FormControlRange-basic.html

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /dom/ranges/tentative/FormControlRange-basic.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<body></body>

<script>

test(() => {

  const range = new FormControlRange();

  assert_true(range instanceof FormControlRange, "|range| should be an instance of FormControlRange.");

  assert_true(range instanceof AbstractRange, "|range| should also be an instance of AbstractRange.");

  assert_false(range instanceof Range, "|range| should not be an instance of Range.");

}, "Tests FormControlRange constructor and inheritance.");

test(() => {

  const range = new FormControlRange();

  // Default values when no form control is set.

  assert_equals(range.startContainer, null);

  assert_equals(range.endContainer, null);

  assert_equals(range.startOffset, 0);

  assert_equals(range.endOffset, 0);

  assert_true(range.collapsed);

  assert_equals(range.toString(), "");

}, "Tests FormControlRange default values when no form control is set.");

test(() => {

  document.body.innerHTML = '<input type="text" value="">';

  const input = document.body.firstElementChild;

  const range = new FormControlRange();

  range.setFormControlRange(input, 0, 0);

  assert_equals(range.toString(), "");

  assert_true(range.collapsed);

}, "FormControlRange handles empty value correctly.");

</script>