feat(transpiler): implement optional params

2014-10-02 12:04:41 -04:00
parent fb01551620
commit 1214f423b4
2 changed files with 48 additions and 0 deletions
--- a/tools/transpiler/spec/functions_spec.js
+++ b/tools/transpiler/spec/functions_spec.js
@ -36,5 +36,22 @@ export function main() {
        expect(f()).toBe(3);
      });
    });
+    
+    describe("optional params", function () {
+      it("should work", function () {
+        function optional(a=1,b=2){return a + b;}
+
+        expect(optional()).toEqual(3);
+        expect(optional(10)).toEqual(12);
+        expect(optional(10, 20)).toEqual(30);
+      });
+
+      it("should support a mix of optional and mandatory params", function () {
+        function optional(a,b=2){return a + b;}
+
+        expect(optional(1)).toEqual(3);
+        expect(optional(10)).toEqual(12);
+      });
+    });
  });
 }