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41 File Name: 15.9.5.34-1.js
42 ECMA Section: 15.9.5.34 Date.prototype.setMonth(mon [, date ] )
44 If date is not specified, this behaves as if date were specified with the
47 1. Let t be the result of LocalTime(this time value).
48 2. Call ToNumber(date).
49 3. If date is not specified, compute DateFromTime(t); otherwise, call ToNumber(date).
50 4. Compute MakeDay(YearFromTime(t), Result(2), Result(3)).
51 5. Compute UTC(MakeDate(Result(4), TimeWithinDay(t))).
52 6. Set the [[Value]] property of the this value to TimeClip(Result(5)).
53 7. Return the value of the [[Value]] property of the this value.
55 Author: christine@netscape.com
56 Date: 12 november 1997
58 var SECTION = "15.9.5.34-1";
59 var VERSION = "ECMA_1";
62 writeHeaderToLog( SECTION + " Date.prototype.setMonth(mon [, date ] )");
66 // regression test for http://scopus.mcom.com/bugsplat/show_bug.cgi?id=112404
68 d.setMonth(1,1,1,1,1,1);
71 "TDATE = new Date(0); TDATE.setMonth(1,1,1,1,1,1); TDATE",
72 UTCDateFromTime(SetMonth(0,1,1)),
73 LocalDateFromTime(SetMonth(0,1,1)) );
78 addNewTestCase( "TDATE = new Date(TIME_NOW); (TDATE).setMonth(11,31); TDATE",
79 UTCDateFromTime(SetMonth(TIME_NOW,11,31)),
80 LocalDateFromTime(SetMonth(TIME_NOW,11,31)) );
84 addNewTestCase( "TDATE = new Date(0);(TDATE).setMonth(0,1);TDATE",
85 UTCDateFromTime(SetMonth(0,0,1)),
86 LocalDateFromTime(SetMonth(0,0,1)) );
88 addNewTestCase( "TDATE = new Date("+TIME_1900+"); "+
89 "(TDATE).setMonth(11,31); TDATE",
90 UTCDateFromTime( SetMonth(TIME_1900,11,31) ),
91 LocalDateFromTime( SetMonth(TIME_1900,11,31) ) );
95 function addNewTestCase( DateString, UTCDate, LocalDate) {
96 DateCase = eval( DateString );
98 new TestCase( SECTION, DateString+".getTime()", UTCDate.value, DateCase.getTime() );
99 new TestCase( SECTION, DateString+".valueOf()", UTCDate.value, DateCase.valueOf() );
101 new TestCase( SECTION, DateString+".getUTCFullYear()", UTCDate.year, DateCase.getUTCFullYear() );
102 new TestCase( SECTION, DateString+".getUTCMonth()", UTCDate.month, DateCase.getUTCMonth() );
103 new TestCase( SECTION, DateString+".getUTCDate()", UTCDate.date, DateCase.getUTCDate() );
104 new TestCase( SECTION, DateString+".getUTCDay()", UTCDate.day, DateCase.getUTCDay() );
105 new TestCase( SECTION, DateString+".getUTCHours()", UTCDate.hours, DateCase.getUTCHours() );
106 new TestCase( SECTION, DateString+".getUTCMinutes()", UTCDate.minutes,DateCase.getUTCMinutes() );
107 new TestCase( SECTION, DateString+".getUTCSeconds()", UTCDate.seconds,DateCase.getUTCSeconds() );
108 new TestCase( SECTION, DateString+".getUTCMilliseconds()", UTCDate.ms, DateCase.getUTCMilliseconds() );
110 new TestCase( SECTION, DateString+".getFullYear()", LocalDate.year, DateCase.getFullYear() );
111 new TestCase( SECTION, DateString+".getMonth()", LocalDate.month, DateCase.getMonth() );
112 new TestCase( SECTION, DateString+".getDate()", LocalDate.date, DateCase.getDate() );
113 new TestCase( SECTION, DateString+".getDay()", LocalDate.day, DateCase.getDay() );
114 new TestCase( SECTION, DateString+".getHours()", LocalDate.hours, DateCase.getHours() );
115 new TestCase( SECTION, DateString+".getMinutes()", LocalDate.minutes, DateCase.getMinutes() );
116 new TestCase( SECTION, DateString+".getSeconds()", LocalDate.seconds, DateCase.getSeconds() );
117 new TestCase( SECTION, DateString+".getMilliseconds()", LocalDate.ms, DateCase.getMilliseconds() );
119 DateCase.toString = Object.prototype.toString;
121 new TestCase( SECTION,
122 DateString+".toString=Object.prototype.toString;"+DateString+".toString()",
124 DateCase.toString() );
127 function getFunctionCases() {
128 // some tests for all functions
131 "Date.prototype.setMonth.length",
133 Date.prototype.setMonth.length );
137 "typeof Date.prototype.setMonth",
139 typeof Date.prototype.setMonth );
152 function LocalDateFromTime(t) {
154 return ( MyDateFromTime(t) );
156 function UTCDateFromTime(t) {
157 return ( MyDateFromTime(t) );
159 function MyDateFromTime( t ) {
160 var d = new MyDate();
161 d.year = YearFromTime(t);
162 d.month = MonthFromTime(t);
163 d.date = DateFromTime(t);
164 d.hours = HourFromTime(t);
165 d.minutes = MinFromTime(t);
166 d.seconds = SecFromTime(t);
167 d.ms = msFromTime(t);
169 d.time = MakeTime( d.hours, d.minutes, d.seconds, d.ms );
170 d.value = TimeClip( MakeDate( MakeDay( d.year, d.month, d.date ), d.time ) );
171 d.day = WeekDay( d.value );
175 function SetMonth( t, mon, date ) {
176 var TIME = LocalTime(t);
177 var MONTH = Number( mon );
178 var DATE = ( date == void 0 ) ? DateFromTime(TIME) : Number( date );
179 var DAY = MakeDay( YearFromTime(TIME), MONTH, DATE );
180 return ( TimeClip (UTC(MakeDate( DAY, TimeWithinDay(TIME) ))) );