Hanging test with scalacheck using asciiStr

[zainab-ali]

This issue was copied over from: disneystreaming/weaver-test#698
It was opened by: epifab

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This could probably be replicated without using scalacheck, my theory is that it blows up the DiffUtils with some non-printable characters.

import org.scalacheck.{Arbitrary, Gen}
import weaver.scalacheck.*
import weaver.SimpleIOSuite

object NonTerminatingSuite extends SimpleIOSuite with Checkers:
  test("Fix me") {
    given Arbitrary[String] = Arbitrary(Gen.asciiStr)
    forall: (s: String) =>
      expect.same("", s)
  }

scala 3.3.0
weaver 0.8.3

[zainab-ali]

This comment was copied over from: disneystreaming/weaver-test#698 (comment)
It was written by: epifab

---

to give a little more context, switching from asciiStr to printableAsciiStr fixes the issue

[zainab-ali]

This comment was copied over from: disneystreaming/weaver-test#698 (comment)
It was written by: dabd

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The issue comes from the way expecty DiffUtil tokenizes an Escape control character (Char with Int value 27).
I have a fix in the works but I am not sure it will break the intention of this tokenization function, which is not well documented and actually is a copy-paste from dotty.

Minimal repro:

  pureTest("Fix me") {
    val s = 27.toChar.toString
    expect.same("", s)
  }