Add JS files

include/jQuery/jquery-ui/tests/unit/dialog/dialog_test_helpers.js

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+TestHelpers.dialog = {
+	drag: function(element, handle, dx, dy) {
+		var d = element.dialog("widget");
+		//this mouseover is to work around a limitation in resizable
+		//TODO: fix resizable so handle doesn't require mouseover in order to be used
+		$( handle, d ).simulate("mouseover").simulate( "drag", {
+			dx: dx,
+			dy: dy
+		});
+	},
+	testDrag: function(element, dx, dy, expectedDX, expectedDY, msg) {
+		var actualDX, actualDY, offsetAfter,
+			d = element.dialog("widget"),
+			handle = $(".ui-dialog-titlebar", d),
+			offsetBefore = d.offset();
+
+		TestHelpers.dialog.drag(element, handle, dx, dy);
+
+		offsetAfter = d.offset();
+
+		msg = msg ? msg + "." : "";
+
+		actualDX = offsetAfter.left - offsetBefore.left;
+		actualDY = offsetAfter.top - offsetBefore.top;
+		ok( expectedDX - actualDX <= 1 && expectedDY - actualDY <= 1, "dragged[" + expectedDX + ", " + expectedDY + "] " + msg);
+	},
+	shouldResize: function(element, dw, dh, msg) {
+		var heightAfter, widthAfter, actual, expected,
+			d = element.dialog("widget"),
+			handle = $(".ui-resizable-se", d),
+			heightBefore = d.height(),
+			widthBefore = d.width();
+
+		TestHelpers.dialog.drag(element, handle, 50, 50);
+
+		heightAfter = d.height();
+		widthAfter = d.width();
+
+		msg = msg ? msg + "." : "";
+		actual = { width: widthAfter, height: heightAfter },
+		expected = { width: widthBefore + dw, height: heightBefore + dh };
+		deepEqual(actual, expected, "resized[" + 50 + ", " + 50 + "] " + msg);
+	}
+};