Added tests for the offset operator

robb · Apr 27, 2023 · 350b673 · 350b673
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diff --git a/Cartography.xcodeproj/project.pbxproj b/Cartography.xcodeproj/project.pbxproj
@@ -150,6 +150,7 @@
 		9AE90A0829FAF36E00944F10 /* AnchorSupport.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9AE90A0729FAF36E00944F10 /* AnchorSupport.swift */; };
 		9AE90A0929FAF36E00944F10 /* AnchorSupport.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9AE90A0729FAF36E00944F10 /* AnchorSupport.swift */; };
 		9AE90A0A29FAF36E00944F10 /* AnchorSupport.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9AE90A0729FAF36E00944F10 /* AnchorSupport.swift */; };
+		9AE90A0C29FB03DC00944F10 /* OffsetDimensionSpec.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9AE90A0B29FB03DC00944F10 /* OffsetDimensionSpec.swift */; };
 		A75B6143FF12C54FF3223B47 /* Pods_TestPods_Cartography_tvOS_tests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0827A83361EACF1E6062607E /* Pods_TestPods_Cartography_tvOS_tests.framework */; };
 		D63BD7B82089B6FA00061239 /* LayoutItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE85314F1F9363DC003EC021 /* LayoutItem.swift */; };
 		EE8531501F936462003EC021 /* LayoutItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE85314F1F9363DC003EC021 /* LayoutItem.swift */; };
@@ -280,6 +281,7 @@
 		97F50E531F9633AA00C6DCF5 /* ViewLayoutGuideSpec.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ViewLayoutGuideSpec.swift; sourceTree = "<group>"; };
 		9AE90A0329FAF2D700944F10 /* Edge+OffsetOperator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Edge+OffsetOperator.swift"; sourceTree = "<group>"; };
 		9AE90A0729FAF36E00944F10 /* AnchorSupport.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AnchorSupport.swift; sourceTree = "<group>"; };
+		9AE90A0B29FB03DC00944F10 /* OffsetDimensionSpec.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OffsetDimensionSpec.swift; sourceTree = "<group>"; };
 		EE85314F1F9363DC003EC021 /* LayoutItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LayoutItem.swift; sourceTree = "<group>"; };
 		EEDD4098FF7503B1F9188F10 /* Pods_Cartography_iOS_Tests.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Cartography_iOS_Tests.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 /* End PBXFileReference section */
@@ -476,6 +478,7 @@
 				979F29C91F94DC6B00257363 /* LayoutGuideSpec.swift */,
 				97D17C9D1F8E774700C57CE1 /* PrioritySpec.swift */,
 				54C96A23195063CD000CDD27 /* DimensionSpec.swift */,
+				9AE90A0B29FB03DC00944F10 /* OffsetDimensionSpec.swift */,
 				97D17C9E1F8E774700C57CE1 /* TestView.swift */,
 				97D17C9F1F8E774700C57CE1 /* Matchers.swift */,
 				97D17CA01F8E774700C57CE1 /* DistributeSpec.swift */,
@@ -906,6 +909,7 @@
 				97F50E541F9633AA00C6DCF5 /* ViewLayoutGuideSpec.swift in Sources */,
 				1B319C622162740100DD91D4 /* ViewProxyTests.swift in Sources */,
 				9795590B1F9701CD0096BBEA /* ConstraintGroupSpec.swift in Sources */,
+				9AE90A0C29FB03DC00944F10 /* OffsetDimensionSpec.swift in Sources */,
 				979559081F9701C90096BBEA /* MemoryLeakSpec.swift in Sources */,
 				979558FC1F97019E0096BBEA /* Matchers.swift in Sources */,
 				979559021F9701B10096BBEA /* PointSpec.swift in Sources */,

diff --git a/CartographyTests/OffsetDimensionSpec.swift b/CartographyTests/OffsetDimensionSpec.swift
@@ -0,0 +1,212 @@
+import Cartography
+
+import Nimble
+import Quick
+
+class OffsetDimensionSpec: QuickSpec {
+    override func spec() {
+        var window: TestWindow!
