Method execute

tests/HostTests/modules/Files.cpp:10–141

	}

	void execute() override
	{
		const FlashString& testContent = Resource::README_md;

		debug_i("testContent.length = 0x%08x", testContent.length());

		DEFINE_FSTR_LOCAL(testFileName, "test.txt");

		int res, pos, size;

		{
			FileHandle file{-1};

			TEST_CASE("Initial position and size")
			{
				res = fileSetContent(testFileName, testContent);
				debug_i("fileSetContent() returned %d", res);
				REQUIRE(size_t(res) == testContent.length());
				file = fileOpen(testFileName, File::ReadWrite);
				size = fileSeek(file, 0, SeekOrigin::End);
				pos = fileSeek(file, 100, SeekOrigin::Start);
				debug_i("pos = %d, size = %d", pos, size);
				REQUIRE(pos == 100);
				REQUIRE(size_t(size) == testContent.length());
			}

			TEST_CASE("Reduce file sizes")
			{
				res = fileTruncate(file, 555);
				pos = fileTell(file);
				size = fileSeek(file, 0, SeekOrigin::End);
				debug_i("res = %d, pos = %d, size = %d", res, pos, size);
				REQUIRE(res == 0);
				REQUIRE(pos == 100);
				REQUIRE(size == 555);
			}

			TEST_CASE("Increase file size")
			{
				res = fileTruncate(file, 12345);
				size = fileSeek(file, 0, SeekOrigin::End);
				debug_i("res = %d, size = %d", res, size);
				REQUIRE(res < 0);
				REQUIRE(size == 555);
			}

			TEST_CASE("Close file")
			{
				fileClose(file);
				REQUIRE(fileTell(file) < 0);
			}
		}

		TEST_CASE("fileGetSize")
		{
			size = fileGetSize(testFileName);
			debug_i("size = %u", size);
			REQUIRE(size == 555);