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69e69873cc
* Update OCMock 2.2 -> 3.4 * Clean up and port ASMultiplexImageNodeTests * Clean up * Be stricter about order * Log change * Update the licenses #important * Update the license headers more
116 lines
3.2 KiB
Objective-C
116 lines
3.2 KiB
Objective-C
//
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// ASCALayerTests.m
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// Texture
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <XCTest/XCTest.h>
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#import <OCMock/OCMock.h>
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/**
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* Tests that confirm what we know about Core Animation behavior.
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*
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* These tests are not run during the normal test action. You can run them yourself
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* to investigate and confirm CA behavior.
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*/
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@interface ASCALayerTests : XCTestCase
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@end
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#define DeclareLayerAndSublayer() \
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CALayer *realSublayer = [CALayer layer]; \
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id layer = [OCMockObject partialMockForObject:[CALayer layer]]; \
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id sublayer = [OCMockObject partialMockForObject:realSublayer]; \
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[layer addSublayer:realSublayer];
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@implementation ASCALayerTests
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- (void)testThatLayerBeginsWithCleanLayout
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{
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XCTAssertFalse([CALayer layer].needsLayout);
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}
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- (void)testThatAddingSublayersDirtysLayout
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{
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CALayer *layer = [CALayer layer];
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[layer addSublayer:[CALayer layer]];
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XCTAssertTrue([layer needsLayout]);
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}
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- (void)testThatRemovingSublayersDirtysLayout
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{
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DeclareLayerAndSublayer();
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[layer layoutIfNeeded];
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XCTAssertFalse([layer needsLayout]);
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[sublayer removeFromSuperlayer];
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XCTAssertTrue([layer needsLayout]);
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}
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- (void)testDirtySublayerLayoutDoesntDirtySuperlayer
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{
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DeclareLayerAndSublayer();
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[layer layoutIfNeeded];
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// Dirtying sublayer doesn't dirty superlayer.
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[sublayer setNeedsLayout];
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XCTAssertTrue([sublayer needsLayout]);
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XCTAssertFalse([layer needsLayout]);
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[[[sublayer expect] andForwardToRealObject] layoutSublayers];
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// NOTE: We specifically don't expect layer to get -layoutSublayers
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[sublayer layoutIfNeeded];
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[sublayer verify];
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[layer verify];
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}
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- (void)testDirtySuperlayerLayoutDoesntDirtySublayerLayout
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{
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DeclareLayerAndSublayer();
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[layer layoutIfNeeded];
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// Dirtying superlayer doesn't dirty sublayer.
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[layer setNeedsLayout];
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XCTAssertTrue([layer needsLayout]);
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XCTAssertFalse([sublayer needsLayout]);
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[[[layer expect] andForwardToRealObject] layoutSublayers];
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// NOTE: We specifically don't expect sublayer to get -layoutSublayers
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[layer layoutIfNeeded];
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[sublayer verify];
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[layer verify];
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}
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- (void)testDirtyHierarchyIsLaidOutTopDown
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{
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DeclareLayerAndSublayer();
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[sublayer setNeedsLayout];
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XCTAssertTrue([layer needsLayout]);
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XCTAssertTrue([sublayer needsLayout]);
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__block BOOL superlayerLaidOut = NO;
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[[[[layer expect] andDo:^(NSInvocation *i) {
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superlayerLaidOut = YES;
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}] andForwardToRealObject] layoutSublayers];
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[[[[sublayer expect] andDo:^(NSInvocation *i) {
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XCTAssertTrue(superlayerLaidOut);
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}] andForwardToRealObject] layoutSublayers];
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[layer layoutIfNeeded];
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[sublayer verify];
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[layer verify];
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}
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@end
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