it("should dispatch range change on shift then pop", function () {
var set = Set.from([1, 3]);
set.addRangeChangeListener(function (plus, minus, index) {
spy(plus, minus, index); // ignore all others
});
var spy = jasmine.createSpy();
expect(set.add(2)).toEqual(true);
expect(set.toArray()).toEqual([1, 3, 2]);
expect(spy).toHaveBeenCalledWith([2], [], 2);
var spy = jasmine.createSpy();
expect(set.shift()).toEqual(1);
expect(set.toArray()).toEqual([3, 2]);
expect(spy).toHaveBeenCalledWith([], [1], 0);
var spy = jasmine.createSpy();
expect(set.pop()).toEqual(2);
expect(set.toArray()).toEqual([3]);
expect(spy).toHaveBeenCalledWith([], [2], 1);
var spy = jasmine.createSpy();
expect(set.delete(3)).toEqual(true);
expect(set.toArray()).toEqual([]);
expect(spy).toHaveBeenCalledWith([], [3], 0);
});
it("should dispatch range change on clear", function () {
var set = Set.from([1, 2, 3]);
var spy = jasmine.createSpy();
set.addRangeChangeListener(spy);
set.clear();
expect(spy).toHaveBeenCalledWith([], [1, 2, 3], 0, set, undefined);
});
it("should dispatch range change on shift", function () {
var set = Set.from([1, 3, 2]);
var spy = jasmine.createSpy();
set.addRangeChangeListener(spy);
expect(set.shift()).toEqual(1);
expect(set.toArray()).toEqual([3, 2]);
expect(spy).toHaveBeenCalledWith([], [1], 0, set, undefined);
});
it("should dispatch range change on delete", function () {
var set = Set.from([1, 2, 3]);
var spy = jasmine.createSpy();
set.addRangeChangeListener(spy);
set["delete"](2);
expect(set.toArray()).toEqual([1, 3]);
expect(spy).toHaveBeenCalledWith([], [2], 1, set, undefined);
});
it("should pop and shift", function () {
var a = {i: 2};
var b = {i: 1};
var c = {i: 0};
var set = Set.from([a, b, c]);
expect(set.pop()).toBe(c);
expect(set.shift()).toBe(a);
});
it("should dispatch size property change on clear", function () {
// var set = new Set([1, 2, 3]);
var set = Set.from([1, 2, 3]);
var spy = jasmine.createSpy();
set.addBeforeOwnPropertyChangeListener("size", function (size) {
spy("size change from", size);
});
set.addOwnPropertyChangeListener("size", function (size) {
spy("size change to", size);
});
expect(set).toEqual(new Set([1, 2, 3]));
set.clear();
expect(set).toEqual(new Set());
var argsForCall = spy.calls.all().map(function (call) { return call.args });
expect(argsForCall).toEqual([
["size change from", 3],
["size change to", 0]
]);
});