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+# 2023-05-30
+#
+# The author disclaims copyright to this source code. In place of
+# a legal notice, here is a blessing:
+#
+# May you do good and not evil.
+# May you find forgiveness for yourself and forgive others.
+# May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library. The
+# focus of this file is testing date and time functions.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Skip this whole file if date and time functions are omitted
+# at compile-time
+#
+ifcapable {!datetime} {
+ finish_test
+ return
+}
+
+proc datetest {tnum expr result} {
+ do_test timediff-$tnum [subst {
+ execsql "SELECT coalesce($expr,'NULL')"
+ }] [list $result]
+}
+set tcl_precision 15
+
+
+# February overflow on a leap year
+datetest 1.1 {datetime('2000-01-31','+1 month')} {2000-03-02 00:00:00}
+datetest 1.2 {datetime('2004-01-29','+1 month')} {2004-02-29 00:00:00}
+datetest 1.3 {datetime('2000-03-01','-1 day')} {2000-02-29 00:00:00}
+datetest 1.4 {datetime('2000-03-31','-1 month')} {2000-03-02 00:00:00}
+datetest 1.5 {datetime('2000-03-30','-1 month')} {2000-03-01 00:00:00}
+datetest 1.6 {datetime('2000-03-29','-1 month')} {2000-02-29 00:00:00}
+datetest 1.7 {datetime('2000-03-28','-1 month')} {2000-02-28 00:00:00}
+datetest 1.8 {datetime('2000-02-29','+1 year')} {2001-03-01 00:00:00}
+datetest 1.9 {datetime('2000-02-29','+4 years')} {2004-02-29 00:00:00}
+
+datetest 1.10 {datetime('1998-11-10','+0001-03-19 12:34:56')} \
+ {2000-02-29 12:34:56}
+datetest 1.11 {datetime('2000-01-31','+0004-01-00 12:34:56')} \
+ {2004-03-02 12:34:56}
+datetest 1.12 {datetime('2000-01-29','+0008-01-00 12:34:56')} \
+ {2008-02-29 12:34:56}
+datetest 1.13 {datetime('2001-03-31','-0001-01-00 06:10')} \
+ {2000-03-01 17:50:00}
+
+
+# February overflow on a non-leap year
+datetest 2.1 {datetime('2001-01-31','+1 month')} {2001-03-03 00:00:00}
+datetest 2.2 {datetime('2005-01-29','+1 month')} {2005-03-01 00:00:00}
+datetest 2.3 {datetime('2001-03-01','-1 day')} {2001-02-28 00:00:00}
+datetest 2.4 {datetime('2001-03-31','-1 month')} {2001-03-03 00:00:00}
+datetest 2.5 {datetime('2001-03-30','-1 month')} {2001-03-02 00:00:00}
+datetest 2.6 {datetime('2001-03-29','-1 month')} {2001-03-01 00:00:00}
+datetest 2.7 {datetime('2001-03-28','-1 month')} {2001-02-28 00:00:00}
+
+datetest 2.10 {datetime('1999-11-10','+0001-03-19 12:34:56')} \
+ {2001-03-01 12:34:56}
+datetest 2.11 {datetime('2000-01-31','+0005-01-00 12:34:56')} \
+ {2005-03-03 12:34:56}
+datetest 2.12 {datetime('2000-01-29','+0009-01-00 12:34:56')} \
+ {2009-03-01 12:34:56}
+datetest 2.13 {datetime('2002-03-31','-0001-01-00 06:10')} \
+ {2001-03-02 17:50:00}
+
+# timediff
+datetest 3.1 {timediff('2000-03-02','2000-01-31')} {+0000-01-00 00:00:00.000}
+datetest 3.2 {timediff('2000-01-31','2000-03-02')} {-0000-01-02 00:00:00.000}
+datetest 3.3 {timediff('2000-03-02','1999-01-31')} {+0001-01-00 00:00:00.000}
+datetest 3.4 {timediff('1999-01-31','2000-03-02')} {-0001-01-02 00:00:00.000}
+
+unset -nocomplain p1
+unset -nocomplain p2
+set p1 {
+ 0 {-4713-11-24 12:00:00}
+ 1 {-2000-04-30 05:19:26}
+ 2 {0000-01-01 12:34:56}
+ 3 {1776-07-04 13:00:00}
+ 4 {1969-07-20 20:17}
+ 5 {2440587.5}
+ 6 {2000-05-29 14:26}
+ 7 {2023-05-29 18:11}
+ 8 {2050-05-29 14:26}
+ 9 {4796-02-29 11:23:55.46}
+}
+set p2 {
+ A {1066-10-14}
+ B {1900-02-28 11:00}
+ C {1900-03-01 12:00}
+ D {1904-02-29 11:25}
+ E {2000-02-29 13:00}
+ E {2000-03-01 14:00}
+ F {2001-03-31 15:15}
+ G {2002-04-01 16:59}
+ H {2003-04-30 17:00}
+ I {2004-05-01 23:59:59}
+ J {2005-06-01}
+ K {2006-06-30 01:23:45}
+ L {2007-12-31 02:00}
+ M {2008-01-01 01:59}
