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<h1>thread1.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <<a class="code" href="thread_8h.html">cc++/thread.h</a>></span>
<a name="l00002"></a>00002 <span class="preprocessor">#include <cstdio></span>
<a name="l00003"></a>00003
<a name="l00004"></a>00004 <span class="preprocessor">#ifdef CCXX_NAMESPACES</span>
<a name="l00005"></a>00005 <span class="preprocessor"></span><span class="keyword">using namespace </span>ost;
<a name="l00006"></a>00006 <span class="preprocessor">#endif</span>
<a name="l00007"></a>00007 <span class="preprocessor"></span>
<a name="l00008"></a>00008 <span class="comment">// This is a little regression test</span>
<a name="l00009"></a>00009 <span class="comment">// </span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="keyword">class </span>ThreadTest: <span class="keyword">public</span> <a name="_a88"></a><a class="code" href="classost_1_1_thread.html">Thread</a>
<a name="l00012"></a>00012 {
<a name="l00013"></a>00013 <span class="keyword">public</span>:
<a name="l00014"></a>00014 ThreadTest();
<a name="l00015"></a>00015 <span class="keywordtype">void</span> <a name="a89"></a><a class="code" href="classost_1_1_thread.html#dd7d339d94b8a1ed2b2b0324a95b7e74">run</a>();
<a name="l00016"></a>00016 };
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="keyword">volatile</span> <span class="keywordtype">int</span> n = 0;
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="keywordtype">bool</span> WaitNValue(<span class="keywordtype">int</span> value)
<a name="l00021"></a>00021 {
<a name="l00022"></a>00022 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0;; ++i)
<a name="l00023"></a>00023 {
<a name="l00024"></a>00024 <span class="keywordflow">if</span> (n == value)
<a name="l00025"></a>00025 <span class="keywordflow">break</span>;
<a name="l00026"></a>00026 <span class="keywordflow">if</span> (i >= 100)
<a name="l00027"></a>00027 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00028"></a>00028 Thread::sleep(10);
<a name="l00029"></a>00029 }
<a name="l00030"></a>00030 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00031"></a>00031 }
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="keywordtype">bool</span> WaitChangeNValue(<span class="keywordtype">int</span> value)
<a name="l00034"></a>00034 {
<a name="l00035"></a>00035 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0;; ++i)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keywordflow">if</span> (n != value)
<a name="l00038"></a>00038 <span class="keywordflow">break</span>;
<a name="l00039"></a>00039 <span class="keywordflow">if</span> (i >= 100)
<a name="l00040"></a>00040 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00041"></a>00041 Thread::sleep(10);
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a>00046 ThreadTest::ThreadTest()
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="keywordtype">void</span> <a class="code" href="classost_1_1_thread.html#dd7d339d94b8a1ed2b2b0324a95b7e74">ThreadTest::run</a>()
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 setCancel(Thread::cancelDeferred);
<a name="l00053"></a>00053 n = 1;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">// wait for main thread</span>
<a name="l00056"></a>00056 <span class="keywordflow">if</span> (!WaitNValue(2)) <span class="keywordflow">return</span>;
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">// increment infinitely</span>
<a name="l00059"></a>00059 <span class="keywordflow">for</span>(;;)
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 yield();
<a name="l00062"></a>00062 n = n+1;
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordtype">bool</span> TestChange(<span class="keywordtype">bool</span> shouldChange)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 <span class="keywordflow">if</span> (shouldChange)
<a name="l00069"></a>00069 printf(<span class="stringliteral">"- thread should change n..."</span>);
<a name="l00070"></a>00070 <span class="keywordflow">else</span>
<a name="l00071"></a>00071 printf(<span class="stringliteral">"- thread should not change n..."</span>);
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (WaitChangeNValue(n) == shouldChange)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 printf(<span class="stringliteral">"ok\n"</span>);
<a name="l00075"></a>00075 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077 printf(<span class="stringliteral">"ko\n"</span>);
<a name="l00078"></a>00078 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="preprocessor">#undef ERROR</span>
<a name="l00082"></a>00082 <span class="preprocessor"></span><span class="preprocessor">#undef OK</span>
