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//
// GTMNSObject+KeyValueObservingTest.m
//
// Copyright 2009 Google Inc.
//
// 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.
//
//
// Tester.m
// MAKVONotificationCenter
//
// Created by Michael Ash on 10/15/08.
//
// This code is based on code by Michael Ash.
// See comment in header.
#import "GTMSenTestCase.h"
#import "GTMNSObject+KeyValueObserving.h"
#import "GTMDefines.h"
@interface GTMNSObject_KeyValueObservingTest : GTMTestCase {
int32_t count_;
NSMutableDictionary *dict_;
GTM_WEAK NSString *expectedValue_;
}
- (void)observeValueChange:(GTMKeyValueChangeNotification *)notification;
@end
@implementation GTMNSObject_KeyValueObservingTest
- (void)setUp {
dict_ = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
@"foo", @"key",
nil];
}
- (void)tearDown {
[dict_ release];
}
- (void)testSingleChange {
count_ = 0;
[dict_ gtm_addObserver:self
forKeyPath:@"key"
selector:@selector(observeValueChange:)
userInfo:@"userInfo"
options:NSKeyValueObservingOptionNew];
expectedValue_ = @"bar";
[dict_ setObject:expectedValue_ forKey:@"key"];
XCTAssertEqual(count_, (int32_t)1);
[dict_ gtm_removeObserver:self
forKeyPath:@"key"
selector:@selector(observeValueChange:)];
[dict_ setObject:@"foo" forKey:@"key"];
XCTAssertEqual(count_, (int32_t)1);
}
- (void)testStopObservingAllKeyPaths {
count_ = 0;
[dict_ gtm_addObserver:self
forKeyPath:@"key"
selector:@selector(observeValueChange:)
userInfo:@"userInfo"
options:NSKeyValueObservingOptionNew];
expectedValue_ = @"bar";
[dict_ setObject:expectedValue_ forKey:@"key"];
XCTAssertEqual(count_, (int32_t)1);
[self gtm_stopObservingAllKeyPaths];
[dict_ setObject:@"foo" forKey:@"key"];
XCTAssertEqual(count_, (int32_t)1);
}
- (void)testRemoving {
[dict_ gtm_removeObserver:self
forKeyPath:@"key"
selector:@selector(observeValueChange:)];
}
- (void)testAdding {
[dict_ gtm_addObserver:self
forKeyPath:@"key"
selector:@selector(observeValueChange:)
userInfo:@"userInfo"
options:NSKeyValueObservingOptionNew];
[dict_ gtm_addObserver:self
forKeyPath:@"key"
selector:@selector(observeValueChange:)
userInfo:@"userInfo"
options:NSKeyValueObservingOptionNew];
[dict_ gtm_removeObserver:self
forKeyPath:@"key"
selector:@selector(observeValueChange:)];
}
- (void)observeValueChange:(GTMKeyValueChangeNotification *)notification {
XCTAssertEqualObjects([notification userInfo], @"userInfo");
XCTAssertEqualObjects([notification keyPath], @"key");
XCTAssertEqualObjects([notification object], dict_);
NSDictionary *change = [notification change];
NSString *value = [change objectForKey:NSKeyValueChangeNewKey];
XCTAssertEqualObjects(value, expectedValue_);
++count_;
GTMKeyValueChangeNotification *copy = [[notification copy] autorelease];
XCTAssertEqualObjects(notification, copy);
XCTAssertEqual([notification hash], [copy hash]);
}
@end
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