jasder
/
antlr
1
0
Fork 1
Code Issues Pull Requests Releases 1 Wiki Activity

Add the SHUFFLE_FILES_AT_START and SHUFFLE_FILES_AFTER_ITERATIONS options to TestPerformance

This commit is contained in:
Sam Harwell 2013-04-21 14:55:31 -05:00
parent ecf2258380
commit e438b60f37
1 changed files with 29 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
tool/test/org/antlr/v4/test/TestPerformance.java
View File

@ -79,8 +79,10 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.BitSet;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
@ -110,6 +112,22 @@ public class TestPerformance extends BaseTest {
*/
private static final boolean RECURSIVE = true;
/**
* {@code true} to call {@link Collections#shuffle} on the list of input
* files before the first parse iteration.
*/
private static final boolean SHUFFLE_FILES_AT_START = false;
/**
* {@code true} to call {@link Collections#shuffle} before each parse
* iteration <em>after</em> the first.
*/
private static final boolean SHUFFLE_FILES_AFTER_ITERATIONS = false;
/**
* The instance of {@link Random} passed when calling
* {@link Collections#shuffle}.
*/
private static final Random RANDOM = new Random();
/**
* {@code true} to use the Java grammar with expressions in the v4
* left-recursive syntax (Java-LR.g4). {@code false} to use the standard
@ -273,7 +291,10 @@ public class TestPerformance extends BaseTest {
File directory = new File(jdkSourceRoot);
assertTrue(directory.isDirectory());
Collection<CharStream> sources = loadSources(directory, new FileExtensionFilenameFilter(".java"), RECURSIVE);
List<CharStream> sources = loadSources(directory, new FileExtensionFilenameFilter(".java"), RECURSIVE);
if (SHUFFLE_FILES_AT_START) {
Collections.shuffle(sources, RANDOM);
}
System.out.print(getOptionsDescription(TOP_PACKAGE));
@ -300,6 +321,10 @@ public class TestPerformance extends BaseTest {
Arrays.fill(sharedParsers, null);
}
if (SHUFFLE_FILES_AFTER_ITERATIONS) {
Collections.shuffle(sources, RANDOM);
}
parse2(factory, sources);
}
@ -380,12 +405,12 @@ public class TestPerformance extends BaseTest {
parseSources(factory, sources);
}
protected Collection<CharStream> loadSources(File directory, FilenameFilter filter, boolean recursive) {
protected List<CharStream> loadSources(File directory, FilenameFilter filter, boolean recursive) {
return loadSources(directory, filter, null, recursive);
}
protected Collection<CharStream> loadSources(File directory, FilenameFilter filter, String encoding, boolean recursive) {
Collection<CharStream> result = new ArrayList<CharStream>();
protected List<CharStream> loadSources(File directory, FilenameFilter filter, String encoding, boolean recursive) {
List<CharStream> result = new ArrayList<CharStream>();
loadSources(directory, filter, encoding, recursive, result);
return result;
}