+        var view: TestView!
+
+        beforeEach {
+            window = TestWindow(frame: CGRect(x: 0, y: 0, width: 600, height: 600))
+
+            view = TestView(frame: CGRect.zero)
+
+            constrain(view) { view in
+                view.height == 200
+                view.width == 200
+            }
+
+            window.addSubview(view)
+        }
+
+        describe("X-Axis Offset") {
+            it("should support relative equalities to other offsets") {
+                constrain(view) { view in
+                    view.superview!.left |-| view.left == view.right |-| view.superview!.right
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minX).to(equal(200))
+            }
+
+            it("should support relative equalities to real dimensions") {
+                constrain(view) { view in
+                    view.superview!.left |-| view.left == view.width
+                    view.width == view.right |-| view.superview!.right
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minX).to(equal(200))
+            }
+
+            it("should support relative inequalities") {
+                constrain(view) { view in
+                    view.superview!.left |-| view.left >= view.width
+                    view.superview!.left |-| view.left <= view.width
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minX).to(equal(200))
+            }
+
+            it("should support addition") {
+                constrain(view) { view in
+                    view.superview!.left |-| view.left == view.width + 100
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minX).to(equal(300))
+            }
+
+            it("should support subtraction") {
+                constrain(view) { view in
+                    view.superview!.left |-| view.left == view.width - 100
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minX).to(equal(100))
+            }
+
+            it("should support multiplication") {
+                constrain(view) { view in
+                    view.superview!.left |-| view.left == view.width * 2
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minX).to(equal(400))
+            }
+
+            it("should support division") {
+                constrain(view) { view in
+                    view.superview!.left |-| view.left == view.width / 2
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minX).to(equal(100))
+            }
+
+            it("should support complex expressions") {
+                constrain(view) { view in
+                    view.superview!.left |-| view.left == view.width / 2 + 100
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minX).to(equal(200))
+            }
+
+            it("should support numerical equalities") {
+                constrain(view) { view in
+                    view.superview!.left |-| view.left == 200
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minX).to(equal(200))
+            }
+        }
+
+        describe("Y-Axis Offset") {
+            it("should support relative equalities to other offsets") {
+                constrain(view) { view in
+                    view.superview!.top |-| view.top == view.bottom |-| view.superview!.bottom
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minY).to(equal(200))
+            }
+
+            it("should support relative equalities to real dimensions") {
+                constrain(view) { view in
+                    view.superview!.top |-| view.top == view.height
+                    view.height == view.bottom |-| view.superview!.bottom
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minY).to(equal(200))
+            }
+
+            it("should support relative inequalities") {
+                constrain(view) { view in
+                    view.superview!.top |-| view.top >= view.width
+                    view.superview!.top |-| view.top <= view.width
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minY).to(equal(200))
+            }
+
+            it("should support addition") {
+                constrain(view) { view in
+                    view.superview!.top |-| view.top == view.height + 100
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minY).to(equal(300))
+            }
+
+            it("should support subtraction") {
+                constrain(view) { view in
+                    view.superview!.top |-| view.top == view.height - 100
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minY).to(equal(100))
+            }
+
+            it("should support multiplication") {
+                constrain(view) { view in
+                    view.superview!.top |-| view.top == view.height * 2
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minY).to(equal(400))
+            }
+
+            it("should support division") {
+                constrain(view) { view in
+                    view.superview!.top |-| view.top == view.height / 2
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minY).to(equal(100))
+            }
+
+            it("should support complex expressions") {
+                constrain(view) { view in
+                    view.superview!.top |-| view.top == view.height / 2 + 100
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minY).to(equal(200))
+            }
+
+            it("should support numerical equalities") {
+                constrain(view) { view in
+                    view.superview!.top |-| view.top == 200
+                }
+
+                window.layoutIfNeeded()
+
+                expect(view.frame.minY).to(equal(200))
+            }
+        }
+    }
+}