+ N {3152-07-04 12:00}
+ P {9999-12-31 23:59:59}
+}
+
+foreach {x1 d1} $p1 {
+ foreach {x2 d2} $p2 {
+ set r1 [db one {SELECT datetime($d1)}]
+ do_execsql_test timediff-4-$x1$x2 {
+ SELECT datetime($d2, timediff($d1,$d2));
+ } [list $r1]
+ set r2 [db one {SELECT datetime($d2)}]
+ do_execsql_test timediff-4-$x2$x1 {
+ SELECT datetime($d1, timediff($d2,$d1));
+ } [list $r2]
+ }
+}
+
+# Partial time-diffs as modifiers
+#
+datetest 5-1 {datetime('2000-01-01','+0001-02-03')} {2001-03-04 00:00:00}
+datetest 5-2 {datetime('2000-01-01','+0001-02-03x')} {NULL}
+datetest 5-3 {datetime('2000-01-01','+0001-11-03')} {2001-12-04 00:00:00}
+datetest 5-4 {datetime('2000-01-01','+0001-12-03')} {NULL}
+datetest 5-5 {datetime('2000-01-01','+0001-02-30')} {2001-03-31 00:00:00}
+datetest 5-6 {datetime('2000-01-01','+0001-02-31')} {NULL}
+datetest 5-7 {datetime('2000-01-01','+0001-02-03 0')} {NULL}
+datetest 5-8 {datetime('2000-01-01','+0001-02-03 01')} {NULL}
+datetest 5-9 {datetime('2000-01-01','+0001-02-03 01:')} {NULL}
+datetest 5-10 {datetime('2000-01-01','+0001-02-03 01:0')} {NULL}
+datetest 5-11 {datetime('2000-01-01','+0001-02-03 01:02')} {2001-03-04 01:02:00}
+datetest 5-12 {datetime('2000-01-01','+0001-02-03 01:02:')} {NULL}
+datetest 5-13 {datetime('2000-01-01','+0001-02-03 01:02:0')} {NULL}
+datetest 5-14 {datetime('2000-01-01','+0001-02-03 01:02:03')} \
+ {2001-03-04 01:02:03}
+datetest 5-15 {datetime('2000-01-01','+0001-02-03 01:02:03.')} NULL
+datetest 5-16 {datetime('2000-01-01','+0001-02-03 01:02:03.5')} \
+ {2001-03-04 01:02:03}
+datetest 5-17 {datetime('2000-01-01','+0001-02-03 01:02:03.50')} \
+ {2001-03-04 01:02:03}
+datetest 5-18 {datetime('2000-01-01','+0001-02-03 01:02:03.500')} \
+ {2001-03-04 01:02:03}
+datetest 5-19 {datetime('2000-01-01','+0001-02-03 01:02:03.500x')} {NULL}
+datetest 5-20 {datetime('2000-01-01','+0001-02-03 01:02:03.500 x')} {NULL}
+
+unset -nocomplain p1
+unset -nocomplain p2
+set p1 {
+ a {2000-01-01 00:00:00}
+ b {2000-01-31 23:59:59}
+ c {2000-02-01 00:00:00}
+ d {2000-02-29 23:59:59}
+ e {2000-03-01 00:00:00}
+ f {2000-03-31 23:59:59}
+ g {2000-04-01 00:00:00}
+ h {2000-04-30 23:59:59}
+ i {2000-05-01 00:00:00}
+ j {2000-05-31 23:59:59}
+ k {2000-06-01 00:00:00}
+ l {2000-06-30 23:59:59}
+ m {2000-07-01 00:00:00}
+ n {2000-07-31 23:59:59}
+ o {2000-08-01 00:00:00}
+ p {2000-08-31 23:59:59}
+ q {2000-09-01 00:00:00}
+ r {2000-09-30 23:59:59}
+ s {2000-10-01 00:00:00}
+ t {2000-10-31 23:59:59}
+ u {2000-11-01 00:00:00}
+ v {2000-11-30 23:59:59}
+ w {2000-12-01 00:00:00}
+ x {2000-12-31 23:59:59}
+}
+set p2 {
+ A {2001-01-01 00:00:00}
+ B {2001-01-31 23:59:59}
+ C {2001-02-01 00:00:00}
+ D {2001-02-28 23:59:59}
+ E {2001-03-01 00:00:00}
+ F {2001-03-31 23:59:59}
+ G {2001-04-01 00:00:00}
+ H {2001-04-30 23:59:59}
+ I {2001-05-01 00:00:00}
+ J {2001-05-31 23:59:59}
+ K {2001-06-01 00:00:00}
+ L {2001-06-30 23:59:59}
+ M {2001-07-01 00:00:00}
+ N {2001-07-31 23:59:59}
+ O {2001-08-01 00:00:00}
+ P {2001-08-31 23:59:59}
+ Q {2001-09-01 00:00:00}
+ R {2001-09-30 23:59:59}
+ S {2001-10-01 00:00:00}
+ T {2001-10-31 23:59:59}
+ U {2001-11-01 00:00:00}
+ V {2001-11-30 23:59:59}
+ W {2001-12-01 00:00:00}
+ X {2001-12-31 23:59:59}
+}
+
+foreach {x1 d1} $p1 {
+ foreach {x2 d2} $p2 {
+ set r1 [db one {SELECT datetime($d1)}]
+ do_execsql_test timediff-6-$x1$x2 {
+ SELECT datetime($d2, timediff($d1,$d2));
+ } [list $r1]
+ set r2 [db one {SELECT datetime($d2)}]
+ do_execsql_test timediff-6-$x2$x1 {
+ SELECT datetime($d1, timediff($d2,$d1));
+ } [list $r2]
+ }
+}
+
+
+
+finish_test
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 04:18:08 +0000