devextreme/esm/__internal/scheduler/view_model/common/split_interval_by_days.test.js

JavaScript/TypeScript Component Suite for Responsive Web Development

/**
 * DevExtreme (esm/__internal/scheduler/view_model/common/split_interval_by_days.test.js)
 * Version: 25.2.5
 * Build date: Fri Feb 20 2026
 *
 * Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import {
    describe,
    expect,
    it
} from "@jest/globals";
import {
    splitIntervalByDay
} from "./split_interval_by_days";
describe("splitIntervalByDay", (() => {
    it("should return one interval for one day", (() => {
        expect(splitIntervalByDay({
            startDayHour: 0,
            endDayHour: 24,
            min: Date.UTC(2e3, 0, 10),
            max: Date.UTC(2e3, 0, 11),
            skippedDays: []
        })).toEqual([{
            min: Date.UTC(2e3, 0, 10),
            max: Date.UTC(2e3, 0, 11)
        }])
    }));
    it("should return day by day intervals", (() => {
        expect(splitIntervalByDay({
            startDayHour: 0,
            endDayHour: 24,
            min: Date.UTC(2e3, 0, 10),
            max: Date.UTC(2e3, 0, 13),
            skippedDays: []
        })).toEqual([{
            min: Date.UTC(2e3, 0, 10),
            max: Date.UTC(2e3, 0, 11)
        }, {
            min: Date.UTC(2e3, 0, 11),
            max: Date.UTC(2e3, 0, 12)
        }, {
            min: Date.UTC(2e3, 0, 12),
            max: Date.UTC(2e3, 0, 13)
        }])
    }));
    it("should return day by day intervals for [3, 13]", (() => {
        expect(splitIntervalByDay({
            startDayHour: 3,
            endDayHour: 13,
            min: Date.UTC(2e3, 0, 10),
            max: Date.UTC(2e3, 0, 13),
            skippedDays: []
        })).toEqual([{
            min: Date.UTC(2e3, 0, 10, 3),
            max: Date.UTC(2e3, 0, 10, 13)
        }, {
            min: Date.UTC(2e3, 0, 11, 3),
            max: Date.UTC(2e3, 0, 11, 13)
        }, {
            min: Date.UTC(2e3, 0, 12, 3),
            max: Date.UTC(2e3, 0, 12, 13)
        }])
    }));
    it("should return day by day intervals for [0.1, 23.9]", (() => {
        expect(splitIntervalByDay({
            startDayHour: .1,
            endDayHour: 23.9,
            min: Date.UTC(2e3, 0, 10, 0, 6),
            max: Date.UTC(2e3, 0, 13, 23, 56),
            skippedDays: []
        })).toEqual([{
            min: Date.UTC(2e3, 0, 10, 0, 6),
            max: Date.UTC(2e3, 0, 10, 23, 54)
        }, {
            min: Date.UTC(2e3, 0, 11, 0, 6),
            max: Date.UTC(2e3, 0, 11, 23, 54)
        }, {
            min: Date.UTC(2e3, 0, 12, 0, 6),
            max: Date.UTC(2e3, 0, 12, 23, 54)
        }, {
            min: Date.UTC(2e3, 0, 13, 0, 6),
            max: Date.UTC(2e3, 0, 13, 23, 54)
        }])
    }));
    it("should return zero intervals for interacted hours", (() => {
        expect(splitIntervalByDay({
            startDayHour: 20,
            endDayHour: 10,
            min: Date.UTC(2e3, 0, 10, 10),
            max: Date.UTC(2e3, 0, 15, 5),
            skippedDays: []
        })).toEqual([])
    }));
    it("should return intervals without skipped days", (() => {
        expect(splitIntervalByDay({
            startDayHour: 0,
            endDayHour: 24,
            min: Date.UTC(2e3, 2, 1),
            max: Date.UTC(2e3, 2, 7),
            skippedDays: [0, 6]
        })).toEqual([{
            min: Date.UTC(2e3, 2, 1),
            max: Date.UTC(2e3, 2, 2)
        }, {
            min: Date.UTC(2e3, 2, 2),
            max: Date.UTC(2e3, 2, 3)
        }, {
            min: Date.UTC(2e3, 2, 3),
            max: Date.UTC(2e3, 2, 4)
        }, {
            min: Date.UTC(2e3, 2, 6),
            max: Date.UTC(2e3, 2, 7)
        }])
    }))
}));