b938017ccf
Summary: This exposes an API so people can find out the resulting size of a layout calculation without changing the frame of the view. Reviewed By: emilsjolander Differential Revision: D4124630 fbshipit-source-id: f2b28d8a5474857cb1c92e021a1f161806826cda
82 lines
2.1 KiB
Objective-C
82 lines
2.1 KiB
Objective-C
/**
|
|
* Copyright (c) 2014-present, Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under the BSD-style license found in the
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
|
*/
|
|
|
|
#import <XCTest/XCTest.h>
|
|
|
|
#import "UIView+CSSLayout.h"
|
|
|
|
@interface CSSLayoutTests : XCTestCase
|
|
@end
|
|
|
|
@implementation CSSLayoutTests
|
|
|
|
- (void)testNodesAreDeallocedWithSingleView
|
|
{
|
|
XCTAssertEqual(0, CSSNodeGetInstanceCount());
|
|
|
|
UIView *view = [[UIView alloc] initWithFrame:CGRectZero];
|
|
[view css_setFlex:1];
|
|
XCTAssertEqual(1, CSSNodeGetInstanceCount());
|
|
view = nil;
|
|
|
|
XCTAssertEqual(0, CSSNodeGetInstanceCount());
|
|
}
|
|
|
|
- (void)testNodesAreDeallocedCascade
|
|
{
|
|
XCTAssertEqual(0, CSSNodeGetInstanceCount());
|
|
|
|
UIView *view = [[UIView alloc] initWithFrame:CGRectZero];
|
|
[view css_setFlex:1];
|
|
|
|
for (int i=0; i<10; i++) {
|
|
UIView *subview = [[UIView alloc] initWithFrame:CGRectZero];
|
|
[subview css_setFlex:1];
|
|
[view addSubview:subview];
|
|
}
|
|
XCTAssertEqual(11, CSSNodeGetInstanceCount());
|
|
view = nil;
|
|
|
|
XCTAssertEqual(0, CSSNodeGetInstanceCount());
|
|
}
|
|
|
|
- (void)testUsesFlexbox
|
|
{
|
|
UIView *view = [[UIView alloc] initWithFrame:CGRectZero];
|
|
XCTAssertFalse([view css_usesFlexbox]);
|
|
|
|
[view css_setUsesFlexbox:YES];
|
|
XCTAssertTrue([view css_usesFlexbox]);
|
|
|
|
[view css_setUsesFlexbox:NO];
|
|
XCTAssertFalse([view css_usesFlexbox]);
|
|
}
|
|
|
|
- (void)testSizeThatFitsAsserts
|
|
{
|
|
UIView *view = [[UIView alloc] initWithFrame:CGRectZero];
|
|
XCTAssertThrows([view css_sizeThatFits:CGSizeZero]);
|
|
|
|
dispatch_sync(dispatch_queue_create("com.facebook.CSSLayout.testing", DISPATCH_QUEUE_SERIAL), ^(void){
|
|
XCTAssertThrows([view css_sizeThatFits:CGSizeZero]);
|
|
});
|
|
}
|
|
|
|
- (void)testSizeThatFitsSmoke
|
|
{
|
|
UIView *view = [[UIView alloc] initWithFrame:CGRectZero];
|
|
[view css_setUsesFlexbox:YES];
|
|
|
|
const CGSize constrainedSize = CGSizeMake(50, 50);
|
|
const CGSize actualSize = [view css_sizeThatFits:constrainedSize];
|
|
XCTAssertTrue(CGSizeEqualToSize(constrainedSize, actualSize), @"Actual Size: %@", NSStringFromCGSize(actualSize));
|
|
}
|
|
|
|
@end
|