64)
let ablHeaderSize = 8
#endif
CoreAudioTestSuite.test("UnsafeBufferPointer.init(_: AudioBuffer)") {
do {
let audioBuffer = AudioBuffer(
mNumberChannels: 0, mDataByteSize: 0, mData: nil)
let result: UnsafeBufferPointer<Float> = UnsafeBufferPointer(audioBuffer)
expectEqual(nil, result.baseAddress)
expectEqual(0, result.count)
}
do {
let audioBuffer = AudioBuffer(
mNumberChannels: 2, mDataByteSize: 1024,
mData: UnsafeMutableRawPointer(bitPattern: 0x1234_5678))
let result: UnsafeBufferPointer<Float> = UnsafeBufferPointer(audioBuffer)
expectEqual(audioBuffer.mData, UnsafeRawPointer(result.baseAddress!))
expectEqual(256, result.count)
}
}
CoreAudioTestSuite.test("UnsafeMutableBufferPointer.init(_: AudioBuffer)") {
do {
let audioBuffer = AudioBuffer(
mNumberChannels: 0, mDataByteSize: 0, mData: nil)
let result: UnsafeMutableBufferPointer<Float> =
UnsafeMutableBufferPointer(audioBuffer)
expectEqual(nil, result.baseAddress)
expectEqual(0, result.count)
}
do {
let audioBuffer = AudioBuffer(
mNumberChannels: 2, mDataByteSize: 1024,
mData: UnsafeMutableRawPointer(bitPattern: 0x1234_5678))
let result: UnsafeMutableBufferPointer<Float> =
UnsafeMutableBufferPointer(audioBuffer)
expectEqual(audioBuffer.mData!, UnsafeMutableRawPointer(result.baseAddress!))
expectEqual(256, result.count)
}
}
CoreAudioTestSuite.test(
"AudioBuffer.init(_: UnsafeMutableBufferPointer, numberOfChannels: Int)") {
do {
// NULL pointer.
let buffer = UnsafeMutableBufferPointer<Float>(start: nil, count: 0)
let result = AudioBuffer(buffer, numberOfChannels: 2)
expectEqual(2, result.mNumberChannels)
expectEqual(0, result.mDataByteSize)
expectEqual(nil, result.mData)
}
do {
// Non-NULL pointer.
let buffer = UnsafeMutableBufferPointer<Float>(
start: UnsafeMutablePointer<Float>(bitPattern: 0x1234_5678), count: 0)
let result = AudioBuffer(buffer, numberOfChannels: 2)
expectEqual(2, result.mNumberChannels)
expectEqual(0, result.mDataByteSize)
expectEqual(buffer.baseAddress, result.mData)
}
}
CoreAudioTestSuite.test(
"AudioBuffer.init(_: UnsafeMutableBufferPointer, numberOfChannels: Int)/trap") {
#if arch(i386) || arch(arm)
let overflowingCount = Int.max
#elseif arch(x86_64) || arch(arm64)
let overflowingCount = Int(UInt32.max)
#endif
let buffer = UnsafeMutableBufferPointer<Float>(
start: UnsafeMutablePointer<Float>(bitPattern: 0x1234_5678),
count: overflowingCount)
expectCrashLater()
// An overflow happens when we try to compute the value for mDataByteSize.
