gecko/js/tests/js1_2/statements/switch2.js

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
gTestfile = 'switch2.js';
/**
Filename: switch2.js
Description: 'Tests the switch statement'
http://scopus.mcom.com/bugsplat/show_bug.cgi?id=323696
Author: Norris Boyd
Date: July 31, 1998
*/
var SECTION = 'As described in Netscape doc "Whats new in JavaScript 1.2"';
var VERSION = 'no version';
var TITLE = 'statements: switch';
var BUGNUMBER="323626";
startTest();
writeHeaderToLog("Executing script: switch2.js");
writeHeaderToLog( SECTION + " "+ TITLE);
// test defaults not at the end; regression test for a bug that
// nearly made it into 4.06
function f0(i) {
switch(i) {
default:
case "a":
case "b":
return "ab*"
case "c":
return "c";
case "d":
return "d";
}
return "";
}
new TestCase(SECTION, 'switch statement',
f0("a"), "ab*");
new TestCase(SECTION, 'switch statement',
f0("b"), "ab*");
new TestCase(SECTION, 'switch statement',
f0("*"), "ab*");
new TestCase(SECTION, 'switch statement',
f0("c"), "c");
new TestCase(SECTION, 'switch statement',
f0("d"), "d");
function f1(i) {
switch(i) {
case "a":
case "b":
default:
return "ab*"
case "c":
return "c";
case "d":
return "d";
}
return "";
}
new TestCase(SECTION, 'switch statement',
f1("a"), "ab*");
new TestCase(SECTION, 'switch statement',
f1("b"), "ab*");
new TestCase(SECTION, 'switch statement',
f1("*"), "ab*");
new TestCase(SECTION, 'switch statement',
f1("c"), "c");
new TestCase(SECTION, 'switch statement',
f1("d"), "d");
// Switch on integer; will use TABLESWITCH opcode in C engine
function f2(i) {
switch (i) {
case 0:
case 1:
return 1;
case 2:
return 2;
}
// with no default, control will fall through
return 3;
}
new TestCase(SECTION, 'switch statement',
f2(0), 1);
new TestCase(SECTION, 'switch statement',
f2(1), 1);
new TestCase(SECTION, 'switch statement',
f2(2), 2);
new TestCase(SECTION, 'switch statement',
f2(3), 3);
// empty switch: make sure expression is evaluated
var se = 0;
switch (se = 1) {
}
new TestCase(SECTION, 'switch statement',
se, 1);
// only default
se = 0;
switch (se) {
default:
se = 1;
}
new TestCase(SECTION, 'switch statement',
se, 1);
// in loop, break should only break out of switch
se = 0;
for (var i=0; i < 2; i++) {
switch (i) {
case 0:
case 1:
break;
}
se = 1;
}
new TestCase(SECTION, 'switch statement',
se, 1);
// test "fall through"
se = 0;
i = 0;
switch (i) {
case 0:
se++;
/* fall through */
case 1:
se++;
break;
}
new TestCase(SECTION, 'switch statement',
se, 2);
print("hi");
test();
// Needed: tests for evaluation time of case expressions.
// This issue was under debate at ECMA, so postponing for now.