本文整理汇总了TypeScript中test/helper.assert.isNull方法的典型用法代码示例。如果您正苦于以下问题：TypeScript assert.isNull方法的具体用法？TypeScript assert.isNull怎么用？TypeScript assert.isNull使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类test/helper.assert的用法示例。
在下文中一共展示了assert.isNull方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: getDatePicker
window.setTimeout(function() {
assert.equal(document.activeElement, domElement, 'when the date picker is closed, the input get focus again');
datePickerButton.click();
document.body.click();
datePicker = getDatePicker();
assert.isNull(datePicker, 'hides the date picker when clicking outside');
datePickerButton.click();
simulateEscapeKey();
datePicker = getDatePicker();
assert.isNull(datePicker, 'hides the date picker when pressing Escape key');
done();
});示例2: it
it('works', function(done) {
assert.equal(datePickerButton.title, 'Deschide calendarul', 'has the appropriate tool-tip');
var datePicker = getDatePicker();
assert.isNull(datePicker, 'date picker is not there before clicking the button');
datePickerButton.click();
assert.isNotTrue(bodyClickListener.executed, 'clicks do not propagate to <body>, and don’t hide the picker');
datePicker = getDatePicker();
assert.isTrue(datePicker.classList.contains('xo'), 'has the “xo” theme');
var firstMonth = datePicker.querySelector('.pika-select-month option');
assert.equal(firstMonth.textContent, 'Ianuarie', 'month names are translated');
var firstWeekDay = datePicker.querySelector('.pika-table th abbr');
assert.equal(firstWeekDay.title, 'Luni', 'first day of the wiik is Monday');
assert.equal(firstWeekDay.textContent, 'Lu', 'short week day names are translated');
var prevMonthButton = datePicker.querySelector('button.pika-prev');
assert.equal(prevMonthButton.textContent, 'luna precedentă', 'the button to go to previous month is translated');
var nextMonthButton = datePicker.querySelector('button.pika-next');
assert.equal(nextMonthButton.textContent, 'luna următoare', 'the button to go to next month is translated');
assert.equal(getDatePickerSelectedDate(), domElement.value, 'when opened, date picker reflects input’s value');
var newDate = nextDay(domElement.value);
selectDateInDatePicker(newDate);
assert.equal(getDatePickerSelectedDate(), newDate, 'when selected, it updates input value accordingly');
assert.equal(dateFieldInput.getValue(), newDate, 'when selected, getValue() returns the new value');
datePicker = getDatePicker();
assert.isNull(datePicker, 'hides the date picker when a date is selected');
domElement.value = '';
datePickerButton.click();
datePicker = getDatePicker();
assert.isNotNull(datePicker, 'date picker is displayed with en empty field value');
var todayDate = DateFormatting.format(new Date(), DateFieldInput.DATE_FORMAT);
assert.equal(getDatePickerSelectedDate(), todayDate,
'when opening the date picker with an empty field, it has today marked');
datePickerButton.click();
datePicker = getDatePicker();
assert.isNull(datePicker, 'hides the date picker when clicked again');
/* this setTimeout call is required because focus() is called async too */
window.setTimeout(function() {
assert.equal(document.activeElement, domElement, 'when the date picker is closed, the input get focus again');
datePickerButton.click();
document.body.click();
datePicker = getDatePicker();
assert.isNull(datePicker, 'hides the date picker when clicking outside');
datePickerButton.click();
simulateEscapeKey();
datePicker = getDatePicker();
assert.isNull(datePicker, 'hides the date picker when pressing Escape key');
done();
});
function getDatePicker() {
return sandbox.querySelector(DateFieldInput.DATE_PICKER_SELECTOR);
}
function getDatePickerSelectedDate() {
var selectedDate = datePicker.querySelector('.is-selected .pika-day');
assert(selectedDate, 'getDatePickerSelectedDate() expects a selected date in the date picker');
var year = selectedDate.getAttribute('data-pika-year');
var month = selectedDate.getAttribute('data-pika-month');
var day = selectedDate.getAttribute('data-pika-day');
return DateFormatting.format(new Date(year, month, day), DateFieldInput.DATE_FORMAT);
}
function nextDay(initialFormattedDate) {
var initialDate = DateFormatting.parse(initialFormattedDate, DateFieldInput.DATE_FORMAT);
var nextDate = new Date(initialDate.getFullYear(), initialDate.getMonth(), initialDate.getDate() + 1);
return DateFormatting.format(nextDate, DateFieldInput.DATE_FORMAT);
}
function selectDateInDatePicker(newDate) {
var date = DateFormatting.parse(newDate, DateFieldInput.DATE_FORMAT);
var selectorForDate = '.pika-day' +
'[data-pika-year="' + date.getFullYear() + '"]' +
'[data-pika-month="' + date.getMonth() + '"]' +
'[data-pika-day="' + date.getDate() + '"]';
var correspondingDate = datePicker.querySelector(selectorForDate);
correspondingDate.dispatchEvent(new Event('mousedown'));
}
});