Add another overload and its test

Author: Brian Ojeda

index.d.ts

@@ -20,6 +20,9 @@ export function object<T>(constructor: { new (...args: any[]): T }): DoubledObje
 // When passed array of props
 export function object<Key extends string>(props: Key[]): DoubledObjectWithKey<Key>;
 
+// When passed class or constuctor function name as string value
+export function object<T>(object: string): DoubledObject<T>;
+
 // When passed general object
 export function object<T>(object: T): DoubledObject<T>;
 

test/src/typescript/test.ts

@@ -17,6 +17,10 @@ td.when(dog.bark()).thenReturn("bark!");
 const bird = td.object({ fly: function(){} });
 td.when(bird.fly()).thenReturn("fly!");
 
+class Bear { constructor() {}; sleep() {}; };
+const bear = td.object<Bear>("Bear");
+td.when(bear.sleep()).thenReturn("zzz");
+
 td.replace({}, "prop");
 td.replace({}, "prop", 42);
 td.replace("../../..");