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109 lines
3.5 KiB
Plaintext
109 lines
3.5 KiB
Plaintext
//===--- Lazy.swift - Tests for LazySequence and LazyCollection -----------===//
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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 - 2015 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 http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// RUN: rm -rf %t
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// RUN: mkdir -p %t
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// RUN: %S/../../utils/gyb %s -o %t/Lazy.swift
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// RUN: %S/../../utils/line-directive %t/Lazy.swift -- %target-build-swift %t/Lazy.swift -o %t/a.out_Debug
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// RUN: %S/../../utils/line-directive %t/Lazy.swift -- %target-build-swift %t/Lazy.swift -o %t/a.out_Release -O
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//
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// RUN: %S/../../utils/line-directive %t/Lazy.swift -- %target-run %t/a.out_Debug
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// RUN: %S/../../utils/line-directive %t/Lazy.swift -- %target-run %t/a.out_Release
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import StdlibUnittest
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var LazyTestSuite = TestSuite("Lazy")
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LazyTestSuite.test("isEmpty") {
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expectTrue(lazy(0..<0).isEmpty)
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expectFalse(lazy(0...0).isEmpty)
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}
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LazyTestSuite.test("firstLast") {
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expectOptionalEqual(7, lazy(7..<42).first)
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expectOptionalEqual(41, lazy(7..<42).last)
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expectEmpty(lazy(7..<7).first)
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expectEmpty(lazy(7..<7).last)
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}
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//===----------------------------------------------------------------------===//
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// LazySequence
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//===----------------------------------------------------------------------===//
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LazyTestSuite.test("LazySequence<Sequence>/underestimateCount") {
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let s = MinimalSequence(
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[ 0, 30, 10, 90 ]._prext_map { OpaqueValue($0) },
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underestimatedCount: .Value(42))
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var lazySeq = lazy(s)
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expectType(LazySequence<MinimalSequence<OpaqueValue<Int>>>.self, &lazySeq)
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expectEqual(42, lazySeq.underestimateCount())
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}
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%for traversal in [ 'Forward', 'Bidirectional', 'RandomAccess' ]:
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LazyTestSuite.test("LazySequence<${traversal}Collection>/underestimateCount") {
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let s = Minimal${traversal}Collection(
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[ 0, 30, 10, 90 ]._prext_map { OpaqueValue($0) },
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underestimatedCount: .Value(42))
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var lazySeq = lazy(s)
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expectType(
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Lazy${traversal}Collection<
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Minimal${traversal}Collection<OpaqueValue<Int>>
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>.self,
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&lazySeq)
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expectEqual(42, lazySeq.underestimateCount())
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}
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%end
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//===----------------------------------------------------------------------===//
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// MapSequenceView
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//===----------------------------------------------------------------------===//
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LazyTestSuite.test("MapSequenceView<Sequence>/underestimateCount") {
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let s = MinimalSequence(
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[ 0, 30, 10, 90 ]._prext_map { OpaqueValue($0) },
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underestimatedCount: .Value(42))
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var lazyMap = lazy(s).map { OpaqueValue(Int32($0.value)) }
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expectType(
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LazySequence<
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MapSequenceView<
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MinimalSequence<OpaqueValue<Int>>,
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OpaqueValue<Int32>
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>
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>.self,
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&lazyMap)
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expectEqual(42, lazyMap.underestimateCount())
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}
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%for traversal in [ 'Forward', 'Bidirectional', 'RandomAccess' ]:
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LazyTestSuite.test("MapCollectionView<${traversal}Collection>/underestimateCount") {
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let s = Minimal${traversal}Collection(
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[ 0, 30, 10, 90 ]._prext_map { OpaqueValue($0) },
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underestimatedCount: .Value(42))
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var lazyMap = lazy(s).map { OpaqueValue(Int32($0.value)) }
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expectType(
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Lazy${traversal}Collection<
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MapCollectionView<
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Minimal${traversal}Collection<OpaqueValue<Int>>,
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OpaqueValue<Int32>
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>
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>.self,
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&lazyMap)
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expectEqual(42, lazyMap.underestimateCount())
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}
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%end
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runAllTests()
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