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| // | ||
| // SnapLayoutTests.swift | ||
| // SnapLayout | ||
| // | ||
| // Created by Satinder Singh on 4/2/17. | ||
| // Copyright © 2017 CocoaPods. All rights reserved. | ||
| // | ||
|
|
||
| import UIKit | ||
| import XCTest | ||
| import SnapLayout | ||
|
|
||
| class SnapLayoutTests: XCTestCase { | ||
|
|
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| /// Tests Snap Layout where no constraints were applied. | ||
| func testSnapInActiveError() { | ||
| let childView = UIView() | ||
| let superview = UIView() | ||
| superview.addSubview(childView) | ||
| let snapManager = childView.snap() | ||
| XCTAssertEqual(childView.translatesAutoresizingMaskIntoConstraints, false) | ||
| XCTAssertNil(snapManager.top) | ||
| XCTAssertNil(snapManager.leading) | ||
| XCTAssertNil(snapManager.bottom) | ||
| XCTAssertNil(snapManager.trailing) | ||
| XCTAssertNil(snapManager.width) | ||
| XCTAssertNil(snapManager.height) | ||
| XCTAssertNil(snapManager.centerX) | ||
| XCTAssertNil(snapManager.centerY) | ||
| } | ||
|
|
||
| /// Tests Snap Width method | ||
| func testSnapWidth() { | ||
| let view1 = UIView() | ||
| let view2 = UIView() | ||
| let containerView = UIView() | ||
| containerView.addSubview(view1) | ||
| containerView.addSubview(view2) | ||
| let snapManager = view1.snapWidth(to: view2, multiplier: 0.5) | ||
| XCTAssertEqual(view1.translatesAutoresizingMaskIntoConstraints, false) | ||
| XCTAssertEqual(view2.translatesAutoresizingMaskIntoConstraints, true) | ||
| XCTAssertNotNil(snapManager.width) | ||
| XCTAssertEqual(snapManager.width!.isActive, true) | ||
| XCTAssertEqual(snapManager.width!.constant, 0) | ||
| XCTAssertEqual(snapManager.width!.multiplier, 0.5) | ||
| } | ||
|
|
||
| /// Tests Snap Width where constraint was not applied | ||
| func testsSnapWidthError() { | ||
| let view1 = UIView() | ||
| let snapManager = view1.snapWidth(multiplier: 0.5) | ||
| XCTAssertEqual(view1.translatesAutoresizingMaskIntoConstraints, true) | ||
| XCTAssertNil(snapManager.width) | ||
| } | ||
|
|
||
| /// Tets Snap Height method | ||
| func testSnapHeight() { | ||
| let view1 = UIView() | ||
| let view2 = UIView() | ||
| let containerView = UIView() | ||
| containerView.addSubview(view1) | ||
| containerView.addSubview(view2) | ||
| let snapManager = view1.snapHeight(to: view2, multiplier: 0.5) | ||
| XCTAssertEqual(view1.translatesAutoresizingMaskIntoConstraints, false) | ||
| XCTAssertEqual(view2.translatesAutoresizingMaskIntoConstraints, true) | ||
| XCTAssertNotNil(snapManager.height) | ||
| XCTAssertEqual(snapManager.height!.isActive, true) | ||
| XCTAssertEqual(snapManager.height!.constant, 0) | ||
| XCTAssertEqual(snapManager.height!.multiplier, 0.5) | ||
| } | ||
|
|
||
| /// Tests Snap Height where constraint was not applied | ||
| func testsSnapHeightError() { | ||
| let view1 = UIView() | ||
| let snapManager = view1.snapHeight(multiplier: 0.5) | ||
| XCTAssertEqual(view1.translatesAutoresizingMaskIntoConstraints, true) | ||
| XCTAssertNil(snapManager.height) | ||
| } | ||
|
|
||
| /// Tests Snap Size method | ||
| func testSnapSize() { | ||
| let size = CGSize(width: 30, height: 40) | ||
| let view1 = UIView() | ||
| let snapManager = view1.snapSize(size: size) | ||
| XCTAssertEqual(view1.translatesAutoresizingMaskIntoConstraints, false) | ||
| XCTAssertNotNil(snapManager.width) | ||
| XCTAssertNotNil(snapManager.height) | ||
