4 <title>ExecCommand argument combinations
</title>
6 .pass { font-weight: bold; color: green; }
7 .fail { font-weight: bold; color: red; }
8 #console { border:
1px solid black; padding:
10px; margin-bottom:
20px; }
10 <script type=
"text/javascript">
13 var span
= document
.createElement("span");
14 span
.innerHTML
= msg
+ '<br>';
15 document
.getElementById("console").appendChild(span
);
18 function escapeHTML(text
)
20 return text
.replace(/&/g, "&").replace(/</g
, "<");
23 function testPassed(msg
)
25 debug('<span class="pass">PASS</span> ' + msg
+ '</span>');
28 function testFailed(msg
)
30 debug('<span class="fail">FAIL</span> ' + msg
+ '</span>');
33 function testEquals(a
, b
)
36 testPassed(escapeHTML(a
) + " <b>is</b> " + escapeHTML(b
));
38 testFailed("<b>expected output was</b> " + escapeHTML(a
) + " <b>should have been</b> " + escapeHTML(b
));
42 function test(codeToEval
, expectedOutput
)
44 var e
= document
.createElement('div');
45 e
.setAttribute('contentEditable', 'true');
46 document
.body
.appendChild(e
);
49 testEquals(e
.innerHTML
, expectedOutput
);
54 if (window
.testRunner
)
55 testRunner
.dumpAsText();
57 // Test with 1 argument.
58 test('document.execCommand("InsertHorizontalRule")', '<hr>');
60 // Test with 2 arguments.
61 test('document.execCommand("InsertHorizontalRule", false)', '<hr>');
63 // Test with 3 arguments.
64 test('document.execCommand("InsertHorizontalRule", false, "foo")', '<hr id="foo">');
66 // Test with 4 arguments. (should ignore the fourth argument silently)
67 test('document.execCommand("InsertHorizontalRule", false, "foo", "bar")', '<hr id="foo">');
69 // Test empty String 3rd parameter. (should not add an empty id value)
70 test('document.execCommand("InsertHorizontalRule", false, "")', '<hr>');
72 // Test null 3rd parameter. (should stringify to "null")
73 test('document.execCommand("InsertHorizontalRule", false, null)', '<hr id="null">');
75 // Test undefined 3rd parameter. (should treat as if only two arguments were passed)
76 test('document.execCommand("InsertHorizontalRule", false, undefined)', '<hr>');
78 // Test 0 for 3rd parameter. (nothing special, id value should equal the string 0)
79 test('document.execCommand("InsertHorizontalRule", false, 0)', '<hr id="0">');
81 // Test undefined 3rd parameter implicitly using helper function. (should treat as if only two arguments were passed, same as null)
82 test('function ExecCommand(command, commandParam) { document.execCommand(command, false, commandParam); } ExecCommand("InsertHorizontalRule");', '<hr>');
86 <body onload=
"runTests();">
87 <p>These are tests for testing the how execCommand() works with different combinations of arguments. The
"InsertHorizontalRule" command was
88 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>
91 <pre id='console'
></pre>