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<!DOCTYPE html>
<meta charset=utf-8>
<title>Node.textContent</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
// XXX mutation observers?
// XXX Range gravitation?
var documents, doctypes;
setup(function() {
documents = [
[document, "parser"],
[document.implementation.createDocument("", "test", null), "createDocument"],
[document.implementation.createHTMLDocument("title"), "createHTMLDocument"],
]
doctypes = [
[document.doctype, "parser"],
[document.implementation.createDocumentType("x", "", ""), "script"],
]
})
// Getting
// DocumentFragment, Element:
test(function() {
var element = document.createElement("div")
assert_equals(element.textContent, "")
}, "For an empty Element, textContent should be the empty string")
test(function() {
assert_equals(document.createDocumentFragment().textContent, "")
}, "For an empty DocumentFragment, textContent should be the empty string")
test(function() {
var el = document.createElement("div")
el.appendChild(document.createComment(" abc "))
el.appendChild(document.createTextNode("\tDEF\t"))
el.appendChild(document.createProcessingInstruction("x", " ghi "))
assert_equals(el.textContent, "\tDEF\t")
}, "Element with children")
test(function() {
var el = document.createElement("div")
var child = document.createElement("div")
el.appendChild(child)
child.appendChild(document.createComment(" abc "))
child.appendChild(document.createTextNode("\tDEF\t"))
child.appendChild(document.createProcessingInstruction("x", " ghi "))
assert_equals(el.textContent, "\tDEF\t")
}, "Element with descendants")
test(function() {
var df = document.createDocumentFragment()
df.appendChild(document.createComment(" abc "))
df.appendChild(document.createTextNode("\tDEF\t"))
df.appendChild(document.createProcessingInstruction("x", " ghi "))
assert_equals(df.textContent, "\tDEF\t")
}, "DocumentFragment with children")
test(function() {
var df = document.createDocumentFragment()
var child = document.createElement("div")
df.appendChild(child)
child.appendChild(document.createComment(" abc "))
child.appendChild(document.createTextNode("\tDEF\t"))
child.appendChild(document.createProcessingInstruction("x", " ghi "))
assert_equals(df.textContent, "\tDEF\t")
}, "DocumentFragment with descendants")
// Text, ProcessingInstruction, Comment:
test(function() {
assert_equals(document.createTextNode("").textContent, "")
}, "For an empty Text, textContent should be the empty string")
test(function() {
assert_equals(document.createProcessingInstruction("x", "").textContent, "")
}, "For an empty ProcessingInstruction, textContent should be the empty string")
test(function() {
assert_equals(document.createComment("").textContent, "")
}, "For an empty Comment, textContent should be the empty string")
test(function() {
assert_equals(document.createTextNode("abc").textContent, "abc")
}, "For a Text with data, textContent should be that data")
test(function() {
assert_equals(document.createProcessingInstruction("x", "abc").textContent,
"abc")
}, "For a ProcessingInstruction with data, textContent should be that data")
test(function() {
assert_equals(document.createComment("abc").textContent, "abc")
}, "For a Comment with data, textContent should be that data")
// Any other node:
documents.forEach(function(argument) {
var doc = argument[0], creator = argument[1]
test(function() {
assert_equals(doc.textContent, null)
}, "For Documents created by " + creator + ", textContent should be null")
})
doctypes.forEach(function(argument) {
var doctype = argument[0], creator = argument[1]
test(function() {
assert_equals(doctype.textContent, null)
}, "For DocumentType created by " + creator + ", textContent should be null")
})
// Setting
// DocumentFragment, Element:
var testArgs = [
[null, null],
[undefined, null],
["", null],
[42, "42"],
["abc", "abc"],
["<b>xyz<\/b>", "<b>xyz<\/b>"],
["d\0e", "d\0e"]
// XXX unpaired surrogate?
