testgenerickeyedobjectpool.html

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<a name="171" href="#171">171</a>     <strong>public</strong> <strong>void</strong> testMaxActive() throws Exception {
<a name="172" href="#172">172</a>         pool.setMaxActive(3);
<a name="173" href="#173">173</a>         pool.setWhenExhaustedAction(GenericKeyedObjectPool.WHEN_EXHAUSTED_FAIL);
<a name="174" href="#174">174</a> 
<a name="175" href="#175">175</a>         pool.borrowObject(<span class="string">""</span>);
<a name="176" href="#176">176</a>         pool.borrowObject(<span class="string">""</span>);
<a name="177" href="#177">177</a>         pool.borrowObject(<span class="string">""</span>);
<a name="178" href="#178">178</a>         <strong>try</strong> {
<a name="179" href="#179">179</a>             pool.borrowObject(<span class="string">""</span>);
<a name="180" href="#180">180</a>             fail(<span class="string">"Expected NoSuchElementException"</span>);
<a name="181" href="#181">181</a>         } <strong>catch</strong>(NoSuchElementException e) {
<a name="182" href="#182">182</a>             <em class="comment">// expected</em>
<a name="183" href="#183">183</a>         }
<a name="184" href="#184">184</a>     }
<a name="185" href="#185">185</a> 
<a name="186" href="#186">186</a>     <strong>public</strong> <strong>void</strong> testMaxActiveZero() throws Exception {
<a name="187" href="#187">187</a>         pool.setMaxActive(0);
<a name="188" href="#188">188</a>         pool.setWhenExhaustedAction(GenericObjectPool.WHEN_EXHAUSTED_FAIL);
<a name="189" href="#189">189</a> 
<a name="190" href="#190">190</a>         <strong>try</strong> {
<a name="191" href="#191">191</a>             pool.borrowObject(<span class="string">"a"</span>);
<a name="192" href="#192">192</a>             fail(<span class="string">"Expected NoSuchElementException"</span>);
<a name="193" href="#193">193</a>         } <strong>catch</strong>(NoSuchElementException e) {
<a name="194" href="#194">194</a>             <em class="comment">// expected</em>
<a name="195" href="#195">195</a>         }
<a name="196" href="#196">196</a>     }
<a name="197" href="#197">197</a> 
<a name="198" href="#198">198</a>     <strong>public</strong> <strong>void</strong> testMaxTotal() throws Exception {
<a name="199" href="#199">199</a>         pool.setMaxActive(2);
<a name="200" href="#200">200</a>         pool.setMaxTotal(3);
<a name="201" href="#201">201</a>         pool.setWhenExhaustedAction(GenericKeyedObjectPool.WHEN_EXHAUSTED_FAIL);
<a name="202" href="#202">202</a> 
<a name="203" href="#203">203</a>         Object o1 = pool.borrowObject(<span class="string">"a"</span>);
<a name="204" href="#204">204</a>         assertNotNull(o1);
<a name="205" href="#205">205</a>         Object o2 = pool.borrowObject(<span class="string">"a"</span>);
<a name="206" href="#206">206</a>         assertNotNull(o2);
<a name="207" href="#207">207</a>         Object o3 = pool.borrowObject(<span class="string">"b"</span>);
<a name="208" href="#208">208</a>         assertNotNull(o3);
<a name="209" href="#209">209</a>         <strong>try</strong> {
<a name="210" href="#210">210</a>             pool.borrowObject(<span class="string">"c"</span>);
<a name="211" href="#211">211</a>             fail(<span class="string">"Expected NoSuchElementException"</span>);
<a name="212" href="#212">212</a>         } <strong>catch</strong>(NoSuchElementException e) {
<a name="213" href="#213">213</a>             <em class="comment">// expected</em>
<a name="214" href="#214">214</a>         }
<a name="215" href="#215">215</a> 
<a name="216" href="#216">216</a>         assertEquals(0, pool.getNumIdle());
<a name="217" href="#217">217</a> 
<a name="218" href="#218">218</a>         pool.returnObject(<span class="string">"b"</span>, o3);
<a name="219" href="#219">219</a>         assertEquals(1, pool.getNumIdle());
<a name="220" href="#220">220</a>         assertEquals(1, pool.getNumIdle(<span class="string">"b"</span>));
<a name="221" href="#221">221</a> 
<a name="222" href="#222">222</a>         Object o4 = pool.borrowObject(<span class="string">"b"</span>);
<a name="223" href="#223">223</a>         assertNotNull(o4);
<a name="224" href="#224">224</a>         assertEquals(0, pool.getNumIdle());
<a name="225" href="#225">225</a>         assertEquals(0, pool.getNumIdle(<span class="string">"b"</span>));
<a name="226" href="#226">226</a>     }
<a name="227" href="#227">227</a> 
