6 files changed, 230 insertions, 6 deletions
diff --git a/tests/arc/tarc_orc.nim b/tests/arc/tarc_orc.nim
index 594950d71..f2c7de2fc 100644
--- a/tests/arc/tarc_orc.nim
+++ b/tests/arc/tarc_orc.nim
@@ -136,4 +136,51 @@ proc main2 =
     doAssert a.len == 2
     doAssert b.len == 0
 
-main2()
\ No newline at end of file
+main2()
+
+block:
+  type
+    TestObj = object of RootObj
+      name: string
+    
+    TestSubObj = object of TestObj
+      objname: string
+
+  proc `=destroy`(x: TestObj) =
+    `=destroy`(x.name)
+
+  proc `=destroy`(x: TestSubObj) =
+    `=destroy`(x.objname)
+    `=destroy`(TestObj(x))
+
+  proc testCase() =
+    let t1 {.used.} = TestSubObj(objname: "tso1", name: "to1")
+
+  proc main() =
+    testCase()
+
+  main()
+
+block: # bug #23858
+  type Object = object
+    a: int
+    b: ref int
+  var x = 0
+  proc fn(): auto {.cdecl.} =
+    inc x
+    return Object()
+  discard fn()
+  doAssert x == 1
+
+block: # bug #24147
+  type
+    O = object of RootObj
+      val: string
+    OO = object of O
+
+  proc `=copy`(dest: var O, src: O) =
+      dest.val = src.val
+
+  let oo = OO(val: "hello world")
+  var ooCopy : OO
+  `=copy`(ooCopy, oo)
diff --git a/tests/arc/tarcmisc.nim b/tests/arc/tarcmisc.nim
index 2570e410f..b4476ef4f 100644
--- a/tests/arc/tarcmisc.nim
+++ b/tests/arc/tarcmisc.nim
@@ -1,5 +1,6 @@
 discard """
   output: '''
+Destructor for TestTestObj
 =destroy called
 123xyzabc
 destroyed: false
@@ -31,14 +32,39 @@ true
 copying
 123
 42
+@["", "d", ""]
 ok
 destroying variable: 20
 destroying variable: 10
 closed
 '''
-  cmd: "nim c --gc:arc --deepcopy:on -d:nimAllocPagesViaMalloc $file"
+  cmd: "nim c --mm:arc --deepcopy:on -d:nimAllocPagesViaMalloc $file"
 """
 
+block: # bug #23627
+  type
+    TestObj = object of RootObj
+
+    Test2 = object of RootObj
+      foo: TestObj
+
+    TestTestObj = object of RootObj
+      shit: TestObj
+
+  proc `=destroy`(x: TestTestObj) =
+    echo "Destructor for TestTestObj"
+    let test = Test2(foo: TestObj())
+
+  proc testCaseT() =
+    let tt1 {.used.} = TestTestObj(shit: TestObj())
+
+
+  proc main() =
+    testCaseT()
+
+  main()
+
+
 # bug #9401
 
 type
@@ -46,13 +72,12 @@ type
     len: int
     data: ptr UncheckedArray[float]
 
-proc `=destroy`*(m: var MyObj) =
+proc `=destroy`*(m: MyObj) =
 
   echo "=destroy called"
 
   if m.data != nil:
     deallocShared(m.data)
-    m.data = nil
 
 type
   MyObjDistinct = distinct MyObj
@@ -104,7 +129,7 @@ bbb("123")
 type Variable = ref object
   value: int
 
-proc `=destroy`(self: var typeof(Variable()[])) =
+proc `=destroy`(self: typeof(Variable()[])) =
   echo "destroying variable: ",self.value
 
 proc newVariable(value: int): Variable =
@@ -158,7 +183,7 @@ type
   B = ref object of A
     x: int
 
-proc `=destroy`(x: var AObj) =
+proc `=destroy`(x: AObj) =
   close(x.io)
   echo "closed"
 
@@ -727,3 +752,85 @@ block: # bug #23505
 
   discard init(C)
 
