| /* |
| Copyright 2017-present The Material Motion Authors. All Rights Reserved. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| import XCTest |
| import MotionInterchange |
| |
| class MDMAnimationTraitsTests: XCTestCase { |
| |
| func testInitializerValuesWithDuration() { |
| let traits = MDMAnimationTraits(duration: 0.5) |
| |
| XCTAssertEqual(traits.duration, 0.5, accuracy: 0.001) |
| XCTAssertEqual(traits.delay, 0, accuracy: 0.001) |
| XCTAssertTrue(traits.timingCurve is CAMediaTimingFunction) |
| if let timingCurve = traits.timingCurve as? CAMediaTimingFunction { |
| let easeInOut = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeInEaseOut) |
| XCTAssertEqual(timingCurve.mdm_point1.x, easeInOut.mdm_point1.x, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point1.y, easeInOut.mdm_point1.y, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point2.x, easeInOut.mdm_point2.x, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point2.y, easeInOut.mdm_point2.y, accuracy: 0.001) |
| } |
| XCTAssertNil(traits.repetition) |
| } |
| |
| func testInitializerValuesWithDurationAndEaseInCurve() { |
| let traits = MDMAnimationTraits(duration: 0.5, animationCurve: .easeIn) |
| |
| XCTAssertEqual(traits.duration, 0.5, accuracy: 0.001) |
| XCTAssertEqual(traits.delay, 0, accuracy: 0.001) |
| XCTAssertTrue(traits.timingCurve is CAMediaTimingFunction) |
| if let timingCurve = traits.timingCurve as? CAMediaTimingFunction { |
| let easeInOut = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeIn) |
| XCTAssertEqual(timingCurve.mdm_point1.x, easeInOut.mdm_point1.x, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point1.y, easeInOut.mdm_point1.y, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point2.x, easeInOut.mdm_point2.x, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point2.y, easeInOut.mdm_point2.y, accuracy: 0.001) |
| } |
| XCTAssertNil(traits.repetition) |
| } |
| |
| func testInitializerValuesWithDurationDelay() { |
| let traits = MDMAnimationTraits(delay: 0.2, duration: 0.5) |
| |
| XCTAssertEqual(traits.duration, 0.5, accuracy: 0.001) |
| XCTAssertEqual(traits.delay, 0.2, accuracy: 0.001) |
| XCTAssertTrue(traits.timingCurve is CAMediaTimingFunction) |
| if let timingCurve = traits.timingCurve as? CAMediaTimingFunction { |
| let easeInOut = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeInEaseOut) |
| XCTAssertEqual(timingCurve.mdm_point1.x, easeInOut.mdm_point1.x, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point1.y, easeInOut.mdm_point1.y, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point2.x, easeInOut.mdm_point2.x, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point2.y, easeInOut.mdm_point2.y, accuracy: 0.001) |
| } |
| XCTAssertNil(traits.repetition) |
| } |
| |
| func testInitializerValuesWithDurationDelayNilTimingCurve() { |
| let traits = MDMAnimationTraits(delay: 0.2, duration: 0.5, timingCurve: nil) |
| |
| XCTAssertEqual(traits.duration, 0.5, accuracy: 0.001) |
| XCTAssertEqual(traits.delay, 0.2, accuracy: 0.001) |
| XCTAssertNil(traits.timingCurve) |
| XCTAssertNil(traits.repetition) |
| } |
| |
| func testInitializerValuesWithDurationDelayLinearTimingCurve() { |
| let linear = CAMediaTimingFunction(name: CAMediaTimingFunctionName.linear) |
| let traits = MDMAnimationTraits(delay: 0.2, duration: 0.5, timingCurve: linear) |
| |
| XCTAssertEqual(traits.duration, 0.5, accuracy: 0.001) |
| XCTAssertEqual(traits.delay, 0.2, accuracy: 0.001) |
| XCTAssertTrue(traits.timingCurve is CAMediaTimingFunction) |