<a name="228" href="#228">228</a>     <strong>public</strong> <strong>void</strong> testMaxTotalZero() throws Exception {
<a name="229" href="#229">229</a>         pool.setMaxTotal(0);
<a name="230" href="#230">230</a>         pool.setWhenExhaustedAction(GenericObjectPool.WHEN_EXHAUSTED_FAIL);
<a name="231" href="#231">231</a> 
<a name="232" href="#232">232</a>         <strong>try</strong> {
<a name="233" href="#233">233</a>             pool.borrowObject(<span class="string">"a"</span>);
<a name="234" href="#234">234</a>             fail(<span class="string">"Expected NoSuchElementException"</span>);
<a name="235" href="#235">235</a>         } <strong>catch</strong>(NoSuchElementException e) {
<a name="236" href="#236">236</a>             <em class="comment">// expected</em>
<a name="237" href="#237">237</a>         }
<a name="238" href="#238">238</a>     }
<a name="239" href="#239">239</a> 
<a name="240" href="#240">240</a>     <strong>public</strong> <strong>void</strong> testMaxTotalLRU() throws Exception {
<a name="241" href="#241">241</a>         pool.setMaxActive(2);
<a name="242" href="#242">242</a>         pool.setMaxTotal(3);
<a name="243" href="#243">243</a> <em class="comment">//        pool.setWhenExhaustedAction(GenericKeyedObjectPool.WHEN_EXHAUSTED_GROW);</em>
<a name="244" href="#244">244</a> 
<a name="245" href="#245">245</a>         Object o1 = pool.borrowObject(<span class="string">"a"</span>);
<a name="246" href="#246">246</a>         assertNotNull(o1);
<a name="247" href="#247">247</a>         pool.returnObject(<span class="string">"a"</span>, o1);
<a name="248" href="#248">248</a>         Thread.sleep(10);
<a name="249" href="#249">249</a> 
<a name="250" href="#250">250</a>         Object o2 = pool.borrowObject(<span class="string">"b"</span>);
<a name="251" href="#251">251</a>         assertNotNull(o2);
<a name="252" href="#252">252</a>         pool.returnObject(<span class="string">"b"</span>, o2);
<a name="253" href="#253">253</a>         Thread.sleep(10);
<a name="254" href="#254">254</a> 
<a name="255" href="#255">255</a>         Object o3 = pool.borrowObject(<span class="string">"c"</span>);
<a name="256" href="#256">256</a>         assertNotNull(o3);
<a name="257" href="#257">257</a>         pool.returnObject(<span class="string">"c"</span>, o3);
<a name="258" href="#258">258</a>         Thread.sleep(10);
<a name="259" href="#259">259</a> 
<a name="260" href="#260">260</a>         Object o4 = pool.borrowObject(<span class="string">"a"</span>);
<a name="261" href="#261">261</a>         assertNotNull(o4);
<a name="262" href="#262">262</a>         pool.returnObject(<span class="string">"a"</span>, o4);
<a name="263" href="#263">263</a>         Thread.sleep(10);
<a name="264" href="#264">264</a> 
<a name="265" href="#265">265</a>         assertSame(o1, o4);
<a name="266" href="#266">266</a> 
<a name="267" href="#267">267</a>         <em class="comment">// this should cause b to be bumped out of the pool</em>
<a name="268" href="#268">268</a>         Object o5 = pool.borrowObject(<span class="string">"d"</span>);
<a name="269" href="#269">269</a>         assertNotNull(o5);
<a name="270" href="#270">270</a>         pool.returnObject(<span class="string">"d"</span>, o5);
<a name="271" href="#271">271</a>         Thread.sleep(10);
<a name="272" href="#272">272</a> 
<a name="273" href="#273">273</a>         <em class="comment">// now re-request b, we should get a different object because it should</em>
<a name="274" href="#274">274</a>         <em class="comment">// have been expelled from pool (was oldest because a was requested after b)</em>
<a name="275" href="#275">275</a>         Object o6 = pool.borrowObject(<span class="string">"b"</span>);
<a name="276" href="#276">276</a>         assertNotNull(o6);
<a name="277" href="#277">277</a>         pool.returnObject(<span class="string">"b"</span>, o6);
<a name="278" href="#278">278</a> 
<a name="279" href="#279">279</a>         assertNotSame(o1, o6);
<a name="280" href="#280">280</a> 
<a name="281" href="#281">281</a>         <em class="comment">// second a is still in there</em>
<a name="282" href="#282">282</a>         Object o7 = pool.borrowObject(<span class="string">"a"</span>);
<a name="283" href="#283">283</a>         assertNotNull(o7);
<a name="284" href="#284">284</a>         pool.returnObject(<span class="string">"a"</span>, o7);
<a name="285" href="#285">285</a> 
<a name="286" href="#286">286</a>         assertSame(o4, o7);
<a name="287" href="#287">287</a>     }
<a name="288" href="#288">288</a> 
