RetroZilla/xpcom/tests/TestAtoms.cpp

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2015-10-21 05:03:22 +02:00
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsIAtom.h"
#include "nsString.h"
#include "nsReadableUtils.h"
#include "prprf.h"
#include "prtime.h"
#include <stdio.h>
extern "C" int _CrtSetDbgFlag(int);
int main(int argc, char** argv)
{
FILE* fp = fopen("words.txt", "r");
if (nsnull == fp) {
printf("can't open words.txt\n");
return -1;
}
PRInt32 count = 0;
PRUnichar** strings = new PRUnichar*[60000];
nsIAtom** ids = new nsIAtom*[60000];
nsAutoString s1, s2;
PRTime start = PR_Now();
PRInt32 i;
for (i = 0; i < 60000; i++) {
char buf[1000];
char* s = fgets(buf, sizeof(buf), fp);
if (nsnull == s) {
break;
}
nsCAutoString sb;
sb.Assign(buf);
strings[count++] = ToNewUnicode(sb);
ToUpperCase(sb);
strings[count++] = ToNewUnicode(sb);
}
PRTime end0 = PR_Now();
// Find and create idents
for (i = 0; i < count; i++) {
ids[i] = NS_NewAtom(strings[i]);
}
PRUnichar qqs[1]; qqs[0] = 0;
nsIAtom* qq = NS_NewAtom(qqs);
PRTime end1 = PR_Now();
// Now make sure we can find all the idents we just made
for (i = 0; i < count; i++) {
const char *utf8String;
ids[i]->GetUTF8String(&utf8String);
nsIAtom* id = NS_NewAtom(utf8String);
if (id != ids[i]) {
id->ToString(s1);
ids[i]->ToString(s2);
printf("find failed: id='%s' ids[%d]='%s'\n",
NS_LossyConvertUCS2toASCII(s1).get(), i, NS_LossyConvertUCS2toASCII(s2).get());
return -1;
}
NS_RELEASE(id);
}
PRTime end2 = PR_Now();
// Destroy all the atoms we just made
NS_RELEASE(qq);
for (i = 0; i < count; i++) {
NS_RELEASE(ids[i]);
}
// Print out timings
PRTime end3 = PR_Now();
PRTime creates, finds, lookups, dtor, ustoms;
LL_I2L(ustoms, 1000);
LL_SUB(creates, end0, start);
LL_DIV(creates, creates, ustoms);
LL_SUB(finds, end1, end0);
LL_DIV(finds, finds, ustoms);
LL_SUB(lookups, end2, end1);
LL_DIV(lookups, lookups, ustoms);
LL_SUB(dtor, end3, end2);
char buf[500];
PR_snprintf(buf, sizeof(buf), "making %d ident strings took %lldms",
count, creates);
puts(buf);
PR_snprintf(buf, sizeof(buf), "%d new idents took %lldms",
count, finds);
puts(buf);
PR_snprintf(buf, sizeof(buf), "%d ident lookups took %lldms",
count, lookups);
puts(buf);
PR_snprintf(buf, sizeof(buf), "dtor took %lldusec", dtor);
puts(buf);
printf("%d live atoms\n", NS_GetNumberOfAtoms());
NS_POSTCONDITION(0 == NS_GetNumberOfAtoms(), "dangling atoms");
return 0;
}