mirror of
https://github.com/firebase/firebase-ios-sdk
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208 lines
9.0 KiB
Objective-C
208 lines
9.0 KiB
Objective-C
/*
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* Copyright 2017 Google
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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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*/
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#import "FSparseSnapshotTests.h"
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#import "FSparseSnapshotTree.h"
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#import "FSnapshotUtilities.h"
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#import "FEmptyNode.h"
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@implementation FSparseSnapshotTests
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- (void) testBasicRememberAndFind {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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FPath* path = [[FPath alloc] initWith:@"a/b"];
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id<FNode> node = [FSnapshotUtilities nodeFrom:@"sdfsd"];
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[st rememberData:node onPath:path];
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id<FNode> found = [st findPath:path];
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XCTAssertFalse([found isEmpty], @"Should find node");
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found = [st findPath:path.parent];
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XCTAssertTrue(found == nil, @"Should not find a node");
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}
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- (void) testFindInsideAnExistingSnapshot {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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FPath* path = [[FPath alloc] initWith:@"t/tt"];
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id<FNode> node = [FSnapshotUtilities nodeFrom:@{@"a": @"sdfsd", @"x": @5, @"999i": @YES}];
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id<FNode> update = [FSnapshotUtilities nodeFrom:@{@"goats": @88}];
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node = [node updateImmediateChild:@"apples" withNewChild:update];
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[st rememberData:node onPath:path];
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id<FNode> found = [st findPath:path];
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XCTAssertFalse([found isEmpty], @"Should find the node we set");
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found = [st findPath:[path childFromString:@"a"]];
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XCTAssertTrue([[found val] isEqualToString:@"sdfsd"], @"Find works inside data snapshot");
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found = [st findPath:[path childFromString:@"999i"]];
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XCTAssertTrue([[found val] isEqualToNumber:@YES], @"Find works inside data snapshot");
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found = [st findPath:[path childFromString:@"apples"]];
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XCTAssertFalse([found isEmpty], @"Should find the node we set");
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found = [st findPath:[path childFromString:@"apples/goats"]];
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XCTAssertTrue([[found val] isEqualToNumber:@88], @"Find works inside data snapshot");
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}
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- (void) testWriteASnapshotInsideASnapshot {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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[st rememberData:[FSnapshotUtilities nodeFrom:@{@"a": @{@"b": @"v"}}] onPath:[[FPath alloc] initWith:@"t"]];
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[st rememberData:[FSnapshotUtilities nodeFrom:@19] onPath:[[FPath alloc] initWith:@"t/a/rr"]];
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id<FNode> found = [st findPath:[[FPath alloc] initWith:@"t/a/b"]];
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XCTAssertTrue([[found val] isEqualToString:@"v"], @"Find inside snap");
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found = [st findPath:[[FPath alloc] initWith:@"t/a/rr"]];
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XCTAssertTrue([[found val] isEqualToNumber:@19], @"Find inside snap");
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}
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- (void) testWriteANullValueAndConfirmItIsRemembered {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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[st rememberData:[FSnapshotUtilities nodeFrom:[NSNull null]] onPath:[[FPath alloc] initWith:@"awq/fff"]];
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id<FNode> found = [st findPath:[[FPath alloc] initWith:@"awq/fff"]];
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XCTAssertTrue([found isEmpty], @"Empty node");
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found = [st findPath:[[FPath alloc] initWith:@"awq/sdf"]];
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XCTAssertTrue(found == nil, @"No node here");
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found = [st findPath:[[FPath alloc] initWith:@"awq/fff/jjj"]];
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XCTAssertTrue([found isEmpty], @"Empty node");
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found = [st findPath:[[FPath alloc] initWith:@"awq/sdf/sdj/q"]];
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XCTAssertTrue(found == nil, @"No node here");
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}
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- (void) testOverwriteWithNullAndConfirmItIsRemembered {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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[st rememberData:[FSnapshotUtilities nodeFrom:@{@"a": @{@"b": @"v"}}] onPath:[[FPath alloc] initWith:@"t"]];
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id<FNode> found = [st findPath:[[FPath alloc] initWith:@"t"]];
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XCTAssertFalse([found isEmpty], @"non-empty node");
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[st rememberData:[FSnapshotUtilities nodeFrom:[NSNull null]] onPath:[[FPath alloc] initWith:@"t"]];
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found = [st findPath:[[FPath alloc] initWith:@"t"]];
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XCTAssertTrue([found isEmpty], @"Empty node");
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}
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- (void) testSimpleRememberAndForget {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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[st rememberData:[FSnapshotUtilities nodeFrom:@{@"a": @{@"b": @"v"}}] onPath:[[FPath alloc] initWith:@"t"]];
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id<FNode> found = [st findPath:[[FPath alloc] initWith:@"t"]];
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XCTAssertFalse([found isEmpty], @"non-empty node");
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[st forgetPath:[[FPath alloc] initWith:@"t"]];
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found = [st findPath:[[FPath alloc] initWith:@"t"]];
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XCTAssertTrue(found == nil, @"node is gone");
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}
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- (void) testForgetTheRoot {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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[st rememberData:[FSnapshotUtilities nodeFrom:@{@"a": @{@"b": @"v"}}] onPath:[[FPath alloc] initWith:@"t"]];
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id<FNode> found = [st findPath:[[FPath alloc] initWith:@"t"]];
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XCTAssertFalse([found isEmpty], @"non-empty node");
