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ICU-2880 force alphabetic order so tests run consistently across platforms/jvms

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X-SVN-Rev: 11986
This commit is contained in:
Doug Felt 2003-05-16 23:37:01 +00:00
parent d3ce1073da
commit 606293a802
1 changed files with 36 additions and 11 deletions
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47
icu4j/src/com/ibm/icu/dev/test/TestFmwk.java
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@ -5,8 +5,8 @@
*******************************************************************************
*
* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/icu/dev/test/TestFmwk.java,v $
* $Date: 2003/05/14 19:03:16 $
* $Revision: 1.43 $
* $Date: 2003/05/16 23:37:01 $
* $Revision: 1.44 $
*
*****************************************************************************************
*/
@ -20,6 +20,8 @@ import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Locale;
import java.util.Random;
import java.util.TimeZone;
@ -238,7 +240,7 @@ public class TestFmwk extends AbstractTestLog {
*/
public class Target {
private Target next;
protected final String name;
public final String name;
public Target(String name) {
this.name = name;
@ -366,8 +368,7 @@ public class TestFmwk extends AbstractTestLog {
}
private Target randomize(Target t) {
if (params.random != null && t != null && t.getNext() != null) {
Random r = params.random;
if (t != null && t.getNext() != null) {
ArrayList list = new ArrayList();
while (t != null) {
list.add(t);
@ -376,12 +377,34 @@ public class TestFmwk extends AbstractTestLog {
Target[] arr = (Target[])list.toArray(new Target[list.size()]);
for (int i = arr.length; --i >= 1;) {
int x = r.nextInt(i+1);
t = arr[x].setNext(t);
arr[x] = arr[i];
if (true) { // todo - add to params?
// different jvms return class methods in different orders,
// so we sort them (always, and then randomize them, so that
// forcing a seed will also work across jvms).
Arrays.sort(arr, new Comparator() {
public int compare(Object lhs, Object rhs) {
// sort in reverse order, later we link up in forward order
return ((Target)rhs).name.compareTo(((Target)lhs).name);
}
});
// t is null to start, ends up as first element (arr[arr.length-1])
for (int i = 0; i < arr.length; ++i) {
t = arr[i].setNext(t); // relink in forward order
}
}
if (params.random != null) {
t = null; // reset t to null
Random r = params.random;
for (int i = arr.length; --i >= 1;) {
int x = r.nextInt(i+1);
t = arr[x].setNext(t);
arr[x] = arr[i];
}
t = arr[0].setNext(t); // new first element
}
t = arr[0].setNext(t);
}
return t;
@ -736,7 +759,9 @@ public class TestFmwk extends AbstractTestLog {
System.out.println(" -n[othrow] Message on test failure rather than exception");
System.out.println(" -prompt Prompt before exiting");
System.out.println(" -q[uiet] Do not show warnings");
System.out.println(" -r[andom][:<n>] If present, randomize targets. If n is present, use it as the seed.");
System.out.println(" -r[andom][:<n>] If present, randomize targets. If n is present,\n" +
" use it as the seed. If random is not set, targets will\n" +
" be in alphabetical order to ensure cross-platform consistency.");
System.out.println(" -v[erbose] Show log messages");
System.out.println(" -w[arning] Continue in presence of warnings, and disable missing test warnings.");
System.out.println();