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/*
* Copyright 2017 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import "Firestore/Source/Local/FSTEagerGarbageCollector.h"
#include <set>
#import <XCTest/XCTest.h>
#import "Firestore/Source/Local/FSTReferenceSet.h"
#import "Firestore/Source/Model/FSTDocumentKey.h"
#include "Firestore/core/src/firebase/firestore/model/document_key.h"
#include "Firestore/core/test/firebase/firestore/testutil/testutil.h"
namespace testutil = firebase::firestore::testutil;
using firebase::firestore::model::DocumentKey;
NS_ASSUME_NONNULL_BEGIN
@interface FSTEagerGarbageCollectorTests : XCTestCase
@end
@implementation FSTEagerGarbageCollectorTests
- (void)testAddOrRemoveReferences {
FSTEagerGarbageCollector *gc = [[FSTEagerGarbageCollector alloc] init];
FSTReferenceSet *referenceSet = [[FSTReferenceSet alloc] init];
[gc addGarbageSource:referenceSet];
DocumentKey key = testutil::Key("foo/bar");
[referenceSet addReferenceToKey:key forID:1];
XCTAssertEqual([gc collectGarbage], std::set<DocumentKey>({}));
XCTAssertFalse([referenceSet isEmpty]);
[referenceSet removeReferenceToKey:key forID:1];
XCTAssertEqual([gc collectGarbage], std::set<DocumentKey>({key}));
XCTAssertTrue([referenceSet isEmpty]);
}
- (void)testRemoveAllReferencesForID {
FSTEagerGarbageCollector *gc = [[FSTEagerGarbageCollector alloc] init];
FSTReferenceSet *referenceSet = [[FSTReferenceSet alloc] init];
[gc addGarbageSource:referenceSet];
DocumentKey key1 = testutil::Key("foo/bar");
DocumentKey key2 = testutil::Key("foo/baz");
DocumentKey key3 = testutil::Key("foo/blah");
[referenceSet addReferenceToKey:key1 forID:1];
[referenceSet addReferenceToKey:key2 forID:1];
[referenceSet addReferenceToKey:key3 forID:2];
XCTAssertFalse([referenceSet isEmpty]);
[referenceSet removeReferencesForID:1];
XCTAssertEqual([gc collectGarbage], std::set<DocumentKey>({key1, key2}));
XCTAssertFalse([referenceSet isEmpty]);
[referenceSet removeReferencesForID:2];
XCTAssertEqual([gc collectGarbage], std::set<DocumentKey>({key3}));
XCTAssertTrue([referenceSet isEmpty]);
}
- (void)testTwoReferenceSetsAtTheSameTime {
FSTReferenceSet *remoteTargets = [[FSTReferenceSet alloc] init];
FSTReferenceSet *localViews = [[FSTReferenceSet alloc] init];
FSTReferenceSet *mutations = [[FSTReferenceSet alloc] init];
FSTEagerGarbageCollector *gc = [[FSTEagerGarbageCollector alloc] init];
[gc addGarbageSource:remoteTargets];
[gc addGarbageSource:localViews];
[gc addGarbageSource:mutations];
DocumentKey key1 = testutil::Key("foo/bar");
[remoteTargets addReferenceToKey:key1 forID:1];
[localViews addReferenceToKey:key1 forID:1];
[mutations addReferenceToKey:key1 forID:10];
DocumentKey key2 = testutil::Key("foo/baz");
[mutations addReferenceToKey:key2 forID:10];
XCTAssertFalse([remoteTargets isEmpty]);
XCTAssertFalse([localViews isEmpty]);
XCTAssertFalse([mutations isEmpty]);
[localViews removeReferencesForID:1];
XCTAssertEqual([gc collectGarbage], std::set<DocumentKey>({}));
[remoteTargets removeReferencesForID:1];
XCTAssertEqual([gc collectGarbage], std::set<DocumentKey>({}));
[mutations removeReferenceToKey:key1 forID:10];
XCTAssertEqual([gc collectGarbage], std::set<DocumentKey>({key1}));
[mutations removeReferenceToKey:key2 forID:10];
XCTAssertEqual([gc collectGarbage], std::set<DocumentKey>({key2}));
XCTAssertTrue([remoteTargets isEmpty]);
XCTAssertTrue([localViews isEmpty]);
XCTAssertTrue([mutations isEmpty]);
}
@end
NS_ASSUME_NONNULL_END
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