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<!DOCTYPE html>
<meta charset=utf-8>
<title>text field selection: setRangeText</title>
<link rel="author" title="Denis Ah-Kang" href="mailto:denis@w3.org">
<link rel=help href="https://html.spec.whatwg.org/multipage/#textFieldSelection">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#display_none {display:none;}
</style>
<div id="log"></div>
<input type=text id=text value="foobar">
<input type=search id=search value="foobar">
<input type=tel id=tel value="foobar">
<input type=url id=url value="foobar">
<input type=password id=password value="foobar">
<input id=display_none value="foobar">
<textarea id=textarea>foobar</textarea>
<script>
var input = document.createElement("input");
input.id = "input_not_in_doc";
input.value = "foobar";
var elements = [
document.getElementById("text"),
document.getElementById("search"),
document.getElementById("tel"),
document.getElementById("url"),
document.getElementById("password"),
document.getElementById("display_none"),
document.getElementById("textarea"),
input,
]
function untilEvent(element, eventName) {
return new Promise((resolve) => {
element.addEventListener(eventName, resolve, { once: true });
});
}
elements.forEach(function(element) {
test(function() {
element.value = "foobar";
element.selectionStart = 0;
element.selectionEnd = 3;
assert_equals(element.selectionStart, 0);
assert_equals(element.selectionEnd, 3);
element.setRangeText("foobar2");
assert_equals(element.value, "foobar2bar");
assert_equals(element.selectionStart, 0);
assert_equals(element.selectionEnd, 7);
element.setRangeText("foobar3", 7, 10);
assert_equals(element.value, "foobar2foobar3");
}, element.id + " setRangeText with only one argument replaces the value between selectionStart and selectionEnd, otherwise replaces the value between 2nd and 3rd arguments");
test(function(){
element.value = "foobar";
element.selectionStart = 0;
element.selectionEnd = 0;
element.setRangeText("foobar2", 0, 3); // no 4th arg, default "preserve"
assert_equals(element.value, "foobar2bar");
assert_equals(element.selectionStart, 0);
assert_equals(element.selectionEnd, 0);
}, element.id + " selectionMode missing");
test(function(){
element.value = "foobar"
element.setRangeText("foo", 3, 6, "select");
assert_equals(element.value, "foofoo");
assert_equals(element.selectionStart, 3);
assert_equals(element.selectionEnd, 6);
}, element.id + " selectionMode 'select'");
test(function(){
element.value = "foobar"
element.setRangeText("foo", 3, 6, "start");
assert_equals(element.value, "foofoo");
assert_equals(element.selectionStart, 3);
assert_equals(element.selectionEnd, 3);
}, element.id + " selectionMode 'start'");
test(function(){
element.value = "foobar"
element.setRangeText("foobar", 3, 6, "end");
assert_equals(element.value, "foofoobar");
assert_equals(element.selectionStart, 9);
assert_equals(element.selectionEnd, 9);
}, element.id + " selectionMode 'end'");
test(function(){
element.value = "foobar"
element.selectionStart = 0;
element.selectionEnd = 5;
assert_equals(element.selectionStart, 0);
element.setRangeText("", 3, 6, "preserve");
assert_equals(element.value, "foo");
assert_equals(element.selectionStart, 0);
assert_equals(element.selectionEnd, 3);
}, element.id + " selectionMode 'preserve'");
test(function(){
assert_throws_dom("INDEX_SIZE_ERR", function() {
element.setRangeText("barfoo", 2, 1);
});
}, element.id + " setRangeText with 3rd argument greater than 2nd argument throws an IndexSizeError exception");
test(function(){
assert_throws_js(TypeError, function() {
element.setRangeText();
});
}, element.id + " setRangeText without argument throws a type error");
promise_test(async (t) => {
// At this point there are already "select" events queued up on
// "element". Give them time to fire; otherwise we can get spurious
// passes.
//
// This is unfortunately racy in that we might _still_ get spurious
// passes. I'm not sure how best to handle that.
t.step_timeout(function() {
var q = false;
element.onselect = t.step_func_done(function(e) {
assert_true(q, "event should be queued");
assert_true(e.isTrusted, "event is trusted");
assert_true(e.bubbles, "event bubbles");
assert_false(e.cancelable, "event is not cancelable");
});
element.setRangeText("foobar2", 0, 6);
q = true;
}, 10);
}, element.id + " setRangeText fires a select event");
promise_test(async () => {
element.value = "XXXXXXXXXXXXXXXXXXX";
const { length } = element.value;
element.setSelectionRange(0, length);
await untilEvent(element, "select");
element.setRangeText("foo", 2, 2);
await untilEvent(element, "select");
assert_equals(element.selectionStart, 0, ".selectionStart");
assert_equals(element.selectionEnd, length + 3, ".selectionEnd");
}, element.id + " setRangeText fires a select event when fully selected");
promise_test(async () => {
element.value = "XXXXXXXXXXXXXXXXXXX";
element.select();
await untilEvent(element, "select");
element.setRangeText("foo", 2, 2);
await untilEvent(element, "select");
assert_equals(element.selectionStart, 0, ".selectionStart");
assert_equals(element.selectionEnd, element.value.length, ".selectionEnd");
}, element.id + " setRangeText fires a select event after select()");
})
</script>
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