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browser/devtools/webconsole/test/browser_webconsole_bug_613642_prune_scroll.js@6474c204b198 (annotated)

browser/devtools/webconsole/test/browser_webconsole_bug_613642_prune_scroll.js

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* vim:set ts=2 sw=2 sts=2 et: */
michael@0	2	/*
michael@0	3	* Any copyright is dedicated to the Public Domain.
michael@0	4	* http://creativecommons.org/publicdomain/zero/1.0/
michael@0	5	*
michael@0	6	* Contributor(s):
michael@0	7	* Mihai Șucan <mihai.sucan@gmail.com>
michael@0	8	*/
michael@0	9
michael@0	10	let hud, testDriver;
michael@0	11
michael@0	12	function testNext() {
michael@0	13	testDriver.next();
michael@0	14	}
michael@0	15
michael@0	16	function testGen() {
michael@0	17	hud.jsterm.clearOutput();
michael@0	18
michael@0	19	let outputNode = hud.outputNode;
michael@0	20
michael@0	21	Services.prefs.setIntPref("devtools.hud.loglimit.console", 140);
michael@0	22	let scrollBoxElement = outputNode.parentNode;
michael@0	23
michael@0	24	for (let i = 0; i < 150; i++) {
michael@0	25	content.console.log("test message " + i);
michael@0	26	}
michael@0	27
michael@0	28	waitForMessages({
michael@0	29	webconsole: hud,
michael@0	30	messages: [{
michael@0	31	text: "test message 149",
michael@0	32	category: CATEGORY_WEBDEV,
michael@0	33	severity: SEVERITY_LOG,
michael@0	34	}],
michael@0	35	}).then(testNext);
michael@0	36
michael@0	37	yield undefined;
michael@0	38
michael@0	39	let oldScrollTop = scrollBoxElement.scrollTop;
michael@0	40	isnot(oldScrollTop, 0, "scroll location is not at the top");
michael@0	41
michael@0	42	let firstNode = outputNode.firstChild;
michael@0	43	ok(firstNode, "found the first message");
michael@0	44
michael@0	45	let msgNode = outputNode.children[80];
michael@0	46	ok(msgNode, "found the 80th message");
michael@0	47
michael@0	48	// scroll to the middle message node
michael@0	49	msgNode.scrollIntoView(false);
michael@0	50
michael@0	51	isnot(scrollBoxElement.scrollTop, oldScrollTop,
michael@0	52	"scroll location updated (scrolled to message)");
michael@0	53
michael@0	54	oldScrollTop = scrollBoxElement.scrollTop;
michael@0	55
michael@0	56	// add a message
michael@0	57	content.console.log("hello world");
michael@0	58
michael@0	59	waitForMessages({
michael@0	60	webconsole: hud,
michael@0	61	messages: [{
michael@0	62	text: "hello world",
michael@0	63	category: CATEGORY_WEBDEV,
michael@0	64	severity: SEVERITY_LOG,
michael@0	65	}],
michael@0	66	}).then(testNext);
michael@0	67
michael@0	68	yield undefined;
michael@0	69
michael@0	70	// Scroll location needs to change, because one message is also removed, and
michael@0	71	// we need to scroll a bit towards the top, to keep the current view in sync.
michael@0	72	isnot(scrollBoxElement.scrollTop, oldScrollTop,
michael@0	73	"scroll location updated (added a message)");
michael@0	74
michael@0	75	isnot(outputNode.firstChild, firstNode,
michael@0	76	"first message removed");
michael@0	77
michael@0	78	Services.prefs.clearUserPref("devtools.hud.loglimit.console");
michael@0	79
michael@0	80	hud = testDriver = null;
michael@0	81	finishTest();
michael@0	82
michael@0	83	yield undefined;
michael@0	84	}
michael@0	85
michael@0	86	function test() {
michael@0	87	addTab("data:text/html;charset=utf-8,Web Console test for bug 613642: maintain scroll with pruning of old messages");
michael@0	88	browser.addEventListener("load", function tabLoad(aEvent) {
michael@0	89	browser.removeEventListener(aEvent.type, tabLoad, true);
michael@0	90
michael@0	91	openConsole(null, function(aHud) {
michael@0	92	hud = aHud;
michael@0	93	testDriver = testGen();
michael@0	94	testDriver.next();
michael@0	95	});
michael@0	96	}, true);
michael@0	97	}