From d7539ff362a9315bc8d29484c7dcc279f861fa4c Mon Sep 17 00:00:00 2001
From: James Allen <jamesallen0108@gmail.com>
Date: Mon, 14 Feb 2011 20:02:02 +0800
Subject: [PATCH] Fixed failing unit test by implementing
 MockRenderer#scrollToLine

---
 lib/ace/test/mockrenderer.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/ace/test/mockrenderer.js b/lib/ace/test/mockrenderer.js
index 8d931483..9eb2b5c1 100644
--- a/lib/ace/test/mockrenderer.js
+++ b/lib/ace/test/mockrenderer.js
@@ -94,7 +94,17 @@ MockRenderer.prototype.updateCursor = function(position) {
     this.cursor.column = position.column;
 };
 
-MockRenderer.prototype.scrollToLine = function(row) {
+MockRenderer.prototype.scrollToLine = function(line, center) {
+    var lineHeight = { lineHeight: 16 };
+    var row = 0;
+    for (var l = 1; l < line; l++) {
+        row += this.session.getRowHeight(lineHeight, l-1) / lineHeight.lineHeight;
+    }
+
+    if (center) {
+        row -= this.visibleRowCount / 2;
+    }
+    this.scrollToRow(row);
 };
 
 MockRenderer.prototype.scrollCursorIntoView = function() {