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createContextualFragment.html
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<!doctype html>
<title>createContextualFragment() tests</title>
<div id=log></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
// We are not testing XML documents here, because apparently it's not clear
// what we want to happen there. We also aren't testing the HTML parser in any
// depth, just some basic sanity checks.
// Exception-throwing
test(function() {
var range = document.createRange();
range.detach();
range.createContextualFragment("");
}, "Must not throw INVALID_STATE_ERR for a detached node.");
test(function() {
var range = document.createRange();
assert_throws_js(TypeError, function() {
range.createContextualFragment();
});
}, "Must throw TypeError when calling without arguments");
test(function() {
// Simple test
var range = document.createRange();
range.selectNodeContents(document.body);
var fragment = "<p CLaSs=testclass> Hi! <p>Hi!";
var expected = document.createDocumentFragment();
var tmpNode = document.createElement("p");
tmpNode.setAttribute("class", "testclass");
tmpNode.appendChild(document.createTextNode(" Hi! "));
expected.appendChild(tmpNode);
tmpNode = document.createElement("p");
tmpNode.appendChild(document.createTextNode("Hi!"));
expected.appendChild(tmpNode);
var result = range.createContextualFragment(fragment);
assert_true(expected.isEqualNode(result),
"Unexpected result (collapsed Range)");
// Token test that the end node makes no difference
range.setEnd(document.body.getElementsByTagName("script")[0], 0);
result = range.createContextualFragment(fragment);
assert_true(expected.isEqualNode(result),
"Unexpected result (Range ends in <script>)");
}, "Simple test with paragraphs");
test(function() {
// This test based on https://bugzilla.mozilla.org/show_bug.cgi?id=585819,
// from a real-world compat bug
var range = document.createRange();
range.selectNodeContents(document.documentElement);
var fragment = "<span>Hello world</span>";
var expected = document.createDocumentFragment();
var tmpNode = document.createElement("span");
tmpNode.appendChild(document.createTextNode("Hello world"));
expected.appendChild(tmpNode);
var result = range.createContextualFragment(fragment);
assert_true(expected.isEqualNode(result),
"Unexpected result (collapsed Range)");
// Another token test that the end node makes no difference
range.setEnd(document.head, 0);
result = range.createContextualFragment(fragment);
assert_true(expected.isEqualNode(result),
"Unexpected result (Range ends in <head>)");
}, "Don't auto-create <body> when applied to <html>");
// Scripts should be run if inserted (that's what the "Unmark all scripts
// . . ." line means, I'm told)
var passed = false;
test(function() {
assert_false(passed, "Sanity check");
var range = document.createRange();
range.selectNodeContents(document.documentElement);
var fragment = range.createContextualFragment("<script>passed = true</s" + "cript>");
assert_false(passed, "Fragment created but not yet added to document, should not have run");
document.body.appendChild(fragment);
assert_true(passed, "Fragment created and added to document, should run");
}, "<script>s should be run when appended to the document (but not before)");
// Historical bugs in browsers; see https://github.com/whatwg/html/issues/2222
[
// Void
"area",
"base",
"basefont",
"bgsound",
"br",
"col",
"embed",
"frame",
"hr",
"img",
"input",
"keygen",
"link",
"meta",
"param",
"source",
"track",
"wbr",
// Historical
"menuitem",
"image"
].forEach(name => {
test(() => {
const range = document.createRange();
const contextNode = document.createElement(name);
const selectedNode = document.createElement("div");
contextNode.appendChild(selectedNode);
range.selectNode(selectedNode);
range.createContextualFragment("some text");
}, `createContextualFragment should work even when the context is <${name}>`);
});
// Now that we've established basic sanity, let's do equivalence tests. Those
// are easier to write anyway.
function testEquivalence(element1, fragment1, element2, fragment2) {
var range1 = element1.ownerDocument.createRange();
range1.selectNodeContents(element1);
var range2 = element2.ownerDocument.createRange();
range2.selectNodeContents(element2);
var result1 = range1.createContextualFragment(fragment1);
var result2 = range2.createContextualFragment(fragment2);
assert_true(result1.isEqualNode(result2), "Results are supposed to be equivalent");
// Throw in partial ownerDocument tests on the side, since the algorithm
// does specify that and we don't want to completely not test it.
if (result1.firstChild != null) {
assert_equals(result1.firstChild.ownerDocument, element1.ownerDocument,
"ownerDocument must be set to that of the reference node");
}
if (result2.firstChild != null) {
assert_equals(result2.firstChild.ownerDocument, element2.ownerDocument,
"ownerDocument must be set to that of the reference node");
}
}
var doc_fragment = document.createDocumentFragment();
var comment = document.createComment("~o~");
doc_fragment.appendChild(comment);
var tests = [
["<html> and <body> must work the same, 1", document.documentElement, "<span>Hello world</span>", document.body, "<span>Hello world</span>"],
["<html> and <body> must work the same, 2", document.documentElement, "<body><p>Hello world", document.body, "<body><p>Hello world"],
["Implicit <body> creation", document.documentElement, "<body><p>", document.documentElement, "<p>"],
["Namespace generally shouldn't matter",
document.createElementNS("http://fake-namespace", "div"), "<body><p><span>Foo",
document.createElement("div"), "<body><p><span>Foo"],
["<html> in a different namespace shouldn't be special",
document.createElementNS("http://fake-namespace", "html"), "<body><p>",
document.createElement("div"), "<body><p>"],
["SVG namespace shouldn't be special",
document.createElementNS("http://www.w3.org/2000/svg", "div"), "<body><p>",
document.createElement("div"), "<body><p>"],
["null should be stringified", document.createElement("span"), null, document.createElement("span"), "null"],
["undefined should be stringified", document.createElement("span"), undefined, document.createElement("span"), "undefined"],
["Text nodes shouldn't be special",
document.createTextNode("?"), "<body><p>",
document.createElement("div"), "<body><p>"],
["Non-Element parent should not be special",
comment, "<body><p>",
document.createElement("div"), "<body><p>"]
];
generate_tests(testEquivalence, tests);
</script>