mirror of
https://github.com/firebase/firebase-ios-sdk
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70 lines
2.4 KiB
Objective-C
70 lines
2.4 KiB
Objective-C
// Copyright 2018 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "GoogleUtilities/SwizzlerTestHelpers/GULRuntimeDiff.h"
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#import "GoogleUtilities/SwizzlerTestHelpers/GULRuntimeClassDiff.h"
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/** Computes the equality of possibly nil or empty NSSets.
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*
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* @param firstSet The first set of strings.
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* @param secondSet The second set of strings.
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* @return YES if both sets are zero length or nil, or the result of `isEqualToSet:`.
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*/
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FOUNDATION_STATIC_INLINE
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BOOL IsEqual(NSSet *firstSet, NSSet *secondSet) {
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return ((!firstSet || firstSet.count == 0) && (!secondSet || secondSet.count == 0)) ||
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[firstSet isEqualToSet:secondSet];
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}
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@implementation GULRuntimeDiff
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- (NSUInteger)hash {
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return [_addedClasses hash] ^ [_removedClasses hash] ^ [_classDiffs hash];
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}
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- (BOOL)isEqual:(id)object {
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GULRuntimeDiff *otherObject = (GULRuntimeDiff *)object;
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return IsEqual(_addedClasses, otherObject->_addedClasses) &&
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IsEqual(_removedClasses, otherObject->_removedClasses) &&
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IsEqual(_classDiffs, otherObject->_classDiffs);
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}
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- (NSString *)description {
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NSMutableString *description = [[NSMutableString alloc] init];
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if (_addedClasses.count) {
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[description appendString:@"Added classes:\n"];
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for (NSString *classString in _addedClasses) {
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[description appendFormat:@"\t%@\n", classString];
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}
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}
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if (_removedClasses.count) {
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[description appendString:@"\nRemoved classes:\n"];
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for (NSString *classString in _removedClasses) {
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[description appendFormat:@"\t%@\n", classString];
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}
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}
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if (_classDiffs.count) {
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[description appendString:@"\nClass diffs:\n"];
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for (GULRuntimeClassDiff *classDiff in _classDiffs) {
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NSString *classDiffDescription =
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[[classDiff description] stringByReplacingOccurrencesOfString:@"\n" withString:@"\n\t"];
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[description appendFormat:@"\t%@\n", classDiffDescription];
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}
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}
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return description;
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}
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@end
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