react-native/RNTester/RNTesterUnitTests/RCTUnicodeDecodeTests.m

72 lines
2.9 KiB
Objective-C

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
#import <XCTest/XCTest.h>
#import <React/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