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Add missing coverage (#303)
* Add missing coverage * Improve tests Co-authored-by: Christopher Fuller <[email protected]> * Fix typo * Fix typo --------- Co-authored-by: Christopher Fuller <[email protected]>
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‎Tests/LayoutTests/LayoutItemTests.swift

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@@ -714,6 +714,27 @@ final class LayoutItemTests: XCTestCase {
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// MARK: - Margins
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func testToMargins_throwsAssertion() {
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// GIVEN
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let superview: UIView = .init()
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let view: UIView = .init()
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let item: LayoutItem = view.toMargins()
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// THEN
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expect(item.superviewConstraints(view)).to(throwAssertion())
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// WHEN
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superview.addSubview(view)
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// THEN
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expect(item.superviewConstraints(view).count) == 4
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}
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func testToMarginsInsetsPriorityDirectional() {
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assertLayout(devices: Device.portraitTestDevices + Device.modernLandscapeTestDevices) { view in
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view.layout {
@@ -845,6 +866,27 @@ final class LayoutItemTests: XCTestCase {
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// MARK: - Safe Area
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func testToSafeArea_throwsAssertion() {
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// GIVEN
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let superview: UIView = .init()
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let view: UIView = .init()
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let item: LayoutItem = view.toSafeArea()
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// THEN
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expect(item.superviewConstraints(view)).to(throwAssertion())
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// WHEN
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superview.addSubview(view)
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// THEN
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expect(item.superviewConstraints(view).count) == 4
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}
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func testToSafeAreaInsetsPriorityDirectional() {
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assertLayout(devices: Device.allTestDevices) { view in
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view.layout {

‎Tests/LayoutTests/LayoutTests.swift

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@@ -663,6 +663,40 @@ final class LayoutTests: XCTestCase {
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}
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}
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func testEqualAttributesWithViews_givenEmptyArray() {
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// GIVEN
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let superview: UIView = .init()
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let view1: UIView = .init()
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let view2: UIView = .init()
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let layout: Layout = superview.layout().addItems(view1, view2)
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// WHEN
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layout.equal(.top, [])
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// THEN
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expect(layout.constraints).to(beEmpty())
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// WHEN
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layout.equal(.top, [view1])
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// THEN
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expect(layout.constraints).to(beEmpty())
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// WHEN
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layout.equal(.top, [view1, view2])
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// THEN
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expect(layout.constraints.count) == 1
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}
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func testEqualSizeWithViews() {
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// GIVEN
@@ -721,6 +755,32 @@ final class LayoutTests: XCTestCase {
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}
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}
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func testCenterViewBetweenLeadingAndTrailingPriority_givenNilSuperview() {
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// GIVEN
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var superview: UIView? = .init()
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let view: UIView = .init()
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let siblingView: UIView = .init()
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let layout: Layout = superview!.layout().addItems(view, siblingView)
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let leadingAnchor: NSLayoutXAxisAnchor = siblingView.trailing
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let trailingAnchor: NSLayoutXAxisAnchor = superview!.trailing
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// THEN
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expect(layout.center(view, between: leadingAnchor, and: trailingAnchor)) === layout
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expect(layout.constraints.count) == 3
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// WHEN
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superview = nil
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// THEN
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expect(layout.center(view, between: leadingAnchor, and: trailingAnchor)) === layout
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expect(layout.constraints.count) == 3
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}
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func testCenterViewBetweenTopAndBottomPriority() {
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// GIVEN
@@ -755,6 +815,32 @@ final class LayoutTests: XCTestCase {
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}
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}
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func testCenterViewBetweenTopAndBottomPriority_givenNilSuperview() {
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// GIVEN
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var superview: UIView? = .init()
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let view: UIView = .init()
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let siblingView: UIView = .init()
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let layout: Layout = superview!.layout().addItems(view, siblingView)
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let topAnchor: NSLayoutYAxisAnchor = siblingView.bottom
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let bottomAnchor: NSLayoutYAxisAnchor = superview!.bottom
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// THEN
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expect(layout.center(view, between: topAnchor, and: bottomAnchor)) === layout
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expect(layout.constraints.count) == 3
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// WHEN
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superview = nil
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// THEN
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expect(layout.center(view, between: topAnchor, and: bottomAnchor)) === layout
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expect(layout.constraints.count) == 3
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}
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// MARK: - Stack
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func testHorizontalViewsSpacingDirectionPriorityAlignment() {
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}
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}
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func testHorizontalViewsSpacingDirectionPriorityAlignment_givenEmptyArray() {
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// GIVEN
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let superview: UIView = .init()
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let view1: UIView = .init()
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let view2: UIView = .init()
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let layout: Layout = superview.layout().addItems(view1, view2)
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// WHEN
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layout.horizontal([])
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// THEN
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expect(layout.constraints).to(beEmpty())
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// WHEN
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layout.horizontal([view1])
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// THEN
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expect(layout.constraints).to(beEmpty())
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// WHEN
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layout.horizontal([view1, view2])
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// THEN
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expect(layout.constraints.count) == 1
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}
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func testVerticalViewsSpacingPriorityAlignment() {
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// GIVEN
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}
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}
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func testVerticalViewsSpacingPriorityAlignment_givenEmptyArray() {
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// GIVEN
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let superview: UIView = .init()
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let view1: UIView = .init()
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let view2: UIView = .init()
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let layout: Layout = superview.layout().addItems(view1, view2)
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// WHEN
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layout.vertical([])
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// THEN
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expect(layout.constraints).to(beEmpty())
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// WHEN
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layout.vertical([view1])
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// THEN
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expect(layout.constraints).to(beEmpty())
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// WHEN
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layout.vertical([view1, view2])
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// THEN
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expect(layout.constraints.count) == 1
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}
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// MARK: - Visual Format Language
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func testHorizontalWithFormatMetricsOptions_givenDefaults() {

‎Tests/LayoutTests/UIKit/NSDirectionalEdgeInsetsTests.swift

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@@ -13,6 +13,10 @@ import XCTest
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final class NSDirectionalEdgeInsetsTests: XCTestCase {
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func testEdgeType() {
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expect(NSDirectionalEdgeInsets().edgeType == DirectionalEdge.self) == true
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}
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func testInitWithInset() {
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// GIVEN

‎Tests/LayoutTests/UIKit/UIEdgeInsetsTests.swift

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@@ -14,6 +14,10 @@ import XCTest
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final class UIEdgeInsetsTests: XCTestCase {
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func testEdgeType() {
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expect(UIEdgeInsets().edgeType == CanonicalEdge.self) == true
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}
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func testInitWithInset() {
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// GIVEN

‎Tests/LayoutTests/UIKit/UIView+AutoLayoutTests.swift

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@@ -458,6 +458,26 @@ final class UIViewAutoLayoutTests: XCTestCase {
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expect(constraints2.first?.constant) == 5
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}
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func testConstraintForAttributeIsRelationToSuperviewMultiplierConstant_givenNilSuperview() {
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// GIVEN
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let superview: UIView = .init()
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let view: UIView = .init()
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// THEN
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expect(view.constraints(toSuperview: [.top])).to(throwAssertion())
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// WHEN
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superview.addSubview(view)
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// THEN
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expect(view.constraints(toSuperview: [.top]).count) == 1
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}
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func testConstraintForAttributeIsRelationToTargetAttributeOfTargetViewMultiplierConstant() {
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// GIVEN

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