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<!DOCTYPE html>
<meta charset=utf-8>
<title>text field selection</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>
<div id="log"></div>
<script>
var nonApplicableTypes = ["hidden", "email", "datetime-local", "date", "month", "week", "time", "number", "range", "color", "checkbox", "radio", "file", "submit", "image", "reset", "button"];
var applicableTypes = ["text", "search", "tel", "url", "password", "aninvalidtype", null];
nonApplicableTypes.forEach(function(type){
var el = document.createElement("input");
el.type = type;
if (el.type != type) {
// Type is not supported - don't bother with the following checks.
return;
}
test(() => {
assert_equals(el.selectionStart, null);
}, `selectionStart on an input[type=${type}] returns null`);
test(() => {
assert_equals(el.selectionEnd, null);
}, `selectionEnd on an input[type=${type}] returns null`);
test(() => {
assert_equals(el.selectionDirection, null);
}, `selectionDirection on an input[type=${type}] returns null`);
test(() => {
assert_throws_dom("InvalidStateError", function(){
el.selectionStart = 0;
});
}, `assigning selectionStart on an input[type=${type}] throws InvalidStateError`);
test(() => {
assert_throws_dom("InvalidStateError", function(){
el.selectionEnd = 0;
});
}, `assigning selectionEnd on an input[type=${type}] throws InvalidStateError`);
test(() => {
assert_throws_dom("InvalidStateError", function(){
el.selectionDirection = 'none';
});
}, `assigning selectionDirection on an input[type=${type}] throws InvalidStateError`);
test(() => {
assert_throws_dom("InvalidStateError", function(){
el.setRangeText("foobar");
});
}, `setRangeText on an input[type=${type}] throws InvalidStateError`);
test(() => {
assert_throws_dom("InvalidStateError", function(){
el.setSelectionRange(0, 1);
});
}, `setSelectionRange on an input[type=${type}] throws InvalidStateError`);
});
applicableTypes.forEach(function(type) {
const el = document.createElement("input");
if (type) {
el.type = type;
}
const initialDirection = el.selectionDirection;
test(() => {
assert_equals(el.selectionStart, 0);
}, `selectionStart on an input[type=${type}] returns a value`);
test(() => {
assert_equals(el.selectionEnd, 0);
}, `selectionEnd on an input[type=${type}] returns a value`);
test(() => {
assert_in_array(el.selectionDirection, ["forward", "none"]);
}, `selectionDirection on an input[type=${type}] returns a value`);
test(() => {
el.selectionDirection = "none";
assert_equals(el.selectionDirection, initialDirection);
}, `assigning selectionDirection "none" on an input[type=${type}] should give the initial direction`);
test(() => {
el.selectionStart = 1;
}, `assigning selectionStart on an input[type=${type}] doesn't throw an exception`);
test(() => {
el.selectionEnd = 1;
}, `assigning selectionEnd on an input[type=${type}] doesn't throw an exception`);
test(() => {
el.selectionDirection = "forward";
}, `assigning selectionDirection on an input[type=${type}] doesn't throw an exception`);
test(() => {
el.setRangeText("foobar");
}, `setRangeText on an input[type=${type}] doesn't throw an exception`);
test(() => {
el.setSelectionRange(0, 1);
}, `setSelectionRange on an input[type=${type}] doesn't throw an exception`);
});
</script>
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