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found = [st findPath:[[FPath alloc] initWith:@""]];
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XCTAssertTrue(found == nil, @"node is gone");
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}
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- (void) testForgetSnapshotInsideSnapshot {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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[st rememberData:[FSnapshotUtilities nodeFrom:@{@"a": @{@"b": @"v", @"c": @9, @"art": @NO}}] onPath:[[FPath alloc] initWith:@"t"]];
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id<FNode> found = [st findPath:[[FPath alloc] initWith:@"t/a/c"]];
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XCTAssertFalse([found isEmpty], @"non-empty node");
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found = [st findPath:[[FPath alloc] initWith:@"t"]];
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XCTAssertFalse([found isEmpty], @"non-empty node");
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[st forgetPath:PATH(@"t/a/c")];
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XCTAssertTrue([st findPath:PATH(@"t")] == nil, @"no more node here");
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XCTAssertTrue([st findPath:PATH(@"t/a")] == nil, @"no more node here");
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XCTAssertTrue([[[st findPath:PATH(@"t/a/b")] val] isEqualToString:@"v"], @"child still exists");
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XCTAssertTrue([st findPath:PATH(@"t/a/c")] == nil, @"no more node here");
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XCTAssertTrue([[[st findPath:PATH(@"t/a/art")] val] isEqualToNumber:@NO], @"child still exists");
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}
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- (void) testPathShallowerThanSnapshots {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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[st rememberData:NODE(@NO) onPath:PATH(@"t/x1")];
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[st rememberData:NODE(@YES) onPath:PATH(@"t/x2")];
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[st forgetPath:PATH(@"t")];
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XCTAssertTrue([st findPath:PATH(@"t")] == nil, @"No more node here");
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}
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- (void) testIterateChildren {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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id<FNode> node = [FSnapshotUtilities nodeFrom:@{@"b": @"v", @"c": @9, @"art": @NO}];
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[st rememberData:node onPath:PATH(@"t")];
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[st rememberData:[FEmptyNode emptyNode] onPath:PATH(@"q")];
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__block int num = 0;
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__block BOOL gotT = NO;
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__block BOOL gotQ = NO;
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[st forEachChild:^(NSString* key, FSparseSnapshotTree* tree) {
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num++;
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if ([key isEqualToString:@"t"]) {
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gotT = YES;
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} else if ([key isEqualToString:@"q"]) {
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gotQ = YES;
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} else {
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XCTFail(@"Unknown child");
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}
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}];
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XCTAssertTrue(gotT, @"Saw t");
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XCTAssertTrue(gotQ, @"Saw q");
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XCTAssertTrue(num == 2, @"Saw two children");
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}
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- (void) testIterateTrees {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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__block int count = 0;
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[st forEachTreeAtPath:PATH(@"") do:^(FPath *path, id<FNode> data) {
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count++;
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}];
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XCTAssertTrue(count == 0, @"No trees to iterate through");
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[st rememberData:NODE(@1) onPath:PATH(@"t")];
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[st rememberData:NODE(@2) onPath:PATH(@"a/b")];
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[st rememberData:NODE(@3) onPath:PATH(@"a/x/g")];
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[st rememberData:NODE([NSNull null]) onPath:PATH(@"a/x/null")];
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__block int num = 0;
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__block BOOL got1 = NO;
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__block BOOL got2 = NO;
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__block BOOL got3 = NO;
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__block BOOL gotNull = NO;
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[st forEachTreeAtPath:PATH(@"q") do:^(FPath *path, id<FNode> data) {
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num++;
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NSString* pathString = [path description];
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if ([pathString isEqualToString:@"/q/t"]) {
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got1 = YES;
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XCTAssertTrue([[data val] isEqualToNumber:@1], @"got 1");
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} else if ([pathString isEqualToString:@"/q/a/b"]) {
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got2 = YES;
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XCTAssertTrue([[data val] isEqualToNumber:@2], @"got 2");
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} else if ([pathString isEqualToString:@"/q/a/x/g"]) {
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got3 = YES;
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XCTAssertTrue([[data val] isEqualToNumber:@3], @"got 3");
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} else if ([pathString isEqualToString:@"/q/a/x/null"]) {
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gotNull = YES;
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XCTAssertTrue([data val] == [NSNull null], @"got null");
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} else {
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XCTFail(@"unknown tree");
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}
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}];
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XCTAssertTrue(got1 && got2 && got3 && gotNull, @"saw all the children");
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XCTAssertTrue(num == 4, @"Saw the right number of children");
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}
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- (void) testSetLeafAndForgetDeeperPath {
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FSparseSnapshotTree* st = [[FSparseSnapshotTree alloc] init];
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[st rememberData:NODE(@"bar") onPath:PATH(@"foo")];
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BOOL safeToRemove = [st forgetPath:PATH(@"foo/baz")];
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XCTAssertFalse(safeToRemove, @"Should not have deleted anything, nothing to remove");
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}
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@end
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