| /** |
| * Copyright (c) 2004-2011 QOS.ch |
| * All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| */ |
| package org.slf4j.profiler; |
| |
| import junit.framework.TestCase; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ProfilerTest extends TestCase { |
| |
| Logger logger = LoggerFactory.getLogger(ProfilerTest.class); |
| |
| public void setUp() throws Exception { |
| super.setUp(); |
| } |
| |
| public void testSmoke() { |
| Profiler profiler = new Profiler("SMOKE"); |
| profiler.stop(); |
| StopWatch gSW = profiler.globalStopWatch; |
| |
| // verify |
| profiler.sanityCheck(); |
| assertEquals(TimeInstrumentStatus.STOPPED, gSW.status); |
| assertEquals(0, profiler.childTimeInstrumentList.size()); |
| assertNull(profiler.getLastTimeInstrument()); |
| } |
| |
| public void testBasicProfiling() { |
| Profiler profiler = new Profiler("BAS"); |
| |
| profiler.start("doX"); |
| doX(1); |
| |
| profiler.start("doY"); |
| doY(10); |
| |
| profiler.start("doZ"); |
| doZ(2); |
| profiler.stop(); |
| |
| // verify |
| profiler.sanityCheck(); |
| StopWatch gSW = profiler.globalStopWatch; |
| assertEquals(TimeInstrumentStatus.STOPPED, gSW.status); |
| assertEquals(3, profiler.childTimeInstrumentList.size()); |
| assertNotNull(profiler.getLastTimeInstrument()); |
| assertEquals("doZ", profiler.getLastTimeInstrument().getName()); |
| } |
| |
| // + Profiler [BAS] |
| // |-- elapsed time [doX] 1.272 milliseconds. |
| // |-- elapsed time [doYYYYY] 25.398 milliseconds. |
| // |--+ Profiler [subtask] |
| // |-- elapsed time [n1] 1.434 milliseconds. |
| // |-- elapsed time [n2] 5.855 milliseconds. |
| // |-- Total elapsed time [subtask] 7.321 milliseconds. |
| // |-- elapsed time [doZ] 3.211 milliseconds. |
| // |-- Total elapsed time [BAS] 30.317 milliseconds. |
| public void testNestedProfiling() { |
| |
| Profiler profiler = new Profiler("BAS"); |
| profiler.setLogger(logger); |
| profiler.start("doX"); |
| doX(1); |
| |
| profiler.start("doYYYYY"); |
| for (int i = 0; i < 5; i++) { |
| doY(i); |
| } |
| Profiler nested = profiler.startNested("subtask"); |
| doSubtask(nested); |
| profiler.start("doZ"); |
| doZ(2); |
| profiler.stop(); |
| |
| // verify |
| profiler.sanityCheck(); |
| StopWatch gSW = profiler.globalStopWatch; |
| assertEquals(TimeInstrumentStatus.STOPPED, gSW.status); |
| // assertEquals(3, profiler.stopwatchList.size()); |
| assertEquals(4, profiler.childTimeInstrumentList.size()); |
| assertNotNull(profiler.getLastTimeInstrument()); |
| assertEquals("doZ", profiler.getLastTimeInstrument().getName()); |
| |
| } |
| |
| private void doX(int millis) { |
| delay(millis); |
| } |
| |
| private void doY(int millis) { |
| delay(millis); |
| } |
| |
| private void doZ(int millis) { |
| delay(millis); |
| } |
| |
| public void doSubtask(Profiler nested) { |
| nested.start("n1"); |
| doX(1); |
| |
| nested.start("n2"); |
| doX(5); |
| nested.stop(); |
| } |
| |
| void delay(int millis) { |
| try { |
| Thread.sleep(millis); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |