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dom/browser-element/mochitest/browserElement_BackForward.js@6474c204b198 (annotated)

dom/browser-element/mochitest/browserElement_BackForward.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	/* Any copyright is dedicated to the public domain.
michael@0	2	http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0	3
michael@0	4	// Bug 741755 - Test that canGo{Back,Forward} and go{Forward,Back} work with
michael@0	5	// <iframe mozbrowser>.
michael@0	6
michael@0	7	"use strict";
michael@0	8	SimpleTest.waitForExplicitFinish();
michael@0	9	browserElementTestHelpers.setEnabledPref(true);
michael@0	10	browserElementTestHelpers.addPermission();
michael@0	11
michael@0	12	var iframe;
michael@0	13	function addOneShotIframeEventListener(event, fn) {
michael@0	14	function wrapper(e) {
michael@0	15	iframe.removeEventListener(event, wrapper);
michael@0	16	fn(e);
michael@0	17	};
michael@0	18
michael@0	19	iframe.addEventListener(event, wrapper);
michael@0	20	}
michael@0	21
michael@0	22	function runTest() {
michael@0	23	iframe = document.createElement('iframe');
michael@0	24	SpecialPowers.wrap(iframe).mozbrowser = true;
michael@0	25
michael@0	26	addOneShotIframeEventListener('mozbrowserloadend', function() {
michael@0	27	SimpleTest.executeSoon(test2);
michael@0	28	});
michael@0	29
michael@0	30	iframe.src = browserElementTestHelpers.emptyPage1;
michael@0	31	document.body.appendChild(iframe);
michael@0	32	}
michael@0	33
michael@0	34	function checkCanGoBackAndForward(canGoBack, canGoForward, nextTest) {
michael@0	35	var seenCanGoBackResult = false;
michael@0	36	iframe.getCanGoBack().onsuccess = function(e) {
michael@0	37	is(seenCanGoBackResult, false, "onsuccess handler shouldn't be called twice.");
michael@0	38	seenCanGoBackResult = true;
michael@0	39	is(e.target.result, canGoBack);
michael@0	40	maybeRunNextTest();
michael@0	41	};
michael@0	42
michael@0	43	var seenCanGoForwardResult = false;
michael@0	44	iframe.getCanGoForward().onsuccess = function(e) {
michael@0	45	is(seenCanGoForwardResult, false, "onsuccess handler shouldn't be called twice.");
michael@0	46	seenCanGoForwardResult = true;
michael@0	47	is(e.target.result, canGoForward);
michael@0	48	maybeRunNextTest();
michael@0	49	};
michael@0	50
michael@0	51	function maybeRunNextTest() {
michael@0	52	if (seenCanGoBackResult && seenCanGoForwardResult) {
michael@0	53	nextTest();
michael@0	54	}
michael@0	55	}
michael@0	56	}
michael@0	57
michael@0	58	function test2() {
michael@0	59	checkCanGoBackAndForward(false, false, test3);
michael@0	60	}
michael@0	61
michael@0	62	function test3() {
michael@0	63	addOneShotIframeEventListener('mozbrowserloadend', function() {
michael@0	64	checkCanGoBackAndForward(true, false, test4);
michael@0	65	});
michael@0	66
michael@0	67	SimpleTest.executeSoon(function() {
michael@0	68	iframe.src = browserElementTestHelpers.emptyPage2;
michael@0	69	});
michael@0	70	}
michael@0	71
michael@0	72	function test4() {
michael@0	73	addOneShotIframeEventListener('mozbrowserlocationchange', function(e) {
michael@0	74	is(e.detail, browserElementTestHelpers.emptyPage3);
michael@0	75	checkCanGoBackAndForward(true, false, test5);
michael@0	76	});
michael@0	77
michael@0	78	SimpleTest.executeSoon(function() {
michael@0	79	iframe.src = browserElementTestHelpers.emptyPage3;
michael@0	80	});
michael@0	81	}
michael@0	82
michael@0	83	function test5() {
michael@0	84	addOneShotIframeEventListener('mozbrowserlocationchange', function(e) {
michael@0	85	is(e.detail, browserElementTestHelpers.emptyPage2);
michael@0	86	checkCanGoBackAndForward(true, true, test6);
michael@0	87	});
michael@0	88	iframe.goBack();
michael@0	89	}
michael@0	90
michael@0	91	function test6() {
michael@0	92	addOneShotIframeEventListener('mozbrowserlocationchange', function(e) {
michael@0	93	is(e.detail, browserElementTestHelpers.emptyPage1);
michael@0	94	checkCanGoBackAndForward(false, true, SimpleTest.finish);
michael@0	95	});
michael@0	96	iframe.goBack();
michael@0	97	}
michael@0	98
michael@0	99	addEventListener('testready', runTest);