From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- src/time/zoneinfo_test.go | 350 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 350 insertions(+) create mode 100644 src/time/zoneinfo_test.go (limited to 'src/time/zoneinfo_test.go') diff --git a/src/time/zoneinfo_test.go b/src/time/zoneinfo_test.go new file mode 100644 index 0000000..8cd37b5 --- /dev/null +++ b/src/time/zoneinfo_test.go @@ -0,0 +1,350 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package time_test + +import ( + "errors" + "fmt" + "internal/testenv" + "os" + "reflect" + "testing" + "time" +) + +func init() { + if time.ZoneinfoForTesting() != nil { + panic(fmt.Errorf("zoneinfo initialized before first LoadLocation")) + } +} + +func TestEnvVarUsage(t *testing.T) { + time.ResetZoneinfoForTesting() + + const testZoneinfo = "foo.zip" + const env = "ZONEINFO" + + t.Setenv(env, testZoneinfo) + + // Result isn't important, we're testing the side effect of this command + time.LoadLocation("Asia/Jerusalem") + defer time.ResetZoneinfoForTesting() + + if zoneinfo := time.ZoneinfoForTesting(); testZoneinfo != *zoneinfo { + t.Errorf("zoneinfo does not match env variable: got %q want %q", *zoneinfo, testZoneinfo) + } +} + +func TestBadLocationErrMsg(t *testing.T) { + time.ResetZoneinfoForTesting() + loc := "Asia/SomethingNotExist" + want := errors.New("unknown time zone " + loc) + _, err := time.LoadLocation(loc) + if err.Error() != want.Error() { + t.Errorf("LoadLocation(%q) error = %v; want %v", loc, err, want) + } +} + +func TestLoadLocationValidatesNames(t *testing.T) { + time.ResetZoneinfoForTesting() + const env = "ZONEINFO" + t.Setenv(env, "") + + bad := []string{ + "/usr/foo/Foo", + "\\UNC\foo", + "..", + "a..", + } + for _, v := range bad { + _, err := time.LoadLocation(v) + if err != time.ErrLocation { + t.Errorf("LoadLocation(%q) error = %v; want ErrLocation", v, err) + } + } +} + +func TestVersion3(t *testing.T) { + undo := time.DisablePlatformSources() + defer undo() + _, err := time.LoadLocation("Asia/Jerusalem") + if err != nil { + t.Fatal(err) + } +} + +// Test that we get the correct results for times before the first +// transition time. To do this we explicitly check early dates in a +// couple of specific timezones. +func TestFirstZone(t *testing.T) { + undo := time.DisablePlatformSources() + defer undo() + + const format = "Mon, 02 Jan 2006 15:04:05 -0700 (MST)" + var tests = []struct { + zone string + unix int64 + want1 string + want2 string + }{ + { + "PST8PDT", + -1633269601, + "Sun, 31 Mar 1918 01:59:59 -0800 (PST)", + "Sun, 31 Mar 1918 03:00:00 -0700 (PDT)", + }, + { + "Pacific/Fakaofo", + 1325242799, + "Thu, 29 Dec 2011 23:59:59 -1100 (-11)", + "Sat, 31 Dec 2011 00:00:00 +1300 (+13)", + }, + } + + for _, test := range tests { + z, err := time.LoadLocation(test.zone) + if err != nil { + t.Fatal(err) + } + s := time.Unix(test.unix, 0).In(z).Format(format) + if s != test.want1 { + t.Errorf("for %s %d got %q want %q", test.zone, test.unix, s, test.want1) + } + s = time.Unix(test.unix+1, 0).In(z).Format(format) + if s != test.want2 { + t.Errorf("for %s %d got %q want %q", test.zone, test.unix, s, test.want2) + } + } +} + +func TestLocationNames(t *testing.T) { + if time.Local.String() != "Local" { + t.Errorf(`invalid Local location name: got %q want "Local"`, time.Local) + } + if time.UTC.String() != "UTC" { + t.Errorf(`invalid UTC location name: got %q want "UTC"`, time.UTC) + } +} + +func TestLoadLocationFromTZData(t *testing.T) { + undo := time.DisablePlatformSources() + defer undo() + + const locationName = "Asia/Jerusalem" + reference, err := time.LoadLocation(locationName) + if err != nil { + t.Fatal(err) + } + + gorootSource, ok := time.GorootZoneSource(testenv.GOROOT(t)) + if !ok { + t.Fatal("Failed to locate tzinfo source in GOROOT.") + } + tzinfo, err := time.LoadTzinfo(locationName, gorootSource) + if err != nil { + t.Fatal(err) + } + sample, err := time.LoadLocationFromTZData(locationName, tzinfo) + if err != nil { + t.Fatal(err) + } + + if !reflect.DeepEqual(reference, sample) { + t.Errorf("return values of LoadLocationFromTZData and LoadLocation don't match") + } +} + +// Issue 30099. +func TestEarlyLocation(t *testing.T) { + undo := time.DisablePlatformSources() + defer undo() + + const locName = "America/New_York" + loc, err := time.LoadLocation(locName) + if err != nil { + t.Fatal(err) + } + + d := time.Date(1900, time.January, 1, 0, 0, 0, 0, loc) + tzName, tzOffset := d.Zone() + if want := "EST"; tzName != want { + t.Errorf("Zone name == %s, want %s", tzName, want) + } + if want := -18000; tzOffset != want { + t.Errorf("Zone offset == %d, want %d", tzOffset, want) + } +} + +func TestMalformedTZData(t *testing.T) { + // The goal here is just that malformed tzdata results in an error, not a panic. + issue29437 := "TZif\x00000000000000000\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0000" + _, err := time.LoadLocationFromTZData("abc", []byte(issue29437)) + if err == nil { + t.Error("expected error, got none") + } +} + +var slimTests = []struct { + zoneName string + fileName string + date func(*time.Location) time.Time + wantName string + wantOffset int +}{ + { + // 2020b slim tzdata for Europe/Berlin. + zoneName: "Europe/Berlin", + fileName: "2020b_Europe_Berlin", + date: func(loc *time.Location) time.Time { return time.Date(2020, time.October, 29, 15, 30, 0, 0, loc) }, + wantName: "CET", + wantOffset: 3600, + }, + { + // 2021a slim tzdata for America/Nuuk. + zoneName: "America/Nuuk", + fileName: "2021a_America_Nuuk", + date: func(loc *time.Location) time.Time { return time.Date(2020, time.October, 29, 15, 30, 0, 0, loc) }, + wantName: "-03", + wantOffset: -10800, + }, + { + // 2021a slim tzdata for Asia/Gaza. + zoneName: "Asia/Gaza", + fileName: "2021a_Asia_Gaza", + date: func(loc *time.Location) time.Time { return time.Date(2020, time.October, 29, 15, 30, 0, 0, loc) }, + wantName: "EET", + wantOffset: 7200, + }, + { + // 2021a slim tzdata for Europe/Dublin. + zoneName: "Europe/Dublin", + fileName: "2021a_Europe_Dublin", + date: func(loc *time.Location) time.Time { return time.Date(2021, time.April, 2, 11, 12, 13, 0, loc) }, + wantName: "IST", + wantOffset: 3600, + }, +} + +func TestLoadLocationFromTZDataSlim(t *testing.T) { + for _, test := range slimTests { + tzData, err := os.ReadFile("testdata/" + test.fileName) + if err != nil { + t.Error(err) + continue + } + reference, err := time.LoadLocationFromTZData(test.zoneName, tzData) + if err != nil { + t.Error(err) + continue + } + + d := test.date(reference) + tzName, tzOffset := d.Zone() + if tzName != test.wantName { + t.Errorf("Zone name == %s, want %s", tzName, test.wantName) + } + if tzOffset != test.wantOffset { + t.Errorf("Zone offset == %d, want %d", tzOffset, test.wantOffset) + } + } +} + +func TestTzset(t *testing.T) { + for _, test := range []struct { + inStr string + inEnd int64 + inSec int64 + name string + off int + start int64 + end int64 + isDST bool + ok bool + }{ + {"", 0, 0, "", 0, 0, 