archiveutilstest.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="222" href="#222">222</a>         <strong>long</strong> kb = 1024;
<a name="223" href="#223">223</a>         <strong>long</strong> mb = 1024*1024*2;
<a name="224" href="#224">224</a>         <strong>long</strong> gb = ((<strong>long</strong>)1024*1024)*1024*4;
<a name="225" href="#225">225</a> 
<a name="226" href="#226">226</a>         assertEquals(<span class="string">"formating negative number"</span>,<span class="string">"0 B"</span>,ArchiveUtils.formatBytesForDisplay(-1));
<a name="227" href="#227">227</a>         assertEquals(<span class="string">"formating byte - lower bound"</span>,<span class="string">"0 B"</span>,ArchiveUtils.formatBytesForDisplay(0));
<a name="228" href="#228">228</a>         assertEquals(<span class="string">"formating byte - upper bound"</span>,<span class="string">"1023 B"</span>,ArchiveUtils.formatBytesForDisplay(kb-1));
<a name="229" href="#229">229</a>         assertEquals(<span class="string">"formating kilobyte - lower bound"</span>,<span class="string">"1 KB"</span>,ArchiveUtils.formatBytesForDisplay(kb));
<a name="230" href="#230">230</a>         assertEquals(<span class="string">"formating kilobyte - upper bound"</span>,<span class="string">"2047 KB"</span>,ArchiveUtils.formatBytesForDisplay(mb-1));
<a name="231" href="#231">231</a>         assertEquals(<span class="string">"formating megabyte - lower bound"</span>,<span class="string">"2 MB"</span>,ArchiveUtils.formatBytesForDisplay(mb));
<a name="232" href="#232">232</a>         assertEquals(<span class="string">"formating megabyte - upper bound"</span>,<span class="string">"4095 MB"</span>,ArchiveUtils.formatBytesForDisplay(gb-1));
<a name="233" href="#233">233</a>         assertEquals(<span class="string">"formating gigabyte - lower bound"</span>,<span class="string">"4 GB"</span>,ArchiveUtils.formatBytesForDisplay(gb));
<a name="234" href="#234">234</a>     }
<a name="235" href="#235">235</a> 
<a name="236" href="#236">236</a>     <em class="comment">/*</em>
<a name="237" href="#237">237</a> <em class="comment">     * helper methods</em>
<a name="238" href="#238">238</a> <em class="comment">     */</em>
<a name="239" href="#239">239</a> 
<a name="240" href="#240">240</a>     <em>/**<em>* check that this is a bad date, and &lt;code>fail()&lt;/code> if so.</em></em>
<a name="241" href="#241">241</a> <em>     *</em>
<a name="242" href="#242">242</a> <em>     * @param date the 12digit date to check</em>
<a name="243" href="#243">243</a> <em>     */</em>
<a name="244" href="#244">244</a>     <strong>private</strong> <strong>void</strong> assertBad12DigitDate(<strong>final</strong> String date) {
<a name="245" href="#245">245</a>         <strong>try</strong> {
<a name="246" href="#246">246</a>             ArchiveUtils.parse12DigitDate(date);
<a name="247" href="#247">247</a>         } <strong>catch</strong> (ParseException e) {
<a name="248" href="#248">248</a>             <strong>return</strong>;
<a name="249" href="#249">249</a>         }
<a name="250" href="#250">250</a>         fail(<span class="string">"Expected exception on parse of : "</span> + date);
<a name="251" href="#251">251</a> 
<a name="252" href="#252">252</a>     }
<a name="253" href="#253">253</a>     <em>/**<em>*</em></em>
<a name="254" href="#254">254</a> <em>     * check that this is a bad date, and &lt;code>fail()&lt;/code> if so.</em>
<a name="255" href="#255">255</a> <em>     *</em>
<a name="256" href="#256">256</a> <em>     * @param date the 14digit date to check</em>
<a name="257" href="#257">257</a> <em>     */</em>
<a name="258" href="#258">258</a>     <strong>private</strong> <strong>void</strong> assertBad14DigitDate(<strong>final</strong> String date) {
<a name="259" href="#259">259</a>         <strong>try</strong> {
<a name="260" href="#260">260</a>             ArchiveUtils.parse14DigitDate(date);
<a name="261" href="#261">261</a>         } <strong>catch</strong> (ParseException e) {
<a name="262" href="#262">262</a>             <strong>return</strong>;
<a name="263" href="#263">263</a>         }
<a name="264" href="#264">264</a>         fail(<span class="string">"Expected exception on parse of : "</span> + date);
<a name="265" href="#265">265</a> 
<a name="266" href="#266">266</a>     }
<a name="267" href="#267">267</a> 
<a name="268" href="#268">268</a>     <em>/**<em>*</em></em>
<a name="269" href="#269">269</a> <em>     * check that this is a bad date, and &lt;code>fail()&lt;/code> if so.</em>
<a name="270" href="#270">270</a> <em>     *</em>
<a name="271" href="#271">271</a> <em>     * @param date the 17digit date to check</em>
<a name="272" href="#272">272</a> <em>     */</em>
<a name="273" href="#273">273</a>     <strong>private</strong> <strong>void</strong> assertBad17DigitDate(<strong>final</strong> String date) {
<a name="274" href="#274">274</a>         <strong>try</strong> {
