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<a name="274" href="#274">274</a> 
<a name="275" href="#275">275</a>     <em class="comment">/*</em>
<a name="276" href="#276">276</a> <em class="comment">     * helper methods</em>
<a name="277" href="#277">277</a> <em class="comment">     */</em>
<a name="278" href="#278">278</a> 
<a name="279" href="#279">279</a>     <em>/**<em>* check that this is a bad date, and &lt;code>fail()&lt;/code> if so.</em></em>
<a name="280" href="#280">280</a> <em>     *</em>
<a name="281" href="#281">281</a> <em>     * @param date the 12digit date to check</em>
<a name="282" href="#282">282</a> <em>     */</em>
<a name="283" href="#283">283</a>     <strong>private</strong> <strong>void</strong> assertBad12DigitDate(<strong>final</strong> String date) {
<a name="284" href="#284">284</a>         <strong>try</strong> {
<a name="285" href="#285">285</a>             ArchiveUtils.parse12DigitDate(date);
<a name="286" href="#286">286</a>         } <strong>catch</strong> (ParseException e) {
<a name="287" href="#287">287</a>             <strong>return</strong>;
<a name="288" href="#288">288</a>         }
<a name="289" href="#289">289</a>         fail(<span class="string">"Expected exception on parse of : "</span> + date);
<a name="290" href="#290">290</a> 
<a name="291" href="#291">291</a>     }
<a name="292" href="#292">292</a>     <em>/**<em>*</em></em>
<a name="293" href="#293">293</a> <em>     * check that this is a bad date, and &lt;code>fail()&lt;/code> if so.</em>
<a name="294" href="#294">294</a> <em>     *</em>
<a name="295" href="#295">295</a> <em>     * @param date the 14digit date to check</em>
<a name="296" href="#296">296</a> <em>     */</em>
<a name="297" href="#297">297</a>     <strong>private</strong> <strong>void</strong> assertBad14DigitDate(<strong>final</strong> String date) {
<a name="298" href="#298">298</a>         <strong>try</strong> {
<a name="299" href="#299">299</a>             ArchiveUtils.parse14DigitDate(date);
<a name="300" href="#300">300</a>         } <strong>catch</strong> (ParseException e) {
<a name="301" href="#301">301</a>             <strong>return</strong>;
<a name="302" href="#302">302</a>         }
<a name="303" href="#303">303</a>         fail(<span class="string">"Expected exception on parse of : "</span> + date);
<a name="304" href="#304">304</a> 
<a name="305" href="#305">305</a>     }
<a name="306" href="#306">306</a> 
<a name="307" href="#307">307</a>     <em>/**<em>*</em></em>
<a name="308" href="#308">308</a> <em>     * check that this is a bad date, and &lt;code>fail()&lt;/code> if so.</em>
<a name="309" href="#309">309</a> <em>     *</em>
<a name="310" href="#310">310</a> <em>     * @param date the 17digit date to check</em>
<a name="311" href="#311">311</a> <em>     */</em>
<a name="312" href="#312">312</a>     <strong>private</strong> <strong>void</strong> assertBad17DigitDate(<strong>final</strong> String date) {
<a name="313" href="#313">313</a>         <strong>try</strong> {
<a name="314" href="#314">314</a>             ArchiveUtils.parse17DigitDate(date);
<a name="315" href="#315">315</a>         } <strong>catch</strong> (ParseException e) {
<a name="316" href="#316">316</a>             <strong>return</strong>;
<a name="317" href="#317">317</a>         }
<a name="318" href="#318">318</a>         fail(<span class="string">"Expected exception on parse of : "</span> + date);
<a name="319" href="#319">319</a> 
<a name="320" href="#320">320</a>     }
<a name="321" href="#321">321</a> 
<a name="322" href="#322">322</a>     <em>/**<em>* check that two longs are within a given &lt;code>delta&lt;/code> */</em></em>
<a name="323" href="#323">323</a>     <strong>private</strong> <strong>void</strong> assertClose(String desc, <strong>long</strong> date1, <strong>long</strong> date2, <strong>long</strong> delta) {
<a name="324" href="#324">324</a>         assertTrue(desc, date1 == date2 ||
<a name="325" href="#325">325</a>                     (date1 &lt; date2 &amp;&amp; date2 &lt; (date1 + delta)) ||
<a name="326" href="#326">326</a>                     (date2 &lt; date1 &amp;&amp; date1 &lt; (date2 + delta)));
<a name="327" href="#327">327</a>     }
<a name="328" href="#328">328</a>     
<a name="329" href="#329">329</a>     <strong>public</strong> <strong>void</strong> testArrayToLong() {
<a name="330" href="#330">330</a>         testOneArrayToLong(-1);
<a name="331" href="#331">331</a>         testOneArrayToLong(1);
<a name="332" href="#332">332</a>         testOneArrayToLong(1000);
<a name="333" href="#333">333</a>         testOneArrayToLong(Integer.MAX_VALUE);
<a name="334" href="#334">334</a>     }
<a name="335" href="#335">335</a>     
<a name="336" href="#336">336</a>     <strong>private</strong> <strong>void</strong> testOneArrayToLong(<strong>final</strong> <strong>long</strong> testValue) {
<a name="337" href="#337">337</a>         byte [] a = <strong>new</strong> byte[8];
<a name="338" href="#338">338</a>         ArchiveUtils.longIntoByteArray(testValue, a, 0);
<a name="339" href="#339">339</a>         <strong>final</strong> <strong>long</strong> l = ArchiveUtils.byteArrayIntoLong(a, 0);
<a name="340" href="#340">340</a>         assertEquals(testValue, l);
<a name="341" href="#341">341</a>     }
<a name="342" href="#342">342</a>     
<a name="343" href="#343">343</a>     <strong>public</strong> <strong>void</strong> testSecondsSinceEpochCalculation() throws ParseException {
<a name="344" href="#344">344</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"20010909014640"</span>),
<a name="345" href="#345">345</a>             <span class="string">"1000000000"</span>);
<a name="346" href="#346">346</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"20010909014639"</span>),
