replaycharsequencefactorytest.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

<a name="155" href="#155">155</a> 
<a name="156" href="#156">156</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; MULTIPLIER; i++) {
<a name="157" href="#157">157</a>             accessingCharacters(rcs);
<a name="158" href="#158">158</a>         }
<a name="159" href="#159">159</a>     }
<a name="160" href="#160">160</a> 
<a name="161" href="#161">161</a>     <strong>public</strong> <strong>void</strong> testGetReplayCharSequenceMultiByteOffset() throws IOException {
<a name="162" href="#162">162</a> 
<a name="163" href="#163">163</a>         String fileName =
<a name="164" href="#164">164</a>             writeRegularFile(<span class="string">"testGetReplayCharSequenceMultiByteOffset"</span>).
<a name="165" href="#165">165</a>                 getAbsolutePath();
<a name="166" href="#166">166</a>         <a href="../../../org/archive/io/ReplayCharSequence.html">ReplayCharSequence</a> rcs = <strong>this</strong>.factory.getReplayCharSequence(
<a name="167" href="#167">167</a>                 <strong>this</strong>.regularBuffer,
<a name="168" href="#168">168</a>                 <strong>this</strong>.regularBuffer.length +
<a name="169" href="#169">169</a>                     (<strong>this</strong>.regularBuffer.length * MULTIPLIER),
<a name="170" href="#170">170</a>                 SEQUENCE_LENGTH, fileName, <span class="string">"UTF-8"</span>);
<a name="171" href="#171">171</a> 
<a name="172" href="#172">172</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; MULTIPLIER; i++) {
<a name="173" href="#173">173</a>             accessingCharacters(rcs);
<a name="174" href="#174">174</a>         }
<a name="175" href="#175">175</a>     }
<a name="176" href="#176">176</a>     
<a name="177" href="#177">177</a>     <strong>public</strong> <strong>void</strong> testReplayCharSequenceByteToString() throws IOException {
<a name="178" href="#178">178</a>         String fileContent = <span class="string">"Some file content"</span>;
<a name="179" href="#179">179</a>         byte [] buffer = fileContent.getBytes();
<a name="180" href="#180">180</a>         File f = <strong>new</strong> File(getTmpDir(),
<a name="181" href="#181">181</a>             <span class="string">"testReplayCharSequenceByteToString.txt"</span>);
<a name="182" href="#182">182</a>         String fileName =
<a name="183" href="#183">183</a>             writeFile(f, buffer, buffer.length).getAbsolutePath();
<a name="184" href="#184">184</a>         <a href="../../../org/archive/io/ReplayCharSequence.html">ReplayCharSequence</a> rcs = <strong>this</strong>.factory.getReplayCharSequence(
<a name="185" href="#185">185</a>             buffer, buffer.length, 0, fileName, <strong>null</strong>);
<a name="186" href="#186">186</a>         String result = rcs.toString();
<a name="187" href="#187">187</a>         assertTrue(<span class="string">"Strings don't match "</span> + result + <span class="string">" "</span> + fileContent,
<a name="188" href="#188">188</a>             fileContent.equals(result));
<a name="189" href="#189">189</a>     }
<a name="190" href="#190">190</a>     
<a name="191" href="#191">191</a>     <strong>public</strong> <strong>void</strong> testReplayCharSequenceByteToStringMulti() throws IOException {
<a name="192" href="#192">192</a>         String fileContent = <span class="string">"Some file content"</span>;
<a name="193" href="#193">193</a>         byte [] buffer = fileContent.getBytes(<span class="string">"UTF-8"</span>);
<a name="194" href="#194">194</a>         File f = <strong>new</strong> File(getTmpDir(),
<a name="195" href="#195">195</a>             <span class="string">"testReplayCharSequenceByteToStringMulti.txt"</span>);
<a name="196" href="#196">196</a>         String fileName =
<a name="197" href="#197">197</a>             writeFile(f, buffer, buffer.length).getAbsolutePath();
<a name="198" href="#198">198</a>         <a href="../../../org/archive/io/ReplayCharSequence.html">ReplayCharSequence</a> rcs = <strong>this</strong>.factory.getReplayCharSequence(
<a name="199" href="#199">199</a>             buffer, buffer.length, 0, fileName, <span class="string">"UTF-8"</span>);
<a name="200" href="#200">200</a>         String result = rcs.toString();
