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authorjan.nijtmans <nijtmans@users.sourceforge.net>2023-09-15 06:27:39 (GMT)
committerjan.nijtmans <nijtmans@users.sourceforge.net>2023-09-15 06:27:39 (GMT)
commit7539841ffd6ed3122986a4aef9fc0b60e477c607 (patch)
treec6bd2858a3640b4ce87297c427f1c80a1cf177ce /tests/clock.test
parent1cee49ead8bc5aef05af90885883c758e46f928c (diff)
parent39c9ae29d9fb0b0f6935081aae95607f8d2de414 (diff)
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Merge 8.6
Diffstat (limited to 'tests/clock.test')
-rw-r--r--tests/clock.test14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/clock.test b/tests/clock.test
index 4bac104..3f20607 100644
--- a/tests/clock.test
+++ b/tests/clock.test
@@ -18596,6 +18596,20 @@ test clock-7.9 {Julian Day, two values} {
clock scan {2440588 2440589} -format {%J %J} -gmt true
} 86400
+test clock-7.10 {Julian Day, negative amount} {
+ # Note: %J does not accept negative input;
+ # add negative amounts to Julian day 0 instead
+ set s0 [clock scan 0 -format %J -gmt true]
+ set J0 [scan [clock format $s0 -format %J -gmt true] %lld]
+ set s0m1d [clock add $s0 -1 days]
+ set s0m24h [clock add $s0 -24 hours]
+ set J0m24h [scan [clock format $s0m24h -format %J -gmt true] %lld]
+ set s0m1s [clock add $s0 -1 seconds]
+ set J0m1s [scan [clock format $s0m1s -format %J -gmt true] %lld]
+ list $s0m1d $s0m24h $J0m24h $s0m1s $J0m1s $s0 $J0 \
+ [::tcl::mathop::== $s0m1d $s0m24h] [::tcl::mathop::== $J0m24h $J0m1s]
+} [list -210866889600 -210866889600 -1 -210866803201 -1 -210866803200 0 1 1]
+
# BEGIN testcases8
# Test parsing of ccyymmdd