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Unified Diff: third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/traversal/NodeIterator.html

Issue 1529523002: Import dom/ from web-platform-tests (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: tweak W3CImportExpectations Created 5 years ago
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Index: third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/traversal/NodeIterator.html
diff --git a/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/traversal/NodeIterator.html b/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/traversal/NodeIterator.html
new file mode 100644
index 0000000000000000000000000000000000000000..544a63bf0f38be14acc5f320f5ae39b800166f8c
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/traversal/NodeIterator.html
@@ -0,0 +1,202 @@
+<!doctype html>
+<title>NodeIterator tests</title>
+<link rel="author" title="Aryeh Gregor" href=ayg@aryeh.name>
+<meta name=timeout content=long>
+<div id=log></div>
+<script src=../../../../resources/testharness.js></script>
+<script src=../../../../resources/testharnessreport.js></script>
+<script src=../common.js></script>
+<script>
+"use strict";
+
+function check_iter(iter, root, whatToShowValue) {
+ whatToShowValue = whatToShowValue === undefined ? 0xFFFFFFFF : whatToShowValue;
+
+ assert_equals(iter.toString(), '[object NodeIterator]', 'toString');
+ assert_equals(iter.root, root, 'root');
+ assert_equals(iter.whatToShow, whatToShowValue, 'whatToShow');
+ assert_equals(iter.filter, null, 'filter');
+ assert_equals(iter.referenceNode, root, 'referenceNode');
+ assert_equals(iter.pointerBeforeReferenceNode, true, 'pointerBeforeReferenceNode');
+ assert_readonly(iter, 'root');
+ assert_readonly(iter, 'whatToShow');
+ assert_readonly(iter, 'filter');
+ assert_readonly(iter, 'referenceNode');
+ assert_readonly(iter, 'pointerBeforeReferenceNode');
+}
+
+test(function() {
+ var iter = document.createNodeIterator(document);
+ iter.detach();
+ iter.detach();
+}, "detach() should be a no-op");
+
+test(function() {
+ var iter = document.createNodeIterator(document);
+ check_iter(iter, document);
+}, "createNodeIterator() parameter defaults");
+
+test(function() {
+ var iter = document.createNodeIterator(document, null, null);
+ check_iter(iter, document, 0);
+}, "createNodeIterator() with null as arguments");
+
+test(function() {
+ var iter = document.createNodeIterator(document, undefined, undefined);
+ check_iter(iter, document);
+}, "createNodeIterator() with undefined as arguments");
+
+test(function() {
+ var iter = document.createNodeIterator(document, NodeFilter.SHOW_ALL,
+ function() { throw {name: "failed"} });
+ assert_throws({name: "failed"}, function() { iter.nextNode() });
+}, "Propagate exception from filter function");
+
+function testIterator(root, whatToShow, filter) {
+ var iter = document.createNodeIterator(root, whatToShow, filter);
+
+ assert_equals(iter.root, root, ".root");
+ assert_equals(iter.referenceNode, root, "Initial .referenceNode");
+ assert_equals(iter.pointerBeforeReferenceNode, true,
+ ".pointerBeforeReferenceNode");
+ assert_equals(iter.whatToShow, whatToShow, ".whatToShow");
+ assert_equals(iter.filter, filter, ".filter");
+
+ var expectedReferenceNode = root;
+ var expectedBeforeNode = true;
+ // "Let node be the value of the referenceNode attribute."
+ var node = root;
+ // "Let before node be the value of the pointerBeforeReferenceNode
+ // attribute."
+ var beforeNode = true;
+ var i = 1;
+ // Each loop iteration runs nextNode() once.
+ while (node) {
+ do {
+ if (!beforeNode) {
+ // "If before node is false, let node be the first node following node
+ // in the iterator collection. If there is no such node return null."
+ node = nextNode(node);
+ if (!isInclusiveDescendant(node, root)) {
+ node = null;
+ break;
+ }
+ } else {
+ // "If before node is true, set it to false."
+ beforeNode = false;
+ }
+ // "Filter node and let result be the return value.