<a name="201" href="#201">201</a>         assertTrue(<span class="string">"Strings don't match "</span> + result + <span class="string">" "</span> + fileContent,
<a name="202" href="#202">202</a>                 fileContent.equals(result));
<a name="203" href="#203">203</a>     }
<a name="204" href="#204">204</a>     
<a name="205" href="#205">205</a>     <em>/**<em>*</em></em>
<a name="206" href="#206">206</a> <em>     * Accessing characters test.</em>
<a name="207" href="#207">207</a> <em>     *</em>
<a name="208" href="#208">208</a> <em>     * Checks that characters in the rcs are in sequence.</em>
<a name="209" href="#209">209</a> <em>     *</em>
<a name="210" href="#210">210</a> <em>     * @param rcs The ReplayCharSequence to try out.</em>
<a name="211" href="#211">211</a> <em>     */</em>
<a name="212" href="#212">212</a>     <strong>private</strong> <strong>void</strong> accessingCharacters(CharSequence rcs) {
<a name="213" href="#213">213</a>         <strong>long</strong> timestamp = (<strong>new</strong> Date()).getTime();
<a name="214" href="#214">214</a>         <strong>int</strong> seeks = 0;
<a name="215" href="#215">215</a>         <strong>for</strong> (<strong>int</strong> i = (INCREMENT * 2); (i + INCREMENT) &lt; rcs.length();
<a name="216" href="#216">216</a>                 i += INCREMENT) {
<a name="217" href="#217">217</a>             checkCharacter(rcs, i);
<a name="218" href="#218">218</a>             seeks++;
<a name="219" href="#219">219</a>             <strong>for</strong> (<strong>int</strong> j = i - INCREMENT; j &lt; i; j++) {
<a name="220" href="#220">220</a>                 checkCharacter(rcs, j);
<a name="221" href="#221">221</a>                 seeks++;
<a name="222" href="#222">222</a>             }
<a name="223" href="#223">223</a>         }
<a name="224" href="#224">224</a>         <em class="comment">// Note that printing out below breaks cruisecontrols drawing</em>
<a name="225" href="#225">225</a>         <em class="comment">// of the xml unit test results because it outputs disallowed</em>
<a name="226" href="#226">226</a>         <em class="comment">// xml characters.</em>
<a name="227" href="#227">227</a>         logger.fine(rcs + <span class="string">" seeks count "</span> + seeks + <span class="string">" in "</span> +
<a name="228" href="#228">228</a>             ((<strong>new</strong> Date().getTime()) - timestamp) + <span class="string">" milliseconds."</span>);
<a name="229" href="#229">229</a>     }
<a name="230" href="#230">230</a> 
<a name="231" href="#231">231</a>     <em>/**<em>*</em></em>
<a name="232" href="#232">232</a> <em>     * Check the character read.</em>
<a name="233" href="#233">233</a> <em>     *</em>
<a name="234" href="#234">234</a> <em>     * Throws assertion if not expected result.</em>
<a name="235" href="#235">235</a> <em>     *</em>
<a name="236" href="#236">236</a> <em>     * @param rcs ReplayCharSequence to read from.</em>
<a name="237" href="#237">237</a> <em>     * @param i Character offset.</em>
<a name="238" href="#238">238</a> <em>     */</em>
<a name="239" href="#239">239</a>     <strong>private</strong> <strong>void</strong> checkCharacter(CharSequence rcs, <strong>int</strong> i) {
<a name="240" href="#240">240</a>         <strong>int</strong> c = rcs.charAt(i);
<a name="241" href="#241">241</a>         assertTrue(<span class="string">"Character "</span> + Integer.toString(c) + <span class="string">" at offset "</span> + i +
<a name="242" href="#242">242</a>             <span class="string">" unexpected."</span>, (c % SEQUENCE_LENGTH) == (i % SEQUENCE_LENGTH));
<a name="243" href="#243">243</a>     }
<a name="244" href="#244">244</a> 
<a name="245" href="#245">245</a>     <em>/**<em>*</em></em>
<a name="246" href="#246">246</a> <em>     * @param baseName</em>
<a name="247" href="#247">247</a> <em>     * @param buffer</em>
<a name="248" href="#248">248</a> <em>     * @return Write a shiftjis file w/ japanese characters.</em>
<a name="249" href="#249">249</a> <em>     * @throws IOException</em>
<a name="250" href="#250">250</a> <em>     */</em>
<a name="251" href="#251">251</a>     <strong>private</strong> File writeShiftjisFile(String baseName, byte [] buffer)
<a name="252" href="#252">252</a>             throws IOException {
<a name="253" href="#253">253</a>         File file = <strong>new</strong> File(getTmpDir(), baseName + <span class="string">".shiftjisContent.txt"</span>);
