mirror of
https://github.com/firebase/firebase-ios-sdk
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57 lines
1.9 KiB
Objective-C
57 lines
1.9 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/GULRuntimeStateHelper.h"
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#import <objc/runtime.h>
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#import "GoogleUtilities/SwizzlerTestHelpers/GULRuntimeSnapshot.h"
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@implementation GULRuntimeStateHelper
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/** Initializes and returns the snapshot cache.
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*
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* @return A singleton snapshot cache.
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*/
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+ (NSMutableArray<GULRuntimeSnapshot *> *)snapshotCache {
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static NSMutableArray<GULRuntimeSnapshot *> *snapshots;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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snapshots = [[NSMutableArray<GULRuntimeSnapshot *> alloc] init];
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});
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return snapshots;
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}
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+ (NSUInteger)captureRuntimeState {
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GULRuntimeSnapshot *snapshot = [[GULRuntimeSnapshot alloc] init];
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[snapshot capture];
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[[self snapshotCache] addObject:snapshot];
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return [self snapshotCache].count - 1;
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}
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+ (NSUInteger)captureRuntimeStateOfClasses:(NSSet<Class> *)classes {
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GULRuntimeSnapshot *snapshot = [[GULRuntimeSnapshot alloc] initWithClasses:classes];
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[snapshot capture];
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[[self snapshotCache] addObject:snapshot];
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return [self snapshotCache].count - 1;
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}
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+ (GULRuntimeDiff *)diffBetween:(NSUInteger)firstSnapshot
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secondSnapshot:(NSUInteger)secondSnapshot {
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NSArray *snapshotCache = [self snapshotCache];
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return [snapshotCache[firstSnapshot] diff:snapshotCache[secondSnapshot]];
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}
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@end
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