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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const TEST_URI = "data:text/html;charset=utf-8,Web Console test for " +
"bug 613642: maintain scroll with pruning of old messages";
var hud;
add_task(function* () {
yield loadTab(TEST_URI);
hud = yield openConsole();
hud.jsterm.clearOutput();
let outputNode = hud.outputNode;
Services.prefs.setIntPref("devtools.hud.loglimit.console", 140);
let scrollBoxElement = hud.ui.outputWrapper;
ContentTask.spawn(gBrowser.selectedBrowser, {}, function* () {
for (let i = 0; i < 150; i++) {
content.console.log("test message " + i);
}
});
yield waitForMessages({
webconsole: hud,
messages: [{
text: "test message 149",
category: CATEGORY_WEBDEV,
severity: SEVERITY_LOG,
}],
});
let oldScrollTop = scrollBoxElement.scrollTop;
isnot(oldScrollTop, 0, "scroll location is not at the top");
let firstNode = outputNode.firstChild;
ok(firstNode, "found the first message");
let msgNode = outputNode.children[80];
ok(msgNode, "found the 80th message");
// scroll to the middle message node
msgNode.scrollIntoView(false);
isnot(scrollBoxElement.scrollTop, oldScrollTop,
"scroll location updated (scrolled to message)");
oldScrollTop = scrollBoxElement.scrollTop;
// add a message
ContentTask.spawn(gBrowser.selectedBrowser, {}, function* () {
content.console.log("hello world");
});
yield waitForMessages({
webconsole: hud,
messages: [{
text: "hello world",
category: CATEGORY_WEBDEV,
severity: SEVERITY_LOG,
}],
});
// Scroll location needs to change, because one message is also removed, and
// we need to scroll a bit towards the top, to keep the current view in sync.
isnot(scrollBoxElement.scrollTop, oldScrollTop,
"scroll location updated (added a message)");
isnot(outputNode.firstChild, firstNode,
"first message removed");
Services.prefs.clearUserPref("devtools.hud.loglimit.console");
hud = null;
});
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