react-native/Examples/UIExplorer/UIExplorerUnitTests/RCTUnicodeDecodeTests.m

78 lines
3.3 KiB
Objective-C

/**
* The examples provided by Facebook are for non-commercial testing and
* evaluation purposes only.
*
* Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#import <XCTest/XCTest.h>
#import "RCTNetworking.h"
static NSString* const niqqudStringB64 = @"15HWsNa816jWtdeQ16nWtNeB15nXqiwg15HWuNa816jWuNeQINeQ1rHXnNa515TWtNeZ150sINeQ1rXXqiDXlNa316nWuNa814HXnta315nWtNedLCDXldaw15DWtdeqINeU1rjXkNa416jWttelLg==";
@interface RCTNetworking ()
+ (NSString *)decodeTextData:(NSData *)data fromResponse:(NSURLResponse *)response withCarryData:(NSMutableData*)inputCarryData;
@end
@interface RCTUnicodeDecodeTests : XCTestCase
@end
@implementation RCTUnicodeDecodeTests
- (void)runTestForString:(NSString*)unicodeString usingEncoding:(NSString*)encodingName cutAt:(NSUInteger)cutPoint
{
CFStringEncoding cfEncoding = CFStringConvertIANACharSetNameToEncoding((CFStringRef)encodingName);
NSStringEncoding encoding = CFStringConvertEncodingToNSStringEncoding(cfEncoding);
NSData* unicodeBytes = [unicodeString dataUsingEncoding:encoding];
NSURLResponse* fakeResponse = [[NSHTTPURLResponse alloc] initWithURL:[NSURL URLWithString:@"testurl://"]
statusCode:200
HTTPVersion:@"1.1"
headerFields:@{@"content-type": [NSString stringWithFormat:@"text/plain; charset=%@", encodingName]}];
XCTAssert([fakeResponse.textEncodingName isEqualToString:encodingName]);
NSMutableData* carryStorage = [NSMutableData new];
NSMutableString* parsedString = [NSMutableString new];
[parsedString appendString:[RCTNetworking decodeTextData:[unicodeBytes subdataWithRange:NSMakeRange(0, cutPoint)]
fromResponse:fakeResponse
withCarryData:carryStorage] ?: @""];
[parsedString appendString:[RCTNetworking decodeTextData:[unicodeBytes subdataWithRange:NSMakeRange(cutPoint, unicodeBytes.length - cutPoint)]
fromResponse:fakeResponse
withCarryData:carryStorage] ?: @""];
XCTAssert(carryStorage.length == 0);
XCTAssert([parsedString isEqualToString:unicodeString]);
}
- (void)testNiqqud
{
NSString* unicodeString = [[NSString alloc] initWithData:[[NSData alloc] initWithBase64EncodedString:niqqudStringB64
options:(NSDataBase64DecodingOptions)0]
encoding:NSUTF8StringEncoding];
[self runTestForString:unicodeString usingEncoding:@"utf-8" cutAt:25];
}
- (void)testEmojis
{
NSString* unicodeString = @"\U0001F602\U0001F602";
[self runTestForString:unicodeString usingEncoding:@"utf-8" cutAt:7];
}
@end