<a name="289" href="#289">289</a>     <strong>public</strong> <strong>void</strong> testSettersAndGetters() throws Exception {
<a name="290" href="#290">290</a>         GenericKeyedObjectPool pool = <strong>new</strong> GenericKeyedObjectPool();
<a name="291" href="#291">291</a>         {
<a name="292" href="#292">292</a>             pool.setFactory(<strong>new</strong> SimpleFactory());
<a name="293" href="#293">293</a>         }
<a name="294" href="#294">294</a>         {
<a name="295" href="#295">295</a>             pool.setMaxActive(123);
<a name="296" href="#296">296</a>             assertEquals(123,pool.getMaxActive());
<a name="297" href="#297">297</a>         }
<a name="298" href="#298">298</a>         {
<a name="299" href="#299">299</a>             pool.setMaxIdle(12);
<a name="300" href="#300">300</a>             assertEquals(12,pool.getMaxIdle());
<a name="301" href="#301">301</a>         }
<a name="302" href="#302">302</a>         {
<a name="303" href="#303">303</a>             pool.setMaxWait(1234L);
<a name="304" href="#304">304</a>             assertEquals(1234L,pool.getMaxWait());
<a name="305" href="#305">305</a>         }
<a name="306" href="#306">306</a>         {
<a name="307" href="#307">307</a>             pool.setMinEvictableIdleTimeMillis(12345L);
<a name="308" href="#308">308</a>             assertEquals(12345L,pool.getMinEvictableIdleTimeMillis());
<a name="309" href="#309">309</a>         }
<a name="310" href="#310">310</a>         {
<a name="311" href="#311">311</a>             pool.setNumTestsPerEvictionRun(11);
<a name="312" href="#312">312</a>             assertEquals(11,pool.getNumTestsPerEvictionRun());
<a name="313" href="#313">313</a>         }
<a name="314" href="#314">314</a>         {
<a name="315" href="#315">315</a>             pool.setTestOnBorrow(<strong>true</strong>);
<a name="316" href="#316">316</a>             assertTrue(pool.getTestOnBorrow());
<a name="317" href="#317">317</a>             pool.setTestOnBorrow(false);
<a name="318" href="#318">318</a>             assertTrue(!pool.getTestOnBorrow());
<a name="319" href="#319">319</a>         }
<a name="320" href="#320">320</a>         {
<a name="321" href="#321">321</a>             pool.setTestOnReturn(<strong>true</strong>);
<a name="322" href="#322">322</a>             assertTrue(pool.getTestOnReturn());
<a name="323" href="#323">323</a>             pool.setTestOnReturn(false);
<a name="324" href="#324">324</a>             assertTrue(!pool.getTestOnReturn());
<a name="325" href="#325">325</a>         }
<a name="326" href="#326">326</a>         {
<a name="327" href="#327">327</a>             pool.setTestWhileIdle(<strong>true</strong>);
<a name="328" href="#328">328</a>             assertTrue(pool.getTestWhileIdle());
<a name="329" href="#329">329</a>             pool.setTestWhileIdle(false);
<a name="330" href="#330">330</a>             assertTrue(!pool.getTestWhileIdle());
<a name="331" href="#331">331</a>         }
<a name="332" href="#332">332</a>         {
<a name="333" href="#333">333</a>             pool.setTimeBetweenEvictionRunsMillis(11235L);
<a name="334" href="#334">334</a>             assertEquals(11235L,pool.getTimeBetweenEvictionRunsMillis());
<a name="335" href="#335">335</a>         }
<a name="336" href="#336">336</a>         {
<a name="337" href="#337">337</a>             pool.setWhenExhaustedAction(GenericKeyedObjectPool.WHEN_EXHAUSTED_BLOCK);
<a name="338" href="#338">338</a>             assertEquals(GenericObjectPool.WHEN_EXHAUSTED_BLOCK,pool.getWhenExhaustedAction());
<a name="339" href="#339">339</a>             pool.setWhenExhaustedAction(GenericKeyedObjectPool.WHEN_EXHAUSTED_FAIL);
<a name="340" href="#340">340</a>             assertEquals(GenericObjectPool.WHEN_EXHAUSTED_FAIL,pool.getWhenExhaustedAction());
<a name="341" href="#341">341</a>             pool.setWhenExhaustedAction(GenericKeyedObjectPool.WHEN_EXHAUSTED_GROW);
<a name="342" href="#342">342</a>             assertEquals(GenericObjectPool.WHEN_EXHAUSTED_GROW,pool.getWhenExhaustedAction());
<a name="343" href="#343">343</a>         }
<a name="344" href="#344">344</a>     }
<a name="345" href="#345">345</a> 
<a name="346" href="#346">346</a>     <strong>public</strong> <strong>void</strong> testEviction() throws Exception {
<a name="347" href="#347">347</a>         pool.setMaxIdle(500);
<a name="348" href="#348">348</a>         pool.setMaxActive(500);
<a name="349" href="#349">349</a>         pool.setNumTestsPerEvictionRun(100);