1 files changed, 132 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/tests/TestAtoms.cpp b/src/libs/xpcom18a4/xpcom/tests/TestAtoms.cpp
new file mode 100644
index 00000000..48b2f603
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/tests/TestAtoms.cpp
@@ -0,0 +1,132 @@
+/* -*- 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 < 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;
+}