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package munit

import munit.diff.Diff

object Diffs {

  def assertNoDiff(
      obtained: String,
      expected: String,
      handler: ComparisonFailExceptionHandler,
      title: String,
      printObtainedAsStripMargin: Boolean
  )(implicit loc: Location): Boolean = {
    if (obtained.isEmpty && !expected.isEmpty) {
      val msg =
        s"""|Obtained empty output!
            |=> Expected:
            |$expected""".stripMargin
      handler.handle(msg, obtained, expected, loc)
    }
    val diff = new Diff(obtained, expected)
    if (diff.isEmpty) true
    else {
      handler.handle(
        diff.createReport(title, printObtainedAsStripMargin),
        obtained,
        expected,
        loc
      )
    }
  }

}