<a name="l00083"></a>00083 <span class="preprocessor"></span><span class="preprocessor">#define ERROR {printf("ko\n"); return 1; }</span>
<a name="l00084"></a>00084 <span class="preprocessor"></span><span class="preprocessor">#define OK {printf("ok\n"); }</span>
<a name="l00085"></a>00085 <span class="preprocessor"></span>
<a name="l00086"></a>00086 <span class="preprocessor">#define TEST_CHANGE(b) if (!TestChange(b)) return 1;</span>
<a name="l00087"></a>00087 <span class="preprocessor"></span>
<a name="l00088"></a>00088 <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>* argv[])
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 ThreadTest test;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="comment">// test only thread, without sincronization</span>
<a name="l00093"></a>00093 printf(<span class="stringliteral">"***********************************************\n"</span>);
<a name="l00094"></a>00094 printf(<span class="stringliteral">"* Testing class Thread without syncronization *\n"</span>);
<a name="l00095"></a>00095 printf(<span class="stringliteral">"***********************************************\n"</span>);
<a name="l00096"></a>00096
<a name="l00097"></a>00097 printf(<span class="stringliteral">"Testing thread creation\n\n"</span>);
<a name="l00098"></a>00098 n = 0;
<a name="l00099"></a>00099 test.start();
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="comment">// wait for n == 1</span>
<a name="l00102"></a>00102 printf(<span class="stringliteral">"- thread should set n to 1..."</span>);
<a name="l00103"></a>00103 <span class="keywordflow">if</span> (WaitNValue(1)) OK
<a name="l00104"></a>00104 <span class="keywordflow">else</span> ERROR;
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="comment">// increment number in thread</span>
<a name="l00107"></a>00107 printf(<span class="stringliteral">"\nTesting thread is working\n\n"</span>);
<a name="l00108"></a>00108 n = 2;
<a name="l00109"></a>00109 TEST_CHANGE(<span class="keyword">true</span>);
<a name="l00110"></a>00110 TEST_CHANGE(<span class="keyword">true</span>);
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="comment">// suspend thread, variable should not change</span>
<a name="l00113"></a>00113 printf(<span class="stringliteral">"\nTesting suspend & resume\n\n"</span>);
<a name="l00114"></a>00114 test.suspend();
<a name="l00115"></a>00115 TEST_CHANGE(<span class="keyword">false</span>);
<a name="l00116"></a>00116 TEST_CHANGE(<span class="keyword">false</span>);
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="comment">// resume, variable should change</span>
<a name="l00119"></a>00119 test.resume();
<a name="l00120"></a>00120 TEST_CHANGE(<span class="keyword">true</span>);
<a name="l00121"></a>00121 TEST_CHANGE(<span class="keyword">true</span>);
<a name="l00122"></a>00122
<a name="l00123"></a>00123 printf(<span class="stringliteral">"\nTesting recursive suspend & resume\n\n"</span>);
<a name="l00124"></a>00124 test.suspend();
<a name="l00125"></a>00125 test.suspend();
<a name="l00126"></a>00126 TEST_CHANGE(<span class="keyword">false</span>);
<a name="l00127"></a>00127 TEST_CHANGE(<span class="keyword">false</span>);
<a name="l00128"></a>00128
<a name="l00129"></a>00129 test.resume();
<a name="l00130"></a>00130 TEST_CHANGE(<span class="keyword">false</span>);
<a name="l00131"></a>00131 TEST_CHANGE(<span class="keyword">false</span>);
<a name="l00132"></a>00132 test.resume();
<a name="l00133"></a>00133 TEST_CHANGE(<span class="keyword">true</span>);
<a name="l00134"></a>00134 TEST_CHANGE(<span class="keyword">true</span>);
<a name="l00135"></a>00135
<a name="l00136"></a>00136 printf(<span class="stringliteral">"\nTesting no suspend on resume\n\n"</span>);
<a name="l00137"></a>00137 test.resume();
<a name="l00138"></a>00138 TEST_CHANGE(<span class="keyword">true</span>);
<a name="l00139"></a>00139 TEST_CHANGE(<span class="keyword">true</span>);
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="comment">// suspend thread, variable should not change</span>
<a name="l00142"></a>00142 printf(<span class="stringliteral">"\nTesting resuspend\n\n"</span>);
<a name="l00143"></a>00143 test.suspend();
<a name="l00144"></a>00144 TEST_CHANGE(<span class="keyword">false</span>);
<a name="l00145"></a>00145 TEST_CHANGE(<span class="keyword">false</span>);
<a name="l00146"></a>00146
<a name="l00147"></a>00147 printf(<span class="stringliteral">"\nNow program should finish... :)\n"</span>);
<a name="l00148"></a>00148 test.resume();
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="keywordflow">return</span> 0;
<a name="l00151"></a>00151 }
</pre></div> <hr size="1"><address style="align: right;"><small>Generated on Mon Jun 19 10:50:55 2006 for GNU CommonC++ by
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