diff options
Diffstat (limited to 'src/pkg/time/time_test.go')
-rw-r--r-- | src/pkg/time/time_test.go | 695 |
1 files changed, 582 insertions, 113 deletions
diff --git a/src/pkg/time/time_test.go b/src/pkg/time/time_test.go index dceed491a..3430526b8 100644 --- a/src/pkg/time/time_test.go +++ b/src/pkg/time/time_test.go @@ -5,7 +5,11 @@ package time_test import ( - "os" + "bytes" + "encoding/gob" + "encoding/json" + "fmt" + "math/rand" "strconv" "strings" "testing" @@ -13,84 +17,93 @@ import ( . "time" ) -func init() { - // Force US Pacific time for daylight-savings - // tests below (localtests). Needs to be set - // before the first call into the time library. - os.Setenv("TZ", "America/Los_Angeles") -} - // We should be in PST/PDT, but if the time zone files are missing we // won't be. The purpose of this test is to at least explain why some of // the subsequent tests fail. func TestZoneData(t *testing.T) { - lt := LocalTime() + lt := Now() // PST is 8 hours west, PDT is 7 hours west. We could use the name but it's not unique. - if off := lt.ZoneOffset; off != -8*60*60 && off != -7*60*60 { - t.Errorf("Unable to find US Pacific time zone data for testing; time zone is %q offset %d", lt.Zone, off) + if name, off := lt.Zone(); off != -8*60*60 && off != -7*60*60 { + t.Errorf("Unable to find US Pacific time zone data for testing; time zone is %q offset %d", name, off) t.Error("Likely problem: the time zone files have not been installed.") } } +// parsedTime is the struct representing a parsed time value. +type parsedTime struct { + Year int + Month Month + Day int + Hour, Minute, Second int // 15:04:05 is 15, 4, 5. + Nanosecond int // Fractional second. + Weekday Weekday + ZoneOffset int // seconds east of UTC, e.g. -7*60*60 for -0700 + Zone string // e.g., "MST" +} + type TimeTest struct { seconds int64 - golden Time + golden parsedTime } var utctests = []TimeTest{ - {0, Time{1970, 1, 1, 0, 0, 0, 0, Thursday, 0, "UTC"}}, - {1221681866, Time{2008, 9, 17, 20, 4, 26, 0, Wednesday, 0, "UTC"}}, - {-1221681866, Time{1931, 4, 16, 3, 55, 34, 0, Thursday, 0, "UTC"}}, - {-11644473600, Time{1601, 1, 1, 0, 0, 0, 0, Monday, 0, "UTC"}}, - {599529660, Time{1988, 12, 31, 0, 1, 0, 0, Saturday, 0, "UTC"}}, - {978220860, Time{2000, 12, 31, 0, 1, 0, 0, Sunday, 0, "UTC"}}, - {1e18, Time{31688740476, 10, 23, 1, 46, 40, 0, Friday, 0, "UTC"}}, - {-1e18, Time{-31688736537, 3, 10, 22, 13, 20, 0, Tuesday, 0, "UTC"}}, - {0x7fffffffffffffff, Time{292277026596, 12, 4, 15, 30, 7, 0, Sunday, 0, "UTC"}}, - {-0x8000000000000000, Time{-292277022657, 1, 27, 8, 29, 52, 0, Sunday, 0, "UTC"}}, + {0, parsedTime{1970, January, 1, 0, 0, 0, 0, Thursday, 0, "UTC"}}, + {1221681866, parsedTime{2008, September, 17, 20, 4, 26, 0, Wednesday, 0, "UTC"}}, + {-1221681866, parsedTime{1931, April, 16, 3, 55, 34, 0, Thursday, 0, "UTC"}}, + {-11644473600, parsedTime{1601, January, 1, 0, 0, 0, 0, Monday, 0, "UTC"}}, + {599529660, parsedTime{1988, December, 31, 0, 1, 0, 0, Saturday, 0, "UTC"}}, + {978220860, parsedTime{2000, December, 31, 0, 1, 0, 0, Sunday, 0, "UTC"}}, } var nanoutctests = []TimeTest{ - {0, Time{1970, 1, 1, 0, 0, 0, 1e8, Thursday, 0, "UTC"}}, - {1221681866, Time{2008, 