| if let timingCurve = traits.timingCurve as? CAMediaTimingFunction { |
| XCTAssertEqual(timingCurve.mdm_point1.x, linear.mdm_point1.x, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point1.y, linear.mdm_point1.y, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point2.x, linear.mdm_point2.x, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.mdm_point2.y, linear.mdm_point2.y, accuracy: 0.001) |
| } |
| XCTAssertNil(traits.repetition) |
| } |
| |
| func testInitializerValuesWithDurationDelaySpringTimingCurve() { |
| let spring = MDMSpringTimingCurve(mass: 0.7, tension: 0.8, friction: 0.9) |
| let traits = MDMAnimationTraits(delay: 0.2, duration: 0.5, timingCurve: spring) |
| |
| XCTAssertEqual(traits.duration, 0.5, accuracy: 0.001) |
| XCTAssertEqual(traits.delay, 0.2, accuracy: 0.001) |
| XCTAssertTrue(traits.timingCurve is MDMSpringTimingCurve) |
| if let timingCurve = traits.timingCurve as? MDMSpringTimingCurve { |
| XCTAssertEqual(timingCurve.mass, spring.mass, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.friction, spring.friction, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.tension, spring.tension, accuracy: 0.001) |
| XCTAssertEqual(timingCurve.initialVelocity, spring.initialVelocity, |
| accuracy: 0.001) |
| } |
| XCTAssertNil(traits.repetition) |
| } |
| |
| func testInitializerValuesWithDurationDelayNilTimingCurveRepetition() { |
| let repetition = MDMRepetition(numberOfRepetitions: 5) |
| let traits = MDMAnimationTraits(delay: 0.2, |
| duration: 0.5, |
| timingCurve: nil, |
| repetition: repetition) |
| |
| XCTAssertEqual(traits.duration, 0.5, accuracy: 0.001) |
| XCTAssertEqual(traits.delay, 0.2, accuracy: 0.001) |
| XCTAssertNil(traits.timingCurve) |
| XCTAssertTrue(traits.repetition is MDMRepetition) |
| if let setRepetition = traits.repetition as? MDMRepetition { |
| XCTAssertEqual(setRepetition.numberOfRepetitions, repetition.numberOfRepetitions, |
| accuracy: 0.001) |
| XCTAssertEqual(setRepetition.autoreverses, repetition.autoreverses) |
| } |
| } |
| |
| func testModifyingACopyDoesNotModifyTheOriginal() { |
| let spring = MDMSpringTimingCurve(mass: 0.7, tension: 0.8, friction: 0.9) |
| let repetition = MDMRepetition(numberOfRepetitions: 5) |
| let traits = MDMAnimationTraits(delay: 0.2, |
| duration: 0.5, |
| timingCurve: spring, |
| repetition: repetition) |
| |
| let copy = traits.copy() as! MDMAnimationTraits |
| copy.delay = copy.delay + 1 |
| copy.duration = copy.duration + 1 |
| if let springCopy = copy.timingCurve as? MDMSpringTimingCurve { |
| springCopy.friction = springCopy.friction + 1 |
| springCopy.tension = springCopy.tension + 1 |
| springCopy.mass = springCopy.mass + 1 |
| springCopy.initialVelocity = springCopy.initialVelocity + 1 |
| |
| XCTAssertNotEqual(springCopy.friction, spring.friction, accuracy: 0.001) |
| XCTAssertNotEqual(springCopy.tension, spring.tension, accuracy: 0.001) |
| XCTAssertNotEqual(springCopy.mass, spring.mass, accuracy: 0.001) |
| XCTAssertNotEqual(springCopy.initialVelocity, spring.initialVelocity, accuracy: 0.001) |
| } |
| if let repetitionCopy = copy.repetition as? MDMRepetition { |
| repetitionCopy.autoreverses = !repetitionCopy.autoreverses |
| repetitionCopy.numberOfRepetitions = repetitionCopy.numberOfRepetitions + 1 |
| |
| XCTAssertNotEqual(repetitionCopy.autoreverses, repetition.autoreverses) |
| XCTAssertNotEqual(repetitionCopy.numberOfRepetitions, repetition.numberOfRepetitions) |
| } |
| |
| XCTAssertNotEqual(copy.duration, traits.duration, accuracy: 0.001) |
| XCTAssertNotEqual(copy.delay, traits.delay, accuracy: 0.001) |
| } |
| } |
