Add tests for getGap

Author: TaekH

Tests/FlexLayoutTests/WidthSizeContentTests.swift

@@ -164,7 +164,7 @@ final class WidthSizeContentTests: XCTestCase {
         XCTAssertEqual(aView.frame, CGRect(x: 0.0, y: 0.0, width: 400.0, height: 200.0))
     }
 
-    func test_gap_in_row_direction() {
+    func test_set_gap_in_row_direction() {
         rootFlexContainer.flex.direction(.row).define { flex in
             flex.addItem(aView).height(100).width(100)
             flex.addItem(bView).height(100).width(100)
@@ -177,7 +177,7 @@ final class WidthSizeContentTests: XCTestCase {
         XCTAssertEqual(bView.frame, CGRect(x: 150.0, y: 0.0, width: 100.0, height: 100.0))
     }
 
-    func test_gap_in_column_direction() {
+    func test_set_gap_in_column_direction() {
         rootFlexContainer.flex.direction(.column).define { flex in
             flex.addItem(aView).height(100).width(100)
             flex.addItem(bView).height(100).width(100)
@@ -190,7 +190,7 @@ final class WidthSizeContentTests: XCTestCase {
         XCTAssertEqual(bView.frame, CGRect(x: 0.0, y: 150.0, width: 100.0, height: 100.0))
     }
 
-    func test_gap_in_all_direction() {
+    func test_set_gap_in_all_direction() {
         rootFlexContainer.flex.direction(.column).define { flex in
             flex.addItem(aView).height(100).width(100)
             flex.addItem(bView).height(100).width(100)
@@ -207,4 +207,55 @@ final class WidthSizeContentTests: XCTestCase {
         XCTAssertEqual(bView.frame, CGRect(x: 0.0, y: 150.0, width: 100.0, height: 100.0))
         XCTAssertEqual(cView.frame, CGRect(x: 150.0, y: 0.0, width: 100.0, height: 100.0))
     }
+    
+    func test_get_gap_in_row_direction() {
+        rootFlexContainer.flex.direction(.row).define { flex in
+            flex.addItem(aView).height(100).width(100)
+            flex.addItem(bView).height(100).width(100)
+            flex.alignItems(.start)
+            
+            flex.setGap(.row, 20)
+        }
+
+        rootFlexContainer.flex.layout()
+        
+        let rowGap = rootFlexContainer.flex.getGap(.row)
+        
+        XCTAssertEqual(rowGap, 20)
+    }
+
+    func test_get_gap_in_column_direction() {
+        rootFlexContainer.flex.direction(.column).define { flex in
+            flex.addItem(aView).height(100).width(100)
+            flex.addItem(bView).height(100).width(100)
+            flex.alignItems(.start)
+            
+            flex.setGap(.column, 20)
+        }
+
+        rootFlexContainer.flex.layout()
+        
+        let columnGap = rootFlexContainer.flex.getGap(.column)
+        
+        XCTAssertEqual(columnGap, 20)
+    }
+    
+    func test_get_gap_in_all_direction() {
+        rootFlexContainer.flex.direction(.column).define { flex in
+            flex.addItem(aView).height(100).width(100)
+            flex.addItem(bView).height(100).width(100)
+            flex.addItem().direction(.row).define { flex in
+                flex.addItem(cView).height(100).width(100)
+            }
+            flex.alignItems(.start)
+            
+            flex.setGap(.all, 20)
+        }
+
+        rootFlexContainer.flex.layout()
+        
+        let allGap = rootFlexContainer.flex.getGap(.all)
+        
+        XCTAssertEqual(allGap, 20)
+    }
 }