feat(rsg): Add boundingrect function to node (#665)

Implemented boundingRect function for roSGNode with zero-defaulted
values

https://developer.roku.com/docs/references/brightscript/interfaces/ifsgnodeboundingrect.md

src/brsTypes/components/RoSGNode.ts

@@ -373,6 +373,7 @@ export class RoSGNode extends BrsComponent implements BrsValue, BrsIterable {
                 this.issubtype,
                 this.parentsubtype,
             ],
+            ifSGNodeBoundingRect: [this.boundingRect],
         });
     }
 
@@ -1503,6 +1504,22 @@ export class RoSGNode extends BrsComponent implements BrsValue, BrsIterable {
         },
     });
 
+    private boundingRect = new Callable("boundingRect", {
+        signature: {
+            args: [],
+            returns: ValueKind.Dynamic,
+        },
+        impl: (interpreter: Interpreter) => {
+            const zeroValue = new Int32(0);
+            return new RoAssociativeArray([
+                { name: new BrsString("x"), value: zeroValue },
+                { name: new BrsString("y"), value: zeroValue },
+                { name: new BrsString("height"), value: zeroValue },
+                { name: new BrsString("width"), value: zeroValue },
+            ]);
+        },
+    });
+
     /**
      * Starting with a leaf node, traverses upward through the parents until it reaches
      * a node without a parent (root node).

test/brsTypes/components/RoSGNode.test.js

@@ -2516,4 +2516,20 @@ describe("RoSGNode", () => {
             });
         });
     });
+
+    describe("ifSGNodeBoundingRect", () => {
+        let interpreter, node;
+
+        beforeEach(() => {
+            interpreter = new Interpreter();
+            node = new RoSGNode([{ name: new BrsString("id"), value: new BrsString("root") }]);
+        });
+
+        it("should return bounding rect", () => {
+            let boundingRectCall = node.getMethod("boundingRect");
+            expect(boundingRectCall).toBeTruthy();
+            let result = boundingRectCall.call(interpreter);
+            expect(result).toBeTruthy();
+        });
+    });
 });

test/e2e/RoSGNode.test.js

@@ -209,6 +209,10 @@ describe("components/roSGNode", () => {
             "invalid",
             "33",
             "37",
+            "0",
+            "0",
+            "0",
+            "0",
         ]);
     });
 });

test/e2e/resources/components/roSGNode/roSGNode.brs

@@ -213,6 +213,13 @@ sub init()
     ?node.FrameRate
     node.ClipStart = 37
     ?node.ClipStart
+
+    ' ifSGNodeBoundingRect
+    rect = node.boundingRect()
+    print rect.x          ' => 0
+    print rect.y          ' => 0
+    print rect.height  ' => 0
+    print rect.width  ' => 0
 end sub
 
 sub onCB1Called()