<a name="275" href="#275">275</a>             ArchiveUtils.parse17DigitDate(date);
<a name="276" href="#276">276</a>         } <strong>catch</strong> (ParseException e) {
<a name="277" href="#277">277</a>             <strong>return</strong>;
<a name="278" href="#278">278</a>         }
<a name="279" href="#279">279</a>         fail(<span class="string">"Expected exception on parse of : "</span> + date);
<a name="280" href="#280">280</a> 
<a name="281" href="#281">281</a>     }
<a name="282" href="#282">282</a> 
<a name="283" href="#283">283</a>     <em>/**<em>* check that two longs are within a given &lt;code>delta&lt;/code> */</em></em>
<a name="284" href="#284">284</a>     <strong>private</strong> <strong>void</strong> assertClose(String desc, <strong>long</strong> date1, <strong>long</strong> date2, <strong>long</strong> delta) {
<a name="285" href="#285">285</a>         assertTrue(desc, date1 == date2 ||
<a name="286" href="#286">286</a>                     (date1 &lt; date2 &amp;&amp; date2 &lt; (date1 + delta)) ||
<a name="287" href="#287">287</a>                     (date2 &lt; date1 &amp;&amp; date1 &lt; (date2 + delta)));
<a name="288" href="#288">288</a>     }
<a name="289" href="#289">289</a>     
<a name="290" href="#290">290</a>     <strong>public</strong> <strong>void</strong> testArrayToLong() {
<a name="291" href="#291">291</a>         testOneArrayToLong(-1);
<a name="292" href="#292">292</a>         testOneArrayToLong(1);
<a name="293" href="#293">293</a>         testOneArrayToLong(1000);
<a name="294" href="#294">294</a>         testOneArrayToLong(Integer.MAX_VALUE);
<a name="295" href="#295">295</a>     }
<a name="296" href="#296">296</a>     
<a name="297" href="#297">297</a>     <strong>private</strong> <strong>void</strong> testOneArrayToLong(<strong>final</strong> <strong>long</strong> testValue) {
<a name="298" href="#298">298</a>         byte [] a = <strong>new</strong> byte[8];
<a name="299" href="#299">299</a>         ArchiveUtils.longIntoByteArray(testValue, a, 0);
<a name="300" href="#300">300</a>         <strong>final</strong> <strong>long</strong> l = ArchiveUtils.byteArrayIntoLong(a, 0);
<a name="301" href="#301">301</a>         assertEquals(testValue, l);
<a name="302" href="#302">302</a>     }
<a name="303" href="#303">303</a>     
<a name="304" href="#304">304</a>     <strong>public</strong> <strong>void</strong> testSecondsSinceEpochCalculation() throws ParseException {
<a name="305" href="#305">305</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"20010909014640"</span>),
<a name="306" href="#306">306</a>             <span class="string">"1000000000"</span>);
<a name="307" href="#307">307</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"20010909014639"</span>),
<a name="308" href="#308">308</a>             <span class="string">"0999999999"</span>);
<a name="309" href="#309">309</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"19700101"</span>),
<a name="310" href="#310">310</a>             <span class="string">"0000000000"</span>);
<a name="311" href="#311">311</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"2005"</span>), <span class="string">"1104537600"</span>);
<a name="312" href="#312">312</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"200501"</span>), <span class="string">"1104537600"</span>);
<a name="313" href="#313">313</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"20050101"</span>), <span class="string">"1104537600"</span>);
<a name="314" href="#314">314</a>         assertEquals(ArchiveUtils.secondsSinceEpoch(<span class="string">"2005010100"</span>),
<a name="315" href="#315">315</a>             <span class="string">"1104537600"</span>);
<a name="316" href="#316">316</a>         <strong>boolean</strong> eThrown = false;
<a name="317" href="#317">317</a>         <strong>try</strong> {
<a name="318" href="#318">318</a>             ArchiveUtils.secondsSinceEpoch(<span class="string">"20050"</span>);
<a name="319" href="#319">319</a>         } <strong>catch</strong> (IllegalArgumentException e) {
<a name="320" href="#320">320</a>             eThrown = <strong>true</strong>;
<a name="321" href="#321">321</a>         }
<a name="322" href="#322">322</a>         assertTrue(eThrown);
<a name="323" href="#323">323</a>     }
<a name="324" href="#324">324</a>     
<a name="325" href="#325">325</a>     <strong>public</strong> <strong>static</strong> <strong>void</strong> testZeroPadInteger() {
<a name="326" href="#326">326</a>         assertEquals(ArchiveUtils.zeroPadInteger(1), <span class="string">"0000000001"</span>);
<a name="327" href="#327">327</a>         assertEquals(ArchiveUtils.zeroPadInteger(1000000000), <span class="string">"1000000000"</span>);
<a name="328" href="#328">328</a>     }
<a name="329" href="#329">329</a> }
<a name="330" href="#330">330</a> 
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