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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"><HTML><HEAD><TITLE>Tutorial: Basic unit testing </TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINKREL="HOME"TITLE="Check Tutorial"HREF="index.html"><LINKREL="PREVIOUS"TITLE="Unit testing in C "HREF="c33.html"><LINKREL="NEXT"TITLE="Setting up the money tests "HREF="x68.html"></HEAD><BODYCLASS="CHAPTER"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">Check Tutorial</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="c33.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="x68.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="CHAPTER"><H1><ANAME="AEN57"></A>Chapter 3. Tutorial: Basic unit testing </H1><P>This tutorial will use the JUnit Test Infected article (see <AHREF="http://members.pingnet.ch/gamma/junit.htm"TARGET="_top">Test Infected</A>) as a starting point. We will be creating a library to represent money, allowing conversions between different currency types. The development style will be “test a little, code a little” with unit test writing preceding coding. This constantly gives us insights into module usage, and also makes sure we are constantly thinking about how to test our code. </P><DIVCLASS="SECTION"><H1CLASS="SECTION"><ANAME="AEN61">3.1. How to write a test</A></H1><P>Test writing using Check is very simple. The file in which the checks are defined must include check.h as so: </P><PRECLASS="PROGRAMLISTING">#include <check.h></PRE><P>The basic unit test looks as follows: </P><PRECLASS="PROGRAMLISTING">START_TEST (test_name){ /* unit test code */}END_TEST</PRE><P>The START_TEST/END_TEST pair are macros that setup basic structures to permit testing. It is a mistake to leave off the END_TEST marker; doing so produces all sorts of strange errors when the check is compiled. </P></DIV></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="c33.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="index.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="x68.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">Unit testing in C</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"> </TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">Setting up the money tests</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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