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<a name="158" href="#158">158</a> ProtocolCodecSession session = <strong class="jxr_keyword">new</strong> ProtocolCodecSession();<a name="159" href="#159">159</a> ProtocolDecoderOutput out = session.getDecoderOutput();<a name="160" href="#160">160</a> IoBuffer in = IoBuffer.allocate(16);<a name="161" href="#161">161</a> <a name="162" href="#162">162</a> <em class="jxr_comment">// Test one decode and one output</em><a name="163" href="#163">163</a> in.putString(<span class="jxr_string">"ABC\r\n"</span>, encoder);<a name="164" href="#164">164</a> in.flip();<a name="165" href="#165">165</a> decoder.decode(session, in, out);<a name="166" href="#166">166</a> Assert.assertEquals(1, session.getDecoderOutputQueue().size());<a name="167" href="#167">167</a> Assert.assertEquals(<span class="jxr_string">"ABC"</span>, session.getDecoderOutputQueue().poll());<a name="168" href="#168">168</a> <a name="169" href="#169">169</a> <em class="jxr_comment">// Test two decode and one output</em><a name="170" href="#170">170</a> in.clear();<a name="171" href="#171">171</a> in.putString(<span class="jxr_string">"DEF"</span>, encoder);<a name="172" href="#172">172</a> in.flip();<a name="173" href="#173">173</a> decoder.decode(session, in, out);<a name="174" href="#174">174</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="175" href="#175">175</a> in.clear();<a name="176" href="#176">176</a> in.putString(<span class="jxr_string">"GHI\r\n"</span>, encoder);<a name="177" href="#177">177</a> in.flip();<a name="178" href="#178">178</a> decoder.decode(session, in, out);<a name="179" href="#179">179</a> Assert.assertEquals(1, session.getDecoderOutputQueue().size());<a name="180" href="#180">180</a> Assert.assertEquals(<span class="jxr_string">"DEFGHI"</span>, session.getDecoderOutputQueue().poll());<a name="181" href="#181">181</a> <a name="182" href="#182">182</a> <em class="jxr_comment">// Test one decode and two output</em><a name="183" href="#183">183</a> in.clear();<a name="184" href="#184">184</a> in.putString(<span class="jxr_string">"JKL\r\nMNO\r\n"</span>, encoder);<a name="185" href="#185">185</a> in.flip();<a name="186" href="#186">186</a> decoder.decode(session, in, out);<a name="187" href="#187">187</a> Assert.assertEquals(2, session.getDecoderOutputQueue().size());<a name="188" href="#188">188</a> Assert.assertEquals(<span class="jxr_string">"JKL"</span>, session.getDecoderOutputQueue().poll());<a name="189" href="#189">189</a> Assert.assertEquals(<span class="jxr_string">"MNO"</span>, session.getDecoderOutputQueue().poll());<a name="190" href="#190">190</a> <a name="191" href="#191">191</a> <em class="jxr_comment">// Test multiple '\n's</em><a name="192" href="#192">192</a> in.clear();<a name="193" href="#193">193</a> in.putString(<span class="jxr_string">"\n\n\n"</span>, encoder);<a name="194" href="#194">194</a> in.flip();<a name="195" href="#195">195</a> decoder.decode(session, in, out);<a name="196" href="#196">196</a> Assert.assertEquals(3, session.getDecoderOutputQueue().size());<a name="197" href="#197">197</a> Assert.assertEquals(<span class="jxr_string">""</span>, session.getDecoderOutputQueue().poll());<a name="198" href="#198">198</a> Assert.assertEquals(<span class="jxr_string">""</span>, session.getDecoderOutputQueue().poll());<a name="199" href="#199">199</a> Assert.assertEquals(<span class="jxr_string">""</span>, session.getDecoderOutputQueue().poll());<a name="200" href="#200">200</a> <a name="201" href="#201">201</a> <em class="jxr_comment">// Test splitted long delimiter (\r\r\n)</em><a name="202" href="#202">202</a> in.clear();<a name="203" href="#203">203</a> in.putString(<span class="jxr_string">"PQR\r"</span>, encoder);<a name="204" href="#204">204</a> in.flip();<a name="205" href="#205">205</a> decoder.decode(session, in, out);<a name="206" href="#206">206</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="207" href="#207">207</a> in.clear();<a name="208" href="#208">208</a> in.putString(<span class="jxr_string">"\r"</span>, encoder);<a name="209" href="#209">209</a> in.flip();<a name="210" href="#210">210</a> decoder.decode(session, in, out);<a name="211" href="#211">211</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="212" href="#212">212</a> in.clear();<a