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/**
* File Name: forin-001.js
* ECMA Section:
* Description: The forin-001 statement
*
* Verify that the property name is assigned to the property on the left
* hand side of the for...in expression.
*
* Author: christine@netscape.com
* Date: 28 August 1998
*/
var SECTION = "forin-001";
var VERSION = "ECMA_2";
var TITLE = "The for...in statement";
var BUGNUMBER="330890";
var BUGNUMBER="http://scopus.mcom.com/bugsplat/show_bug.cgi?id=344855";
startTest();
writeHeaderToLog( SECTION + " "+ TITLE);
var tc = 0;
var testcases = new Array();
ForIn_1( { length:4, company:"netscape", year:2000, 0:"zero" } );
ForIn_2( { length:4, company:"netscape", year:2000, 0:"zero" } );
ForIn_3( { length:4, company:"netscape", year:2000, 0:"zero" } );
// ForIn_6({ length:4, company:"netscape", year:2000, 0:"zero" });
// ForIn_7({ length:4, company:"netscape", year:2000, 0:"zero" });
ForIn_8({ length:4, company:"netscape", year:2000, 0:"zero" });
test();
/**
* Verify that the left side argument is evaluated with every iteration.
* Verify that the name of each property of the object is assigned to a
* a property.
*
*/
function ForIn_1( object ) {
PropertyArray = new Array();
ValueArray = new Array();
for ( PropertyArray[PropertyArray.length] in object ) {
ValueArray[ValueArray.length] =
object[PropertyArray[PropertyArray.length-1]];
}
for ( var i = 0; i < PropertyArray.length; i++ ) {
testcases[tc++] = new TestCase(
SECTION,
"object[" + PropertyArray[i] +"]",
object[PropertyArray[i]],
ValueArray[i]
);
}
testcases[tc++] = new TestCase(
SECTION,
"object.length",
PropertyArray.length,
object.length );
}
/**
* Similar to ForIn_1, except it should increment the counter variable
* every time the left hand expression is evaluated.
*/
function ForIn_2( object ) {
PropertyArray = new Array();
ValueArray = new Array();
var i = 0;
for ( PropertyArray[i++] in object ) {
ValueArray[ValueArray.length] =
object[PropertyArray[PropertyArray.length-1]];
}
for ( i = 0; i < PropertyArray.length; i++ ) {
testcases[tc++] = new TestCase(
SECTION,
"object[" + PropertyArray[i] +"]",
object[PropertyArray[i]],
ValueArray[i]
);
}
testcases[tc++] = new TestCase(
SECTION,
"object.length",
PropertyArray.length,
object.length );
}
/**
* Break out of a for...in loop
*
*
*/
function ForIn_3( object ) {
var checkBreak = "pass";
var properties = new Array();
var values = new Array();
for ( properties[properties.length] in object ) {
values[values.length] = object[properties[properties.length-1]];
break;
checkBreak = "fail";
}
testcases[tc++] = new TestCase(
SECTION,
"check break out of for...in",
"pass",
checkBreak );
testcases[tc++] = new TestCase(
SECTION,
"properties.length",
1,
properties.length );
testcases[tc++] = new TestCase(
SECTION,
"object["+properties[0]+"]",
values[0],
object[properties[0]] );
}
/**
* Break out of a labeled for...in loop.
*/
function ForIn_4( object ) {
var result1 = 0;
var result2 = 0;
var result3 = 0;
var result4 = 0;
var i = 0;
var property = new Array();
butterbean: {
result1++;
for ( property[i++] in object ) {
result2++;
break;
result4++;
}
result3++;
}
testcases[tc++] = new TestCase(
SECTION,
"verify labeled statement is only executed once",
true,
result1 == 1 );
testcases[tc++] = new TestCase(
SECTION,
"verify statements in for loop are evaluated",
true,
result2 == i );
testcases[tc++] = new TestCase(
SECTION,
"verify break out of labeled for...in loop",
true,
result4 == 0 );
testcases[tc++] = new TestCase(
SECTION,
"verify break out of labeled block",
true,
result3 == 0 );
}
/**
* Labeled break out of a labeled for...in loop.
*/
function ForIn_5 (object) {
var result1 = 0;
var result2 = 0;
var result3 = 0;
var result4 = 0;
var i = 0;
var property = new Array();
bigredbird: {
result1++;
for ( property[i++] in object ) {
result2++;
break bigredbird;
result4++;
}
result3++;
}
testcases[tc++] = new TestCase(
SECTION,
"verify labeled statement is only executed once",
true,
result1 == 1 );
testcases[tc++] = new TestCase(
SECTION,
"verify statements in for loop are evaluated",
true,
result2 == i );
testcases[tc++] = new TestCase(
SECTION,
"verify break out of labeled for...in loop",
true,
result4 == 0 );
testcases[tc++] = new TestCase(
SECTION,
"verify break out of labeled block",
true,
result3 == 0 );
}
/**
* Labeled continue from a labeled for...in loop
*/
function ForIn_7( object ) {
var result1 = 0;
var result2 = 0;
var result3 = 0;
var result4 = 0;
var i = 0;
var property = new Array();
bigredbird:
for ( property[i++] in object ) {
result2++;
continue bigredbird;
result4++;
}
testcases[tc++] = new TestCase(
SECTION,
"verify statements in for loop are evaluated",
true,
result2 == i );
testcases[tc++] = new TestCase(
SECTION,
"verify break out of labeled for...in loop",
true,
result4 == 0 );
testcases[tc++] = new TestCase(
SECTION,
"verify break out of labeled block",
true,
result3 == 1 );
}
/**
* continue in a for...in loop
*
*/
function ForIn_8( object ) {
var checkBreak = "pass";
var properties = new Array();
var values = new Array();
for ( properties[properties.length] in object ) {
values[values.length] = object[properties[properties.length-1]];
break;
checkBreak = "fail";
}
testcases[tc++] = new TestCase(
SECTION,
"check break out of for...in",
"pass",
checkBreak );
testcases[tc++] = new TestCase(
SECTION,
"properties.length",
1,
properties.length );
testcases[tc++] = new TestCase(
SECTION,
"object["+properties[0]+"]",
values[0],
object[properties[0]] );
}
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