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-rw-r--r--ext/date/tests/bug50055.phpt30
1 files changed, 30 insertions, 0 deletions
diff --git a/ext/date/tests/bug50055.phpt b/ext/date/tests/bug50055.phpt
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+--TEST--
+Bug #50555 (DateTime::sub() allows 'relative' time modifications).
+--FILE--
+<?php
+$now = '2010-03-07 13:21:38 UTC';
+//positive DateInterval
+$da1 = date_create( $now );
+$ds1 = date_create( $now );
+$i = DateInterval::createFromDateString('third Tuesday of next month');
+echo $da1->format( DateTime::ISO8601 ), "\n";
+echo date_add($da1, $i)->format( DateTime::ISO8601 ), "\n";
+date_sub($ds1, $i);
+
+//negative DateInterval
+$da2 = date_create( $now );
+$ds2 = date_create( $now );
+$i2 = DateInterval::createFromDateString('third Tuesday of last month');
+echo $da2->format( DateTime::ISO8601 ), "\n";
+echo date_add($da2, $i2)->format( DateTime::ISO8601 ), "\n";//works
+date_sub($ds2, $i);
+?>
+--EXPECTF--
+2010-03-07T13:21:38+0000
+2010-04-20T13:21:38+0000
+
+Warning: date_sub(): Only non-special relative time specifications are supported for subtraction in %sbug50055.php on line 9
+2010-03-07T13:21:38+0000
+2010-02-16T13:21:38+0000
+
+Warning: date_sub(): Only non-special relative time specifications are supported for subtraction in %sbug50055.php on line 17