swift-mirror/validation-test/stdlib/Slice/Inputs/slice.gyb

%import inspect
%import os.path
%import sys
%sys.path = [os.path.split(inspect.getframeinfo(inspect.currentframe()).filename)[0] or '.'] + sys.path

% Base = "%s%s%sCollection" % (base_kind, traversal, 'Mutable' if mutable else '')

do {
  let prefix: [Int] = ${prefix}
  let suffix: [Int] = ${suffix}

  func makeCollection(elements: [OpaqueValue<Int>])
    -> ${Wrapper}<${Base}<OpaqueValue<Int>>> {
    var baseElements = prefix.map(OpaqueValue.init)
    baseElements.append(contentsOf: elements)
    baseElements.append(contentsOf: suffix.map(OpaqueValue.init))
    let base = ${Base}(elements: baseElements)
    let startIndex = base.startIndex.advanced(by: numericCast(prefix.count))
    let endIndex = base.startIndex.advanced(
      by: numericCast(prefix.count + elements.count))
    return ${Wrapper}(
      _base: base,
      bounds: startIndex..<endIndex)
  }

  func makeCollectionOfEquatable(elements: [MinimalEquatableValue])
    -> ${Wrapper}<${Base}<MinimalEquatableValue>> {
    var baseElements = prefix.map(MinimalEquatableValue.init)
    baseElements.append(contentsOf: elements)
    baseElements.append(contentsOf: suffix.map(MinimalEquatableValue.init))
    let base = ${Base}(elements: baseElements)
    let startIndex = base.startIndex.advanced(by: numericCast(prefix.count))
    let endIndex = base.startIndex.advanced(
      by: numericCast(prefix.count + elements.count))
    return ${Wrapper}(
      _base: base,
      bounds: startIndex..<endIndex)
  }

  func makeCollectionOfComparable(elements: [MinimalComparableValue])
    -> ${Wrapper}<${Base}<MinimalComparableValue>> {
    var baseElements = prefix.map(MinimalComparableValue.init)
    baseElements.append(contentsOf: elements)
    baseElements.append(contentsOf: suffix.map(MinimalComparableValue.init))
    let base = ${Base}(elements: baseElements)
    let startIndex = base.startIndex.advanced(by: numericCast(prefix.count))
    let endIndex = base.startIndex.advanced(
      by: numericCast(prefix.count + elements.count))
    return ${Wrapper}(
      _base: base,
      bounds: startIndex..<endIndex)
  }

  var checksAdded: Box<Set<String>> = Box([])
  var resiliencyChecks = CollectionMisuseResiliencyChecks.all
  resiliencyChecks.creatingOutOfBoundsIndicesBehavior = .expectationFailure
  resiliencyChecks.subscriptOnOutOfBoundsIndicesBehavior = .trap
  resiliencyChecks.subscriptRangeOnOutOfBoundsRangesBehavior = .trap

  SliceTests.add${traversal}${'Mutable' if Wrapper == 'MutableSlice' else ''}CollectionTests(
    "${name}.",
    makeCollection: makeCollection,
    wrapValue: identity,
    extractValue: identity,
    makeCollectionOfEquatable: makeCollectionOfEquatable,
    wrapValueIntoEquatable: identityEq,
    extractValueFromEquatable: identityEq,
% if Wrapper == 'MutableSlice':
    makeCollectionOfComparable: makeCollectionOfComparable,
    wrapValueIntoComparable: identityComp,
    extractValueFromComparable: identityComp,
% end
    checksAdded: checksAdded,
    resiliencyChecks: resiliencyChecks,
    outOfBoundsIndexOffset: 6
% if Wrapper == 'MutableSlice':
    , withUnsafeMutableBufferPointerIsSupported: false,
    isFixedLengthCollection: true
% end
    )
}