[ESNext] Add Map.prototype.mapKeys

sharmun · Mar 28, 2018 · cfa69c4 · cfa69c4
1 parent 18d7150
commit cfa69c4
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Showing 2 changed files with 199 additions and 109 deletions.
diff --git a/data-esnext.js b/data-esnext.js
@@ -3589,6 +3589,18 @@ exports.tests = [
       res: {
       }
     },
+    {
+      name: 'Map.prototype.mapKeys',
+      exec: function () {/*
+        var map = new Map([[1, 4], [2, 5], [3, 6]]).mapKeys((value, key) => key * key);
+        return map.size === 3
+          && map.get(1) === 4
+          && map.get(4) === 5
+          && map.get(9) === 6;
+      */},
+      res: {
+      }
+    },
     {
       name: 'Set.prototype.addAll',
       exec: function () {/*