name="213" href="#213">213</a> in.putString(<span class="jxr_string">"\n"</span>, encoder);<a name="214" href="#214">214</a> in.flip();<a name="215" href="#215">215</a> decoder.decode(session, in, out);<a name="216" href="#216">216</a> Assert.assertEquals(1, session.getDecoderOutputQueue().size());<a name="217" href="#217">217</a> Assert.assertEquals(<span class="jxr_string">"PQR"</span>, session.getDecoderOutputQueue().poll());<a name="218" href="#218">218</a> <a name="219" href="#219">219</a> <em class="jxr_comment">// Test splitted long delimiter (\r\r\n) which produces two output</em><a name="220" href="#220">220</a> in.clear();<a name="221" href="#221">221</a> in.putString(<span class="jxr_string">"PQR\r"</span>, encoder);<a name="222" href="#222">222</a> in.flip();<a name="223" href="#223">223</a> decoder.decode(session, in, out);<a name="224" href="#224">224</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="225" href="#225">225</a> in.clear();<a name="226" href="#226">226</a> in.putString(<span class="jxr_string">"\r"</span>, encoder);<a name="227" href="#227">227</a> in.flip();<a name="228" href="#228">228</a> decoder.decode(session, in, out);<a name="229" href="#229">229</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="230" href="#230">230</a> in.clear();<a name="231" href="#231">231</a> in.putString(<span class="jxr_string">"\nSTU\r\r\n"</span>, encoder);<a name="232" href="#232">232</a> in.flip();<a name="233" href="#233">233</a> decoder.decode(session, in, out);<a name="234" href="#234">234</a> Assert.assertEquals(2, session.getDecoderOutputQueue().size());<a name="235" href="#235">235</a> Assert.assertEquals(<span class="jxr_string">"PQR"</span>, session.getDecoderOutputQueue().poll());<a name="236" href="#236">236</a> Assert.assertEquals(<span class="jxr_string">"STU"</span>, session.getDecoderOutputQueue().poll());<a name="237" href="#237">237</a> <a name="238" href="#238">238</a> <em class="jxr_comment">// Test splitted long delimiter mixed with partial non-delimiter.</em><a name="239" href="#239">239</a> in.clear();<a name="240" href="#240">240</a> in.putString(<span class="jxr_string">"PQR\r"</span>, encoder);<a name="241" href="#241">241</a> in.flip();<a name="242" href="#242">242</a> decoder.decode(session, in, out);<a name="243" href="#243">243</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="244" href="#244">244</a> in.clear();<a name="245" href="#245">245</a> in.putString(<span class="jxr_string">"X\r"</span>, encoder);<a name="246" href="#246">246</a> in.flip();<a name="247" href="#247">247</a> decoder.decode(session, in, out);<a name="248" href="#248">248</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="249" href="#249">249</a> in.clear();<a name="250" href="#250">250</a> in.putString(<span class="jxr_string">"\r\nSTU\r\r\n"</span>, encoder);<a name="251" href="#251">251</a> in.flip();<a name="252" href="#252">252</a> decoder.decode(session, in, out);<a name="253" href="#253">253</a> Assert.assertEquals(2, session.getDecoderOutputQueue().size());<a name="254" href="#254">254</a> Assert.assertEquals(<span class="jxr_string">"PQR\rX"</span>, session.getDecoderOutputQueue().poll());<a name="255" href="#255">255</a> Assert.assertEquals(<span class="jxr_string">"STU"</span>, session.getDecoderOutputQueue().poll());<a name="256" href="#256">256</a> }<a name="257" href="#257">257</a> <a name="258" href="#258">258</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testOverflow() <strong class="jxr_keyword">throws</strong> Exception {<a name="259" href="#259">259</a> TextLineDecoder decoder = <strong class="jxr_keyword">new</strong> TextLineDecoder(Charset.forName(<span class="jxr_string">"UTF-8"</span>),<a name="260" href="#260">260</a> LineDelimiter.AUTO);<a name="261" href="#261">261</a> decoder.setMaxLineLength(3);<a name="262" href="#262">262</a> <a name="263" href="#263">263</a> CharsetEncoder encoder = Charset.forName(<span class="jxr_string">"UTF-8"</span>).newEncoder();<a name="264" href="#264">264</a> ProtocolCodecSession session = <strong class="jxr_keyword">new</strong> ProtocolCodecSession();<a name="265" href="#265">265</a> ProtocolDecoderOutput out = session.getDecoderOutput();<a name="266" href="#266">266</a> IoBuffer in = IoBuffer.allocate(16);<a name="267" href="#267">267</a> <a name="268" href="#268">268</a> <em class="jxr_comment">// Make sure the overflow exception is not thrown until</em><a name="269" href="#269">269</a> <em class="jxr_comment">// the delimiter is encountered.