Function streamPosition

edrav2/iprj/libcore/test/test_stream.cpp:221–394

//
//
void streamPosition(ObjPtr<io::IReadableStream> pStream)
{
	static const io::IoOffset nOffset = static_cast<io::IoOffset>(c_nStreamSize);

	// Test size for IReadableStream indirectly
	REQUIRE(pStream->getSize() == c_nStreamSize);

	SECTION("getPosition")
	{
		auto fn = [&]()
		{
			REQUIRE(pStream->getPosition() == 0);
		};
		REQUIRE_NOTHROW(fn());
	}


	SECTION("setPositionDefault")
	{
		auto fn1 = [&]()
		{
			REQUIRE(pStream->setPosition(nOffset / 2) == 0);
			REQUIRE(pStream->getPosition() == c_nStreamSize / 2);
		};
		REQUIRE_NOTHROW(fn1());

		auto fn2 = [&]()
		{
			REQUIRE(pStream->setPosition(nOffset) == c_nStreamSize / 2);
			REQUIRE(pStream->getPosition() == c_nStreamSize);
		};
		REQUIRE_NOTHROW(fn2());

		auto fn3 = [&]()
		{
			REQUIRE(pStream->setPosition(0) == c_nStreamSize);
			REQUIRE(pStream->getPosition() == 0);
		};
		REQUIRE_NOTHROW(fn3());
	}

	SECTION("setPositionDefaultFail")
	{
		auto fn = [&]()
		{
			pStream->setPosition(nOffset + 1);
		};
		REQUIRE_THROWS_AS(fn(), error::InvalidArgument);
	}


	SECTION("setPositionBegin")
	{
		auto fn1 = [&]()
		{
			REQUIRE(pStream->setPosition(nOffset / 2, io::StreamPos::Begin) == 0);
			REQUIRE(pStream->getPosition() == c_nStreamSize / 2);
		};