+ //
+ // "If result is FILTER_ACCEPT, go to the next step in the overall set of
+ // steps.
+ //
+ // "Otherwise, run these substeps again."
+ if (!((1 << (node.nodeType - 1)) & whatToShow)
+ || (filter && filter(node) != NodeFilter.FILTER_ACCEPT)) {
+ continue;
+ }
+
+ // "Set the referenceNode attribute to node, set the
+ // pointerBeforeReferenceNode attribute to before node, and return node."
+ expectedReferenceNode = node;
+ expectedBeforeNode = beforeNode;
+
+ break;
+ } while (true);
+
+ assert_equals(iter.nextNode(), node, ".nextNode() " + i + " time(s)");
+ assert_equals(iter.referenceNode, expectedReferenceNode,
+ ".referenceNode after nextNode() " + i + " time(s)");
+ assert_equals(iter.pointerBeforeReferenceNode, expectedBeforeNode,
+ ".pointerBeforeReferenceNode after nextNode() " + i + " time(s)");
+
+ i++;
+ }
+
+ // Same but for previousNode() (mostly copy-pasted, oh well)
+ var iter = document.createNodeIterator(root, whatToShow, filter);
+
+ var expectedReferenceNode = root;
+ var expectedBeforeNode = true;
+ // "Let node be the value of the referenceNode attribute."
+ var node = root;
+ // "Let before node be the value of the pointerBeforeReferenceNode
+ // attribute."
+ var beforeNode = true;
+ var i = 1;
+ // Each loop iteration runs previousNode() once.
+ while (node) {
+ do {
+ if (beforeNode) {
+ // "If before node is true, let node be the first node preceding node
+ // in the iterator collection. If there is no such node return null."
+ node = previousNode(node);
+ if (!isInclusiveDescendant(node, root)) {
+ node = null;
+ break;
+ }
+ } else {
+ // "If before node is false, set it to true."
+ beforeNode = true;
+ }
+ // "Filter node and let result be the return value.
+ //
+ // "If result is FILTER_ACCEPT, go to the next step in the overall set of
+ // steps.
+ //
+ // "Otherwise, run these substeps again."
+ if (!((1 << (node.nodeType - 1)) & whatToShow)
+ || (filter && filter(node) != NodeFilter.FILTER_ACCEPT)) {
+ continue;
+ }
+
+ // "Set the referenceNode attribute to node, set the
+ // pointerBeforeReferenceNode attribute to before node, and return node."
+ expectedReferenceNode = node;
+ expectedBeforeNode = beforeNode;
+
+ break;
+ } while (true);
+
+ assert_equals(iter.previousNode(), node, ".previousNode() " + i + " time(s)");
+ assert_equals(iter.referenceNode, expectedReferenceNode,
+ ".referenceNode after previousNode() " + i + " time(s)");
+ assert_equals(iter.pointerBeforeReferenceNode, expectedBeforeNode,
+ ".pointerBeforeReferenceNode after previousNode() " + i + " time(s)");
+
+ i++;
+ }
+}
+
+var whatToShows = [
+ "0",
+ "0xFFFFFFFF",
+ "NodeFilter.SHOW_ELEMENT",
+ "NodeFilter.SHOW_ATTRIBUTE",
+ "NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_DOCUMENT",
+];
+
+var callbacks = [
+ "null",
+ "(function(node) { return true })",
+ "(function(node) { return false })",
+ "(function(node) { return node.nodeName[0] == '#' })",
+];
+
+var tests = [];
+for (var i = 0; i < testNodes.length; i++) {
+ for (var j = 0; j < whatToShows.length; j++) {
+ for (var k = 0; k < callbacks.length; k++) {
+ tests.push([
+ "document.createNodeIterator(" + testNodes[i]
+ + ", " + whatToShows[j] + ", " + callbacks[k] + ")",
+ eval(testNodes[i]), eval(whatToShows[j]), eval(callbacks[k])
+ ]);
+ }
+ }
+}
+
+generate_tests(testIterator, tests);
+
+testDiv.style.display = "none";
+</script>
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