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<div class="title">thread1.cpp</div> </div>
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<div class="fragment"><div class="line"><span class="preprocessor">#include <<a class="code" href="thread_8h.html">cc++/thread.h</a>></span></div>
<div class="line"><span class="preprocessor">#include <cstdio></span></div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#ifdef CCXX_NAMESPACES</span></div>
<div class="line"><span class="preprocessor"></span><span class="keyword">using namespace </span>ost;</div>
<div class="line"><span class="preprocessor">#endif</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"><span class="comment">// This is a little regression test</span></div>
<div class="line"><span class="comment">//</span></div>
<div class="line"></div>
<div class="line"><span class="keyword">class </span>ThreadTest: <span class="keyword">public</span> <a name="_a0"></a><a class="code" href="classost_1_1_thread.html">Thread</a></div>
<div class="line">{</div>
<div class="line"><span class="keyword">public</span>:</div>
<div class="line"> ThreadTest();</div>
<div class="line"> <span class="keywordtype">void</span> run();</div>
<div class="line">};</div>
<div class="line"></div>
<div class="line"><span class="keyword">volatile</span> <span class="keywordtype">int</span> n = 0;</div>
<div class="line"></div>
<div class="line"><span class="keywordtype">bool</span> WaitNValue(<span class="keywordtype">int</span> value)</div>
<div class="line">{</div>
<div class="line"> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0;; ++i) {</div>
<div class="line"> <span class="keywordflow">if</span> (n == value)</div>
<div class="line"> <span class="keywordflow">break</span>;</div>
<div class="line"> <span class="keywordflow">if</span> (i >= 100)</div>
<div class="line"> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"> <a name="a1"></a><a class="code" href="classost_1_1_thread.html#a663d960e8599194f3b25169915c22fb6">Thread::sleep</a>(10);</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line">}</div>
<div class="line"></div>
<div class="line"><span class="keywordtype">bool</span> WaitChangeNValue(<span class="keywordtype">int</span> value)</div>
<div class="line">{</div>
<div class="line"> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0;; ++i) {</div>
<div class="line"> <span class="keywordflow">if</span> (n != value)</div>
<div class="line"> <span class="keywordflow">break</span>;</div>
<div class="line"> <span class="keywordflow">if</span> (i >= 100)</div>
<div class="line"> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"> <a class="code" href="classost_1_1_thread.html#a663d960e8599194f3b25169915c22fb6">Thread::sleep</a>(10);</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line">}</div>
<div class="line"></div>
<div class="line">ThreadTest::ThreadTest()</div>
<div class="line">{</div>
<div class="line">}</div>
<div class="line"></div>
<div class="line"><span class="keywordtype">void</span> ThreadTest::run()</div>
<div class="line">{</div>
<div class="line"> setCancel(<a name="a2"></a><a class="code" href="classost_1_1_thread.html#a24f333b09607b7c48a97e05865ada69bab02b8cd8d899a693e8cbb86082f4ef16">Thread::cancelDeferred</a>);</div>
<div class="line"> n = 1;</div>
<div class="line"></div>
<div class="line"> <span class="comment">// wait for main thread</span></div>
<div class="line"> <span class="keywordflow">if</span> (!WaitNValue(2)) <span class="keywordflow">return</span>;</div>
<div class="line"></div>
<div class="line"> <span class="comment">// increment infinitely</span></div>
<div class="line"> <span class="keywordflow">for</span>(;;) {</div>
<div class="line"> yield();</div>
<div class="line"> n = n+1;</div>
<div class="line"> }</div>
<div class="line">}</div>
<div class="line"></div>
<div class="line"><span class="keywordtype">bool</span> TestChange(<span class="keywordtype">bool</span> shouldChange)</div>
<div class="line">{</div>
<div class="line"> <span class="keywordflow">if</span> (shouldChange)</div>
<div class="line"> printf(<span class="stringliteral">"- thread should change n..."</span>);</div>
<div class="line"> <span class="keywordflow">else</span></div>
<div class="line"> printf(<span class="stringliteral">"- thread should not change n..."</span>);</div>
<div class="line"> <span class="keywordflow">if</span> (WaitChangeNValue(n) == shouldChange) {</div>
<div class="line"> printf(<span class="stringliteral">"ok\n"</span>);</div>
<div class="line"> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"> }</div>
<div class="line"> printf(<span class="stringliteral">"ko\n"</span>);</div>
