overleaf/services/web/public/js/ace/virtual_renderer_test.js

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2014-02-12 10:23:40 +00:00
/* ***** BEGIN LICENSE BLOCK *****
* Distributed under the BSD license:
*
* Copyright (c) 2010, Ajax.org B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Ajax.org B.V. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***** END LICENSE BLOCK ***** */
if (typeof process !== "undefined") {
require("amd-loader");
require("./test/mockdom");
}
define(function(require, exports, module) {
"use strict";
var EditSession = require("./edit_session").EditSession;
var VirtualRenderer = require("./virtual_renderer").VirtualRenderer;
var assert = require("./test/assertions");
module.exports = {
"test: screen2text the column should be rounded to the next character edge" : function() {
var el = document.createElement("div");
if (!el.getBoundingClientRect) {
console.log("Skipping test: This test only runs in the browser");
return;
}
el.style.left = "20px";
el.style.top = "30px";
el.style.width = "300px";
el.style.height = "100px";
document.body.appendChild(el);
var renderer = new VirtualRenderer(el);
renderer.setPadding(0);
renderer.setSession(new EditSession("1234"));
var r = renderer.scroller.getBoundingClientRect();
function testPixelToText(x, y, row, column) {
assert.position(renderer.screenToTextCoordinates(x+r.left, y+r.top), row, column);
}
renderer.characterWidth = 10;
renderer.lineHeight = 15;
testPixelToText(4, 0, 0, 0);
testPixelToText(5, 0, 0, 1);
testPixelToText(9, 0, 0, 1);
testPixelToText(10, 0, 0, 1);
testPixelToText(14, 0, 0, 1);
testPixelToText(15, 0, 0, 2);
document.body.removeChild(el);
}
// change tab size after setDocument (for text layer)
};
});
if (typeof module !== "undefined" && module === require.main) {
require("asyncjs").test.testcase(module.exports).exec()
}