preserves-nim/tests/test_conversions.nim

# SPDX-License-Identifier: ISC

import streams, strutils, unittest
import bigints, preserves, preserves/records

suite "conversions":
  test "dictionary":
    type Bar = object
      s: string
    type Foobar = tuple
      a, b: int
      c: Bar
    let
      c: Foobar = (a: 1, b: 2, c: Bar(s: "ku",))
      b = toPreserve(c)
      a = preserveTo(b, Foobar)
    check(a == c)
    check(b.kind == pkDictionary)

  test "records":
    type Bar {.record: "bar".} = object
      s: string
    type Foobar {.record: "foo".} = tuple
      a, b: int
      c: Bar
    let
      tup: Foobar = (a: 1, b: 2, c: Bar(s: "ku",))
      prs = toPreserve(tup)
    check(prs.kind == pkRecord)
    check(preserveTo(prs, Foobar) == tup)
    check(classOf(tup) == classOf(prs))