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56 lines
1.8 KiB
Swift
56 lines
1.8 KiB
Swift
//===--- Concatenate.swift - Tests for lazy/eager concatenate -------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// RUN: %target-run-simple-swift
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// REQUIRES: executable_test
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import StdlibUnittest
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import StdlibCollectionUnittest
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var ConcatenateTests = TestSuite("ConcatenateTests")
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// Help the type checker (<rdar://problem/17897413> Slow type deduction)
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typealias X = ContiguousArray<CountableRange<Int>>
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let samples: ContiguousArray<(CountableRange<Int>, X)> = [
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(0..<8, [ 1..<1, 0..<5, 7..<7, 5..<7, 7..<8 ] as X),
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(0..<8, [ 0..<5, 7..<7, 5..<7, 7..<8 ] as X),
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(0..<8, [ 1..<1, 0..<5, 7..<7, 5..<7, 7..<8, 11..<11 ] as X),
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(0..<8, [ 0..<5, 7..<7, 5..<7, 7..<8, 11..<11 ] as X),
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(0..<0, [ 11..<11 ] as X),
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(0..<0, [ 3..<3, 11..<11 ] as X),
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(0..<0, [] as X),
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]
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for (expected, source) in samples {
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ConcatenateTests.test("forward-\(source)") {
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checkBidirectionalCollection(expected, source.joined())
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}
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ConcatenateTests.test("reverse-\(source)") {
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// FIXME: separate 'expected' and 'reversed' variables are a workaround
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// for: <rdar://problem/20789500>
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let expected = ContiguousArray(expected.lazy.reversed())
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let reversed = source.joined().reversed()
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checkBidirectionalCollection(expected, reversed)
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}
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ConcatenateTests.test("sequence-\(source)") {
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checkSequence(
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ContiguousArray(expected),
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AnySequence(source).joined())
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}
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}
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runAllTests()
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