gecko-dev/js/tests/ecma/ExecutionContexts/10.1.3.js

/* The contents of this file are subject to the Netscape Public License
 * Version 1.0 (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/NPL/
 * 
 * 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 Netscape are Copyright (C) 1998
 * Netscape Communications Corporation. All Rights Reserved.
 * 
 */
/**
    File Name:          10.1.3.js
    ECMA Section:       10.1.3.js Variable Instantiation
    Description:
    Author:             christine@netscape.com
    Date:               11 september 1997
*/

    var SECTION = "10.1.3";
    var VERSION = "ECMA_1";
    startTest();
    var TITLE   = "Variable instantiation";

    writeHeaderToLog( SECTION + " "+ TITLE);

    var testcases = getTestCases();
    test();

function getTestCases() {
    var array = new Array();
    var item = 0;

//  overriding a variable or function name with a function should succeed
    array[item++] = new TestCase( SECTION, "function t() { return \"first\" };function t() { return \"second\" };t() ",    "second",   eval("function t() { return \"first\" }; function t() { return \"second\" };t()") );
    array[item++] = new TestCase( SECTION, "var t; function t() { return \"function\" }; typeof(t)",        "function", eval("var t;function t() { return \"function\" }; typeof(t)") );

//  formal parameter tests
    array[item++] = new TestCase( SECTION, "function t1(a,b) { return b; }; t1( 4 );",             void 0,     eval("function t1(a,b) { return b; }; t1( 4 );") );
    array[item++] = new TestCase( SECTION, "function t1(a,b) { return a; }; t1( 4 );",             4,          eval("function t1(a,b) { return a; }; t1( 4 )") );
    array[item++] = new TestCase( SECTION, "function t1(a,b) { return a; }; t1();",                void 0,     eval("function t1(a,b) { return a; }; t1()") );
    array[item++] = new TestCase( SECTION, "function t1(a,b) { return a; }; t1(1,2,4);",           1,          eval("function t1(a,b) { return a; }; t1(1,2,4)") );
//    array[item++] = new TestCase( SECTION, "function t1(a,a) { return a; }; t1( 4 );",           void 0,     eval("function t1(a,a) { return a; }; t1( 4 )") );
//    array[item++] = new TestCase( SECTION, "function t1(a,a) { return a; }; t1( 1,2 );",          2,         eval("function t1(a,a) { return a; }; t1( 1,2 )") );

//  variable declarations
    array[item++] = new TestCase( SECTION, "function t1(a,b) { return a; }; t1( false, true );",   false,   eval("function t1(a,b) { return a; }; t1( false, true );") );
    array[item++] = new TestCase( SECTION, "function t1(a,b) { return b; }; t1( false, true );",   true,    eval("function t1(a,b) { return b; }; t1( false, true );") );
    array[item++] = new TestCase( SECTION, "function t1(a,b) { return a+b; }; t1( 4, 2 );",        6,       eval("function t1(a,b) { return a+b; }; t1( 4, 2 );") );
    array[item++] = new TestCase( SECTION, "function t1(a,b) { return a+b; }; t1( 4 );",           Number.NaN,     eval("function t1(a,b) { return a+b; }; t1( 4 );") );

//  overriding a function name with a variable should fail
    array[item++] = new TestCase( SECTION, "function t() { return 'function' }; var t = 'variable'; typeof(t)",        "string",   eval("function t() { return 'function' }; var t = 'variable'; typeof(t)") );

//  function as a constructor
    array[item++] = new TestCase( SECTION, "function t1(a,b) { var a = b; return a; } t1(1,3);",                       3,          eval("function t1(a, b){ var a = b; return a;}; t1(1,3)") );
    array[item++] = new TestCase( SECTION, "function t2(a,b) { this.a = b;  } x  = new t2(1,3); x.a",                  3,          eval("function t2(a,b) { this.a = b; }; x  = new t2(1,3); x.a") );
    array[item++] = new TestCase( SECTION, "function t2(a,b) { this.a = a;  } x  = new t2(1,3); x.a",                  1,          eval("function t2(a,b) { this.a = a; }; x  = new t2(1,3); x.a") );
    array[item++] = new TestCase( SECTION, "function t2(a,b) { this.a = b; this.b = a; } x = new t2(1,3);x.a;",        3,          eval("function t2(a,b) { this.a = b; this.b = a; }; x = new t2(1,3);x.a;") );
    array[item++] = new TestCase( SECTION, "function t2(a,b) { this.a = b; this.b = a; } x = new t2(1,3);x.b;",        1,          eval("function t2(a,b) { this.a = b; this.b = a; }; x = new t2(1,3);x.b;") );

    return ( array );
}
function test() {
    for ( tc=0; tc < testcases.length; tc++ ) {
        testcases[tc].passed = writeTestCaseResult(
                            testcases[tc].expect,
                            testcases[tc].actual,
                            testcases[tc].description +" = "+
                            testcases[tc].actual );

        testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
    }
    stopTest();
    return ( testcases );
}