PRBool test_atomtable() { nsrefcnt count = NS_GetNumberOfAtoms(); nsCOMPtr<nsIAtom> thirdNonPerm = do_GetAtom(THIRD_ATOM_STR); if (isStaticAtom(thirdNonPerm)) return PR_FALSE; if (!thirdNonPerm || NS_GetNumberOfAtoms() != count + 1) return PR_FALSE; NS_RegisterStaticAtoms(sAtoms_info, NS_ARRAY_LENGTH(sAtoms_info)); return sAtom1 && sAtom1->Equals(NS_LITERAL_STRING(FIRST_ATOM_STR)) && isStaticAtom(sAtom1) && sAtom2 && sAtom2->Equals(NS_LITERAL_STRING(SECOND_ATOM_STR)) && isStaticAtom(sAtom2) && sAtom3 && sAtom3->Equals(NS_LITERAL_STRING(THIRD_ATOM_STR)) && isStaticAtom(sAtom3) && NS_GetNumberOfAtoms() == count + 3 && thirdNonPerm == sAtom3; }
PRBool test_permanent() { nsrefcnt count = NS_GetNumberOfAtoms(); { nsCOMPtr<nsIAtom> first = do_GetAtom(FIRST_PERM_ATOM_STR); if (!first->Equals(NS_LITERAL_STRING(FIRST_PERM_ATOM_STR)) || isStaticAtom(first)) return PR_FALSE; nsCOMPtr<nsIAtom> first_p = NS_NewPermanentAtom(NS_LITERAL_STRING(FIRST_PERM_ATOM_STR)); if (!first_p->Equals(NS_LITERAL_STRING(FIRST_PERM_ATOM_STR)) || !isStaticAtom(first_p) || first != first_p) return PR_FALSE; nsCOMPtr<nsIAtom> second_p = NS_NewPermanentAtom(NS_LITERAL_STRING(SECOND_PERM_ATOM_STR)); if (!second_p->Equals(NS_LITERAL_STRING(SECOND_PERM_ATOM_STR)) || !isStaticAtom(second_p)) return PR_FALSE; nsCOMPtr<nsIAtom> second = do_GetAtom(SECOND_PERM_ATOM_STR); if (!second->Equals(NS_LITERAL_STRING(SECOND_PERM_ATOM_STR)) || !isStaticAtom(second) || second != second_p) return PR_FALSE; } return NS_GetNumberOfAtoms() == count + 2; }
PRBool test_invalid() { for (unsigned int i = 0; i < NS_ARRAY_LENGTH(Invalid16Strings); ++i) { nsrefcnt count = NS_GetNumberOfAtoms(); { nsCOMPtr<nsIAtom> atom16 = do_GetAtom(Invalid16Strings[i].m16); if (!atom16->Equals(nsDependentString(Invalid16Strings[i].m16))) return PR_FALSE; } if (count != NS_GetNumberOfAtoms()) return PR_FALSE; } for (unsigned int i = 0; i < NS_ARRAY_LENGTH(Invalid8Strings); ++i) { nsrefcnt count = NS_GetNumberOfAtoms(); { nsCOMPtr<nsIAtom> atom8 = do_GetAtom(Invalid8Strings[i].m8); nsCOMPtr<nsIAtom> atom16 = do_GetAtom(Invalid8Strings[i].m16); if (atom16 != atom8 || !atom16->Equals(nsDependentString(Invalid8Strings[i].m16))) return PR_FALSE; } if (count != NS_GetNumberOfAtoms()) return PR_FALSE; } // Don't run this test in debug builds as that intentionally asserts. #ifndef DEBUG nsCOMPtr<nsIAtom> emptyAtom = do_GetAtom(""); for (unsigned int i = 0; i < NS_ARRAY_LENGTH(Malformed8Strings); ++i) { nsrefcnt count = NS_GetNumberOfAtoms(); nsCOMPtr<nsIAtom> atom8 = do_GetAtom(Malformed8Strings[i]); if (atom8 != emptyAtom || count != NS_GetNumberOfAtoms()) return PR_FALSE; } #endif return PR_TRUE; }
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_LossyConvertUTF16toASCII(s1).get(), i, NS_LossyConvertUTF16toASCII(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; }