0, false, false}, + {"PST8PDT,M3.2.0,M11.1.0", 0, 2159200800, "PDT", -7 * 60 * 60, 2152173600, 2172733200, true, true}, + {"PST8PDT,M3.2.0,M11.1.0", 0, 2152173599, "PST", -8 * 60 * 60, 2145916800, 2152173600, false, true}, + {"PST8PDT,M3.2.0,M11.1.0", 0, 2152173600, "PDT", -7 * 60 * 60, 2152173600, 2172733200, true, true}, + {"PST8PDT,M3.2.0,M11.1.0", 0, 2152173601, "PDT", -7 * 60 * 60, 2152173600, 2172733200, true, true}, + {"PST8PDT,M3.2.0,M11.1.0", 0, 2172733199, "PDT", -7 * 60 * 60, 2152173600, 2172733200, true, true}, + {"PST8PDT,M3.2.0,M11.1.0", 0, 2172733200, "PST", -8 * 60 * 60, 2172733200, 2177452800, false, true}, + {"PST8PDT,M3.2.0,M11.1.0", 0, 2172733201, "PST", -8 * 60 * 60, 2172733200, 2177452800, false, true}, + {"KST-9", 592333200, 1677246697, "KST", 9 * 60 * 60, 592333200, 1<<63 - 1, false, true}, + } { + name, off, start, end, isDST, ok := time.Tzset(test.inStr, test.inEnd, test.inSec) + if name != test.name || off != test.off || start != test.start || end != test.end || isDST != test.isDST || ok != test.ok { + t.Errorf("tzset(%q, %d, %d) = %q, %d, %d, %d, %t, %t, want %q, %d, %d, %d, %t, %t", test.inStr, test.inEnd, test.inSec, name, off, start, end, isDST, ok, test.name, test.off, test.start, test.end, test.isDST, test.ok) + } + } +} + +func TestTzsetName(t *testing.T) { + for _, test := range []struct { + in string + name string + out string + ok bool + }{ + {"", "", "", false}, + {"X", "", "", false}, + {"PST", "PST", "", true}, + {"PST8PDT", "PST", "8PDT", true}, + {"PST-08", "PST", "-08", true}, + {"+08", "A+B", "+08", true}, + } { + name, out, ok := time.TzsetName(test.in) + if name != test.name || out != test.out || ok != test.ok { + t.Errorf("tzsetName(%q) = %q, %q, %t, want %q, %q, %t", test.in, name, out, ok, test.name, test.out, test.ok) + } + } +} + +func TestTzsetOffset(t *testing.T) { + for _, test := range []struct { + in string + off int + out string + ok bool + }{ + {"", 0, "", false}, + {"X", 0, "", false}, + {"+", 0, "", false}, + {"+08", 8 * 60 * 60, "", true}, + {"-01:02:03", -1*60*60 - 2*60 - 3, "", true}, + {"01", 1 * 60 * 60, "", true}, + {"100", 100 * 60 * 60, "", true}, + {"1000", 0, "", false}, + {"8PDT", 8 * 60 * 60, "PDT", true}, + } { + off, out, ok := time.TzsetOffset(test.in) + if off != test.off || out != test.out || ok != test.ok { + t.Errorf("tzsetName(%q) = %d, %q, %t, want %d, %q, %t", test.in, off, out, ok, test.off, test.out, test.ok) + } + } +} + +func TestTzsetRule(t *testing.T) { + for _, test := range []struct { + in string + r time.Rule + out string + ok bool + }{ + {"", time.Rule{}, "", false}, + {"X", time.Rule{}, "", false}, + {"J10", time.Rule{Kind: time.RuleJulian, Day: 10, Time: 2 * 60 * 60}, "", true}, + {"20", time.Rule{Kind: time.RuleDOY, Day: 20, Time: 2 * 60 * 60}, "", true}, + {"M1.2.3", time.Rule{Kind: time.RuleMonthWeekDay, Mon: 1, Week: 2, Day: 3, Time: 2 * 60 * 60}, "", true}, + {"30/03:00:00", time.Rule{Kind: time.RuleDOY, Day: 30, Time: 3 * 60 * 60}, "", true}, + {"M4.5.6/03:00:00", time.Rule{Kind: time.RuleMonthWeekDay, Mon: 4, Week: 5, Day: 6, Time: 3 * 60 * 60}, "", true}, + {"M4.5.7/03:00:00", time.Rule{}, "", false}, + {"M4.5.6/-04", time.Rule{Kind: time.RuleMonthWeekDay, Mon: 4, Week: 5, Day: 6, Time: -4 * 60 * 60}, "", true}, + } { + r, out, ok := time.TzsetRule(test.in) + if r != test.r || out != test.out || ok != test.ok { + t.Errorf("tzsetName(%q) = %#v, %q, %t, want %#v, %q, %t", test.in, r, out, ok, test.r, test.out, test.ok) + } + } +} -- cgit v1.2.3