_ = AudioBuffer(buffer, numberOfChannels: 2)
}
CoreAudioTestSuite.test("AudioBufferList.sizeInBytes(maximumBuffers: Int)") {
expectEqual(ablHeaderSize + MemoryLayout<AudioBuffer>.stride,
AudioBufferList.sizeInBytes(maximumBuffers: 1))
expectEqual(ablHeaderSize + 16 * MemoryLayout<AudioBuffer>.stride,
AudioBufferList.sizeInBytes(maximumBuffers: 16))
}
CoreAudioTestSuite.test("AudioBufferList.sizeInBytes(maximumBuffers: Int)/trap/count<0") {
expectCrashLater()
_ = AudioBufferList.sizeInBytes(maximumBuffers: -1)
}
CoreAudioTestSuite.test("AudioBufferList.sizeInBytes(maximumBuffers: Int)/trap/count==0") {
expectCrashLater()
_ = AudioBufferList.sizeInBytes(maximumBuffers: -1)
}
CoreAudioTestSuite.test("AudioBufferList.sizeInBytes(maximumBuffers: Int)/trap/overflow") {
expectCrashLater()
_ = AudioBufferList.sizeInBytes(maximumBuffers: Int.max)
}
CoreAudioTestSuite.test("AudioBufferList.allocate(maximumBuffers: Int)") {
do {
let ablPtrWrapper = AudioBufferList.allocate(maximumBuffers: 1)
expectEqual(1, ablPtrWrapper.count)
free(ablPtrWrapper.unsafeMutablePointer)
}
do {
let ablPtrWrapper = AudioBufferList.allocate(maximumBuffers: 16)
expectEqual(16, ablPtrWrapper.count)
free(ablPtrWrapper.unsafeMutablePointer)
}
}
CoreAudioTestSuite.test("AudioBufferList.allocate(maximumBuffers: Int)/trap/count==0") {
expectCrashLater()
_ = AudioBufferList.allocate(maximumBuffers: 0)
}
CoreAudioTestSuite.test("AudioBufferList.allocate(maximumBuffers: Int)/trap/count<0") {
expectCrashLater()
_ = AudioBufferList.allocate(maximumBuffers: -1)
}
CoreAudioTestSuite.test("AudioBufferList.allocate(maximumBuffers: Int)/trap/overflow") {
expectCrashLater()
_ = AudioBufferList.allocate(maximumBuffers: Int.max)
}
CoreAudioTestSuite.test("UnsafeMutableAudioBufferListPointer/AssociatedTypes") {
typealias Subject = UnsafeMutableAudioBufferListPointer
expectRandomAccessCollectionAssociatedTypes(
collectionType: Subject.self,
iteratorType: IndexingIterator<Subject>.self,
subSequenceType: MutableRandomAccessSlice<Subject>.self,
indexType: Int.self,
indicesType: CountableRange<Int>.self)
}
CoreAudioTestSuite.test(
"UnsafeMutableAudioBufferListPointer.init(_: UnsafeMutablePointer<AudioBufferList>)," +
"UnsafeMutableAudioBufferListPointer.unsafePointer," +
"UnsafeMutableAudioBufferListPointer.unsafeMutablePointer") {
do {
let ablPtrWrapper = UnsafeMutableAudioBufferListPointer(nil)
expectNil(ablPtrWrapper)
}
do {
let ablPtrWrapper = UnsafeMutableAudioBufferListPointer(
UnsafeMutablePointer<AudioBufferList>(bitPattern: 0x1234_5678)!)
expectEqual(
UnsafePointer<AudioBufferList>(bitPattern: 0x1234_5678),
ablPtrWrapper.unsafePointer)
expectEqual(
UnsafePointer<AudioBufferList>(bitPattern: 0x1234_5678),
ablPtrWrapper.unsafeMutablePointer)
}
do {
let ablPtrWrapper = UnsafeMutableAudioBufferListPointer(
UnsafeMutablePointer<AudioBufferList>(bitPattern: 0x1234_5678))
expectNotNil(ablPtrWrapper)
expectEqual(
UnsafePointer<AudioBufferList>(bitPattern: 0x1234_5678),
ablPtrWrapper!.unsafePointer)
expectEqual(
UnsafePointer<AudioBufferList>(bitPattern: 0x1234_5678),
ablPtrWrapper!.unsafeMutablePointer)
}
}
CoreAudioTestSuite.test("UnsafeMutableAudioBufferListPointer.count") {
let sizeInBytes = AudioBufferList.sizeInBytes(maximumBuffers: 16)
let rawPtr = UnsafeMutableRawPointer.allocate(
byteCount: sizeInBytes, alignment: MemoryLayout<AudioBufferList>.alignment)
let ablPtr = rawPtr.bindMemory(to: AudioBufferList.self,
capacity: sizeInBytes / MemoryLayout<AudioBufferList>.stride)
// It is important that 'ablPtrWrapper' is a 'let'. We are verifying that
// the 'count' property has a nonmutating setter.
