pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } 
discard """
  output: "SUCCESS"
"""

# A test to ensure that the order in which a variant
# object is constructed doesn't matter.

type
  NodeKind = enum
    Literal, Operator

  Node = ref object
    case kind: NodeKind
    of Literal:
      value: int
    of Operator:
      left, right: Node
      operator: char

# The trees used through out this test should
# be the same after construction, the only difference
# being the way we specify their construction.
# This will test that all the values are what we expect.
proc assertTree(root: Node) =
  # check root of tree
  assert root.kind == Operator
  assert root.operator == '*'

  # check left subtree
  assert root.left.value == 5
  assert root.left.kind == Literal

  # check right subtree
  assert root.right.kind == Operator
  assert root.right.operator == '+'

  assert root.right.left.value == 5
  assert root.right.left.kind == Literal

  assert root.right.right.value == 10
  assert root.right.right.kind == Literal

proc newLiteralNode(value: int): Node =
  result = Node(
    kind: Literal,
    value: value
  )

var rootOrder1 = Node(
  kind: Operator,
  operator: '*',
  left: newLiteralNode(5),
  right: Node(
    left: newLiteralNode(5),
    right: newLiteralNode(10),
    kind: Operator,
    operator: '+'
  )
)
assertTree(rootOrder1)

var rootOrder2 = Node(
  operator: '*',
  kind: Operator,
  left: newLiteralNode(5),
  right: Node(
    left: newLiteralNode(5),
    right: newLiteralNode(10),
    kind: Operator,
    operator: '+'
  )
)
assertTree(rootOrder2)

var rootOrder3 = Node(
  left: newLiteralNode(5),
  operator: '*',
  kind: Operator,
  right: Node(
    left: newLiteralNode(5),
    right: newLiteralNode(10),
    kind: Operator,
    operator: '+'
  )
)
assertTree(rootOrder3)

var rootOrder4 = Node(
  left: newLiteralNode(5),
  operator: '*',
  kind: Operator,
  right: Node(
    left: newLiteralNode(5),
    kind: Operator,
    operator: '+',
    right: newLiteralNode(10)
  )
)
assertTree(rootOrder4)

var rootOrder5 = Node(
  left: newLiteralNode(5),
  operator: '*',
  kind: Operator,
  right: Node(
    left: newLiteralNode(5),
    operator: '+',
    right: newLiteralNode(10),
    kind: Operator
  )
)
assertTree(rootOrder5)

echo "SUCCESS"