Files
Texture/Tests/ASCALayerTests.m
appleguy 465abb1ded [License] Simplify the Texture license to be pure Apache 2 (removing ASDK-Licenses). (#1077)
* [License] Simplify the Texture license to be pure Apache 2 (removing ASDK-Licenses)

With permission of the Facebook Open Source team, we are simplifying the Texture
license so that clients can rely on the Apache 2 terms that most of Texture is
already covered by. This means that code originally forked from AsyncDisplayKit
will be re-licensed from "BSD 3-clause + PATENTS v2" to Apache 2 without a
PATENTS file.

After getting confirmation that the updates to these core files look good, we'll
propagate this new license header to all files (in this same PR) and get sign-off
from all parties before landing.

* [License] Update all Texture source files to be pure Apache 2.

* Changelog entry for Apache 2 license update.

* Revert "[License] Update all Texture source files to be pure Apache 2."

This reverts commit ffa0fbbba9.

* [License] Update all Texture source files to be pure Apache 2, maintaining copyrights.

* [License] Update CONTRIBUTING, README, Podspec & Dangerfile.
2018-08-28 07:39:18 -07:00

108 lines
2.8 KiB
Objective-C

//
// ASCALayerTests.m
// 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 <XCTest/XCTest.h>
#import <OCMock/OCMock.h>
/**
* Tests that confirm what we know about Core Animation behavior.
*
* These tests are not run during the normal test action. You can run them yourself
* to investigate and confirm CA behavior.
*/
@interface ASCALayerTests : XCTestCase
@end
#define DeclareLayerAndSublayer() \
CALayer *realSublayer = [CALayer layer]; \
id layer = [OCMockObject partialMockForObject:[CALayer layer]]; \
id sublayer = [OCMockObject partialMockForObject:realSublayer]; \
[layer addSublayer:realSublayer];
@implementation ASCALayerTests
- (void)testThatLayerBeginsWithCleanLayout
{
XCTAssertFalse([CALayer layer].needsLayout);
}
- (void)testThatAddingSublayersDirtysLayout
{
CALayer *layer = [CALayer layer];
[layer addSublayer:[CALayer layer]];
XCTAssertTrue([layer needsLayout]);
}
- (void)testThatRemovingSublayersDirtysLayout
{
DeclareLayerAndSublayer();
[layer layoutIfNeeded];
XCTAssertFalse([layer needsLayout]);
[sublayer removeFromSuperlayer];
XCTAssertTrue([layer needsLayout]);
}
- (void)testDirtySublayerLayoutDoesntDirtySuperlayer
{
DeclareLayerAndSublayer();
[layer layoutIfNeeded];
// Dirtying sublayer doesn't dirty superlayer.
[sublayer setNeedsLayout];
XCTAssertTrue([sublayer needsLayout]);
XCTAssertFalse([layer needsLayout]);
[[[sublayer expect] andForwardToRealObject] layoutSublayers];
// NOTE: We specifically don't expect layer to get -layoutSublayers
[sublayer layoutIfNeeded];
[sublayer verify];
[layer verify];
}
- (void)testDirtySuperlayerLayoutDoesntDirtySublayerLayout
{
DeclareLayerAndSublayer();
[layer layoutIfNeeded];
// Dirtying superlayer doesn't dirty sublayer.
[layer setNeedsLayout];
XCTAssertTrue([layer needsLayout]);
XCTAssertFalse([sublayer needsLayout]);
[[[layer expect] andForwardToRealObject] layoutSublayers];
// NOTE: We specifically don't expect sublayer to get -layoutSublayers
[layer layoutIfNeeded];
[sublayer verify];
[layer verify];
}
- (void)testDirtyHierarchyIsLaidOutTopDown
{
DeclareLayerAndSublayer();
[sublayer setNeedsLayout];
XCTAssertTrue([layer needsLayout]);
XCTAssertTrue([sublayer needsLayout]);
__block BOOL superlayerLaidOut = NO;
[[[[layer expect] andDo:^(NSInvocation *i) {
superlayerLaidOut = YES;
}] andForwardToRealObject] layoutSublayers];
[[[[sublayer expect] andDo:^(NSInvocation *i) {
XCTAssertTrue(superlayerLaidOut);
}] andForwardToRealObject] layoutSublayers];
[layer layoutIfNeeded];
[sublayer verify];
[layer verify];
}
@end