</em><a name="270" href="#270">270</a> in.putString(<span class="jxr_string">"A"</span>, encoder).flip().mark();<a name="271" href="#271">271</a> decoder.decode(session, in.reset().mark(), out);<a name="272" href="#272">272</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="273" href="#273">273</a> decoder.decode(session, in.reset().mark(), out);<a name="274" href="#274">274</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="275" href="#275">275</a> decoder.decode(session, in.reset().mark(), out);<a name="276" href="#276">276</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="277" href="#277">277</a> decoder.decode(session, in.reset().mark(), out);<a name="278" href="#278">278</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="279" href="#279">279</a> <a name="280" href="#280">280</a> in.clear().putString(<span class="jxr_string">"A\r\nB\r\n"</span>, encoder).flip();<a name="281" href="#281">281</a> <strong class="jxr_keyword">try</strong> {<a name="282" href="#282">282</a> decoder.decode(session, in, out);<a name="283" href="#283">283</a> Assert.fail();<a name="284" href="#284">284</a> } <strong class="jxr_keyword">catch</strong> (RecoverableProtocolDecoderException e) {<a name="285" href="#285">285</a> <em class="jxr_comment">// Success!</em><a name="286" href="#286">286</a> }<a name="287" href="#287">287</a> <a name="288" href="#288">288</a> decoder.decode(session, in, out);<a name="289" href="#289">289</a> Assert.assertEquals(1, session.getDecoderOutputQueue().size());<a name="290" href="#290">290</a> Assert.assertEquals(<span class="jxr_string">"B"</span>, session.getDecoderOutputQueue().poll());<a name="291" href="#291">291</a> <a name="292" href="#292">292</a> <em class="jxr_comment">// Make sure OOM is not thrown.</em><a name="293" href="#293">293</a> System.gc();<a name="294" href="#294">294</a> <strong class="jxr_keyword">long</strong> oldFreeMemory = Runtime.getRuntime().freeMemory();<a name="295" href="#295">295</a> in = IoBuffer.allocate(1048576 * 16).sweep((byte) ' ').mark();<a name="296" href="#296">296</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < 10; i ++) {<a name="297" href="#297">297</a> decoder.decode(session, in.reset().mark(), out);<a name="298" href="#298">298</a> Assert.assertEquals(0, session.getDecoderOutputQueue().size());<a name="299" href="#299">299</a> <a name="300" href="#300">300</a> <em class="jxr_comment">// Memory consumption should be minimal.</em><a name="301" href="#301">301</a> Assert.assertTrue(Runtime.getRuntime().freeMemory() - oldFreeMemory < 1048576);<a name="302" href="#302">302</a> }<a name="303" href="#303">303</a> <a name="304" href="#304">304</a> in.clear().putString(<span class="jxr_string">"C\r\nD\r\n"</span>, encoder).flip();<a name="305" href="#305">305</a> <strong class="jxr_keyword">try</strong> {<a name="306" href="#306">306</a> decoder.decode(session, in, out);<a name="307" href="#307">307</a> Assert.fail();<a name="308" href="#308">308</a> } <strong class="jxr_keyword">catch</strong> (RecoverableProtocolDecoderException e) {<a name="309" href="#309">309</a> <em class="jxr_comment">// Success!</em><a name="310" href="#310">310</a> }<a name="311" href="#311">311</a> <a name="312" href="#312">312</a> decoder.decode(session, in, out);<a name="313" href="#313">313</a> Assert.assertEquals(1, session.getDecoderOutputQueue().size());<a name="314" href="#314">314</a> Assert.assertEquals(<span class="jxr_string">"D"</span>, session.getDecoderOutputQueue().poll());<a name="315" href="#315">315</a> <a name="316" href="#316">316</a> <em class="jxr_comment">// Memory consumption should be minimal.</em><a name="317" href="#317">317</a> Assert.assertTrue(Runtime.getRuntime().freeMemory() - oldFreeMemory < 1048576);<a name="318" href="#318">318</a> }<a name="319" href="#319">319</a> }</pre><hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body></html>⌨️ 快捷键说明
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