David T. Lewis uploaded a new version of Chronology-Tests to project The Trunk: http://source.squeak.org/trunk/Chronology-Tests-dtl.20.mcz
==================== Summary ====================
Name: Chronology-Tests-dtl.20 Author: dtl Time: 27 January 2019, 6:02:53.312815 pm UUID: 005bcc36-75cd-4ade-82b4-9cbef7dbf8fb Ancestors: Chronology-Tests-dtl.19
Add TimespanTest>>testBeCanonical to document the behavior as implemented in Chronology prior to the recent UTC updates.
=============== Diff against Chronology-Tests-dtl.19 ===============
Item was added: + ----- Method: TimespanTest>>testBeCanonical (in category 'Tests') ----- + testBeCanonical + + | start ts1 ts2 ts3 | + start := '2019-01-27T17:11:40.061188-05:00' asDateAndTime. + ts1 := Timespan starting: start duration: 123456 seconds. + ts2 := ts1 deepCopy. + ts3 := ts2 beCanonical. + self assert: ts2 + identical: ts3 + description: 'beCanonical modifies the receiver, not a copy thereof'. + self deny: ts3 = ts1. + self assert: '2019-01-27T17:11:40.061188-05:00' asDateAndTime + equals: ts1 start + description: 'original timespan start is not modified'. + self assert: ts1 duration + equals: ts3 duration + description: 'duration does not change'. + self assert: '2019-01-27T17:11:40.061188+00:00' asDateAndTime + equals: ts3 start. + self deny: ts1 start = ts3 start + description: 'magnitude of start time is changed'. + self assert: 5 hours + equals: start - ts3 start + description: 'magnitude of start time is changed'. + self assert: 0 seconds + equals: ts3 start offset + description: 'time zone offset is zero'. + self assert: 5 hours negated + equals: ts1 start offset + description: 'original timezone was -18000'. + !
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