1 files changed, 69 insertions, 0 deletions
diff --git a/tests/js/trefbyvar.nim b/tests/js/trefbyvar.nim
new file mode 100644
index 000000000..5b168044e
--- /dev/null
+++ b/tests/js/trefbyvar.nim
@@ -0,0 +1,69 @@
+discard """
+  output: '''0
+5
+0
+5
+@[1, 2]
+~'''
+"""
+
+# bug #2476
+
+type A = ref object
+    m: int
+
+proc f(a: var A) =
+    var b: A
+    b.new()
+    b.m = 5
+    a = b
+
+var t: A
+t.new()
+
+echo t.m
+t.f()
+echo t.m
+
+proc main =
+  # now test the same for locals
+  var t: A
+  t.new()
+
+  echo t.m
+  t.f()
+  echo t.m
+
+main()
+
+# bug #5974
+type
+  View* = object
+    data: ref seq[int]
+
+let a = View(data: new(seq[int]))
+a.data[] = @[1, 2]
+
+echo a.data[]
+
+# bug #5379
+var input = newSeq[ref string]()
+input.add(nil)
+input.add(new string)
+input[1][] = "~"
+echo input[1][]
+
+# bug #5517
+type
+  TypeA1 = object of RootObj
+    a_impl: int
+    b_impl: string
+    c_impl: pointer
+
+proc initTypeA1(a: int; b: string; c: pointer = nil): TypeA1 =
+  result.a_impl = a
+  result.b_impl = b
+  result.c_impl = c
+
+let x = initTypeA1(1, "a")
+doAssert($x == "(a_impl: 1, b_impl: \"a\", c_impl: ...)")