File: custom-sequence.swift

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// RUN: %target-run-simple-swift(-I %S/Inputs -Xfrontend -enable-experimental-cxx-interop)
//
// REQUIRES: executable_test
// REQUIRES: OS=macosx || OS=linux-gnu

// REQUIRES: rdar102364960

import StdlibUnittest
import CustomSequence

var CxxSequenceTestSuite = TestSuite("CxxSequence")

CxxSequenceTestSuite.test("SimpleSequence as Swift.Sequence") {
  let seq = SimpleSequence()
  let contains = seq.contains(where: { $0 == 3 })
  expectTrue(contains)

  var items: [Int32] = []
  for item in seq {
    items.append(item)
  }
  expectEqual([1, 2, 3, 4] as [Int32], items)
}

CxxSequenceTestSuite.test("SimpleEmptySequence as Swift.Sequence") {
  let seq = SimpleEmptySequence()

  var iterated = false
  for _ in seq {
    iterated = true
  }
  expectFalse(iterated)
}

runAllTests()