<a name="347" href="#347">347</a>             <span class="string">"0999999999"</span>);
<a name="348" href="#348">348</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"19700101"</span>),
<a name="349" href="#349">349</a>             <span class="string">"0000000000"</span>);
<a name="350" href="#350">350</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"2005"</span>), <span class="string">"1104537600"</span>);
<a name="351" href="#351">351</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"200501"</span>), <span class="string">"1104537600"</span>);
<a name="352" href="#352">352</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"20050101"</span>), <span class="string">"1104537600"</span>);
<a name="353" href="#353">353</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"2005010100"</span>),
<a name="354" href="#354">354</a>             <span class="string">"1104537600"</span>);
<a name="355" href="#355">355</a>         <strong>boolean</strong> eThrown = false;
<a name="356" href="#356">356</a>         <strong>try</strong> {
<a name="357" href="#357">357</a>             ArchiveUtils.secondsSinceEpoch(<span class="string">"20050"</span>);
<a name="358" href="#358">358</a>         } <strong>catch</strong> (IllegalArgumentException e) {
<a name="359" href="#359">359</a>             eThrown = <strong>true</strong>;
<a name="360" href="#360">360</a>         }
<a name="361" href="#361">361</a>         assertTrue(eThrown);
<a name="362" href="#362">362</a>     }
<a name="363" href="#363">363</a>     
<a name="364" href="#364">364</a>     <strong>public</strong> <strong>static</strong> <strong>void</strong> testZeroPadInteger() {
<a name="365" href="#365">365</a>         assertEquals(ArchiveUtils.zeroPadInteger(1), <span class="string">"0000000001"</span>);
<a name="366" href="#366">366</a>         assertEquals(ArchiveUtils.zeroPadInteger(1000000000), <span class="string">"1000000000"</span>);
<a name="367" href="#367">367</a>     }
<a name="368" href="#368">368</a>     
<a name="369" href="#369">369</a>     <em>/**<em>*</em></em>
<a name="370" href="#370">370</a> <em>     * Test stable behavior of date formatting under heavy concurrency. </em>
<a name="371" href="#371">371</a> <em>     * </em>
<a name="372" href="#372">372</a> <em>     * @throws InterruptedException</em>
<a name="373" href="#373">373</a> <em>     */</em>
<a name="374" href="#374">374</a>     <strong>public</strong> <strong>static</strong> <strong>void</strong> testDateFormatConcurrency() throws InterruptedException {        
<a name="375" href="#375">375</a>         <strong>final</strong> <strong>int</strong> COUNT = 1000;
<a name="376" href="#376">376</a>         Thread [] ts = <strong>new</strong> Thread[COUNT];
<a name="377" href="#377">377</a>         <strong>final</strong> Semaphore allDone = <strong>new</strong> Semaphore(-COUNT+1);
<a name="378" href="#378">378</a>         <strong>final</strong> AtomicInteger failures = <strong>new</strong> AtomicInteger(0); 
<a name="379" href="#379">379</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; COUNT; i++) {
<a name="380" href="#380">380</a>             Thread t = <strong>new</strong> Thread() {
<a name="381" href="#381">381</a>                 <strong>public</strong> <strong>void</strong> run() {
<a name="382" href="#382">382</a>                     <strong>long</strong> n = System.currentTimeMillis();
<a name="383" href="#383">383</a>                     <strong>final</strong> String d = ArchiveUtils.get17DigitDate(n);
<a name="384" href="#384">384</a>                     <strong>for</strong> (<strong>int</strong> i = 0; i &lt; 1000; i++) {
<a name="385" href="#385">385</a>                         <strong>try</strong> {
<a name="386" href="#386">386</a>                             sleep(10);
<a name="387" href="#387">387</a>                         } <strong>catch</strong> (InterruptedException e) {
<a name="388" href="#388">388</a>                             <em class="comment">// TODO Auto-generated catch block</em>
<a name="389" href="#389">389</a>                             e.printStackTrace();
<a name="390" href="#390">390</a>                         }
<a name="391" href="#391">391</a>                         String d2 = ArchiveUtils.get17DigitDate(n);
<a name="392" href="#392">392</a>                         <strong>if</strong>(!d.equals(d2)) {
<a name="393" href="#393">393</a>                             failures.incrementAndGet();
<a name="394" href="#394">394</a>                             <strong>break</strong>; 
<a name="395" href="#395">395</a>                         }
<a name="396" href="#396">396</a>                     }
<a name="397" href="#397">397</a>                     allDone.release();
<a name="398" href="#398">398</a>                 }
<a name="399" href="#399">399</a>             };
<a name="400" href="#400">400</a>             ts[i] = t;
<a name="401" href="#401">401</a>             ts[i].setName(Integer.toString(i));
<a name="402" href="#402">402</a>             ts[i].start();
<a name="403" href="#403">403</a>             <strong>while</strong>(!ts[i].isAlive()) <em class="comment">/*<em class="comment"> Wait for thread to spin up*/</em>;</em>
<a name="404" href="#404">404</a>         }
<a name="405" href="#405">405</a>         allDone.acquire(); <em class="comment">// wait for all threads to finish</em>
<a name="406" href="#406">406</a>         assertEquals(failures.get()+<span class="string">" format mismatches"</span>,0,failures.get()); 
<a name="407" href="#407">407</a>     }
<a name="408" href="#408">408</a> }
<a name="409" href="#409">409</a> 
</pre>
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