TestAtoms.cpp revision 1b680fab74cd8cbc31681199ccfb4c0b55cbc8d5
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#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 < 30000; 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;
}