Kare Morstol
a1ad3fb25c
Because it is the last version that does indentation and alignment correctly (tabs for indentation, spaces for alignment).
100 lines
3.2 KiB
Swift
Executable File
100 lines
3.2 KiB
Swift
Executable File
//
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// Collection_Tests.swift
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// SwiftShell
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//
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// Created by Kåre Morstøl on 08.12.2015.
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//
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//
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@testable import SwiftShell
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import XCTest
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public class LazySplitGenerator_Tests: XCTestCase {
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func lazySplitToArray(allowEmptySlices: Bool) -> (String) -> [String] {
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{ s in
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let seq: LazySplitSequence = s.lazy.split(separator: "," as Character, allowEmptySlices: allowEmptySlices)
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return seq.map(String.init)
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}
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}
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func testStringsLazySplit_AllowingEmptySlices() {
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let split = lazySplitToArray(allowEmptySlices: true)
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XCTAssertEqual(split("ab,c,de,f"), ["ab", "c", "de", "f"])
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XCTAssertEqual(split(",a"), ["", "a"])
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XCTAssertEqual(split("a,"), ["a", ""])
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XCTAssertEqual(split("a,,b,,,c"), ["a", "", "b", "", "", "c"])
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XCTAssertEqual(split(""), [""])
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XCTAssertEqual(split(","), ["", ""])
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XCTAssertEqual(split("ab"), ["ab"])
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}
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func testCollectionTypeSplit_AllowingEmptySlices() {
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let split = { (s: String) -> [String] in
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s.split(separator: ",", omittingEmptySubsequences: false).map(String.init)
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}
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XCTAssertEqual(split("ab,c,de,f"), ["ab", "c", "de", "f"])
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XCTAssertEqual(split(",a"), ["", "a"])
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XCTAssertEqual(split("a,"), ["a", ""])
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XCTAssertEqual(split("a,,b,,,c"), ["a", "", "b", "", "", "c"])
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XCTAssertEqual(split(""), [""])
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XCTAssertEqual(split(","), ["", ""])
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XCTAssertEqual(split("ab"), ["ab"])
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}
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func testStringsLazySplit_NoEmptySlices() {
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let split = lazySplitToArray(allowEmptySlices: false)
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XCTAssertEqual(split("ab,c,de,f"), ["ab", "c", "de", "f"])
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XCTAssertEqual(split(",a"), ["a"])
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XCTAssertEqual(split("a,"), ["a"])
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XCTAssertEqual(split("a,,b,,,c"), ["a", "b", "c"])
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XCTAssertEqual(split(""), [])
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XCTAssertEqual(split(","), [])
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XCTAssertEqual(split("ab"), ["ab"])
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}
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func testCollectionTypeSplit_NoEmptySlices() {
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let split = { (s: String) -> [String] in
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s.split(separator: ",", omittingEmptySubsequences: true).map(String.init)
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}
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XCTAssertEqual(split("ab,c,de,f"), ["ab", "c", "de", "f"])
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XCTAssertEqual(split(",a"), ["a"])
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XCTAssertEqual(split("a,"), ["a"])
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XCTAssertEqual(split("a,,b,,,c"), ["a", "b", "c"])
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XCTAssertEqual(split(""), [])
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XCTAssertEqual(split(","), [])
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XCTAssertEqual(split("ab"), ["ab"])
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}
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func testIntsLazySplit_NoEmptySlices() {
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let split = { (s: [Int]) -> [[Int]] in
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s.lazy.split(separator: 0, omittingEmptySubsequences: true).map(Array.init)
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}
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XCTAssertEqual(split([1, 2, 0, 4, 0, 6, 7, 8, 9]), [[1, 2], [4], [6, 7, 8, 9]])
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}
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func testPartialSourceLazySplit_AllowingEmptySlices() {
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func split(_ s: String...) -> [String] {
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var sg = s.makeIterator()
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return PartialSourceLazySplitSequence({ sg.next() }, separator: ",").map(String.init)
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}
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XCTAssertEqual(split("ab,c", ",de,f"), ["ab", "c", "de", "f"])
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XCTAssertEqual(split(",a"), ["", "a"])
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XCTAssertEqual(split("a,"), ["a", ""])
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XCTAssertEqual(split("a,", ",", "b,", ",,c"), ["a", "", "b", "", "", "c"])
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XCTAssertEqual(split(""), [""])
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XCTAssertEqual(split(","), ["", ""])
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XCTAssertEqual(split("ab"), ["ab"])
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XCTAssertEqual(split(), [])
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XCTAssertEqual(split("abc", "def", "g,", "h"), ["abcdefg", "h"])
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XCTAssertEqual(split(",abc", "def", "g", "h,"), ["", "abcdefgh", ""])
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XCTAssertEqual(split("", "abc", "", "def", "g,", "h"), ["abcdefg", "h"])
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}
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}
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