mozilla-central/testing/web-platform/tests/html/semantics/forms/the-input-element/selection.html

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<!DOCTYPE HTML>
<title>Input element programmatic selection support</title>
<link rel="author" title="yaycmyk" href="mailto:evan@yaycmyk.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
/* all textual, non-hidden inputs support .select() */
test(function() {
var valid = [
"text",
"search",
"url",
"tel",
"email",
"password",
"date",
"time",
"datetime-local",
"number",
"color",
"file",
];
var invalid = [
"hidden",
"range",
"checkbox",
"radio",
"submit",
"image",
"reset",
"button"
];
valid.forEach(function(type) {
test(function() {
var input = document.createElement("input");
var a;
input.type = type;
assert_equals(input.type, type, "the given input type is not supported");
input.select();
}, "input type " + type + " should support the select() method");
});
invalid.forEach(function(type) {
test(function() {
var input = document.createElement("input");
input.type = type;
assert_equals(input.type, type, "the given input type is not supported");
var selectionStartBefore = input.selectionStart;
var selectionEndBefore = input.selectionEnd;
var selectionDirectionBefore = input.selectionDirection;
input.select();
assert_equals(input.selectionStart, selectionStartBefore, "selectionStart must not change");
assert_equals(input.selectionEnd, selectionEndBefore, "selectionEnd must not change");
assert_equals(input.selectionDirection, selectionDirectionBefore, "selectionDirection must not change");
}, "input type " + type + " should do nothing when the select() method is called (but, not throw)");
});
});
/* only certain input types are allowed to have a variable-length selection */
test(function() {
var valid = [
"text",
"search",
"url",
"tel",
"password"
];
var invalid = [
"hidden",
"email",
"date",
"time",
"datetime-local",
"number",
"range",
"color",
"checkbox",
"radio",
"file",
"submit",
"image",
"reset",
"button"
];
valid.forEach(function(type) {
test(function() {
var input = document.createElement("input");
var a;
input.type = type;
assert_equals(input.type, type, "the given input type is not supported");
a = input.selectionStart;
input.selectionStart = 0;
a = input.selectionEnd;
input.selectionEnd = 0;
a = input.selectionDirection;
input.selectionDirection = "none";
input.setSelectionRange(0, 0);
input.setRangeText('', 0, 0);
}, "input type " + type + " should support all selection attributes and methods");
});
invalid.forEach(function(type) {
test(function() {
var input = document.createElement("input");
input.type = type;
assert_equals(input.type, type, "the given input type is not supported");
assert_equals(input.selectionStart, null, 'getting input.selectionStart');
assert_throws_dom("INVALID_STATE_ERR", function() { input.selectionStart = 0; });
assert_equals(input.selectionEnd, null, 'getting input.selectionEnd');
assert_throws_dom("INVALID_STATE_ERR", function() { input.selectionEnd = 0; });
assert_equals(input.selectionDirection, null, 'getting input.selectionDirection');
assert_throws_dom("INVALID_STATE_ERR", function() { input.selectionDirection = "none"; });
assert_throws_dom("INVALID_STATE_ERR", function() { input.setSelectionRange(0, 0); });
assert_throws_dom("INVALID_STATE_ERR", function() { input.setRangeText('', 0, 0); });
}, "input type " + type + " should not support variable-length selections");
});
});
</script>