1 files changed, 37 insertions, 2 deletions
diff --git a/tests/iter/tclosureiters.nim b/tests/iter/tclosureiters.nim
index 345a4867a..4a2639852 100644
--- a/tests/iter/tclosureiters.nim
+++ b/tests/iter/tclosureiters.nim
@@ -1,4 +1,5 @@
 discard """
+  targets: "c js"
   output: '''0
 1
 2
@@ -19,7 +20,18 @@ discard """
 0
 1
 2
-70'''
+70
+0
+(1, 1)
+(1, 2)
+(1, 3)
+(2, 1)
+(2, 2)
+(2, 3)
+(3, 1)
+(3, 2)
+(3, 3)
+'''
 """
 
 when true:
@@ -96,7 +108,7 @@ proc unused =
 iterator lineIter2*(filename: string): string {.closure.} =
   var f = open(filename, bufSize=8000)
   defer: close(f)   # <-- commenting defer "solves" the problem
-  var res = TaintedString(newStringOfCap(80))
+  var res = newStringOfCap(80)
   while f.readLine(res): yield res
 
 proc unusedB =
@@ -139,3 +151,26 @@ iterator filesIt(path: string): auto {.closure.} =
     let prefix = path.splitPath[1]
     for f in files:
       yield prefix / f
+
+# bug #13815
+when not defined(js):
+  var love = iterator: int {.closure.} =
+    yield cast[type(
+      block:
+        var a = 0
+        yield a
+        a)](0)
+
+  for i in love():
+    echo i
+else:
+  echo 0
+
+# bug #18474
+iterator pairs(): (int, int) {.closure.} =
+  for i in 1..3:
+    for j in 1..3:
+      yield (i, j)
+
+for pair in pairs():
+  echo pair