module about_properties; import dunit; import helpers; class AboutProperties { mixin UnitTest; @Test public void nativeProperties() { auto x = 3; assertEquals(x.sizeof, FILL_IN_THIS_NUMBER); assertEquals(typeof(x).stringof, FILL_IN_THIS_STRING); } @Test public void userDefinedProperties() { struct Rectangle { int width; int height; @property auto area() { return width * height;} } Rectangle r; r.width = 4; r.height = 3; assertEquals(r.area, FILL_IN_THIS_NUMBER); } }