1 files changed, 33 insertions, 16 deletions
diff --git a/deps/v8/test/js-perf-test/Collections/common.js b/deps/v8/test/js-perf-test/Collections/common.js
index 3ea3933374..7ae835f2ec 100644
--- a/deps/v8/test/js-perf-test/Collections/common.js
+++ b/deps/v8/test/js-perf-test/Collections/common.js
@@ -2,30 +2,47 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-
 var N = 10;
+var LargeN = 1e4;
 var keys;
+var keyValuePairs;
+
+function SetupKeyValuePairsFromKeys() {
+  keyValuePairs = keys.map((v) => [v, v]);
+}
+
+function SetupSmiKeys(count = 2 * N) {
+  keys = Array.from({ length : count }, (v, i) => i);
+}
 
+function SetupSmiKeyValuePairs(count = 2 * N) {
+  SetupSmiKeys(count);
+  SetupKeyValuePairsFromKeys();
+}
 
-function SetupSmiKeys() {
-  keys = new Array(N * 2);
-  for (var i = 0; i < N * 2; i++) {
-    keys[i] = i;
-  }
+function SetupStringKeys(count = 2 * N) {
+  keys = Array.from({ length : count }, (v, i) => 's' + i);
 }
 
+function SetupStringKeyValuePairs(count = 2 * N) {
+  SetupStringKeys(count);
+  SetupKeyValuePairsFromKeys();
+}
 
-function SetupStringKeys() {
-  keys = new Array(N * 2);
-  for (var i = 0; i < N * 2; i++) {
-    keys[i] = 's' + i;
-  }
+function SetupObjectKeys(count = 2 * N) {
+  keys = Array.from({ length : count }, (v, i) => ({}));
 }
 
+function SetupObjectKeyValuePairs(count = 2 * N) {
+  SetupObjectKeys(count);
+  SetupKeyValuePairsFromKeys();
+}
+
+function SetupDoubleKeys(count = 2 * N) {
+  keys = Array.from({ length : count }, (v, i) => i + 0.234);
+}
 
-function SetupObjectKeys() {
-  keys = new Array(N * 2);
-  for (var i = 0; i < N * 2; i++) {
-    keys[i] = {};
-  }
+function SetupDoubleKeyValuePairs(count = 2 * N) {
+  SetupDoubleKeys(count);
+  SetupKeyValuePairsFromKeys();
 }