зеркало из https://github.com/mozilla/gecko-dev.git
116 строки
3.2 KiB
C++
116 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsIAtom.h"
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#include "nsString.h"
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#include "prprf.h"
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#include "prtime.h"
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#include <stdio.h>
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extern "C" int _CrtSetDbgFlag(int);
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int main(int argc, char** argv)
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{
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FILE* fp = fopen("words.txt", "r");
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if (nsnull == fp) {
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printf("can't open words.txt\n");
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return -1;
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}
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PRInt32 count = 0;
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PRUnichar** strings = new PRUnichar*[60000];
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nsIAtom** ids = new nsIAtom*[60000];
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nsAutoString s1, s2;
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PRTime start = PR_Now();
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PRInt32 i;
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for (i = 0; i < 60000; i++) {
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char buf[1000];
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char* s = fgets(buf, sizeof(buf), fp);
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if (nsnull == s) {
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break;
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}
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nsAutoString sb(buf);
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strings[count++] = sb.ToNewUnicode();
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sb.ToUpperCase();
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strings[count++] = sb.ToNewUnicode();
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}
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PRTime end0 = PR_Now();
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// Find and create idents
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for (i = 0; i < count; i++) {
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ids[i] = NS_NewAtom(strings[i]);
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}
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PRUnichar qqs[1]; qqs[0] = 0;
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nsIAtom* qq = NS_NewAtom(qqs);
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PRTime end1 = PR_Now();
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// Now make sure we can find all the idents we just made
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for (i = 0; i < count; i++) {
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const PRUnichar *unicodeString;
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ids[i]->GetUnicode(&unicodeString);
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nsIAtom* id = NS_NewAtom(unicodeString);
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if (id != ids[i]) {
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id->ToString(s1);
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ids[i]->ToString(s2);
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printf("find failed: id='%s' ids[%d]='%s'\n",
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s1.ToNewCString(), i, s2.ToNewCString());
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return -1;
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}
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NS_RELEASE(id);
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}
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PRTime end2 = PR_Now();
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// Destroy all the atoms we just made
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NS_RELEASE(qq);
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for (i = 0; i < count; i++) {
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NS_RELEASE(ids[i]);
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}
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// Print out timings
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PRTime end3 = PR_Now();
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PRTime creates, finds, lookups, dtor, ustoms;
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LL_I2L(ustoms, 1000);
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LL_SUB(creates, end0, start);
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LL_DIV(creates, creates, ustoms);
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LL_SUB(finds, end1, end0);
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LL_DIV(finds, finds, ustoms);
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LL_SUB(lookups, end2, end1);
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LL_DIV(lookups, lookups, ustoms);
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LL_SUB(dtor, end3, end2);
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char buf[500];
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PR_snprintf(buf, sizeof(buf), "making %d ident strings took %lldms",
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count, creates);
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puts(buf);
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PR_snprintf(buf, sizeof(buf), "%d new idents took %lldms",
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count, finds);
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puts(buf);
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PR_snprintf(buf, sizeof(buf), "%d ident lookups took %lldms",
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count, lookups);
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puts(buf);
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PR_snprintf(buf, sizeof(buf), "dtor took %lldusec", dtor);
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puts(buf);
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printf("%d live atoms\n", NS_GetNumberOfAtoms());
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NS_POSTCONDITION(0 == NS_GetNumberOfAtoms(), "dangling atoms");
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return 0;
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}
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