1 files changed, 5 insertions, 4 deletions
diff --git a/tests/stdlib/tjson.nim b/tests/stdlib/tjson.nim
index a60d45aab..e425501f6 100644
--- a/tests/stdlib/tjson.nim
+++ b/tests/stdlib/tjson.nim
@@ -1,6 +1,5 @@
 discard """
-  matrix: "--mm:refc"
-  targets: "c cpp js"
+  matrix: "; --backend:cpp; --backend:js --jsbigint64:off -d:nimStringHash2; --backend:js --jsbigint64:on"
 """
 
 
@@ -9,6 +8,7 @@ Note: Macro tests are in tests/stdlib/tjsonmacro.nim
 ]#
 
 import std/[json,parsejson,strutils]
+import std/private/jsutils
 from std/math import isNaN
 when not defined(js):
   import std/streams
@@ -51,7 +51,7 @@ for i in 0 .. 10000:
   except:
     discard
 # memory diff should less than 4M
-doAssert(abs(getOccupiedMem() - startMemory) < 4 * 1024 * 1024) # todo fixme doesn;t work for ORC
+doAssert(abs(getOccupiedMem() - startMemory) < 4 * 1024 * 1024)
 
 
 # test `$`
@@ -314,7 +314,8 @@ block: # bug #17383
   else:
     testRoundtrip(int.high): "9223372036854775807"
     testRoundtrip(uint.high): "18446744073709551615"
-  when not defined(js):
+  whenJsNoBigInt64: discard
+  do:
     testRoundtrip(int64.high): "9223372036854775807"
     testRoundtrip(uint64.high): "18446744073709551615"