Adding upstream version 1.20.14.upstream/1.20.14upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 350 insertions, 0 deletions

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},
+		{"<A+B>+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)
+		}
+	}
+}