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browser/devtools/debugger/test/browser_dbg_variables-view-frozen-sealed-nonext.js@6474c204b198 (annotated)

browser/devtools/debugger/test/browser_dbg_variables-view-frozen-sealed-nonext.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	/**
michael@0	5	* This test checks that we properly set the frozen, sealed, and non-extensbile
michael@0	6	* attributes on variables so that the F/S/N is shown in the variables view.
michael@0	7	*/
michael@0	8
michael@0	9	const TAB_URL = EXAMPLE_URL + "doc_frame-parameters.html";
michael@0	10
michael@0	11	let gTab, gDebuggee, gPanel, gDebugger;
michael@0	12
michael@0	13	function test() {
michael@0	14	initDebugger(TAB_URL).then(([aTab, aDebuggee, aPanel]) => {
michael@0	15	gTab = aTab;
michael@0	16	gDebuggee = aDebuggee;
michael@0	17	gPanel = aPanel;
michael@0	18	gDebugger = gPanel.panelWin;
michael@0	19
michael@0	20	prepareTest();
michael@0	21	});
michael@0	22	}
michael@0	23
michael@0	24	function prepareTest() {
michael@0	25	gDebugger.once(gDebugger.EVENTS.FETCHED_SCOPES, runTest);
michael@0	26
michael@0	27	gDebuggee.eval("(" + function() {
michael@0	28	var frozen = Object.freeze({});
michael@0	29	var sealed = Object.seal({});
michael@0	30	var nonExtensible = Object.preventExtensions({});
michael@0	31	var extensible = {};
michael@0	32	var string = "foo bar baz";
michael@0	33
michael@0	34	debugger;
michael@0	35	} + "())");
michael@0	36	}
michael@0	37
michael@0	38	function runTest() {
michael@0	39	let hasNoneTester = function(aVariable) {
michael@0	40	ok(!aVariable.hasAttribute("frozen"),
michael@0	41	"The variable should not be frozen.");
michael@0	42	ok(!aVariable.hasAttribute("sealed"),
michael@0	43	"The variable should not be sealed.");
michael@0	44	ok(!aVariable.hasAttribute("non-extensible"),
michael@0	45	"The variable should be extensible.");
michael@0	46	};
michael@0	47
michael@0	48	let testers = {
michael@0	49	frozen: function (aVariable) {
michael@0	50	ok(aVariable.hasAttribute("frozen"),
michael@0	51	"The variable should be frozen.");
michael@0	52	},
michael@0	53	sealed: function (aVariable) {
michael@0	54	ok(aVariable.hasAttribute("sealed"),
michael@0	55	"The variable should be sealed.");
michael@0	56	},
michael@0	57	nonExtensible: function (aVariable) {
michael@0	58	ok(aVariable.hasAttribute("non-extensible"),
michael@0	59	"The variable should be non-extensible.");
michael@0	60	},
michael@0	61	extensible: hasNoneTester,
michael@0	62	string: hasNoneTester,
michael@0	63	arguments: hasNoneTester,
michael@0	64	this: hasNoneTester
michael@0	65	};
michael@0	66
michael@0	67	let variables = gDebugger.document.querySelectorAll(".variable-or-property");
michael@0	68
michael@0	69	for (let variable of variables) {
michael@0	70	let name = variable.querySelector(".name").getAttribute("value");
michael@0	71	let tester = testers[name];
michael@0	72	delete testers[name];
michael@0	73
michael@0	74	ok(tester, "We should have a tester for the '" + name + "' variable.");
michael@0	75	tester(variable);
michael@0	76	}
michael@0	77
michael@0	78	is(Object.keys(testers).length, 0,
michael@0	79	"We should have run and removed all the testers.");
michael@0	80
michael@0	81	resumeDebuggerThenCloseAndFinish(gPanel);
michael@0	82	}
michael@0	83
michael@0	84	registerCleanupFunction(function() {
michael@0	85	gTab = null;
michael@0	86	gDebuggee = null;
michael@0	87	gPanel = null;
michael@0	88	gDebugger = null;
michael@0	89	});