add @available to ConstraintLayoutGuide extension (#357)

* add @available to ConstraintLayoutGuide extension

* Modify #available
This commit is contained in:
Living 2016-10-11 18:11:00 +08:00 committed by Robert Payne
parent 17ed35c412
commit 6312572419
2 changed files with 24 additions and 18 deletions

View File

@ -31,6 +31,7 @@
public protocol LayoutConstraintItem: class {
}
@available(iOS 9.0, *)
extension ConstraintLayoutGuide : LayoutConstraintItem {
}

View File

@ -62,26 +62,31 @@ class SnapKitTests: XCTestCase {
func testGuideMakeConstraints() {
let v1 = View()
let g1 = UILayoutGuide()
self.container.addSubview(v1)
self.container.addLayoutGuide(g1)
v1.snp.makeConstraints { (make) -> Void in
make.top.equalTo(g1.snp.top).offset(50)
make.left.equalTo(g1.snp.top).offset(50)
return
if #available(iOS 9.0, *) {
let g1 = UILayoutGuide()
self.container.addSubview(v1)
self.container.addLayoutGuide(g1)
v1.snp.makeConstraints { (make) -> Void in
make.top.equalTo(g1.snp.top).offset(50)
make.left.equalTo(g1.snp.top).offset(50)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
g1.snp.makeConstraints { (make) -> Void in
make.edges.equalTo(v1)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 6, "Should have 6 constraints installed")
} else {
XCTAssertTrue(true)
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
g1.snp.makeConstraints { (make) -> Void in
make.edges.equalTo(v1)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 6, "Should have 6 constraints installed")
}
}
func testMakeImpliedSuperviewConstraints() {
let v1 = View()