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// unit-test-riff.cpp
#include "../../source/core/slang-riff.h"
#include "../../source/core/slang-random-generator.h"
#include "tools/unit-test/slang-unit-test.h"
using namespace Slang;
static void _writeRandom(RandomGenerator* rand, size_t maxSize, RiffContainer& ioContainer, List<uint8_t>& ioData)
{
while (true)
{
const Index oldCount = ioData.getCount();
const size_t allocSize = size_t(rand->nextInt32InRange(1, 50));
if (allocSize + oldCount > maxSize)
{
break;
}
ioData.setCount(oldCount + Index(allocSize));
rand->nextData(ioData.getBuffer() + oldCount, allocSize);
// Write
ioContainer.write(ioData.getBuffer() + oldCount, allocSize);
}
// Should be a single block with same data as the List
RiffContainer::DataChunk* dataChunk = as<RiffContainer::DataChunk>(ioContainer.getCurrentChunk());
SLANG_ASSERT(dataChunk);
}
SLANG_UNIT_TEST(riff)
{
typedef RiffContainer::ScopeChunk ScopeChunk;
typedef RiffContainer::Chunk::Kind Kind;
const FourCC markThings = SLANG_FOUR_CC('T', 'H', 'I', 'N');
const FourCC markData = SLANG_FOUR_CC('D', 'A', 'T', 'A');
{
RiffContainer container;
{
ScopeChunk scopeContainer(&container, Kind::List, markThings);
{
ScopeChunk scopeChunk(&container, Kind::Data, markData);
const char hello[] = "Hello ";
const char world[] = "World!";
container.write(hello, sizeof(hello));
container.write(world, sizeof(world));
}
{
ScopeChunk scopeChunk(&container, Kind::Data, markData);
const char test0[] = "Testing... ";
const char test1[] = "Testing!";
container.write(test0, sizeof(test0));
container.write(test1, sizeof(test1));
}
{
ScopeChunk innerScopeContainer(&container, Kind::List, markThings);
{
ScopeChunk scopeChunk(&container, Kind::Data, markData);
const char another[] = "Another?";
container.write(another, sizeof(another));
}
}
}
SLANG_CHECK(container.isFullyConstructed());
SLANG_CHECK(RiffContainer::isChunkOk(container.getRoot()));
{
StringBuilder builder;
{
StringWriter writer(&builder, 0);
RiffUtil::dump(container.getRoot(), &writer);
}
{
OwnedMemoryStream stream(FileAccess::ReadWrite);
SLANG_CHECK(SLANG_SUCCEEDED(RiffUtil::write(container.getRoot(), true, &stream)));
stream.seek(SeekOrigin::Start, 0);
RiffContainer readContainer;
SLANG_CHECK(SLANG_SUCCEEDED(RiffUtil::read(&stream, readContainer)));
// Dump the read contents
StringBuilder readBuilder;
{
StringWriter writer(&readBuilder, 0);
RiffUtil::dump(readContainer.getRoot(), &writer);
}
// They should be the same
SLANG_CHECK(readBuilder == builder);
}
}
}
// Test writing as a stream only allocates a single data block (as long as there is enough space).
{
RiffContainer container;
ScopeChunk scopeChunk(&container, Kind::List, markData);
{
ScopeChunk scopeChunk(&container, Kind::Data, markData);
RefPtr<RandomGenerator> rand = RandomGenerator::create(0x345234);
List<uint8_t> data;
_writeRandom(rand, container.getMemoryArena().getBlockPayloadSize() / 2, container, data);
// Should be a single block with same data as the List
RiffContainer::DataChunk* dataChunk = as<RiffContainer::DataChunk>(container.getCurrentChunk());
SLANG_ASSERT(dataChunk);
// It should be a single block
SLANG_CHECK(dataChunk->getSingleData() != nullptr);
SLANG_CHECK(dataChunk->isEqual(data.getBuffer(), data.getCount()));
}
}
// Test writing across multiple data blocks
{
RefPtr<RandomGenerator> rand = RandomGenerator::create(0x345234);
for (Int i = 0 ; i < 100; ++i)
{
RiffContainer container;
const size_t maxSize = rand->nextInt32InRange(1, int32_t(container.getMemoryArena().getBlockPayloadSize() * 3));
ScopeChunk scopeChunk(&container, Kind::List, markData);
{
ScopeChunk scopeChunk(&container, Kind::Data, markData);
List<uint8_t> data;
_writeRandom(rand, maxSize, container, data);
// Should be a single block with same data as the List
RiffContainer::DataChunk* dataChunk = as<RiffContainer::DataChunk>(container.getCurrentChunk());
SLANG_CHECK(dataChunk && dataChunk->isEqual(data.getBuffer(), data.getCount()));
}
}
}
#if 0
{
RiffContainer container;
{
FileStream readStream("ambient-drop.wav", FileMode::Open, FileAccess::Read, FileShare::ReadWrite);
SLANG_CHECK(SLANG_SUCCEEDED(RiffUtil::read(&readStream, container)));
RiffUtil::dump(container.getRoot(), StdWriters::getOut());
}
// Write it
{
FileStream writeStream("check.wav", FileMode::Create, FileAccess::Write, FileShare::ReadWrite);
SLANG_CHECK(SLANG_SUCCEEDED(RiffUtil::write(container.getRoot(), true, &writeStream)));
}
}
#endif
}
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