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// Example using pointers to member functions
var member_pointer = require("member_pointer");
function check(what, expected, actual) {
if (expected != actual) {
throw new Error(
"Failed: ", what, " Expected: ", expected, " Actual: ", actual);
}
}
// Get the pointers
area_pt = member_pointer.areapt();
perim_pt = member_pointer.perimeterpt();
// Create some objects
s = new member_pointer.Square(10);
// Do some calculations
check("Square area ", 100.0, member_pointer.do_op(s, area_pt));
check("Square perim", 40.0, member_pointer.do_op(s, perim_pt));
memberPtr = member_pointer.areavar;
memberPtr = member_pointer.perimetervar;
// Try the variables
check("Square area ", 100.0, member_pointer.do_op(s, member_pointer.areavar));
check("Square perim", 40.0, member_pointer.do_op(s, member_pointer.perimetervar));
// Modify one of the variables
member_pointer.areavar = perim_pt;
check("Square perimeter", 40.0, member_pointer.do_op(s, member_pointer.areavar));
// Try the constants
memberPtr = member_pointer.AREAPT;
memberPtr = member_pointer.PERIMPT;
memberPtr = member_pointer.NULLPT;
check("Square area ", 100.0, member_pointer.do_op(s, member_pointer.AREAPT));
check("Square perim", 40.0, member_pointer.do_op(s, member_pointer.PERIMPT));
// Typedefs
check("Square perim", 40.0, member_pointer.do_op_td(s, perim_pt));
check("Add by value", 3, member_pointer.call1(member_pointer.ADD_BY_VALUE, 1, 2));
check("Add by pointer", 7, member_pointer.call2(member_pointer.ADD_BY_POINTER, 3, 4));
check("Add by reference", 11, member_pointer.call3(member_pointer.ADD_BY_REFERENCE, 5, 6));
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