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| author | Joel Courtney <euphemize@gmail.com> | 2021-03-15 22:28:31 +0000 |
|---|---|---|
| committer | Emmanuel Odeke <emmanuel@orijtech.com> | 2021-03-15 23:56:07 +0000 |
| commit | a9b3c4bd0602f95afc58328d9953534f5e5fe4f6 (patch) | |
| tree | 78f4086aa4f063ff967a2032928ea4ff4ae529b5 /src/time/time_test.go | |
| parent | d7cc2f1d7c60b51c600c7d0c808610985dcd9b0c (diff) | |
| download | go-a9b3c4bd0602f95afc58328d9953534f5e5fe4f6.tar.gz go-a9b3c4bd0602f95afc58328d9953534f5e5fe4f6.zip | |
time: add Time.IsDST() to check if its Location is in Daylight Savings Time
Fixes #42102
Change-Id: I2cd2fdf67c794c3e99ed1c24786f7f779da73962
GitHub-Last-Rev: bbfa92135734cbd55895012fa492e51686a7b58b
GitHub-Pull-Request: golang/go#42103
Reviewed-on: https://go-review.googlesource.com/c/go/+/264077
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Rob Pike <r@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Diffstat (limited to 'src/time/time_test.go')
| -rw-r--r-- | src/time/time_test.go | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/time/time_test.go b/src/time/time_test.go index 154198a1ce..8884731e1d 100644 --- a/src/time/time_test.go +++ b/src/time/time_test.go @@ -1465,3 +1465,39 @@ func TestConcurrentTimerResetStop(t *testing.T) { } wg.Wait() } + +func TestTimeIsDST(t *testing.T) { + ForceZipFileForTesting(true) + defer ForceZipFileForTesting(false) + + tzWithDST, err := LoadLocation("Australia/Sydney") + if err != nil { + t.Fatalf("could not load tz 'Australia/Sydney': %v", err) + } + tzWithoutDST, err := LoadLocation("Australia/Brisbane") + if err != nil { + t.Fatalf("could not load tz 'Australia/Brisbane': %v", err) + } + tzFixed := FixedZone("FIXED_TIME", 12345) + + tests := [...]struct { + time Time + want bool + }{ + 0: {Date(2009, 1, 1, 12, 0, 0, 0, UTC), false}, + 1: {Date(2009, 6, 1, 12, 0, 0, 0, UTC), false}, + 2: {Date(2009, 1, 1, 12, 0, 0, 0, tzWithDST), true}, + 3: {Date(2009, 6, 1, 12, 0, 0, 0, tzWithDST), false}, + 4: {Date(2009, 1, 1, 12, 0, 0, 0, tzWithoutDST), false}, + 5: {Date(2009, 6, 1, 12, 0, 0, 0, tzWithoutDST), false}, + 6: {Date(2009, 1, 1, 12, 0, 0, 0, tzFixed), false}, + 7: {Date(2009, 6, 1, 12, 0, 0, 0, tzFixed), false}, + } + + for i, tt := range tests { + got := tt.time.IsDST() + if got != tt.want { + t.Errorf("#%d:: (%#v).IsDST()=%t, want %t", i, tt.time.Format(RFC3339), got, tt.want) + } + } +} |