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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 <XCTest/XCTest.h>
#import "FirebaseCore/FIRAppAssociationRegistration.h"
/** @var kKey
@brief A unique string key.
*/
static NSString *kKey = @"key";
/** @var kKey1
@brief A unique string key.
*/
static NSString *kKey1 = @"key1";
/** @var kKey2
@brief A unique string key.
*/
static NSString *kKey2 = @"key2";
/** @var gCreateNewObject
@brief A block that returns a new object everytime it is called.
*/
static id _Nullable (^gCreateNewObject)() = ^id _Nullable() {
return [[NSObject alloc] init];
};
/** @class FIRAppAssociationRegistrationTests
@brief Tests for @c FIRAppAssociationRegistration
*/
@interface FIRAppAssociationRegistrationTests : XCTestCase
@end
@implementation FIRAppAssociationRegistrationTests
- (void)testPassObject {
id host = gCreateNewObject();
id obj = gCreateNewObject();
id result = [FIRAppAssociationRegistration registeredObjectWithHost:host
key:kKey
creationBlock:^id _Nullable() {
return obj;
}];
XCTAssertEqual(obj, result);
}
- (void)testPassNil {
id host = gCreateNewObject();
id obj = [FIRAppAssociationRegistration registeredObjectWithHost:host
key:kKey
creationBlock:^id _Nullable() {
return nil;
}];
XCTAssertNil(obj);
}
- (void)testObjectOwnership {
__weak id weakHost;
__block __weak id weakObj;
@autoreleasepool {
id host = gCreateNewObject();
weakHost = host;
[FIRAppAssociationRegistration registeredObjectWithHost:host
key:kKey
creationBlock:^id _Nullable() {
id obj = gCreateNewObject();
weakObj = obj;
return obj;
}];
// Verify that neither the host nor the object is released yet, i.e., the host owns the object
// because nothing else retains the object.
XCTAssertNotNil(weakHost);
XCTAssertNotNil(weakObj);
}
// Verify that both the host and the object are released upon exit of the autorelease pool,
// i.e., the host is the sole owner of the object.
XCTAssertNil(weakHost);
XCTAssertNil(weakObj);
}
- (void)testSameHostSameKey {
id host = gCreateNewObject();
id obj1 = [FIRAppAssociationRegistration registeredObjectWithHost:host
key:kKey
creationBlock:gCreateNewObject];
id obj2 = [FIRAppAssociationRegistration registeredObjectWithHost:host
key:kKey
creationBlock:gCreateNewObject];
XCTAssertEqual(obj1, obj2);
}
- (void)testSameHostDifferentKey {
id host = gCreateNewObject();
id obj1 = [FIRAppAssociationRegistration registeredObjectWithHost:host
key:kKey1
creationBlock:gCreateNewObject];
id obj2 = [FIRAppAssociationRegistration registeredObjectWithHost:host
key:kKey2
creationBlock:gCreateNewObject];
XCTAssertNotEqual(obj1, obj2);
}
- (void)testDifferentHostSameKey {
id host1 = gCreateNewObject();
id obj1 = [FIRAppAssociationRegistration registeredObjectWithHost:host1
key:kKey
creationBlock:gCreateNewObject];
id host2 = gCreateNewObject();
id obj2 = [FIRAppAssociationRegistration registeredObjectWithHost:host2
key:kKey
creationBlock:gCreateNewObject];
XCTAssertNotEqual(obj1, obj2);
}
- (void)testDifferentHostDifferentKey {
id host1 = gCreateNewObject();
id obj1 = [FIRAppAssociationRegistration registeredObjectWithHost:host1
key:kKey1
creationBlock:gCreateNewObject];
id host2 = gCreateNewObject();
id obj2 = [FIRAppAssociationRegistration registeredObjectWithHost:host2
key:kKey2
creationBlock:gCreateNewObject];
XCTAssertNotEqual(obj1, obj2);
}
- (void)testReentrySameHostSameKey {
id host = gCreateNewObject();
XCTAssertThrows([FIRAppAssociationRegistration
registeredObjectWithHost:host
key:kKey
creationBlock:^id _Nullable() {
[FIRAppAssociationRegistration registeredObjectWithHost:host
key:kKey
creationBlock:gCreateNewObject];
return gCreateNewObject();
}]);
}
- (void)testReentrySameHostDifferentKey {
id host = gCreateNewObject();
[FIRAppAssociationRegistration registeredObjectWithHost:host
key:kKey1
creationBlock:^id _Nullable() {
[FIRAppAssociationRegistration
registeredObjectWithHost:host
key:kKey2
creationBlock:gCreateNewObject];
return gCreateNewObject();
}];
// Expect no exception raised.
}
- (void)testReentryDifferentHostSameKey {
id host1 = gCreateNewObject();
id host2 = gCreateNewObject();
[FIRAppAssociationRegistration registeredObjectWithHost:host1
key:kKey
creationBlock:^id _Nullable() {
[FIRAppAssociationRegistration
registeredObjectWithHost:host2
key:kKey
creationBlock:gCreateNewObject];
return gCreateNewObject();
}];
// Expect no exception raised.
}
- (void)testReentryDifferentHostDifferentKey {
id host1 = gCreateNewObject();
id host2 = gCreateNewObject();
[FIRAppAssociationRegistration registeredObjectWithHost:host1
key:kKey1
creationBlock:^id _Nullable() {
[FIRAppAssociationRegistration
registeredObjectWithHost:host2
key:kKey2
creationBlock:gCreateNewObject];
return gCreateNewObject();
}];
// Expect no exception raised.
}
@end
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