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Merge pull request #5721 from eugenp/fix-matcher-test

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fix regex matcher unit test
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Loredana Crusoveanu 2018-11-18 19:51:25 +02:00 committed by GitHub
commit 702495be5f
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1 changed files with 22 additions and 21 deletions
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43
core-java/src/test/java/com/baeldung/regexp/optmization/OptimizedMatcherUnitTest.java
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@ -1,6 +1,5 @@
package com.baeldung.regexp.optmization;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
@ -14,14 +13,16 @@ import static org.junit.Assert.assertTrue;
public class OptimizedMatcherUnitTest {
private long time;
private long mstimePreCompiled;
private long mstimeNotPreCompiled;
private String action;
private List<String> items;
private class TimeWrapper {
private long time;
private long mstimePreCompiled;
private long mstimeNotPreCompiled;
}
@Before
public void setup() {
Random random = new Random();
@ -48,27 +49,27 @@ public class OptimizedMatcherUnitTest {
@Test
public void givenANotPreCompiledAndAPreCompiledPatternA_whenMatcheItems_thenPreCompiledFasterThanNotPreCompiled() {
testPatterns("A*");
assertTrue(mstimePreCompiled < mstimeNotPreCompiled);
TimeWrapper timeObj = new TimeWrapper();
testPatterns("A*", timeObj);
assertTrue(timeObj.mstimePreCompiled < timeObj.mstimeNotPreCompiled);
}
@Test
public void givenANotPreCompiledAndAPreCompiledPatternABC_whenMatcheItems_thenPreCompiledFasterThanNotPreCompiled() {
testPatterns("A*B*C*");
assertTrue(mstimePreCompiled < mstimeNotPreCompiled);
TimeWrapper timeObj = new TimeWrapper();
testPatterns("A*B*C*", timeObj);
assertTrue(timeObj.mstimePreCompiled < timeObj.mstimeNotPreCompiled);
}
@Test
public void givenANotPreCompiledAndAPreCompiledPatternECWF_whenMatcheItems_thenPreCompiledFasterThanNotPreCompiled() {
testPatterns("E*C*W*F*");
assertTrue(mstimePreCompiled < mstimeNotPreCompiled);
TimeWrapper timeObj = new TimeWrapper();
testPatterns("E*C*W*F*", timeObj);
assertTrue(timeObj.mstimePreCompiled < timeObj.mstimeNotPreCompiled);
}
private void testPatterns(String regex) {
time = System.nanoTime();
private void testPatterns(String regex, TimeWrapper timeObj) {
timeObj.time = System.nanoTime();
int matched = 0;
int unmatched = 0;
@ -83,10 +84,10 @@ public class OptimizedMatcherUnitTest {
this.action = "uncompiled: regex=" + regex + " matched=" + matched + " unmatched=" + unmatched;
this.mstimeNotPreCompiled = (System.nanoTime() - time) / 1000000;
System.out.println(this.action + ": " + mstimeNotPreCompiled + "ms");
timeObj.mstimeNotPreCompiled = (System.nanoTime() - timeObj.time) / 1000000;
System.out.println(this.action + ": " + timeObj.mstimeNotPreCompiled + "ms");
time = System.nanoTime();
timeObj.time = System.nanoTime();
Matcher matcher = Pattern.compile(regex).matcher("");
matched = 0;
@ -103,7 +104,7 @@ public class OptimizedMatcherUnitTest {
this.action = "compiled: regex=" + regex + " matched=" + matched + " unmatched=" + unmatched;
this.mstimePreCompiled = (System.nanoTime() - time) / 1000000;
System.out.println(this.action + ": " + mstimePreCompiled + "ms");
timeObj.mstimePreCompiled = (System.nanoTime() - timeObj.time) / 1000000;
System.out.println(this.action + ": " + timeObj.mstimePreCompiled + "ms");
}
}