test intervals
- test nanoseconds
1980-12-12 12:12:12.123456789
1980-12-12 12:12:12.123456700
1980-12-12 12:12:12.123456789
1930-12-12 12:12:12.123456789
1930-12-12 12:12:12.123456700
2220-12-12 12:12:12.123456789
2220-12-12 12:12:12.123456700
- test microseconds
1980-12-12 12:12:12.123456
1980-12-12 12:12:12.123400
1980-12-12 12:12:12.123456
1980-12-12 12:12:12.123456
1930-12-12 12:12:12.123456
1930-12-12 12:12:12.123400
1930-12-12 12:12:12.123456
2220-12-12 12:12:12.123456
2220-12-12 12:12:12.123400
2220-12-12 12:12:12.123456
- test milliseconds
1980-12-12 12:12:12.123
1980-12-12 12:12:12.120
1980-12-12 12:12:12.123
1980-12-12 12:12:12.123
1930-12-12 12:12:12.123
1930-12-12 12:12:12.120
1930-12-12 12:12:12.123
2220-12-12 12:12:12.123
2220-12-12 12:12:12.120
2220-12-12 12:12:12.123
test add[...]seconds()
- test nanoseconds
1980-12-12 12:12:12.123456790
1980-12-12 12:12:12.123456701
1980-12-12 12:12:12.123456790
1930-12-12 12:12:12.123456790
1930-12-12 12:12:12.123456701
2220-12-12 12:12:12.123456790
2220-12-12 12:12:12.123456701
- test microseconds
1980-12-12 12:12:12.123457
1980-12-12 12:12:12.123401
1980-12-12 12:12:12.12345778
1980-12-12 12:12:12.123457
1930-12-12 12:12:12.123457
1930-12-12 12:12:12.123401
1930-12-12 12:12:12.12345778
2220-12-12 12:12:12.123457
2220-12-12 12:12:12.123401
2220-12-12 12:12:12.12345778
- test milliseconds
1980-12-12 12:12:12.124
1980-12-12 12:12:12.121
1980-12-12 12:12:12.124456
1980-12-12 12:12:12.124
1930-12-12 12:12:12.124
1930-12-12 12:12:12.121
1930-12-12 12:12:12.124456
2220-12-12 12:12:12.124
2220-12-12 12:12:12.121
2220-12-12 12:12:12.124456