4 files changed, 70 insertions, 4 deletions
diff --git a/tests/assign/moverload_asgn2.nim b/tests/assign/moverload_asgn2.nim
index 6620adbeb..cfea48cd1 100644
--- a/tests/assign/moverload_asgn2.nim
+++ b/tests/assign/moverload_asgn2.nim
@@ -1,3 +1,7 @@
+discard """
+  matrix: "--mm:refc"
+"""
+
 type
   Concrete* = object
     a*, b*: string
diff --git a/tests/assign/tassign.nim b/tests/assign/tassign.nim
index 0589b0214..fdec04d22 100644
--- a/tests/assign/tassign.nim
+++ b/tests/assign/tassign.nim
@@ -80,7 +80,7 @@ block tcopy:
 
 block tgenericassign:
   type
-    TAny = object {.pure.}
+    TAny {.pure.} = object
       value: pointer
       rawType: pointer
 
@@ -93,9 +93,9 @@ block tgenericassign:
   var ret: seq[tuple[name: string, a: TAny]] = @[]
   for i in 0 .. 8000:
     var tup = ($name, newAny(nil, nil))
-    assert(tup[0] == "example")
+    doAssert(tup[0] == "example")
     ret.add(tup)
-    assert(ret[ret.len()-1][0] == "example")
+    doAssert(ret[ret.len()-1][0] == "example")
 
 
 
@@ -178,7 +178,7 @@ when false:
   proc `=`[T](d: var GenericT[T]; src: GenericT[T]) =
     shallowCopy(d.a, src.a)
     shallowCopy(d.b, src.b)
-    echo "GenericT[T] '=' ", type(T).name
+    echo "GenericT[T] '=' ", typeof(T).name
 
   var ag: GenericT[int]
   var bg: GenericT[int]
diff --git a/tests/assign/tobject_assign.nim b/tests/assign/tobject_assign.nim
new file mode 100644
index 000000000..8e39ead53
--- /dev/null
+++ b/tests/assign/tobject_assign.nim
@@ -0,0 +1,49 @@
+# bug #16706
+
+block: # reduced example
+  type
+    A = object of RootObj
+      a0: string
+    B = object
+      b0: seq[A]
+  var c = newSeq[A](2)
+  var d = B(b0: c)
+
+when true: # original example
+  import std/[options, tables, times]
+
+  type
+    Data* = object
+      shifts*: OrderedTable[int64, Shift]
+      balance*: float
+
+    Shift* = object
+      quoted*: bool
+      date*: DateTime
+      description*: string
+      start*: Option[DateTime]
+      finish*: Option[DateTime]
+      breakTime*: Option[Duration]
+      rate*: float
+      qty: Option[float]
+      id*: int64
+
+  let shift = Shift(
+    quoted: true,
+    date: parse("2000-01-01", "yyyy-MM-dd"),
+    description: "abcdef",
+    start: none(DateTime),
+    finish: none(DateTime),
+    breakTime: none(Duration),
+    rate: 462.11,
+    qty: some(10.0),
+    id: getTime().toUnix()
+  )
+
+  var shifts: OrderedTable[int64, Shift]
+  shifts[shift.id] = shift
+
+  discard Data(
+    shifts: shifts,
+    balance: 0.00
+  )
diff --git a/tests/assign/tvariantasgn.nim b/tests/assign/tvariantasgn.nim
index 1c3deeae1..4c3c38ca5 100644
--- a/tests/assign/tvariantasgn.nim
+++ b/tests/assign/tvariantasgn.nim
@@ -24,3 +24,16 @@ s = TAny(kind: nkInt, intVal: 78)
 # s = nr # works
 nr = s # fails!
 echo "came here"
+
+block: # bug #12464
+  type
+    Foo = object
+      case isFunc: bool
+      of false: nil
+      of true:
+        fun: proc(): int
+
+  const i = Foo(isFunc: false)
+
+  let j = i
+  doAssert not j.isFunc