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function assert_no_message_from_frame(test, frame) {
window.addEventListener("message", test.step_func(e => {
assert_not_equals(e.source, frame.contentWindow);
}));
}
function appendFrameAndGetElement(test, frame) {
return new Promise((resolve, reject) => {
frame.onload = test.step_func(_ => {
frame.onload = null;
resolve(frame.contentDocument.querySelector('#dangling'));
});
document.body.appendChild(frame);
});
}
function appendAndSubmit(test, frame) {
return new Promise((resolve, reject) => {
frame.onload = test.step_func(_ => {
frame.onload = null;
frame.contentDocument.querySelector('form').addEventListener("error", _ => {
resolve("error");
});
frame.contentDocument.querySelector('form').addEventListener("submit", _ => {
resolve("submit");
});
frame.contentDocument.querySelector('[type=submit]').click();
});
document.body.appendChild(frame);
});
}
function assert_no_submission(test, frame) {
assert_no_message_from_frame(test, frame);
appendAndSubmit(test, frame)
.then(test.step_func_done(result => {
assert_equals(result, "error");
frame.remove();
}));
}
function assert_img_loaded(test, frame) {
appendFrameAndGetElement(test, frame)
.then(test.step_func_done(img => {
assert_equals(img.naturalHeight, 103, "Height");
assert_equals(img.naturalWidth, 76, "Width");
}));
}
function assert_img_not_loaded(test, frame) {
appendFrameAndGetElement(test, frame)
.then(test.step_func_done(img => {
assert_equals(img.naturalHeight, 0, "Height");
assert_equals(img.naturalWidth, 0, "Width");
}));
}
function createFrame(markup) {
var i = document.createElement('iframe');
i.srcdoc = `${markup}sekrit`;
return i;
}