ES6 symbols: enable symbols as weak map keys

test/mjsunit/harmony/symbols.js

Index: test/mjsunit/harmony/symbols.js
diff --git a/test/mjsunit/harmony/symbols.js b/test/mjsunit/harmony/symbols.js
index b35d950981ba1f119cbc71a88a8eb21eca9f9a38..b0aebd345ba34a298be3db07d837cf0ac4b1d4b4 100644
--- a/test/mjsunit/harmony/symbols.js
+++ b/test/mjsunit/harmony/symbols.js
@@ -114,17 +114,33 @@ function TestSet() {
 TestSet()
 
 
-function TestMap() {
+function TestCollections() {
+  var set = new Set
   var map = new Map
+  var weakmap = new WeakMap
   for (var i in symbols) {
+    set.add(symbols[i])
     map.set(symbols[i], i)
+    weakmap.set(symbols[i], i)
   }
+  assertEquals(symbols.length, set.size)
+  assertEquals(symbols.length, map.size)
   for (var i in symbols) {
+    assertTrue(set.has(symbols[i]))
     assertTrue(map.has(symbols[i]))
+    assertTrue(weakmap.has(symbols[i]))
     assertEquals(i, map.get(symbols[i]))
+    assertEquals(i, weakmap.get(symbols[i]))
   }
+  for (var i in symbols) {
+    assertTrue(set.delete(symbols[i]))
+    assertTrue(map.delete(symbols[i]))
+    assertTrue(weakmap.delete(symbols[i]))
+  }
+  assertEquals(0, set.size)
+  assertEquals(0, map.size)
 }
-TestMap()
+TestCollections()