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Datepicker: Fix for years 0 - 999 #2391

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Datepicker: Fix for years 0 - 999 #2391

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bbefa77
Datepicker: Test selecting of year with less than 4 digits
MoonE Mar 12, 2026
ffcc7f2
Datepicker: Add tests zero-padding by formatDate
MoonE Mar 12, 2026
f5ee24c
Datepicker: Zero-pad years 0-999 to four digits
MoonE Feb 9, 2026
d795365
Datepicker: Use function to construct new Date from year, month, day
MoonE Feb 9, 2026
03796d9
Datepicker: Add test for create date year 0-99
MoonE Feb 9, 2026
1143073
Datepicker: Handle date with years in range 0-99
MoonE Feb 9, 2026
7df6e52
Datepicker: More zero-padding formatDate tests with years 0-99
MoonE Mar 12, 2026
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Datepicker: Add tests zero-padding by formatDate
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@MoonE
MoonE committed Mar 14, 2026
commit ffcc7f241c25c2a697c5334e752984c32249e14d
10 changes: 9 additions & 1 deletion tests/unit/datepicker/options.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1124,7 +1124,7 @@ QUnit.test( "Ticket #7244: date parser does not fail when too many numbers are p
} );

QUnit.test( "formatDate", function( assert ) {
assert.expect( 16 );
assert.expect( 21 );
testHelper.init( "#inp" );
var gmtDate, fr, settings;
assert.equal( $.datepicker.formatDate( "d m y", new Date( 2001, 2 - 1, 3 ) ),
Expand Down Expand Up @@ -1164,6 +1164,14 @@ QUnit.test( "formatDate", function( assert ) {
assert.equal( $.datepicker.formatDate( "'jour' d 'de' MM (''DD''), yy",
new Date( 2001, 4 - 1, 9 ), settings ), "jour 9 de avril ('lundi'), 2001",
"Format date 'jour' d 'de' MM (''DD''), yy with settings" );

assert.equal( $.datepicker.formatDate( "yy-mm-dd", new Date( 100, 0, 1 ) ), "0100-01-01" );
assert.equal( $.datepicker.formatDate( "yy-mm-dd", new Date( 999, 0, 1 ) ), "0999-01-01" );
assert.equal( $.datepicker.formatDate( "yy-mm-dd", new Date( 1000, 0, 1 ) ), "1000-01-01" );

// -1 and 100000 will not be parsed correctly, but can be selected
assert.equal( $.datepicker.formatDate( "yy-mm-dd", new Date( -1, 0, 1 ) ), "-1-01-01" );
assert.equal( $.datepicker.formatDate( "yy-mm-dd", new Date( 10000, 0, 1 ) ), "10000-01-01" );
} );

// TODO: Fix this test so it isn't mysteriously flaky in Browserstack on certain OS/Browser combos
Expand Down