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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/base/test/unit/test_normalize.js
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/base/test/unit/test_normalize.js')
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1 files changed, 100 insertions, 0 deletions
diff --git a/dom/base/test/unit/test_normalize.js b/dom/base/test/unit/test_normalize.js
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+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+function run_test() {
+ /*
+ * NOTE: [i] is not allowed in this test, since it's done via classinfo and
+ * we don't have that in xpcshell; the workaround is item(i). Suck.
+ */
+ init();
+
+ test_element();
+
+ // more tests would be nice here (such as for documents), but the primary
+ // uses of Node.normalize() are in test_element; stuff beyond this is either
+ // unimplemented or is unlikely to be used all that much within a browser
+ // DOM implementation
+}
+
+// TEST CODE
+
+var doc; // cache for use in all tests
+
+function init() {
+ doc = ParseFile("empty_document.xml");
+}
+
+function test_element() {
+ var x = doc.createElement("funk");
+
+ // one empty Text node
+ x.appendChild(doc.createTextNode(""));
+ Assert.equal(x.childNodes.length, 1);
+
+ x.normalize();
+ Assert.equal(x.childNodes.length, 0);
+
+ // multiple empty Text nodes
+ x.appendChild(doc.createTextNode(""));
+ x.appendChild(doc.createTextNode(""));
+ Assert.equal(x.childNodes.length, 2);
+
+ x.normalize();
+ Assert.equal(x.childNodes.length, 0);
+
+ // empty Text node followed by other Text node
+ x.appendChild(doc.createTextNode(""));
+ x.appendChild(doc.createTextNode("Guaraldi"));
+ Assert.equal(x.childNodes.length, 2);
+
+ x.normalize();
+ Assert.equal(x.childNodes.length, 1);
+ Assert.equal(x.childNodes.item(0).nodeValue, "Guaraldi");
+
+ // Text node followed by empty Text node
+ clearKids(x);
+ x.appendChild(doc.createTextNode("Guaraldi"));
+ x.appendChild(doc.createTextNode(""));
+ Assert.equal(x.childNodes.length, 2);
+
+ x.normalize();
+ Assert.equal(x.childNodes.item(0).nodeValue, "Guaraldi");
+
+ // Text node followed by empty Text node followed by other Node
+ clearKids(x);
+ x.appendChild(doc.createTextNode("Guaraldi"));
+ x.appendChild(doc.createTextNode(""));
+ x.appendChild(doc.createElement("jazzy"));
+ Assert.equal(x.childNodes.length, 3);
+
+ x.normalize();
+ Assert.equal(x.childNodes.length, 2);
+ Assert.equal(x.childNodes.item(0).nodeValue, "Guaraldi");
+ Assert.equal(x.childNodes.item(1).nodeName, "jazzy");
+
+ // Nodes are recursively normalized
+ clearKids(x);
+ var kid = doc.createElement("eit");
+ kid.appendChild(doc.createTextNode(""));
+
+ x.appendChild(doc.createTextNode("Guaraldi"));
+ x.appendChild(doc.createTextNode(""));
+ x.appendChild(kid);
+ Assert.equal(x.childNodes.length, 3);
+ Assert.equal(x.childNodes.item(2).childNodes.length, 1);
+
+ x.normalize();
+ Assert.equal(x.childNodes.length, 2);
+ Assert.equal(x.childNodes.item(0).nodeValue, "Guaraldi");
+ Assert.equal(x.childNodes.item(1).childNodes.length, 0);
+}
+
+// UTILITY FUNCTIONS
+
+function clearKids(node) {
+ while (node.hasChildNodes()) {
+ node.removeChild(node.childNodes.item(0));
+ }
+}