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-rw-r--r--testing/web-platform/tests/selection/collapse.js103
1 files changed, 103 insertions, 0 deletions
diff --git a/testing/web-platform/tests/selection/collapse.js b/testing/web-platform/tests/selection/collapse.js
new file mode 100644
index 0000000000..4a816f4956
--- /dev/null
+++ b/testing/web-platform/tests/selection/collapse.js
@@ -0,0 +1,103 @@
+"use strict";
+
+function testCollapse(range, point, method) {
+ selection.removeAllRanges();
+ var addedRange;
+ if (range) {
+ addedRange = range.cloneRange();
+ selection.addRange(addedRange);
+ }
+
+ if (point[0].nodeType == Node.DOCUMENT_TYPE_NODE) {
+ assert_throws_dom("INVALID_NODE_TYPE_ERR", function() {
+ selection[method](point[0], point[1]);
+ }, "Must throw INVALID_NODE_TYPE_ERR when " + method + "()ing if the node is a DocumentType");
+ return;
+ }
+
+ if (point[1] < 0 || point[1] > getNodeLength(point[0])) {
+ assert_throws_dom("INDEX_SIZE_ERR", function() {
+ selection[method](point[0], point[1]);
+ }, "Must throw INDEX_SIZE_ERR when " + method + "()ing if the offset is negative or greater than the node's length");
+ return;
+ }
+
+ if (!document.contains(point[0])) {
+ assertSelectionNoChange(function() {
+ selection[method](point[0], point[1]);
+ });
+ return;
+ }
+
+ selection[method](point[0], point[1]);
+
+ assert_equals(selection.rangeCount, 1,
+ "selection.rangeCount must equal 1 after " + method + "()");
+ assert_equals(selection.focusNode, point[0],
+ "focusNode must equal the node we " + method + "()d to");
+ assert_equals(selection.focusOffset, point[1],
+ "focusOffset must equal the offset we " + method + "()d to");
+ assert_equals(selection.focusNode, selection.anchorNode,
+ "focusNode and anchorNode must be equal after " + method + "()");
+ assert_equals(selection.focusOffset, selection.anchorOffset,
+ "focusOffset and anchorOffset must be equal after " + method + "()");
+ if (range) {
+ assert_equals(addedRange.startContainer, range.startContainer,
+ method + "() must not change the startContainer of a preexisting Range");
+ assert_equals(addedRange.endContainer, range.endContainer,
+ method + "() must not change the endContainer of a preexisting Range");
+ assert_equals(addedRange.startOffset, range.startOffset,
+ method + "() must not change the startOffset of a preexisting Range");
+ assert_equals(addedRange.endOffset, range.endOffset,
+ method + "() must not change the endOffset of a preexisting Range");
+ }
+}
+
+// Also test a selection with no ranges
+testRanges.unshift("[]");
+
+// Don't want to eval() each point a bazillion times
+var testPointsCached = [];
+for (var i = 0; i < testPoints.length; i++) {
+ testPointsCached.push(eval(testPoints[i]));
+}
+
+// Run a subset of all of collapse tests.
+// Huge number of tests in a single file causes problems. Each of
+// collapse-NN.html runs a part of them.
+//
+// startIndex - Start index in testRanges array
+// optionalEndIndex - End index in testRanges array + 1. If this argument is
+// omitted, testRanges.length is applied.
+function testCollapseSubSet(startIndex, optionalEndIndex) {
+ var endIndex = optionalEndIndex === undefined ? testRanges.length : optionalEndIndex;
+ if (startIndex < 0 || startIndex >= testRanges.length)
+ throw "Sanity check: Specified index is invalid.";
+ if (endIndex < 0 || endIndex > testRanges.length)
+ throw "Sanity check: Specified index is invalid.";
+
+ var tests = [];
+ for (var i = startIndex; i < endIndex; i++) {
+ var endpoints = eval(testRanges[i]);
+ var range;
+ test(function() {
+ if (endpoints.length) {
+ range = ownerDocument(endpoints[0]).createRange();
+ range.setStart(endpoints[0], endpoints[1]);
+ range.setEnd(endpoints[2], endpoints[3]);
+ } else {
+ // Empty selection
+ range = null;
+ }
+ }, "Set up range " + i + " " + testRanges[i]);
+ for (var j = 0; j < testPoints.length; j++) {
+ tests.push(["collapse() on " + testRanges[i] + " to " + testPoints[j],
+ range, testPointsCached[j], "collapse"]);
+ tests.push(["setPosition() on " + testRanges[i] + " to " + testPoints[j],
+ range, testPointsCached[j], "setPosition"]);
+ }
+ }
+
+ generate_tests(testCollapse, tests);
+}
+