Kare Morstol
64 lines
2.2 KiB
Swift
64 lines
2.2 KiB
Swift
//
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// String_Tests.swift
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// SwiftShell
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//
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// Created by Kåre Morstøl on 04.11.14.
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// Copyright (c) 2014 NotTooBad Software. All rights reserved.
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//
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import XCTest
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import SwiftShell
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class String_Tests: XCTestCase {
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func testCountOccurrencesOfStringInstring () {
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let text = "how many are there here"
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XCTAssertEqual( text.countOccurrencesOf( "e"), 5)
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XCTAssertEqual( text.countOccurrencesOf( "x"), 0)
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XCTAssertEqual( text.countOccurrencesOf( "h"), 3)
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XCTAssertEqual( text.countOccurrencesOf( "ho"), 1)
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XCTAssertEqual( text.countOccurrencesOf( "re"), 3)
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XCTAssertEqual( text.countOccurrencesOf( "Not found"), 0)
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}
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func testFindAll () {
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func ranges(findstring: String) -> [Range<String.Index>] {
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let text = "a b c aa bbb cc ab bc ca"
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return text.findAll(findstring) |> toArray
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}
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XCTAssertEqual(ranges("a").count, 5)
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XCTAssertEqual(ranges("bb").count, 1)
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XCTAssertEqual(ranges("a ").count, 2)
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}
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func testReplaceStringwithstring () {
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let text = "a b c aa bb cc ab bc ca"
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XCTAssertEqual( text.replace("a", "x"), "x b c xx bb cc xb bc cx")
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XCTAssertEqual( text.replace("b ", "x"), "a xc aa bxcc axbc ca")
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}
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func testReplaceOnlySomeStringsWithString () {
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let text = "a b c aa bb cc ab bc ca"
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XCTAssertEqual( text.replace("a", "x", limit: 0), "a b c aa bb cc ab bc ca")
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XCTAssertEqual( text.replace("a", "x", limit: 2), "x b c xa bb cc ab bc ca")
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XCTAssertEqual( text.replace("a", "x", limit: 4), "x b c xx bb cc xb bc ca")
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XCTAssertEqual( text.replace("a", "x", limit: 5), "x b c xx bb cc xb bc cx")
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XCTAssertEqual( text.replace("a", "x", limit: 6), "x b c xx bb cc xb bc cx")
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XCTAssertEqual( text.replace("a", "[xy]", limit: 4), "[xy] b c [xy][xy] bb cc [xy]b bc ca")
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XCTAssertEqual( text.replace("a", "[xy]", limit: 5), "[xy] b c [xy][xy] bb cc [xy]b bc c[xy]")
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XCTAssertEqual( text.replace("a", "[xy]", limit: 6), "[xy] b c [xy][xy] bb cc [xy]b bc c[xy]")
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XCTAssertEqual( text.replace("a ", "x", limit: 0), "a b c aa bb cc ab bc ca")
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XCTAssertEqual( text.replace("a ", "x", limit: 1), "xb c aa bb cc ab bc ca")
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XCTAssertEqual( text.replace("a ", "x", limit: 2), "xb c axbb cc ab bc ca")
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XCTAssertEqual( text.replace("a ", "x", limit: 3), "xb c axbb cc ab bc ca")
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}
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}
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