127 строки
3.8 KiB
Objective-C
127 строки
3.8 KiB
Objective-C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <XCTest/XCTest.h>
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#import <React/RCTUtils.h>
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@interface RCTJSONTests : XCTestCase
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@end
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@implementation RCTJSONTests
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- (void)testEncodingObject
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{
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NSDictionary<NSString *, id> *obj = @{@"foo" : @"bar"};
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NSString *json = @"{\"foo\":\"bar\"}";
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XCTAssertEqualObjects(json, RCTJSONStringify(obj, NULL));
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}
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- (void)testEncodingArray
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{
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NSArray<id> *array = @[ @"foo", @"bar" ];
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NSString *json = @"[\"foo\",\"bar\"]";
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XCTAssertEqualObjects(json, RCTJSONStringify(array, NULL));
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}
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- (void)testEncodingString
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{
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NSString *text = @"Hello\nWorld";
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NSString *json = @"\"Hello\\nWorld\"";
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XCTAssertEqualObjects(json, RCTJSONStringify(text, NULL));
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}
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- (void)testEncodingNSError
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{
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NSError *underlyingError = [NSError errorWithDomain:@"underlyingDomain" code:421 userInfo:nil];
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NSError *err = [NSError errorWithDomain:@"domain" code:68 userInfo:@{@"NSUnderlyingError" : underlyingError}];
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// An assertion on the full object would be too brittle since it contains an iOS stack trace
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// so we are relying on the behavior of RCTJSONParse, which is tested below.
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NSDictionary<NSString *, id> *jsonObject = RCTJSErrorFromNSError(err);
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NSString *jsonString = RCTJSONStringify(jsonObject, NULL);
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NSDictionary<NSString *, id> *json = RCTJSONParse(jsonString, NULL);
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XCTAssertEqualObjects(json[@"code"], @"EDOMAIN68");
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XCTAssertEqualObjects(json[@"message"], @"The operation couldn\u2019t be completed. (domain error 68.)");
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XCTAssertEqualObjects(json[@"domain"], @"domain");
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XCTAssertEqualObjects(json[@"userInfo"][@"NSUnderlyingError"][@"code"], @"421");
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XCTAssertEqualObjects(json[@"userInfo"][@"NSUnderlyingError"][@"message"], @"underlying error");
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XCTAssertEqualObjects(json[@"userInfo"][@"NSUnderlyingError"][@"domain"], @"underlyingDomain");
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}
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- (void)testDecodingObject
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{
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NSDictionary<NSString *, id> *obj = @{@"foo" : @"bar"};
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NSString *json = @"{\"foo\":\"bar\"}";
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XCTAssertEqualObjects(obj, RCTJSONParse(json, NULL));
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}
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- (void)testDecodingArray
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{
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NSArray<id> *array = @[ @"foo", @"bar" ];
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NSString *json = @"[\"foo\",\"bar\"]";
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XCTAssertEqualObjects(array, RCTJSONParse(json, NULL));
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}
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- (void)testDecodingString
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{
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NSString *text = @"Hello\nWorld";
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NSString *json = @"\"Hello\\nWorld\"";
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XCTAssertEqualObjects(text, RCTJSONParse(json, NULL));
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}
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- (void)testDecodingMutableArray
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{
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NSString *json = @"[1,2,3]";
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NSMutableArray<id> *array = RCTJSONParseMutable(json, NULL);
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XCTAssertNoThrow([array addObject:@4]);
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XCTAssertEqualObjects(array, (@[ @1, @2, @3, @4 ]));
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}
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- (void)testLeadingWhitespace
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{
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NSDictionary<NSString *, id> *obj = @{@"foo" : @"bar"};
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NSString *json = @" \r\n\t{\"foo\":\"bar\"}";
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XCTAssertEqualObjects(obj, RCTJSONParse(json, NULL));
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}
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- (void)testNotJSONSerializable
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{
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NSDictionary<NSString *, id> *obj = @{@"foo" : [NSDate date]};
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NSString *json = @"{\"foo\":null}";
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XCTAssertEqualObjects(json, RCTJSONStringify(obj, NULL));
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}
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- (void)testNaN
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{
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NSDictionary<NSString *, id> *obj = @{@"foo" : @(NAN)};
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NSString *json = @"{\"foo\":0}";
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XCTAssertEqualObjects(json, RCTJSONStringify(obj, NULL));
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}
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/* [macOS crashes in Xcode 11
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- (void)testNotUTF8Convertible
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{
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// see https://gist.github.com/0xced/56035d2f57254cf518b5
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NSString *string = [[NSString alloc] initWithBytes:"\xd8\x00" length:2 encoding:NSUTF16StringEncoding];
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NSDictionary<NSString *, id> *obj = @{@"foo" : string};
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NSString *json = @"{\"foo\":null}";
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XCTAssertEqualObjects(json, RCTJSONStringify(obj, NULL));
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}
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macOS] */
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- (void)testErrorPointer
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{
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NSDictionary<NSString *, id> *obj = @{@"foo" : [NSDate date]};
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NSError *error;
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XCTAssertNil(RCTJSONStringify(obj, &error));
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XCTAssertNotNil(error);
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}
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@end
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