+block: # bug #23524
+  type MyType = object
+    a: int
+
+  proc `=destroy`(typ: MyType) = discard
+
+  var t1 = MyType(a: 100)
+  var t2 = t1 # Should be a copy?
+
+  proc main() =
+    t2 = t1
+    doAssert t1.a == 100
+    doAssert t2.a == 100
+
+  main()
+
+block: # bug #23907
+  type
+    Thingy = object
+      value: int
+
+    ExecProc[C] = proc(value: sink C): int {.nimcall.}
+
+  proc `=copy`(a: var Thingy, b: Thingy) {.error.}
+
+  var thingyDestroyCount = 0
+
+  proc `=destroy`(thingy: Thingy) =
+    assert(thingyDestroyCount <= 0)
+    thingyDestroyCount += 1
+
+  proc store(value: sink Thingy): int =
+    result = value.value
+
+  let callback: ExecProc[Thingy] = store
+
+  doAssert callback(Thingy(value: 123)) == 123
+
+import std/strutils
+
+block: # bug #23974
+  func g(e: seq[string]): lent seq[string] = result = e
+  proc k(f: string): seq[string] = f.split("/")
+  proc n() =
+    const r = "/d/"
+    let t =
+      if true:
+        k(r).g()
+      else:
+        k("/" & r).g()
+    echo t
+
+  n()
+
+block: # bug #23973
+  func g(e: seq[string]): lent seq[string] = result = e
+  proc k(f: string): seq[string] = f.split("/")
+  proc n() =
+    const r = "/test/empty"  # or "/test/empty/1"
+    let a = k(r).g()
+    let t =
+      if true:
+        k(r).g()
+      else:
+        k("/" & r).g()   # or raiseAssert ""
+    doAssert t == a
+
+  n()
+
+block: # bug #24141
+  func reverse(s: var openArray[char]) =
+    s[0] = 'f'
+
+  func rev(s: var string) =
+    s.reverse
+
+  proc main =
+    var abc = "abc"
+    abc.rev
+    doAssert abc == "fbc"
+
+  main()
diff --git a/tests/arc/tcaseobj.nim b/tests/arc/tcaseobj.nim
index be1d722ed..3499f5c1e 100644
--- a/tests/arc/tcaseobj.nim
+++ b/tests/arc/tcaseobj.nim
@@ -338,3 +338,29 @@ block:
       doAssert ff.s == 12
 
     mainSync()
+
+import std/sequtils
+
+# bug #23690
+type
+  SomeObj* = object of RootObj
+
+  Item* = object
+    case kind*: 0..1
+    of 0:
+      a*: int
+      b*: SomeObj
+    of 1:
+      c*: string
+
+  ItemExt* = object
+    a*: Item
+    b*: string
+
+proc do1(x: int): seq[(string, Item)] =
+  result = @[("zero", Item(kind: 1, c: "first"))]
+
+proc do2(x: int, e: ItemExt): seq[(string, ItemExt)] =
+  do1(x).map(proc(v: (string, Item)): auto = (v[0], ItemExt(a: v[1], b: e.b)))
+
+doAssert $do2(0, ItemExt(a: Item(kind: 1, c: "second"), b: "third")) == """@[("zero", (a: (kind: 1, c: "first"), b: "third"))]"""
diff --git a/tests/arc/titeration_doesnt_copy.nim b/tests/arc/titeration_doesnt_copy.nim
index e1cdb6166..e510a6eff 100644
--- a/tests/arc/titeration_doesnt_copy.nim
+++ b/tests/arc/titeration_doesnt_copy.nim
@@ -54,3 +54,14 @@ proc toBinString*(data: openArray[uint8], col: int): string =
 
 doAssert @[0b0000_1111'u8, 0b1010_1010].toBinString(8) == "0000111110101010"
 doAssert @[0b1000_0000'u8, 0b0000_0000].toBinString(1) == "10"
+
+block: # bug #23982
+  iterator `..`(a, b: ptr int16): ptr int16 = discard
+  var a: seq[int16] #; let p = a[0].addr
+  var b: seq[ptr int16]
+
+  try:
+    for x in a[0].addr .. b[1]: # `p .. b[1]` works
+      discard
+  except IndexDefect:
+    discard
diff --git a/tests/arc/topenarray.nim b/tests/arc/topenarray.nim
index 67c512e4f..ba91666ba 100644
--- a/tests/arc/topenarray.nim
+++ b/tests/arc/topenarray.nim
@@ -68,3 +68,19 @@ block:
   doAssert foo(noBugConst) == expected
   let noBugSeq = @["0", "c", "a"]
   doAssert foo(noBugSeq) == expected
+
+block: # bug #20865
+  var p: pointer
+  var x: array[0, int]
+  # echo toOpenArray(x, 0, 1)[0] # Raises IndexDefect
+  doAssertRaises(IndexDefect):
+    echo toOpenArray(cast[ptr array[0, int]](p)[], 0, 1)[0] # Does not raise IndexDefect
+
+block: # bug #20987
+  var v: array[1, byte]
+
+  var p = cast[ptr array[0, byte]](addr v)
+
+  doAssertRaises(IndexDefect):
+    echo toOpenArray(p[], 1, 2)
+
diff --git a/tests/arc/tstringliteral.nim b/tests/arc/tstringliteral.nim
new file mode 100644
index 000000000..c5fac22d8
--- /dev/null
+++ b/tests/arc/tstringliteral.nim
@@ -0,0 +1,17 @@
+discard """
+  matrix: "--mm:arc; --mm:orc"
+"""
+
+block: # issue #24080
+  var a = (s: "a")
+  var b = "a"
+  a.s.setLen 0
+  b = a.s
+  doAssert b == ""
+
+block: # issue #24080, longer string
+  var a = (s: "abc")
+  var b = "abc"
+  a.s.setLen 2
+  b = a.s
+  doAssert b == "ab"