pdf.js/test/mozcentral/browser_pdfjs_zoom.js
2012-05-24 12:22:46 -04:00

64 lines
1.8 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
const RELATIVE_DIR = "browser/extensions/pdfjs/test/";
const TESTROOT = "http://example.com/browser/" + RELATIVE_DIR;
function test() {
waitForExplicitFinish();
var tab = gBrowser.addTab(TESTROOT + "file_pdfjs_test.pdf");
var newTabBrowser = gBrowser.getBrowserForTab(tab);
newTabBrowser.addEventListener("pagechange", function onPageChange() {
newTabBrowser.removeEventListener("pagechange", onPageChange, true);
var document = newTabBrowser.contentDocument,
window = newTabBrowser.contentWindow;
//
// Zoom in/out
//
var zoomOut = document.querySelector('button.zoomOut'),
zoomIn = document.querySelector('button.zoomIn');
var newWidth, oldWidth;
// We need to query the DOM every time since zoom in/out operations destroy the canvas element
waitForElement(document, 'canvas#page1', function(error, page1) {
if (error)
finish();
oldWidth = page1.width;
zoomIn.click();
waitForElement(document, 'canvas#page1', function(error, page1) {
if (error)
finish();
newWidth = page1.width;
ok(oldWidth < newWidth, 'zooming in increases page width (old: '+oldWidth+', new: '+newWidth+')');
// Zoom out
oldWidth = newWidth;
zoomOut.click();
waitForElement(document, 'canvas#page1', function(error, page1) {
if (error)
finish();
newWidth = page1.width;
ok(oldWidth > newWidth, 'zooming out decreases page width (old: '+oldWidth+', new: '+newWidth+')');
finish();
});
});
});
}, true, true);
registerCleanupFunction(function() {
gBrowser.removeTab(tab);
});
}