<div class="line"> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line">}</div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#undef ERROR</span></div>
<div class="line"><span class="preprocessor"></span><span class="preprocessor">#undef OK</span></div>
<div class="line"><span class="preprocessor"></span><span class="preprocessor">#define ERROR {printf("ko\n"); return 1; }</span></div>
<div class="line"><span class="preprocessor"></span><span class="preprocessor">#define OK {printf("ok\n"); }</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"><span class="preprocessor">#define TEST_CHANGE(b) if (!TestChange(b)) return 1;</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>* argv[])</div>
<div class="line">{</div>
<div class="line"> ThreadTest test;</div>
<div class="line"></div>
<div class="line"> <span class="comment">// test only thread, without sincronization</span></div>
<div class="line"> printf(<span class="stringliteral">"***********************************************\n"</span>);</div>
<div class="line"> printf(<span class="stringliteral">"* Testing class Thread without syncronization *\n"</span>);</div>
<div class="line"> printf(<span class="stringliteral">"***********************************************\n"</span>);</div>
<div class="line"></div>
<div class="line"> printf(<span class="stringliteral">"Testing thread creation\n\n"</span>);</div>
<div class="line"> n = 0;</div>
<div class="line"> test.start();</div>
<div class="line"></div>
<div class="line"> <span class="comment">// wait for n == 1</span></div>
<div class="line"> printf(<span class="stringliteral">"- thread should set n to 1..."</span>);</div>
<div class="line"> <span class="keywordflow">if</span> (WaitNValue(1)) OK</div>
<div class="line"> <span class="keywordflow">else</span> ERROR;</div>
<div class="line"></div>
<div class="line"> <span class="comment">// increment number in thread</span></div>
<div class="line"> printf(<span class="stringliteral">"\nTesting thread is working\n\n"</span>);</div>
<div class="line"> n = 2;</div>
<div class="line"> TEST_CHANGE(<span class="keyword">true</span>);</div>
<div class="line"> TEST_CHANGE(<span class="keyword">true</span>);</div>
<div class="line"></div>
<div class="line"> <span class="comment">// suspend thread, variable should not change</span></div>
<div class="line"> printf(<span class="stringliteral">"\nTesting suspend & resume\n\n"</span>);</div>
<div class="line"> test.suspend();</div>
<div class="line"> TEST_CHANGE(<span class="keyword">false</span>);</div>
<div class="line"> TEST_CHANGE(<span class="keyword">false</span>);</div>
<div class="line"></div>
<div class="line"> <span class="comment">// resume, variable should change</span></div>
<div class="line"> test.resume();</div>
<div class="line"> TEST_CHANGE(<span class="keyword">true</span>);</div>
<div class="line"> TEST_CHANGE(<span class="keyword">true</span>);</div>
<div class="line"></div>
<div class="line"> printf(<span class="stringliteral">"\nTesting recursive suspend & resume\n\n"</span>);</div>
<div class="line"> test.suspend();</div>
<div class="line"> test.suspend();</div>
<div class="line"> TEST_CHANGE(<span class="keyword">false</span>);</div>
<div class="line"> TEST_CHANGE(<span class="keyword">false</span>);</div>
<div class="line"></div>
<div class="line"> test.resume();</div>
<div class="line"> TEST_CHANGE(<span class="keyword">false</span>);</div>
<div class="line"> TEST_CHANGE(<span class="keyword">false</span>);</div>
<div class="line"> test.resume();</div>
<div class="line"> TEST_CHANGE(<span class="keyword">true</span>);</div>
<div class="line"> TEST_CHANGE(<span class="keyword">true</span>);</div>
<div class="line"></div>
<div class="line"> printf(<span class="stringliteral">"\nTesting no suspend on resume\n\n"</span>);</div>
<div class="line"> test.resume();</div>
<div class="line"> TEST_CHANGE(<span class="keyword">true</span>);</div>
<div class="line"> TEST_CHANGE(<span class="keyword">true</span>);</div>
<div class="line"></div>
<div class="line"> <span class="comment">// suspend thread, variable should not change</span></div>
<div class="line"> printf(<span class="stringliteral">"\nTesting resuspend\n\n"</span>);</div>
<div class="line"> test.suspend();</div>
<div class="line"> TEST_CHANGE(<span class="keyword">false</span>);</div>
<div class="line"> TEST_CHANGE(<span class="keyword">false</span>);</div>
<div class="line"></div>
<div class="line"> printf(<span class="stringliteral">"\nNow program should finish... :)\n"</span>);</div>
<div class="line"> test.resume();</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line">}</div>
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