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describe('core - page()', function() {
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
describe('Check the defaults', function() {
dt.html('basic');
it('Exists and is a function', function() {
expect(typeof $('#example').DataTable().page).toBe('function');
});
it('Getter returns an integer', function() {
let table = $('#example').DataTable();
expect(Number.isInteger(table.page())).toBe(true);
});
it('Setter returns an API instance', function() {
let table = $('#example').DataTable();
expect(table.page(1) instanceof $.fn.dataTable.Api).toBe(true);
});
});
describe('Check the getter behaviour', function() {
dt.html('basic');
it('Starts on page 0', function() {
let table = $('#example').DataTable();
expect(table.page()).toBe(0);
});
dt.html('basic');
it('Report last page', function() {
let table = $('#example').DataTable();
table.page('last').draw(false);
expect(table.page()).toBe(5);
});
dt.html('basic');
it('Report correctly if starting off first page', function() {
let table = $('#example').DataTable({
displayStart: 45
});
expect(table.page()).toBe(4);
});
});
describe('Check the setter behaviour', function() {
dt.html('basic');
it('Move page numerically', function() {
let table = $('#example').DataTable();
table.page(2).draw(false);
expect(table.page()).toBe(2);
});
it('Move page with next', function() {
let table = $('#example').DataTable();
table.page('next').draw(false);
expect(table.page()).toBe(3);
});
it('Move page with previous', function() {
let table = $('#example').DataTable();
table.page('previous').draw(false);
expect(table.page()).toBe(2);
});
it('Move page with first', function() {
let table = $('#example').DataTable();
table.page(2).draw(false);
expect(table.page()).toBe(2);
});
it('Move page with last', function() {
let table = $('#example').DataTable();
table.page(2).draw(false);
expect(table.page()).toBe(2);
});
it('Bad numeric page reverts to first page ', function() {
let table = $('#example').DataTable();
table.page(10).draw(false);
expect(table.page()).toBe(0);
});
});
});
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