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Unified Diff: third_party/WebKit/LayoutTests/imported/wpt/selection/extend.html

Issue 2630243004: Manually import wpt/editing and wpt/selection/ (Closed)
Patch Set: Add expectation Created 3 years, 11 months ago
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Index: third_party/WebKit/LayoutTests/imported/wpt/selection/extend.html
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/selection/extend.html b/third_party/WebKit/LayoutTests/imported/wpt/selection/extend.html
new file mode 100644
index 0000000000000000000000000000000000000000..e00f8c401a9b589e8f53914ebc086f99f872df4c
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/imported/wpt/selection/extend.html
@@ -0,0 +1,149 @@
+<!doctype html>
+<title>Selection extend() tests</title>
+<meta charset=utf-8>
+<meta name=timeout content=long>
+<body>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=common.js></script>
+<div id=log></div>
+<script>
+"use strict";
+
+// Also test a selection with no ranges
+testRanges.unshift("[]");
+
+/**
+ * We test Selections that go both forwards and backwards here. In the latter
+ * case we need to use extend() to force it to go backwards, which is fair
+ * enough, since that's what we're testing. We test collapsed selections only
+ * once.
+ */
+for (var i = 0; i < testRanges.length; i++) {
+ var endpoints = eval(testRanges[i]);
+ for (var j = 0; j < testPoints.length; j++) {
+ if (endpoints[0] == endpoints[2]
+ && endpoints[1] == endpoints[3]) {
+ // Test collapsed selections only once
+ test(function() {
+ setSelectionForwards(endpoints);
+ testExtend(endpoints, eval(testPoints[j]));
+ }, "extend() with range " + i + " " + testRanges[i]
+ + " and point " + j + " " + testPoints[j]);
+ } else {
+ test(function() {
+ setSelectionForwards(endpoints);
+ testExtend(endpoints, eval(testPoints[j]));
+ }, "extend() forwards with range " + i + " " + testRanges[i]
+ + " and point " + j + " " + testPoints[j]);
+
+ test(function() {
+ setSelectionBackwards(endpoints);
+ testExtend(endpoints, eval(testPoints[j]));
+ }, "extend() backwards with range " + i + " " + testRanges[i]
+ + " and point " + j + " " + testPoints[j]);
+ }
+ }
+}
+
+function testExtend(endpoints, target) {
+ assert_equals(getSelection().rangeCount, endpoints.length/4,
+ "Sanity check: rangeCount must be correct");
+
+ var node = target[0];
+ var offset = target[1];
+
+ // "If the context object's range is null, throw an InvalidStateError
+ // exception and abort these steps."
+ if (getSelection().rangeCount == 0) {
+ assert_throws("INVALID_STATE_ERR", function() {
+ selection.extend(node, offset);
+ }, "extend() when rangeCount is 0 must throw InvalidStateError");
+ return;
+ }
+
+ assert_equals(getSelection().getRangeAt(0).startContainer, endpoints[0],
+ "Sanity check: startContainer must be correct");
+ assert_equals(getSelection().getRangeAt(0).startOffset, endpoints[1],
+ "Sanity check: startOffset must be correct");
+ assert_equals(getSelection().getRangeAt(0).endContainer, endpoints[2],
+ "Sanity check: endContainer must be correct");
+ assert_equals(getSelection().getRangeAt(0).endOffset, endpoints[3],
+ "Sanity check: endOffset must be correct");
+
+ // "Let anchor and focus be the context object's anchor and focus, and let
+ // new focus be the boundary point (node, offset)."
+ var anchorNode = getSelection().anchorNode;
+ var anchorOffset = getSelection().anchorOffset;
+ var focusNode = getSelection().focusNode;
+ var focusOffset = getSelection().focusOffset;
+
+ // "Let new range be a new range."
+ //
+ // We'll always be setting either new range's start or its end to new
+ // focus, so we'll always throw at some point. Test that now.
+ //
+ // From DOM4's "set the start or end of a range": "If node is a doctype,
+ // throw an "InvalidNodeTypeError" exception and terminate these steps."
+ if (node.nodeType == Node.DOCUMENT_TYPE_NODE) {
+ assert_throws("INVALID_NODE_TYPE_ERR", function() {
+ selection.extend(node, offset);
+ }, "extend() to a doctype must throw InvalidNodeTypeError");
+ return;
+ }
+
+ // From DOM4's "set the start or end of a range": "If offset is greater
+ // than node's length, throw an "IndexSizeError" exception and terminate
+ // these steps."
+ //
+ // FIXME: We should be casting offset to an unsigned int per WebIDL. Until
+ // we do, we need the offset < 0 check too.
+ if (offset < 0 || offset > getNodeLength(node)) {
+ assert_throws("INDEX_SIZE_ERR", function() {
+ selection.extend(node, offset);
+ }, "extend() to an offset that's greater than node length (" + getNodeLength(node) + ") must throw IndexSizeError");
+ return;
+ }
+
+ // Now back to the editing spec.
+ var originalRange = getSelection().getRangeAt(0);
+
+ // "If node's root is not the same as the context object's range's root,
+ // set new range's start and end to (node, offset)."
+ //
+ // "Otherwise, if anchor is before or equal to new focus, set new range's
+ // start to anchor, then set its end to new focus."
+ //
+ // "Otherwise, set new range's start to new focus, then set its end to
+ // anchor."
+ //
+ // "Set the context object's range to new range."
+ //
+ // "If new focus is before anchor, set the context object's direction to
+ // backwards. Otherwise, set it to forwards."
+ //
+ // The upshot of all these is summed up by just testing the anchor and
+ // offset.
+ getSelection().extend(node, offset);
+
+ if (furthestAncestor(anchorNode) == furthestAncestor(node)) {
+ assert_equals(getSelection().anchorNode, anchorNode,
+ "anchorNode must not change if the node passed to extend() has the same root as the original range");
+ assert_equals(getSelection().anchorOffset, anchorOffset,
+ "anchorOffset must not change if the node passed to extend() has the same root as the original range");
+ } else {
+ assert_equals(getSelection().anchorNode, node,
+ "anchorNode must be the node passed to extend() if it has a different root from the original range");
+ assert_equals(getSelection().anchorOffset, offset,
+ "anchorOffset must be the offset passed to extend() if the node has a different root from the original range");
+ }
+ assert_equals(getSelection().focusNode, node,
+ "focusNode must be the node passed to extend()");
+ assert_equals(getSelection().focusOffset, offset,
+ "focusOffset must be the offset passed to extend()");
+ assert_not_equals(getSelection().getRangeAt(0), originalRange,
+ "extend() must replace any existing range with a new one, not mutate the existing one");
+}
+
+testDiv.style.display = "none";
+</script>
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