Swiftgram/Tests/ASDisplayNodeTestsHelper.mm
Adlai Holler d0ba092a77
Convert the codebase to Objective-C++ (#1206)
* Convert the codebase to Objective-C++ throughout. One language is better than two.

* Put it back

* Fix linker

* Point explicitly to updated Weaver to unblock build

* Revert "Point explicitly to updated Weaver to unblock build"

This reverts commit fdc25296e8794d4e6e56c35f5fe6da2be3f71dbc.

* Revert "Fix linker"

This reverts commit 7be25f91519b8497ef42de79f115bcfbdb965c39.

* Add in the frameworks

* no message

* Address spec lint warnings

* Fix tvos build

* Put that back

* Address Michael's review

* Add comment to kick CI
2018-11-02 12:04:14 -07:00

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//
// ASDisplayNodeTestsHelper.mm
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import "ASDisplayNodeTestsHelper.h"
#import <AsyncDisplayKit/ASDisplayNode.h>
#import <AsyncDisplayKit/ASLayout.h>
#import <AsyncDisplayKit/ASRunLoopQueue.h>
#import <QuartzCore/QuartzCore.h>
#import <libkern/OSAtomic.h>
// Poll the condition 1000 times a second.
static CFTimeInterval kSingleRunLoopTimeout = 0.001;
// Time out after 30 seconds.
static CFTimeInterval kTimeoutInterval = 30.0f;
BOOL ASDisplayNodeRunRunLoopUntilBlockIsTrue(as_condition_block_t block)
{
CFTimeInterval timeoutDate = CACurrentMediaTime() + kTimeoutInterval;
BOOL passed = NO;
while (true) {
OSMemoryBarrier();
passed = block();
OSMemoryBarrier();
if (passed) {
break;
}
CFTimeInterval now = CACurrentMediaTime();
if (now > timeoutDate) {
break;
}
// Run until the poll timeout or until timeoutDate, whichever is first.
CFTimeInterval runLoopTimeout = MIN(kSingleRunLoopTimeout, timeoutDate - now);
CFRunLoopRunInMode(kCFRunLoopDefaultMode, runLoopTimeout, true);
}
return passed;
}
void ASDisplayNodeSizeToFitSize(ASDisplayNode *node, CGSize size)
{
CGSize sizeThatFits = [node layoutThatFits:ASSizeRangeMake(size)].size;
node.bounds = (CGRect){.origin = CGPointZero, .size = sizeThatFits};
}
void ASDisplayNodeSizeToFitSizeRange(ASDisplayNode *node, ASSizeRange sizeRange)
{
CGSize sizeThatFits = [node layoutThatFits:sizeRange].size;
node.bounds = (CGRect){.origin = CGPointZero, .size = sizeThatFits};
}
void ASCATransactionQueueWait(ASCATransactionQueue *q)
{
if (!q) { q = ASCATransactionQueue.sharedQueue; }
NSDate *date = [NSDate dateWithTimeIntervalSinceNow:1];
BOOL whileResult = YES;
while ([date timeIntervalSinceNow] > 0 &&
(whileResult = ![q isEmpty])) {
[[NSRunLoop currentRunLoop] runUntilDate:
[NSDate dateWithTimeIntervalSinceNow:0.01]];
}
}