@Test
public void writeLineWithDoubleShouldDelegateToWriter() throws Exception {

	givenCSVLoggerIsCreated();
	givenWriterManagerReturnsWriterMock();
	givenCSVLoggerIsOpen();
	double inputDouble = 17.0;
	csvLogger.writeLine(inputDouble);
	thenWriterShouldWriteLine("" + inputDouble);
}