output.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-output-element/output.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset=utf-8>

<title>The output element</title>

<link rel="author" title="Denis Ah-Kang" href="mailto:denis@w3.org">

<link rel=help href="https://html.spec.whatwg.org/multipage/#the-output-element">

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

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

<div id="log"></div>

<output id=output></output>

<output id="defaultValueOutput">abc</output>

<script>

  var output = document.getElementById("output");

  var defaultValueOutput = document.getElementById("defaultValueOutput");

  test(function(){

    assert_equals(output.type, "output", "type must return the string 'output'");

    assert_equals(output.textContent, "", "textContent is empty");

    assert_equals(output.value, "", "value should be empty");

    assert_equals(output.defaultValue, "", "defaultValue should be empty");

    output.textContent="5";

    assert_equals(output.value, "5", "textContent is set to 5: value is updated");

    assert_equals(output.textContent, "5", "textContent is set to 5");

    assert_equals(output.defaultValue, "5", "textContent is set to 5: defaultValue is updated");

    output.defaultValue="10"; // value mode flag is in "default" mode. Setting defaultValue should set textContent as well

    assert_equals(output.value, "10", "defaultValue is set to 10: value is updated");

    assert_equals(output.textContent, "10", "defaultValue is set to 10: textContent is updated");

    assert_equals(output.defaultValue, "10", "defaultValue is set to 10");

    output.value="20";  // set the value mode flag to "value": default value remains unchanged

    assert_equals(output.value, "20", "value is set to 20");

    assert_equals(output.textContent, "20", "value is set to 20: textContent is updated");

    assert_equals(output.defaultValue, "10", "value is set to 20: defaultValue remains unchanged");

    output.defaultValue="15"; // value mode flag is in "value" mode. textContent remains unchanged when setting defaultValue

    assert_equals(output.value, "20", "defaultValue is set to 15: value remains unchanged");

    assert_equals(output.textContent, "20", "defaultValue is set to 15: textContent remains unchanged");

    assert_equals(output.defaultValue, "15", "defaultValue is set to 15");

    assert_equals(defaultValueOutput.type, "output", "type must return the string 'output'");

    assert_equals(defaultValueOutput.textContent, "abc", "textContent should be 'abc'");

    assert_equals(defaultValueOutput.value, "abc", "value should be 'abc'");

    assert_equals(defaultValueOutput.defaultValue, "abc", "defaultValue should be 'abc'");

  }, "output value and defaultValue");

</script>