blob: 3812c0e62a084c2f73e8c2d9e2fb86e773530717 [file] [log] [blame]
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<html>
<head>
<title>ExecCommand argument combinations</title>
<style>
.pass { font-weight: bold; color: green; }
.fail { font-weight: bold; color: red; }
#console { border: 1px solid black; padding: 10px; margin-bottom: 20px; }
</style>
<script type="text/javascript">
function debug(msg)
{
var span = document.createElement("span");
span.innerHTML = msg + '<br>';
document.getElementById("console").appendChild(span);
}
function escapeHTML(text)
{
return text.replace(/&/g, "&amp;").replace(/</g, "&lt;");
}
function testPassed(msg)
{
debug('<span class="pass">PASS</span> ' + msg + '</span>');
}
function testFailed(msg)
{
debug('<span class="fail">FAIL</span> ' + msg + '</span>');
}
function testEquals(a, b)
{
if (a == b) {
testPassed(escapeHTML(a) + " <b>is</b> " + escapeHTML(b));
} else {
testFailed("<b>expected output was</b> " + escapeHTML(a) + " <b>should have been</b> " + escapeHTML(b));
}
}
function test(codeToEval, expectedOutput)
{
var e = document.createElement('div');
e.setAttribute('contentEditable', 'true');
document.body.appendChild(e);
e.focus();
eval(codeToEval);
testEquals(e.innerHTML, expectedOutput);
}
function runTests()
{
if (window.testRunner)
testRunner.dumpAsText();
// Test with 1 argument.
test('document.execCommand("InsertHorizontalRule")', '<hr>');
// Test with 2 arguments.
test('document.execCommand("InsertHorizontalRule", false)', '<hr>');
// Test with 3 arguments.
test('document.execCommand("InsertHorizontalRule", false, "foo")', '<hr id="foo">');
// Test with 4 arguments. (should ignore the fourth argument silently)
test('document.execCommand("InsertHorizontalRule", false, "foo", "bar")', '<hr id="foo">');
// Test empty String 3rd parameter. (should not add an empty id value)
test('document.execCommand("InsertHorizontalRule", false, "")', '<hr>');
// Test null 3rd parameter. (should treat as if only two arguments were passed, same as undefined)
test('document.execCommand("InsertHorizontalRule", false, null)', '<hr>');
// Test undefined 3rd parameter. (should treat as if only two arguments were passed, same as null)
test('document.execCommand("InsertHorizontalRule", false, undefined)', '<hr>');
// Test 0 for 3rd parameter. (nothing special, id value should equal the string 0)
test('document.execCommand("InsertHorizontalRule", false, 0)', '<hr id="0">');
// Test undefined 3rd parameter implicitly using helper function. (should treat as if only two arguments were passed, same as null)
test('function ExecCommand(command, commandParam) { document.execCommand(command, false, commandParam); } ExecCommand("InsertHorizontalRule");', '<hr>');
}
</script>
</head>
<body onload="runTests();">
<p>These are tests for testing the how execCommand() works with different combinations of arguments. The "InsertHorizontalRule" command was
chosen arbitrarily because it was what I was working on at the time, but the results should be paralleled in the other commands as well.</p>
<h4>CONSOLE</h4>
<pre id='console'></pre>
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