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/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
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.
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