<a name="254" href="#254">254</a>         writeFile(file, buffer, MULTIPLIER);
<a name="255" href="#255">255</a>         <strong>return</strong> file;
<a name="256" href="#256">256</a>     }
<a name="257" href="#257">257</a> 
<a name="258" href="#258">258</a>     <em>/**<em>*</em></em>
<a name="259" href="#259">259</a> <em>     * @param baseName</em>
<a name="260" href="#260">260</a> <em>     * @return Regular file reference.</em>
<a name="261" href="#261">261</a> <em>     * @throws IOException</em>
<a name="262" href="#262">262</a> <em>     */</em>
<a name="263" href="#263">263</a>     <strong>private</strong> File writeRegularFile(String baseName) throws IOException {
<a name="264" href="#264">264</a>         <em class="comment">// Write a single-byte file of regular content.</em>
<a name="265" href="#265">265</a>         File file = <strong>new</strong> File(getTmpDir(), baseName + <span class="string">".regularContent.txt"</span>);
<a name="266" href="#266">266</a>         writeFile(file, <strong>this</strong>.regularBuffer, MULTIPLIER);
<a name="267" href="#267">267</a>         <strong>return</strong> file;
<a name="268" href="#268">268</a>     }
<a name="269" href="#269">269</a> 
<a name="270" href="#270">270</a>     <em>/**<em>*</em></em>
<a name="271" href="#271">271</a> <em>     * Write a file.</em>
<a name="272" href="#272">272</a> <em>     *</em>
<a name="273" href="#273">273</a> <em>     * @param file File to write.</em>
<a name="274" href="#274">274</a> <em>     * @param buffer Regular content to write.</em>
<a name="275" href="#275">275</a> <em>     * @param count Number of times to write the buffer.</em>
<a name="276" href="#276">276</a> <em>     * @return &lt;code>file&lt;/code>.</em>
<a name="277" href="#277">277</a> <em>     * @throws IOException</em>
<a name="278" href="#278">278</a> <em>     */</em>
<a name="279" href="#279">279</a>     <strong>private</strong> File writeFile(File file, byte [] buffer, <strong>int</strong> count)
<a name="280" href="#280">280</a>             throws IOException {
<a name="281" href="#281">281</a>         FileOutputStream fos = <strong>new</strong> FileOutputStream(file);
<a name="282" href="#282">282</a>         OutputStream bos = <strong>new</strong> BufferedOutputStream(fos);
<a name="283" href="#283">283</a>         <strong>for</strong>( <strong>int</strong> i = 0; i &lt; count; i++) {
<a name="284" href="#284">284</a>             bos.write(buffer);
<a name="285" href="#285">285</a>         }
<a name="286" href="#286">286</a>         bos.close();
<a name="287" href="#287">287</a>         <strong>return</strong> file;
<a name="288" href="#288">288</a>     }
<a name="289" href="#289">289</a> 
<a name="290" href="#290">290</a>     <em>/**<em>*</em></em>
<a name="291" href="#291">291</a> <em>     * Fill a buffer w/ regular progression of characters.</em>
<a name="292" href="#292">292</a> <em>     * @param buffer Buffer to fill.</em>
<a name="293" href="#293">293</a> <em>     * @return The buffer we filled.</em>
<a name="294" href="#294">294</a> <em>     */</em>
<a name="295" href="#295">295</a>     <strong>private</strong> byte [] fillBufferWithRegularContent(byte [] buffer) {
<a name="296" href="#296">296</a>         <strong>int</strong> index = 0;
<a name="297" href="#297">297</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; buffer.length; i++) {
<a name="298" href="#298">298</a>             buffer[i] = (byte) (index &amp; 0x00ff);
<a name="299" href="#299">299</a>             index++;
<a name="300" href="#300">300</a>             <strong>if</strong> (index >= SEQUENCE_LENGTH) {
<a name="301" href="#301">301</a>                 <em class="comment">// Reset the index.</em>
<a name="302" href="#302">302</a>                 index = 0;
<a name="303" href="#303">303</a>             }
<a name="304" href="#304">304</a>         }
<a name="305" href="#305">305</a>         <strong>return</strong> buffer;
<a name="306" href="#306">306</a>     }
<a name="307" href="#307">307</a> 
<a name="308" href="#308">308</a>     <strong>public</strong> <strong>void</strong> testCheckParameters()
<a name="309" href="#309">309</a>     {
<a name="310" href="#310">310</a>         <em class="comment">// TODO.</em>
<a name="311" href="#311">311</a>     }
<a name="312" href="#312">312</a> }
</pre>
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