mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
d791725752
Change underestimateCount() to forward to the underlying sequence or collection. Swift SVN r25279
93 lines
3.2 KiB
Plaintext
93 lines
3.2 KiB
Plaintext
//===--- Lazy.swift - Tests for LazySequence and LazyCollection -----------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See http://swift.org/LICENSE.txt for license information
|
|
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
// RUN: rm -rf %t
|
|
// RUN: mkdir -p %t
|
|
// RUN: %S/../../utils/gyb %s -o %t/Lazy.swift
|
|
// RUN: %S/../../utils/line-directive %t/Lazy.swift -- %target-build-swift %t/Lazy.swift -o %t/a.out_Debug
|
|
// RUN: %S/../../utils/line-directive %t/Lazy.swift -- %target-build-swift %t/Lazy.swift -o %t/a.out_Release -O
|
|
//
|
|
// RUN: %S/../../utils/line-directive %t/Lazy.swift -- %target-run %t/a.out_Debug
|
|
// RUN: %S/../../utils/line-directive %t/Lazy.swift -- %target-run %t/a.out_Release
|
|
|
|
// XFAIL: linux
|
|
|
|
import StdlibUnittest
|
|
|
|
var LazyTestSuite = TestSuite("Lazy")
|
|
|
|
LazyTestSuite.test("isEmpty") {
|
|
expectTrue(lazy(0..<0).isEmpty)
|
|
expectFalse(lazy(0...0).isEmpty)
|
|
}
|
|
|
|
LazyTestSuite.test("firstLast") {
|
|
expectOptionalEqual(7, lazy(7..<42).first)
|
|
expectOptionalEqual(41, lazy(7..<42).last)
|
|
expectEmpty(lazy(7..<7).first)
|
|
expectEmpty(lazy(7..<7).last)
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// LazySequence
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
LazyTestSuite.test("LazySequence<Sequence>/underestimateCount") {
|
|
let s = MinimalSequence(
|
|
[ 0, 30, 10, 90 ], underestimatedCount: .Value(42))
|
|
var lazySeq = lazy(s)
|
|
expectType(LazySequence<MinimalSequence<Int>>.self, &lazySeq)
|
|
expectEqual(42, underestimateCount(lazySeq))
|
|
}
|
|
|
|
%for traversal in [ 'Forward', 'Bidirectional', 'RandomAccess' ]:
|
|
|
|
LazyTestSuite.test("LazySequence<${traversal}Collection>/underestimateCount") {
|
|
let s = Minimal${traversal}Collection(
|
|
[ 0, 30, 10, 90 ], underestimatedCount: .Value(42))
|
|
var lazySeq = lazy(s)
|
|
expectType(
|
|
Lazy${traversal}Collection<Minimal${traversal}Collection<Int>>.self, &lazySeq)
|
|
expectEqual(42, underestimateCount(lazySeq))
|
|
}
|
|
|
|
%end
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// MapSequenceView
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
LazyTestSuite.test("MapSequenceView<Sequence>/underestimateCount") {
|
|
let s = MinimalSequence(
|
|
[ 0, 30, 10, 90 ], underestimatedCount: .Value(42))
|
|
var lazyMap = lazy(s).map({ $0 })
|
|
expectType(
|
|
LazySequence<MapSequenceView<MinimalSequence<Int>, Int>>.self, &lazyMap)
|
|
expectEqual(42, underestimateCount(lazyMap))
|
|
}
|
|
|
|
%for traversal in [ 'Forward', 'Bidirectional', 'RandomAccess' ]:
|
|
|
|
LazyTestSuite.test("MapCollectionView<${traversal}Collection>/underestimateCount") {
|
|
let s = Minimal${traversal}Collection(
|
|
[ 0, 30, 10, 90 ], underestimatedCount: .Value(42))
|
|
var lazyMap = lazy(s).map({ $0 })
|
|
expectType(
|
|
Lazy${traversal}Collection<MapCollectionView<Minimal${traversal}Collection<Int>, Int>>.self,
|
|
&lazyMap)
|
|
expectEqual(42, underestimateCount(lazyMap))
|
|
}
|
|
|
|
%end
|
|
|
|
runAllTests()
|
|
|