79 lines
2.4 KiB
Swift
79 lines
2.4 KiB
Swift
import XCTest
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import ImageIO
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@testable import Gifu
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private let imageData = testImageDataNamed("mugen.gif")
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private let staticImage = UIImage(data: imageData)!
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private let preloadFrameCount = 20
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class GifuTests: XCTestCase {
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var animator: Animator!
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var originalFrameCount: Int!
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override func setUp() {
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super.setUp()
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animator = Animator(data: imageData, size: CGSizeZero, contentMode: .ScaleToFill, framePreloadCount: preloadFrameCount)
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originalFrameCount = Int(CGImageSourceGetCount(animator.imageSource))
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}
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func testIsAnimatable() {
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XCTAssertTrue(animator.isAnimatable)
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}
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func testCurrentFrame() {
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XCTAssertEqual(animator.currentFrameIndex, 0)
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XCTAssertEqual(animator.currentFrameDuration, NSTimeInterval.infinity)
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XCTAssertNil(animator.currentFrameImage)
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}
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func testFramePreload() {
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let expectation = expectationWithDescription("frameDuration")
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animator.prepareFrames {
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let animatedFrameCount = self.animator.animatedFrames.count
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XCTAssertEqual(animatedFrameCount, self.originalFrameCount)
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XCTAssertNotNil(self.animator.frameAtIndex(preloadFrameCount - 1))
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XCTAssertNil(self.animator.frameAtIndex(preloadFrameCount + 1)?.images)
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XCTAssertEqual(self.animator.currentFrameIndex, 0)
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self.animator.shouldChangeFrame(1.0) { hasNewFrame in
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XCTAssertTrue(hasNewFrame)
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XCTAssertEqual(self.animator.currentFrameIndex, 1)
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expectation.fulfill()
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}
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}
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waitForExpectationsWithTimeout(1.0) { error in
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if let error = error {
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print("Error: \(error.localizedDescription)")
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}
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}
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}
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func testFrameInfo() {
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let expectation = expectationWithDescription("testFrameInfoIsAccurate")
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animator.prepareFrames {
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let frameDuration = self.animator.frameAtIndex(5)?.duration ?? 0
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XCTAssertTrue((frameDuration - 0.05) < 0.00001)
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let imageSize = self.animator.frameAtIndex(5)?.size ?? CGSizeZero
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XCTAssertEqual(imageSize, staticImage.size)
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expectation.fulfill()
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}
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waitForExpectationsWithTimeout(1.0) { error in
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if let error = error {
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print("Error: \(error.localizedDescription)")
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}
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}
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}
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}
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private func testImageDataNamed(name: String) -> NSData {
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let testBundle = NSBundle(forClass: GifuTests.self)
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let imagePath = testBundle.bundleURL.URLByAppendingPathComponent(name)
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return NSData(contentsOfURL: imagePath)!
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}
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