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authorrockcavera <rockcavera@gmail.com>2022-01-03 16:14:08 -0300
committerGitHub <noreply@github.com>2022-01-03 20:14:08 +0100
commit526a32e1697489b73e54c1b984ba5413842f1252 (patch)
tree1ee422db0677e78ea8338045a14af4410df5cf30 /tests/stdlib
parent19bcb43a0e21dd222ffd3fad8c5fb2d8e85d59ea (diff)
downloadNim-526a32e1697489b73e54c1b984ba5413842f1252.tar.gz
Fix #19314 - fixing broken `DoublyLinkedList` after adding empty `DoublyLinkedList` (#19315) [backport]
* Update lists.nim

* Update tlists.nim
Diffstat (limited to 'tests/stdlib')
-rw-r--r--tests/stdlib/tlists.nim12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/stdlib/tlists.nim b/tests/stdlib/tlists.nim
index 2f6d5ee6a..14cbf2f9d 100644
--- a/tests/stdlib/tlists.nim
+++ b/tests/stdlib/tlists.nim
@@ -245,6 +245,18 @@ template main =
     doAssert a.toSeq == @[1]
     a.add(2)
     doAssert a.toSeq == @[1, 2]
+  
+  block issue19314: # add (appends a shallow copy)
+    var a: DoublyLinkedList[int]
+    var b: DoublyLinkedList[int]
+
+    doAssert a.toSeq == @[]
+    a.add(1)
+    doAssert a.toSeq == @[1]
+    a.add(b)
+    doAssert a.toSeq == @[1]
+    a.add(2)
+    doAssert a.toSeq == @[1, 2]
 
 static: main()
 main()