Basic implementations of NSAttributedString #334
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| // 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 | ||
| // | ||
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| #if DEPLOYMENT_RUNTIME_OBJC || os(Linux) | ||
| import Foundation | ||
| import XCTest | ||
| #else | ||
| import SwiftFoundation | ||
| import SwiftXCTest | ||
| #endif | ||
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| class TestNSAttributedString : XCTestCase { | ||
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| static var allTests: [(String, TestNSAttributedString -> () throws -> Void)] { | ||
| return [ | ||
| ("test_initWithString", test_initWithString), | ||
| ("test_initWithStringAndAttributes", test_initWithStringAndAttributes) | ||
| ] | ||
| } | ||
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| func test_initWithString() { | ||
| let string = "Lorem 😀 ipsum dolor sit amet, consectetur adipiscing elit. ⌘ Phasellus consectetur et sem vitae consectetur. Nam venenatis lectus a laoreet blandit. ಠ_ರೃ" | ||
| let attrString = NSAttributedString(string: string) | ||
| XCTAssertEqual(attrString.string, string) | ||
| XCTAssertEqual(attrString.length, string.utf16Count) | ||
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| var range = NSRange() | ||
| let attrs = attrString.attributesAtIndex(0, effectiveRange: &range) | ||
|
There was a problem hiding this comment. It seems that this will cause a compile error with the current swift toolchain: But the darwin counterpart can actually accept |
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| XCTAssertEqual(range.location, NSNotFound) | ||
| XCTAssertEqual(range.length, 0) | ||
| XCTAssertEqual(attrs.count, 0) | ||
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| let attribute = attrString.attribute("invalid", atIndex: 0, effectiveRange: &range) | ||
| XCTAssertNil(attribute) | ||
| XCTAssertEqual(range.location, NSNotFound) | ||
| XCTAssertEqual(range.length, 0) | ||
| } | ||
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| func test_initWithStringAndAttributes() { | ||
| let string = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus consectetur et sem vitae consectetur. Nam venenatis lectus a laoreet blandit." | ||
| let attributes: [String : AnyObject] = ["attribute.placeholder.key" : "attribute.placeholder.value" as NSString] | ||
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| let attrString = NSAttributedString(string: string, attributes: attributes) | ||
| XCTAssertEqual(attrString.string, string) | ||
| XCTAssertEqual(attrString.length, string.utf16Count) | ||
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| var range = NSRange() | ||
| let attrs = attrString.attributesAtIndex(0, effectiveRange: &range) | ||
| guard let value = attrs["attribute.placeholder.key"] as? NSString else { | ||
| XCTAssert(false, "attribute value not found") | ||
| return | ||
| } | ||
| XCTAssertEqual(range.location, 0) | ||
| XCTAssertEqual(range.length, attrString.length) | ||
| XCTAssertEqual(value, "attribute.placeholder.value") | ||
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| let invalidAttribute = attrString.attribute("invalid", atIndex: 0, effectiveRange: &range) | ||
| XCTAssertNil(invalidAttribute) | ||
| XCTAssertEqual(range.location, NSNotFound) | ||
| XCTAssertEqual(range.length, 0) | ||
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| let attribute = attrString.attribute("attribute.placeholder.key", atIndex: 0, effectiveRange: &range) | ||
| XCTAssertEqual(range.location, 0) | ||
| XCTAssertEqual(range.length, attrString.length) | ||
| guard let validAttribute = attribute as? NSString else { | ||
| XCTAssert(false, "attribuet not found") | ||
| return | ||
| } | ||
| XCTAssertEqual(validAttribute, "attribute.placeholder.value") | ||
| } | ||
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| } | ||
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I tried to use
private let _string: Stringhere, but encountered EXC_BAD_ACCESS at CFString function calls likeCFStringGetLength( inside theCF_SWIFT_FUNCDISPATCHVmacro ).I couldn't figure out why, but found out that with a
NSString, everything seemed to be fine.There was a problem hiding this comment.
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Do you think https://bugs.swift.org/browse/SR-1129 could be related?
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SR-1129 looks like a compile time error, what I encountered is a runtime error.
So, maybe they are not related.
My guess is that this is a memory related issue.