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Add a test for BGM_Device::DoIOOperation.

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Kyle Neideck 2018-02-24 21:44:09 +11:00
parent 3ba53a50ac
commit 7171cfcb78
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GPG key ID: CAA8D9B8E39EC18C
1 changed files with 104 additions and 24 deletions
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128
BGMDriver/BGMDriverTests/BGM_DeviceTests.mm
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@ -36,7 +36,36 @@
#include <stdexcept>
@interface BGM_DeviceTests : XCTestCase
// Subclass BGM_Device to add some test-only functions.
class TestBGM_Device
:
public BGM_Device
{
public:
TestBGM_Device();
~TestBGM_Device() = default;
};
TestBGM_Device::TestBGM_Device()
:
BGM_Device(kObjectID_Device,
CFSTR(kDeviceName),
CFSTR(kBGMDeviceUID),
CFSTR(kBGMDeviceModelUID),
kObjectID_Stream_Input,
kObjectID_Stream_Output,
kObjectID_Volume_Output_Master,
kObjectID_Mute_Output_Master)
{
Activate();
}
@interface BGM_DeviceTests : XCTestCase {
TestBGM_Device* testDevice;
}
@end
@ -45,29 +74,79 @@
- (void) setUp {
[super setUp];
testDevice = new TestBGM_Device();
}
- (void) tearDown {
// Reminder: add code here, above the super call
delete testDevice;
[super tearDown];
}
- (void) testDoIOOperation_writeMix_readInput {
// The number of audio frames to send/receive in the IO operations.
const int kFrameSize = 512;
// Choose a sample time that will make the data wrap around to the start of the device's
// internal ring buffer.
AudioServerPlugInIOCycleInfo cycleInfo {};
cycleInfo.mOutputTime.mSampleTime = kLoopbackRingBufferFrameSize - 25.0;
// Generate the test input data.
Float32 inputBuffer[kFrameSize * 2];
for(int i = 0; i < kFrameSize * 2; i++)
{
inputBuffer[i] = static_cast<Float32>(i);
}
// Send a copy of the input buffer just in case DoIOOperation modifies the data for some reason.
Float32 inputBufferCopy[kFrameSize * 2];
memcpy(inputBufferCopy, inputBuffer, sizeof(inputBuffer));
// Send the input data to the device.
testDevice->DoIOOperation(/* inStreamObjectID = */ kObjectID_Stream_Output,
/* inClientID = */ 0,
/* inOperationID = */ kAudioServerPlugInIOOperationWriteMix,
/* inIOBufferFrameSize = */ kFrameSize,
/* inIOCycleInfo = */ cycleInfo,
/* ioMainBuffer = */ inputBuffer,
/* ioSecondaryBuffer = */ nullptr);
// Request data from the same point in time so we get the same data back.
cycleInfo.mInputTime.mSampleTime = kLoopbackRingBufferFrameSize - 25.0;
// Read the data back from the device.
Float32 outputBuffer[kFrameSize * 2];
testDevice->DoIOOperation(/* inStreamObjectID = */ kObjectID_Stream_Output,
/* inClientID = */ 0,
/* inOperationID = */ kAudioServerPlugInIOOperationReadInput,
/* inIOBufferFrameSize = */ kFrameSize,
/* inIOCycleInfo = */ cycleInfo,
/* ioMainBuffer = */ outputBuffer,
/* ioSecondaryBuffer = */ nullptr);
// Check the output matches the input.
for(int i = 0; i < kFrameSize * 2; i++)
{
XCTAssertEqual(inputBuffer[i], outputBuffer[i]);
}
}
- (void) testCustomPropertyMusicPlayerBundleID {
BGM_Device& device = BGM_Device::GetInstance();
// Convenience wrappers
auto getBundleID = [&](UInt32 inDataSize = sizeof(CFStringRef)){
CFStringRef bundleID = NULL;
CFStringRef bundleID = nullptr;
UInt32 outDataSize;
device.GetPropertyData(/* inObjectID = */ kObjectID_Device,
/* inClientPID = */ 3,
/* inAddress = */ kBGMMusicPlayerBundleIDAddress,
/* inQualifierDataSize = */ 0,
/* inQualifierData = */ NULL,
/* inDataSize = */ inDataSize,
/* outDataSize = */ outDataSize,
/* outData = */ reinterpret_cast<void* __nonnull>(&bundleID));
testDevice->GetPropertyData(/* inObjectID = */ kObjectID_Device,
/* inClientPID = */ 3,
/* inAddress = */ kBGMMusicPlayerBundleIDAddress,
/* inQualifierDataSize = */ 0,
/* inQualifierData = */ nullptr,
/* inDataSize = */ inDataSize,
/* outDataSize = */ outDataSize,
/* outData = */ reinterpret_cast<void* __nonnull>(&bundleID));
// This isn't technically required, but we're unlikely to ever want to return any more/less data from GetPropertyData.
XCTAssertEqual(outDataSize, sizeof(CFStringRef));
@ -76,13 +155,13 @@
};
auto setBundleID = [&](const CFStringRef* __nullable bundleID, UInt32 dataSize = sizeof(CFStringRef)){
device.SetPropertyData(/* inObjectID = */ kObjectID_Device,
/* inClientPID = */ 1234,
/* inAddress = */ kBGMMusicPlayerBundleIDAddress,
/* inQualifierDataSize = */ 0,
/* inQualifierData = */ NULL,
/* inDataSize = */ dataSize,
/* inData = */ reinterpret_cast<const void* __nonnull>(bundleID));
testDevice->SetPropertyData(/* inObjectID = */ kObjectID_Device,
/* inClientPID = */ 1234,
/* inAddress = */ kBGMMusicPlayerBundleIDAddress,
/* inQualifierDataSize = */ 0,
/* inQualifierData = */ nullptr,
/* inDataSize = */ dataSize,
/* inData = */ reinterpret_cast<const void* __nonnull>(bundleID));
};
// Should be set to the empty string by default.
@ -103,11 +182,12 @@
// Arguments should be null-checked.
BGMShouldThrow<std::runtime_error>(self, [&](){
UInt32 outDataSize;
device.GetPropertyData(kObjectID_Device, 0, kBGMMusicPlayerBundleIDAddress, 0, NULL, sizeof(CFStringRef),
outDataSize, /* outData = */ reinterpret_cast<void* __nonnull>(NULL));
testDevice->GetPropertyData(kObjectID_Device, 0, kBGMMusicPlayerBundleIDAddress, 0, nullptr,
sizeof(CFStringRef), outDataSize,
/* outData = */ reinterpret_cast<void* __nonnull>(NULL));
});
BGMShouldThrow<std::runtime_error>(self, [&](){
setBundleID(NULL);
setBundleID(nullptr);
});
// Invalid data should be rejected.
@ -115,7 +195,7 @@
setBundleID((CFStringRef*)&kCFNull);
});
BGMShouldThrow<CAException>(self, [&](){
CFStringRef nullRef = NULL;
CFStringRef nullRef = nullptr;
setBundleID(&nullRef);
});
BGMShouldThrow<CAException>(self, [&](){