ReactiveCocoaFramework/ReactiveCocoaTests/RACDisposableSpec.m

//
//  RACDisposableSpec.m
//  ReactiveCocoa
//
//  Created by Justin Spahr-Summers on 2013-06-13.
//  Copyright (c) 2013 GitHub, Inc. All rights reserved.
//

#import "RACDisposable.h"
#import "RACScopedDisposable.h"

SpecBegin(RACDisposable)

it(@"should initialize without a block", ^{
	RACDisposable *disposable = [[RACDisposable alloc] init];
	expect(disposable).notTo.beNil();
	expect(disposable.disposed).to.beFalsy();

	[disposable dispose];
	expect(disposable.disposed).to.beTruthy();
});

it(@"should execute a block upon disposal", ^{
	__block BOOL disposed = NO;
	RACDisposable *disposable = [RACDisposable disposableWithBlock:^{
		disposed = YES;
	}];

	expect(disposable).notTo.beNil();
	expect(disposed).to.beFalsy();
	expect(disposable.disposed).to.beFalsy();

	[disposable dispose];
	expect(disposed).to.beTruthy();
	expect(disposable.disposed).to.beTruthy();
});

it(@"should not dispose upon deallocation", ^{
	__block BOOL disposed = NO;
	__weak RACDisposable *weakDisposable = nil;

	@autoreleasepool {
		RACDisposable *disposable = [RACDisposable disposableWithBlock:^{
			disposed = YES;
		}];

		weakDisposable = disposable;
		expect(weakDisposable).notTo.beNil();
	}

	expect(weakDisposable).to.beNil();
	expect(disposed).to.beFalsy();
});

it(@"should create a scoped disposable", ^{
	__block BOOL disposed = NO;
	__weak RACScopedDisposable *weakDisposable = nil;

	@autoreleasepool {
		RACScopedDisposable *disposable __attribute__((objc_precise_lifetime)) = [RACScopedDisposable disposableWithBlock:^{
			disposed = YES;
		}];

		weakDisposable = disposable;
		expect(weakDisposable).notTo.beNil();
		expect(disposed).to.beFalsy();
	}

	expect(weakDisposable).to.beNil();
	expect(disposed).to.beTruthy();
});

SpecEnd