public void AccessorRawMemoryMappingTest() { var filename = "TeaFileTTest_AccessorRawMemoryMappingTest.tea"; using (TeaFile <Tick> .Create(filename)) { // an empty file holding the description is enough for this test } Executing.This(() => TeaFile <OHLCV> .OpenRawMemoryMapping(filename)).Should().Throw <TypeMismatchException>(); }