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Make ConstraintMakerRelatable targets work with UILayoutGuide (#372) 

* Make ConstraintMakerRelatable targets work with UILayoutGuide

* Fix unit tests on macOS

* Fix the OS API version availability directives
This commit is contained in:
Felix Lapalme 2016-12-25 06:37:38 -05:00 committed by Robert Payne
parent 32cd509939
commit 63bf462e81
3 changed files with 15 additions and 10 deletions
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3
Source/ConstraintMakerRelatable.swift
View File

@ -57,6 +57,9 @@ public class ConstraintMakerRelatable {
} else if let other = other as? ConstraintConstantTarget {
related = ConstraintItem(target: nil, attributes: ConstraintAttributes.none)
constant = other
} else if #available(iOS 9.0, OSX 10.11, *), let other = other as? ConstraintLayoutGuide {
related = ConstraintItem(target: other, attributes: ConstraintAttributes.none)
constant = 0.0
} else {
fatalError("Invalid constraint. (\(file), \(line))")
}

4
Source/ConstraintRelatableTarget.swift
View File

@ -60,3 +60,7 @@ extension ConstraintItem: ConstraintRelatableTarget {
extension ConstraintView: ConstraintRelatableTarget {
}
@available(iOS 9.0, OSX 10.11, *)
extension ConstraintLayoutGuide: ConstraintRelatableTarget {
}

10
Tests/Tests.swift
View File

@ -60,16 +60,16 @@ class SnapKitTests: XCTestCase {
}
#if os(iOS) || os(tvOS)
func testGuideMakeConstraints() {
guard #available(iOS 9.0, *) else { return }
guard #available(iOS 9.0, OSX 10.11, *) else { return }
let v1 = View()
let g1 = UILayoutGuide()
let g1 = ConstraintLayoutGuide()
self.container.addSubview(v1)
self.container.addLayoutGuide(g1)
v1.snp.makeConstraints { (make) -> Void in
make.top.equalTo(g1.snp.top).offset(50)
make.top.equalTo(g1).offset(50)
make.left.equalTo(g1.snp.top).offset(50)
return
}
@ -83,7 +83,6 @@ class SnapKitTests: XCTestCase {
XCTAssertEqual(self.container.snp_constraints.count, 6, "Should have 6 constraints installed")
}
#endif
func testMakeImpliedSuperviewConstraints() {
let v1 = View()
@ -130,7 +129,6 @@ class SnapKitTests: XCTestCase {
}
func testRemakeConstraints() {
let v1 = View()
let v2 = View()