| XCTAssertEqual(snapManager.width!.isActive, true) | ||
| XCTAssertEqual(snapManager.height!.isActive, true) | ||
| XCTAssertEqual(snapManager.width!.constant, size.width) | ||
| XCTAssertEqual(snapManager.height!.constant, size.height) | ||
| XCTAssertEqual(snapManager.width!.multiplier, 1.0) | ||
| XCTAssertEqual(snapManager.height!.multiplier, 1.0) | ||
| } | ||
|
|
||
| /// Tests Snap Trailing View | ||
| func testSnapTrailingView() { | ||
| let trailingConstant = CGFloat(8) | ||
| let view1 = UIView() | ||
| let view2 = UIView() | ||
| let containerView = UIView() | ||
| containerView.addSubview(view1) | ||
| containerView.addSubview(view2) | ||
| let snapManager = view1.snap(trailingView: view2, constant: trailingConstant) | ||
| XCTAssertEqual(view1.translatesAutoresizingMaskIntoConstraints, false) | ||
| XCTAssertEqual(view2.translatesAutoresizingMaskIntoConstraints, true) | ||
| XCTAssertNotNil(snapManager.trailing) | ||
| XCTAssertEqual(snapManager.trailing!.isActive, true) | ||
| XCTAssertEqual(snapManager.trailing!.constant, trailingConstant) | ||
| XCTAssertEqual(snapManager.trailing!.multiplier, 1.0) | ||
| } | ||
|
|
||
| /// Tests Snap Leading View | ||
| func testSnapLeadingView() { | ||
| let leadingConstant = CGFloat(8) | ||
| let view1 = UIView() | ||
| let view2 = UIView() | ||
| let containerView = UIView() | ||
| containerView.addSubview(view1) | ||
| containerView.addSubview(view2) | ||
| let snapManager = view1.snap(leadingView: view2, constant: leadingConstant) | ||
| XCTAssertEqual(view1.translatesAutoresizingMaskIntoConstraints, false) | ||
| XCTAssertEqual(view2.translatesAutoresizingMaskIntoConstraints, true) | ||
| XCTAssertNotNil(snapManager.leading) | ||
| XCTAssertEqual(snapManager.leading!.isActive, true) | ||
| XCTAssertEqual(snapManager.leading!.constant, leadingConstant) | ||
| XCTAssertEqual(snapManager.leading!.multiplier, 1.0) | ||
| } | ||
|
|
||
| /// Tests Snap Bottom View | ||
| func testSnapBottomView() { | ||
| let bottomConstant = CGFloat(8) | ||
| let view1 = UIView() | ||
| let view2 = UIView() | ||
| let containerView = UIView() | ||
| containerView.addSubview(view1) | ||
| containerView.addSubview(view2) | ||
| let snapManager = view1.snap(bottomView: view2, constant: bottomConstant) | ||
| XCTAssertEqual(view1.translatesAutoresizingMaskIntoConstraints, false) | ||
| XCTAssertEqual(view2.translatesAutoresizingMaskIntoConstraints, true) | ||
| XCTAssertNotNil(snapManager.bottom) | ||
| XCTAssertEqual(snapManager.bottom!.isActive, true) | ||
| XCTAssertEqual(snapManager.bottom!.constant, bottomConstant) | ||
| XCTAssertEqual(snapManager.bottom!.multiplier, 1.0) | ||
| } | ||
|
|
||
| /// Tests Snap Trailing View | ||
| func testSnapTopView() { | ||
| let topConstant = CGFloat(8) | ||
| let view1 = UIView() | ||
| let view2 = UIView() | ||
| let containerView = UIView() | ||
| containerView.addSubview(view1) | ||
| containerView.addSubview(view2) | ||
| let snapManager = view1.snap(topView: view2, constant: topConstant) | ||
| XCTAssertEqual(view1.translatesAutoresizingMaskIntoConstraints, false) | ||
| XCTAssertEqual(view2.translatesAutoresizingMaskIntoConstraints, true) | ||
| XCTAssertNotNil(snapManager.top) | ||
| XCTAssertEqual(snapManager.top!.isActive, true) | ||
| XCTAssertEqual(snapManager.top!.constant, topConstant) | ||
| XCTAssertEqual(snapManager.top!.multiplier, 1.0) | ||
| } | ||
|
|
||
| } |
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