//-----------------------------------------------------------------------------
// Project     : VST SDK
//
// Category    : Helpers
// Filename    : public.sdk/source/vst/utility/test/ringbuffertest.cpp
// Created by  : Steinberg, 03/2018
// Description : Test ringbuffer
// Flags       : clang-format SMTGSequencer
//
//-----------------------------------------------------------------------------
// LICENSE
// (c) 2024, Steinberg Media Technologies GmbH, All Rights Reserved
//-----------------------------------------------------------------------------
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of the Steinberg Media Technologies nor the names of its
//     contributors may be used to endorse or promote products derived from this
//     software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
// OF THE POSSIBILITY OF SUCH DAMAGE.
//-----------------------------------------------------------------------------

#include "public.sdk/source/main/moduleinit.h"
#include "public.sdk/source/vst/utility/ringbuffer.h"
#include "public.sdk/source/vst/utility/testing.h"
#include "pluginterfaces/base/fstrdefs.h"

//------------------------------------------------------------------------
namespace Steinberg {
namespace Vst {

//------------------------------------------------------------------------
static ModuleInitializer InitRingbufferTests ([] () {
	registerTest ("RingBuffer", STR ("push until full"), [] (ITestResult*) {
		OneReaderOneWriter::RingBuffer<uint32> rb (4);
		if (!rb.push (0))
			return false;
		if (!rb.push (1))
			return false;
		if (!rb.push (2))
			return false;
		if (!rb.push (3))
			return false;
		if (!rb.push (4))
			return true;
		return false;
	});
	registerTest ("RingBuffer", STR ("pop until empty"), [] (ITestResult*) {
		OneReaderOneWriter::RingBuffer<uint32> rb (4);
		if (!rb.push (0))
			return false;
		if (!rb.push (1))
			return false;
		if (!rb.push (2))
			return false;
		if (!rb.push (3))
			return false;

		uint32 value;
		if (!rb.pop (value) || value != 0)
			return false;
		if (!rb.pop (value) || value != 1)
			return false;
		if (!rb.pop (value) || value != 2)
			return false;
		if (!rb.pop (value) || value != 3)
			return false;
		if (!rb.pop (value))
			return true;

		return false;
	});
	registerTest ("RingBuffer", STR ("roundtrip"), [] (ITestResult*) {
		OneReaderOneWriter::RingBuffer<uint32> rb (2);
		uint32 value;

		for (auto i = 0u; i < rb.size () * 2; ++i)
		{
			if (!rb.push (i))
				return false;
			if (!rb.pop (value) || value != i)
				return false;
		}
		return true;
	});

	registerTest ("RingBuffer", STR ("push multiple"), [] (ITestResult*) {
		OneReaderOneWriter::RingBuffer<uint32> rb (3);

		if (!rb.push ({32u, 64u}))
			return false;
		if (rb.push ({32u, 64u}))
			return false;
		uint32 value;
		if (!rb.pop (value))
			return false;
		if (!rb.pop (value))
			return false;
		if (rb.pop (value))
			return false;

		return true;
	});

});

//------------------------------------------------------------------------
} // Vst
} // Steinberg
