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Add tests for missing UIScrollViewDelegate wrapper. #1365

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This commit is contained in:
Zmicier Zaleznicenka 2017-08-07 12:10:10 +02:00 committed by Krunoslav Zaher
parent f9405a5e92
commit fbd4511faa
1 changed files with 65 additions and 1 deletions
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66
Tests/RxCocoaTests/UIScrollView+RxTests.swift
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@ -131,6 +131,70 @@ extension UIScrollViewTests {
XCTAssertTrue(completed)
}
func testScrollViewWillEndDragging() {
var completed = false
autoreleasepool {
let scrollView = UIScrollView()
let positiveVelocity = CGPoint(x: 1.5, y: 2.5)
var positiveOffset = CGPoint(x: 27.4, y: 853.0)
let negativeVelocity = CGPoint(x: 1.5, y: 2.5)
var zeroOffset = CGPoint.zero
var velocity: CGPoint? = nil
var offset: CGPoint? = nil
_ = scrollView.rx.willEndDragging.subscribe(onNext: {
velocity = $0
offset = $1.pointee
}, onCompleted: {
completed = true
})
XCTAssertNil(velocity)
XCTAssertNil(offset)
scrollView.delegate!.scrollViewWillEndDragging!(scrollView, withVelocity: positiveVelocity, targetContentOffset: &positiveOffset)
XCTAssertEqual(positiveVelocity, velocity)
XCTAssertEqual(positiveOffset, offset)
scrollView.delegate!.scrollViewWillEndDragging!(scrollView, withVelocity: negativeVelocity, targetContentOffset: &zeroOffset)
XCTAssertEqual(negativeVelocity, velocity)
XCTAssertEqual(zeroOffset, offset)
}
XCTAssertTrue(completed)
}
func testScrollViewWillEndDraggingWithModifyingOffset() {
var completed = false
autoreleasepool {
let scrollView = UIScrollView()
var initialOffset = CGPoint(x: 27.4, y: 853.0)
let changedOffset = CGPoint(x: 42.5, y: 97.4)
_ = scrollView.rx.willEndDragging.subscribe(onNext: {
$1.pointee = changedOffset
}, onCompleted: {
completed = true
})
XCTAssertNotEqual(changedOffset, initialOffset)
scrollView.delegate!.scrollViewWillEndDragging!(scrollView, withVelocity: CGPoint.zero, targetContentOffset: &initialOffset)
XCTAssertEqual(changedOffset, initialOffset)
}
XCTAssertTrue(completed)
}
func testScrollViewDidEndDragging() {
var completed = false
@ -154,7 +218,7 @@ extension UIScrollViewTests {
XCTAssertTrue(completed)
}
}
func testScrollViewContentOffset() {
var completed = false