]
testArgs.forEach(function(aValue) {
var argument = aValue[0], expectation = aValue[1]
var check = function(aElementOrDocumentFragment) {
if (expectation === null) {
assert_equals(aElementOrDocumentFragment.textContent, "")
assert_equals(aElementOrDocumentFragment.firstChild, null)
} else {
assert_equals(aElementOrDocumentFragment.textContent, expectation)
assert_equals(aElementOrDocumentFragment.childNodes.length, 1,
"Should have one child")
var firstChild = aElementOrDocumentFragment.firstChild
assert_true(firstChild instanceof Text, "child should be a Text")
assert_equals(firstChild.data, expectation)
}
}
test(function() {
var el = document.createElement("div")
el.textContent = argument
check(el)
}, "Element without children set to " + format_value(argument))
test(function() {
var el = document.createElement("div")
var text = el.appendChild(document.createTextNode(""))
el.textContent = argument
check(el)
assert_equals(text.parentNode, null,
"Preexisting Text should have been removed")
}, "Element with empty text node as child set to " + format_value(argument))
test(function() {
var el = document.createElement("div")
el.appendChild(document.createComment(" abc "))
el.appendChild(document.createTextNode("\tDEF\t"))
el.appendChild(document.createProcessingInstruction("x", " ghi "))
el.textContent = argument
check(el)
}, "Element with children set to " + format_value(argument))
test(function() {
var el = document.createElement("div")
var child = document.createElement("div")
el.appendChild(child)
child.appendChild(document.createComment(" abc "))
child.appendChild(document.createTextNode("\tDEF\t"))
child.appendChild(document.createProcessingInstruction("x", " ghi "))
el.textContent = argument
check(el)
assert_equals(child.childNodes.length, 3,
"Should not have changed the internal structure of the removed nodes.")
}, "Element with descendants set to " + format_value(argument))
test(function() {
var df = document.createDocumentFragment()
df.textContent = argument
check(df)
}, "DocumentFragment without children set to " + format_value(argument))
test(function() {
var df = document.createDocumentFragment()
var text = df.appendChild(document.createTextNode(""))
df.textContent = argument
check(df)
assert_equals(text.parentNode, null,
"Preexisting Text should have been removed")
}, "DocumentFragment with empty text node as child set to " + format_value(argument))
test(function() {
var df = document.createDocumentFragment()
df.appendChild(document.createComment(" abc "))
df.appendChild(document.createTextNode("\tDEF\t"))
df.appendChild(document.createProcessingInstruction("x", " ghi "))
df.textContent = argument
check(df)
}, "DocumentFragment with children set to " + format_value(argument))
test(function() {
var df = document.createDocumentFragment()
var child = document.createElement("div")
df.appendChild(child)
child.appendChild(document.createComment(" abc "))
child.appendChild(document.createTextNode("\tDEF\t"))
child.appendChild(document.createProcessingInstruction("x", " ghi "))
df.textContent = argument
check(df)
assert_equals(child.childNodes.length, 3,
"Should not have changed the internal structure of the removed nodes.")
}, "DocumentFragment with descendants set to " + format_value(argument))
})
// Text, ProcessingInstruction, Comment:
test(function() {
var text = document.createTextNode("abc")
text.textContent = "def"
assert_equals(text.textContent, "def")
assert_equals(text.data, "def")
}, "For a Text, textContent should set the data")
test(function() {
var pi = document.createProcessingInstruction("x", "abc")
pi.textContent = "def"
assert_equals(pi.textContent, "def")
assert_equals(pi.data, "def")
assert_equals(pi.target, "x")
}, "For a ProcessingInstruction, textContent should set the data")
test(function() {
var comment = document.createComment("abc")
comment.textContent = "def"
assert_equals(comment.textContent, "def")
assert_equals(comment.data, "def")
}, "For a Comment, textContent should set the data")
// Any other node:
documents.forEach(function(argument) {
var doc = argument[0], creator = argument[1]
test(function() {
var root = doc.documentElement
doc.textContent = "a"
assert_equals(doc.textContent, null)
assert_equals(doc.documentElement, root)
}, "For Documents created by " + creator + ", setting textContent should do nothing")
})
doctypes.forEach(function(argument) {
var doctype = argument[0], creator = argument[1]
test(function() {
var props = {
name: doctype.name,
publicId: doctype.publicId,
systemId: doctype.systemId,
}
doctype.textContent = "b"
assert_equals(doctype.textContent, null)
assert_equals(doctype.name, props.name, "name should not change")
assert_equals(doctype.publicId, props.publicId, "publicId should not change")
assert_equals(doctype.systemId, props.systemId, "systemId should not change")
}, "For DocumentType created by " + creator + ", setting textContent should do nothing")
})
</script>
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