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js/src/tests/js1_7/regress/regress-418641.js@6474c204b198 (annotated)

js/src/tests/js1_7/regress/regress-418641.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	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	//-----------------------------------------------------------------------------
michael@0	7	var BUGNUMBER = 418641;
michael@0	8	var summary = '++ and -- correctness';
michael@0	9	var actual = '';
michael@0	10	var expect = '';
michael@0	11
michael@0	12	printBugNumber(BUGNUMBER);
michael@0	13	printStatus (summary);
michael@0	14
michael@0	15	function get_pre_check(operand, op)
michael@0	16	{
michael@0	17	return "{\n"+
michael@0	18	" "+operand+" = I;\n"+
michael@0	19	" let tmp = "+op+op+operand+";\n"+
michael@0	20	" if ("+operand+" !== Number(I) "+op+" 1)\n"+
michael@0	21	" throw Error('"+op+op+operand+" case 1 for '+uneval(I));\n"+
michael@0	22	" if (tmp !== "+operand+")\n"+
michael@0	23	" throw Error('"+op+op+operand+" case 2 for '+uneval(I));\n"+
michael@0	24	"}\n";
michael@0	25	}
michael@0	26
michael@0	27	function get_post_check(operand, op)
michael@0	28	{
michael@0	29	return "{\n"+
michael@0	30	" "+operand+" = I;\n"+
michael@0	31	" let tmp = "+operand+op+op+";\n"+
michael@0	32	" if ("+operand+" !== Number(I) "+op+" 1)\n"+
michael@0	33	" throw Error('"+operand+op+op+" case 1 for '+uneval(I));\n"+
michael@0	34	" if (tmp !== Number(I))\n"+
michael@0	35	" throw Error('"+op+op+operand+" case 2 for '+uneval(I));\n"+
michael@0	36	"}\n";
michael@0	37	}
michael@0	38
michael@0	39	function get_check_source(operand)
michael@0	40	{
michael@0	41	return get_pre_check(operand, '+')+
michael@0	42	get_pre_check(operand, '-')+
michael@0	43	get_post_check(operand, '+')+
michael@0	44	get_post_check(operand, '-');
michael@0	45	}
michael@0	46
michael@0	47	var arg_check = Function('I', 'a', get_check_source('a'));
michael@0	48	var let_check = Function('I', 'let a;'+get_check_source('a'));
michael@0	49	var var_check = Function('I', 'var a;'+get_check_source('a'));
michael@0	50
michael@0	51	var my_name;
michael@0	52	var my_obj = {};
michael@0	53	var my_index = 0;
michael@0	54	var name_check = Function('I', get_check_source('my_name'));
michael@0	55	var prop_check = Function('I', get_check_source('my_obj.x'));
michael@0	56	var elem_check = Function('I', get_check_source('my_obj[my_index]'));
michael@0	57
michael@0	58	var test_values = [0 , 0.5, -0.0, (1 << 30) - 1, 1 - (1 << 30)];
michael@0	59
michael@0	60	for (let i = 0; i != test_values.length; i = i + 1) {
michael@0	61	let x = [test_values[i], String(test_values[i])];
michael@0	62	for (let j = 0; j != x.length; j = j + 1) {
michael@0	63	try
michael@0	64	{
michael@0	65	expect = actual = 'No Error';
michael@0	66	let test_value = x[j];
michael@0	67	arg_check(test_value, 0);
michael@0	68	let_check(test_value);
michael@0	69	var_check(test_value);
michael@0	70	name_check(test_value);
michael@0	71	prop_check(test_value);
michael@0	72	elem_check(test_value);
michael@0	73	}
michael@0	74	catch(ex)
michael@0	75	{
michael@0	76	actual = ex + '';
michael@0	77	}
michael@0	78	reportCompare(expect, actual, summary + ': ' + i + ', ' + j);
michael@0	79	}
michael@0	80	}