172   constexpr unsigned BufferSize = 6 + 8; // "hello\0" + sizeof(uint64_t)  in TEST()  local
174   char Buffer[BufferSize];  in TEST()
175   memset(Buffer, 0, BufferSize);  in TEST()
177   SPSOutputBuffer OB(Buffer, BufferSize);  in TEST()
181   SPSInputBuffer IB(Buffer, BufferSize);  in TEST()
188   EXPECT_LT(HelloIn.data() - Buffer, BufferSize);  in TEST()
196   constexpr unsigned BufferSize = sizeof(uint64_t);  in TEST()  local
197   char Buffer[BufferSize];  in TEST()
198   memset(Buffer, 0, BufferSize);  in TEST()
201   SPSOutputBuffer OB(Buffer, BufferSize);  in TEST()
205   SPSInputBuffer IB(Buffer, BufferSize);  in TEST()
217   constexpr unsigned BufferSize = sizeof(uint64_t);  in TEST()  local
218   char Buffer[BufferSize];  in TEST()
219   memset(Buffer, 0, BufferSize);  in TEST()
222   SPSOutputBuffer OB(Buffer, BufferSize);  in TEST()
226   SPSInputBuffer IB(Buffer, BufferSize);  in TEST()