1 files changed, 167 insertions, 0 deletions
diff --git a/layout/base/tests/selection-utils.js b/layout/base/tests/selection-utils.js
new file mode 100644
index 0000000000..67db5139ca
--- /dev/null
+++ b/layout/base/tests/selection-utils.js
@@ -0,0 +1,167 @@
+// -*- Mode: Javascript; tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*-
+// vim: set ts=2 sw=2 et tw=78:
+function clearSelection(w) {
+  var sel = (w ? w : window).getSelection();
+  sel.removeAllRanges();
+}
+
+function getNode(e, index) {
+  if (!(typeof index === "number")) {
+    return index;
+  }
+  if (index >= 0) {
+    return e.childNodes[index];
+  }
+  while (++index != 0) {
+    e = e.parentNode;
+  }
+  return e;
+}
+
+function dragSelectPointsWithData() {
+  var event = arguments[0];
+  var e = arguments[1];
+  var x1 = arguments[2];
+  var y1 = arguments[3];
+  var x2 = arguments[4];
+  var y2 = arguments[5];
+  dir = x2 > x1 ? 1 : -1;
+  event.type = "mousedown";
+  synthesizeMouse(e, x1, y1, event);
+  event.type = "mousemove";
+  synthesizeMouse(e, x1 + dir, y1, event);
+  for (var i = 6; i < arguments.length; ++i) {
+    synthesizeMouse(e, arguments[i], y1, event);
+  }
+  synthesizeMouse(e, x2 - dir, y2, event);
+  event.type = "mouseup";
+  synthesizeMouse(e, x2, y2, event);
+}
+
+function dragSelectPoints() {
+  var args = Array.prototype.slice.call(arguments);
+  dragSelectPointsWithData.apply(this, [{}].concat(args));
+}
+
+function dragSelect() {
+  var args = Array.prototype.slice.call(arguments);
+  var e = args.shift();
+  var x1 = args.shift();
+  var x2 = args.shift();
+  dragSelectPointsWithData.apply(this, [{}, e, x1, 5, x2, 5].concat(args));
+}
+
+function accelDragSelect() {
+  var args = Array.prototype.slice.call(arguments);
+  var e = args.shift();
+  var x1 = args.shift();
+  var x2 = args.shift();
+  var y = args.length != 0 ? args.shift() : 5;
+  dragSelectPointsWithData.apply(
+    this,
+    [{ accelKey: true }, e, x1, y, x2, y].concat(args)
+  );
+}
+
+function shiftClick(e, x, y) {
+  function pos(p) {
+    return typeof p === "undefined" ? 5 : p;
+  }
+  synthesizeMouse(e, pos(x), pos(y), { shiftKey: true });
+}
+
+function keyRepeat(key, data, repeat) {
+  while (repeat-- > 0) {
+    synthesizeKey(key, data);
+  }
+}
+
+function keyRight(data) {
+  var repeat = arguments.length > 1 ? arguments[1] : 1;
+  keyRepeat("VK_RIGHT", data, repeat);
+}
+
+function keyLeft(data) {
+  var repeat = arguments.length > 1 ? arguments[1] : 1;
+  keyRepeat("VK_LEFT", data, repeat);
+}
+
+function shiftAccelClick(e, x, y) {
+  function pos(p) {
+    return typeof p === "undefined" ? 5 : p;
+  }
+  synthesizeMouse(e, pos(x), pos(y), { shiftKey: true, accelKey: true });
+}
+
+function accelClick(e, x, y) {
+  function pos(p) {
+    return typeof p === "undefined" ? 5 : p;
+  }
+  synthesizeMouse(e, pos(x), pos(y), { accelKey: true });
+}
+
+function addChildRanges(arr, e) {
+  var sel = window.getSelection();
+  for (i = 0; i < arr.length; ++i) {
+    var data = arr[i];
+    var r = new Range();
+    r.setStart(getNode(e, data[0]), data[1]);
+    r.setEnd(getNode(e, data[2]), data[3]);
+    sel.addRange(r);
+  }
+}
+
+function checkText(text, e) {
+  var sel = window.getSelection();
+  is(sel.toString(), text, e.id + ": selected text");
+}
+
+function checkRangeText(text, index) {
+  var r = window.getSelection().getRangeAt(index);
+  is(r.toString(), text, e.id + ": range[" + index + "].toString()");
+}
+
+function checkRangeCount(n, e) {
+  var sel = window.getSelection();
+  is(sel.rangeCount, n, e.id + ": Selection range count");
+}
+
+function checkRangePoints(i, expected, e) {
+  var sel = window.getSelection();
+  if (i >= sel.rangeCount) {
+    return;
+  }
+  var r = sel.getRangeAt(i);
+  is(r.startContainer, expected[0], e.id + ": range.startContainer");
+  is(r.startOffset, expected[1], e.id + ": range.startOffset");
+  is(r.endContainer, expected[2], e.id + ": range.endContainer");
+  is(r.endOffset, expected[3], e.id + ": range.endOffset");
+}
+
+function checkRange(i, expected, e) {
+  var sel = window.getSelection();
+  if (i >= sel.rangeCount) {
+    return;
+  }
+  var r = sel.getRangeAt(i);
+  is(
+    r.startContainer,
+    getNode(e, expected[0]),
+    e.id + ": range[" + i + "].startContainer"
+  );
+  is(r.startOffset, expected[1], e.id + ": range[" + i + "].startOffset");
+  is(
+    r.endContainer,
+    getNode(e, expected[2]),
+    e.id + ": range[" + i + "].endContainer"
+  );
+  is(r.endOffset, expected[3], e.id + ": range[" + i + "].endOffset");
+}
+
+function checkRanges(arr, e) {
+  checkRangeCount(arr.length, e);
+  for (i = 0; i < arr.length; ++i) {
+    var expected = arr[i];
+    checkRange(i, expected, e);
+  }
+}