move tests to testament (#16101)

* move tests to testament

* minor

* fix random

* disable test random

lib/std/enumerate.nim

@@ -68,22 +68,3 @@ macro enumerate*(x: ForLoopStmt): untyped {.since: (1, 3).} =
   result.add newFor
   # now wrap the whole macro in a block to create a new scope
   result = newBlockStmt(result)
-
-when isMainModule:
-  let a = @[1, 3, 5, 7]
-
-  block:
-    var res: seq[(int, int)]
-    for i, x in enumerate(a):
-      res.add (i, x)
-    assert res == @[(0, 1), (1, 3), (2, 5), (3, 7)]
-  block:
-    var res: seq[(int, int)]
-    for (i, x) in enumerate(a.items):
-      res.add (i, x)
-    assert res == @[(0, 1), (1, 3), (2, 5), (3, 7)]
-  block:
-    var res: seq[(int, int)]
-    for i, x in enumerate(3, a):
-      res.add (i, x)
-    assert res == @[(3, 1), (4, 3), (5, 5), (6, 7)]

lib/std/monotimes.nim

@@ -152,19 +152,3 @@ proc high*(typ: typedesc[MonoTime]): MonoTime =
 proc low*(typ: typedesc[MonoTime]): MonoTime =
   ## Returns the lowest representable `MonoTime`.
   MonoTime(ticks: low(int64))
-
-when isMainModule:
-  let d = initDuration(nanoseconds = 10)
-  let t1 = getMonoTime()
-  let t2 = t1 + d
-
-  doAssert t2 - t1 == d
-  doAssert t1 == t1
-  doAssert t1 != t2
-  doAssert t2 - d == t1
-  doAssert t1 < t2
-  doAssert t1 <= t2
-  doAssert t1 <= t1
-  doAssert not(t2 < t1)
-  doAssert t1 < high(MonoTime)
-  doAssert low(MonoTime) < t1

lib/std/sha1.nim

@@ -267,16 +267,3 @@ proc `==`*(a, b: SecureHash): bool =
     assert a == c
   # Not a constant-time comparison, but that's acceptable in this context
   Sha1Digest(a) == Sha1Digest(b)
-
-when isMainModule:
-  let hash1 = secureHash("a93tgj0p34jagp9[agjp98ajrhp9aej]")
-  doAssert hash1 == hash1
-  doAssert parseSecureHash($hash1) == hash1
-
-  template checkVector(s, exp: string) =
-    doAssert secureHash(s) == parseSecureHash(exp)
-
-  checkVector("", "da39a3ee5e6b4b0d3255bfef95601890afd80709")
-  checkVector("abc", "a9993e364706816aba3e25717850c26c9cd0d89d")
-  checkVector("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
-              "84983e441c3bd26ebaae4aa1f95129e5e54670f1")