let ablPtrWrapper = UnsafeMutableAudioBufferListPointer(ablPtr)
// Test getter.
rawPtr.storeBytes(of: 0x1234_5678, as: UInt32.self)
expectEqual(0x1234_5678, ablPtrWrapper.count)
// Test setter.
ablPtrWrapper.count = 0x7765_4321
expectEqual(0x7765_4321, rawPtr.load(as: UInt32.self))
rawPtr.deallocate()
}
CoreAudioTestSuite.test("UnsafeMutableAudioBufferListPointer.subscript(_: Int)") {
let sizeInBytes = AudioBufferList.sizeInBytes(maximumBuffers: 16)
let rawPtr = UnsafeMutableRawPointer.allocate(
byteCount: sizeInBytes, alignment: 1)
let ablPtr = rawPtr.bindMemory(
to: AudioBufferList.self,
capacity: sizeInBytes / MemoryLayout<AudioBufferList>.stride)
// It is important that 'ablPtrWrapper' is a 'let'. We are verifying that
// the subscript has a nonmutating setter.
let ablPtrWrapper = UnsafeMutableAudioBufferListPointer(ablPtr)
do {
// Test getter.
let audioBuffer = AudioBuffer(
mNumberChannels: 2, mDataByteSize: 1024,
mData: UnsafeMutableRawPointer(bitPattern: 0x1234_5678))
let bufPtr = (rawPtr + ablHeaderSize).assumingMemoryBound(
to: AudioBuffer.self)
bufPtr.pointee = audioBuffer
ablPtrWrapper.count = 1
expectEqual(2, ablPtrWrapper[0].mNumberChannels)
expectEqual(1024, ablPtrWrapper[0].mDataByteSize)
expectEqual(audioBuffer.mData, ablPtrWrapper[0].mData)
}
do {
// Test setter.
let audioBuffer = AudioBuffer(
mNumberChannels: 5, mDataByteSize: 256,
mData: UnsafeMutableRawPointer(bitPattern: 0x8765_4321 as UInt))
ablPtrWrapper.count = 2
ablPtrWrapper[1] = audioBuffer
let audioBufferPtr = (rawPtr + ablHeaderSize).assumingMemoryBound(
to: AudioBuffer.self) + 1
expectEqual(5, audioBufferPtr.pointee.mNumberChannels)
expectEqual(256, audioBufferPtr.pointee.mDataByteSize)
expectEqual(audioBuffer.mData, audioBufferPtr.pointee.mData)
}
ablPtr.deallocate()
}
CoreAudioTestSuite.test("UnsafeMutableAudioBufferListPointer.subscript(_: Int)/trap") {
let ablPtrWrapper = AudioBufferList.allocate(maximumBuffers: 4)
ablPtrWrapper[0].mNumberChannels = 42
ablPtrWrapper[1].mNumberChannels = 42
ablPtrWrapper[2].mNumberChannels = 42
ablPtrWrapper[3].mNumberChannels = 42
expectCrashLater()
ablPtrWrapper[4].mNumberChannels = 42
}
CoreAudioTestSuite.test("UnsafeMutableAudioBufferListPointer/Collection") {
var ablPtrWrapper = AudioBufferList.allocate(maximumBuffers: 16)
expectType(UnsafeMutableAudioBufferListPointer.self, &ablPtrWrapper)
var expected: [AudioBuffer] = []
for i in 0..<16 {
let audioBuffer = AudioBuffer(
mNumberChannels: UInt32(2 + i), mDataByteSize: UInt32(1024 * i),
mData: UnsafeMutableRawPointer(bitPattern: 0x1234_5678 + i * 10))
ablPtrWrapper[i] = audioBuffer
expected.append(audioBuffer)
}
// FIXME: use checkMutableRandomAccessCollection, when we have that function.
checkRandomAccessCollection(expected, ablPtrWrapper)
free(ablPtrWrapper.unsafeMutablePointer)
}
runAllTests()