1 files changed, 86 insertions, 0 deletions
diff --git a/tests/arc/topenarray.nim b/tests/arc/topenarray.nim
new file mode 100644
index 000000000..ba91666ba
--- /dev/null
+++ b/tests/arc/topenarray.nim
@@ -0,0 +1,86 @@
+discard """
+  input: "hi"
+  output: '''
+hi
+Nim
+'''
+  matrix: "--gc:arc -d:useMalloc; --gc:arc"
+"""
+{.experimental: "views".}
+
+block: # bug 18627
+  proc setPosition(params: openArray[string]) =
+    for i in params.toOpenArray(0, params.len - 1):
+      echo i
+
+  proc uciLoop() =
+    let params = @[readLine(stdin)]
+    setPosition(params)
+
+  uciLoop()
+
+  proc uciLoop2() =
+    let params = @["Nim"]
+    for i in params.toOpenArray(0, params.len - 1):
+      echo i
+  uciLoop2()
+
+when defined(nimPreviewSlimSystem):
+  import std/assertions
+
+block: # bug #20954
+  block:
+    doAssertRaises(IndexDefect):
+      var v: array[10, int]
+
+      echo len(toOpenArray(v, 20, 30))
+
+  block:
+    doAssertRaises(IndexDefect):
+      var v: seq[int]
+
+      echo len(toOpenArray(v, 20, 30))
+
+# bug #20422
+
+proc f(a: var string) =
+  var v = a.toOpenArray(1, 3)
+  v[0] = 'a'
+
+var a = "Hello"
+f(a)
+doAssert a == "Hallo"
+
+# bug #22132
+block:
+  func foo[T](arr: openArray[T], idx: int = arr.low): string =
+    doAssert idx == 0
+    return $arr
+
+  let bug = ["0", "c", "a"]
+
+  let str = foo(bug)
+
+  const expected = """["0", "c", "a"]"""
+  doAssert str == expected
+
+  const noBugConst = ["0", "c", "a"]
+  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)
+