9, 17, 20, 4, 26, 2e8, Wednesday, 0, "UTC"}}, + {0, parsedTime{1970, January, 1, 0, 0, 0, 1e8, Thursday, 0, "UTC"}}, + {1221681866, parsedTime{2008, September, 17, 20, 4, 26, 2e8, Wednesday, 0, "UTC"}}, } var localtests = []TimeTest{ - {0, Time{1969, 12, 31, 16, 0, 0, 0, Wednesday, -8 * 60 * 60, "PST"}}, - {1221681866, Time{2008, 9, 17, 13, 4, 26, 0, Wednesday, -7 * 60 * 60, "PDT"}}, + {0, parsedTime{1969, December, 31, 16, 0, 0, 0, Wednesday, -8 * 60 * 60, "PST"}}, + {1221681866, parsedTime{2008, September, 17, 13, 4, 26, 0, Wednesday, -7 * 60 * 60, "PDT"}}, } var nanolocaltests = []TimeTest{ - {0, Time{1969, 12, 31, 16, 0, 0, 1e8, Wednesday, -8 * 60 * 60, "PST"}}, - {1221681866, Time{2008, 9, 17, 13, 4, 26, 3e8, Wednesday, -7 * 60 * 60, "PDT"}}, -} - -func same(t, u *Time) bool { - return t.Year == u.Year && - t.Month == u.Month && - t.Day == u.Day && - t.Hour == u.Hour && - t.Minute == u.Minute && - t.Second == u.Second && - t.Nanosecond == u.Nanosecond && - t.Weekday == u.Weekday && - t.ZoneOffset == u.ZoneOffset && - t.Zone == u.Zone + {0, parsedTime{1969, December, 31, 16, 0, 0, 1e8, Wednesday, -8 * 60 * 60, "PST"}}, + {1221681866, parsedTime{2008, September, 17, 13, 4, 26, 3e8, Wednesday, -7 * 60 * 60, "PDT"}}, +} + +func same(t Time, u *parsedTime) bool { + // Check aggregates. + year, month, day := t.Date() + hour, min, sec := t.Clock() + name, offset := t.Zone() + if year != u.Year || month != u.Month || day != u.Day || + hour != u.Hour || min != u.Minute || sec != u.Second || + name != u.Zone || offset != u.ZoneOffset { + return false + } + // Check individual entries. + return t.Year() == u.Year && + t.Month() == u.Month && + t.Day() == u.Day && + t.Hour() == u.Hour && + t.Minute() == u.Minute && + t.Second() == u.Second && + t.Nanosecond() == u.Nanosecond && + t.Weekday() == u.Weekday } func TestSecondsToUTC(t *testing.T) { for _, test := range utctests { sec := test.seconds golden := &test.golden - tm := SecondsToUTC(sec) - newsec := tm.Seconds() + tm := Unix(sec, 0).UTC() + newsec := tm.Unix() if newsec != sec { t.Errorf("SecondsToUTC(%d).Seconds() = %d", sec, newsec) } if !same(tm, golden) { - t.Errorf("SecondsToUTC(%d):", sec) + t.Errorf("SecondsToUTC(%d): // %#v", sec, tm) t.Errorf(" want=%+v", *golden) - t.Errorf(" have=%+v", *tm) + t.Errorf(" have=%v", tm.Format(RFC3339+" MST")) } } } @@ -99,15 +112,15 @@ func TestNanosecondsToUTC(t *testing.T) { for _, test := range nanoutctests { golden := &test.golden nsec := test.seconds*1e9 + int64(golden.Nanosecond) - tm := NanosecondsToUTC(nsec) - newnsec := tm.Nanoseconds() + tm := Unix(0, nsec).UTC() + newnsec := tm.Unix()*1e9 + int64(tm.Nanosecond()) if newnsec != nsec { t.Errorf("NanosecondsToUTC(%d).Nanoseconds() = %d", nsec, newnsec) } if !same(tm, golden) { t.Errorf("NanosecondsToUTC(%d):", nsec) t.Errorf(" want=%+v", *golden) - t.Errorf(" have=%+v", *tm) + t.Errorf(" have=%+v", tm.Format(RFC3339+" MST")) } } } @@ -116,38 +129,38 @@ func TestSecondsToLocalTime(t *testing.T) { for _, test := range localtests { sec := test.seconds golden := &test.golden - tm := SecondsToLocalTime(sec) - newsec := tm.Seconds() + tm := Unix(sec, 0) + newsec := tm.Unix() if newsec != sec { t.Errorf("SecondsToLocalTime(%d).Seconds() = %d", sec, newsec) } if !same(tm, golden) { t.Errorf("SecondsToLocalTime(%d):", sec) t.Errorf(" want=%+v", *golden) - t.Errorf(" have=%+v", *tm) + t.Errorf(" have=%+v", tm.Format(RFC3339+" MST")) } } } -func TestNanoecondsToLocalTime(t *testing.T) { +func TestNanosecondsToLocalTime(t *testing.T) { for _, test := range nanolocaltests { golden := &test.golden nsec := test.seconds*1e9 + int64(golden.Nanosecond) - tm := NanosecondsToLocalTime(nsec) - newnsec := tm.Nanoseconds() + tm := Unix(0, nsec) + newnsec := tm.Unix()*1e9 + int64(tm.Nanosecond()) if newnsec != nsec { t.Errorf("NanosecondsToLocalTime(%d).Seconds() = %d", nsec, newnsec) } if !same(tm, golden) { t.Errorf("NanosecondsToLocalTime(%d):", nsec) t.Errorf(" want=%+v", *golden) - t.Errorf(" have=%+v", *tm) + t.Errorf(" have=%+v", tm.Format(RFC3339+" MST")) } } } func TestSecondsToUTCAndBack(t *testing.T) { - f := func(sec int64) bool { return SecondsToUTC(sec).Seconds() == sec } + f := func(sec int64) bool { return Unix(sec, 0).UTC().Unix() == sec } f32 := func(sec int32) bool { return f(int64(sec)) } cfg := &quick.Config{MaxCount: 10000} @@ -161,7 +174,11 @@ func TestSecondsToUTCAndBack(t *testing.T) { } func TestNanosecondsToUTCAndBack(t *testing.T) { - f := func(nsec int64) bool { return NanosecondsToUTC(nsec).Nanoseconds() == nsec } + f := func(nsec int64) bool { + t := Unix(0, nsec).UTC() + ns := t.Unix()*1e9 + int64(t.Nanosecond()) + return ns == nsec + } f32 := func(nsec int32) bool { return f(int64(nsec)) } cfg := &quick.Config{MaxCount: 10000} @@ -181,9 +198,9 @@ type TimeFormatTest struct { } var rfc3339Formats = []TimeFormatTest{ - {Time{2008, 9, 17, 20, 4, 26, 0, Wednesday, 0, "UTC"}, "2008-09-17T20:04:26Z"}, - {Time{1994, 9, 17, 20, 4, 26, 0, Wednesday, -18000, "EST"}, "1994-09-17T20:04:26-05:00"}, - {Time{2000, 12, 26, 1, 15, 6, 0, Wednesday, 15600, "OTO"}, "2000-12-26T01:15:06+04:20"}, + {Date(2008, 9, 17, 20, 4, 26, 0, UTC), "2008-09-17T20:04:26Z"}, + {Date(1994, 9, 17, 20, 4, 26, 0, FixedZone("EST", -18000)), "1994-09-17T20:04:26-05:00"}, + {Date(2000, 12, 26, 1, 15, 6, 0, FixedZone("OTO", 15600)), "2000-12-26T01:15:06+04:20"}, } func TestRFC3339Conversion(t *testing.T) { @@ -209,7 +226,9 @@ var formatTests = []FormatTest{ {"RFC822", RFC822, "04 Feb 09 2100 PST"}, {"RFC850", RFC850, "Wednesday, 04-Feb-09 21:00:57 PST"}, {"RFC1123", RFC1123, "Wed, 04 Feb 2009 21:00:57 PST"}, + {"RFC1123Z", RFC1123Z, "Wed, 04 Feb 2009 21:00:57 -0800"}, {"RFC3339", RFC3339, "2009-02-04T21:00:57-08:00"}, + {"RFC3339Nano", RFC3339Nano, "2009-02-04T21:00:57.0123456-08:00"}, {"Kitchen", Kitchen, "9:00PM"}, {"am/pm", "3pm", "9pm"}, {"AM/PM", "3PM", "9PM"}, @@ -218,12 +237,12 @@ var formatTests = []FormatTest{ {"Stamp", Stamp, "Feb 4 21:00:57"}, {"StampMilli", StampMilli, "Feb 4 21:00:57.012"}, {"StampMicro", StampMicro, "Feb 4 21:00:57.012345"}, - {"StampNano", StampNano, "Feb 4 21:00:57.012345678"}, + {"StampNano", StampNano, "Feb 4 21:00:57.012345600"}, } func TestFormat(t *testing.T) { - // The numeric time represents Thu Feb 4 21:00:57.012345678 PST 2010 - time := NanosecondsToLocalTime(1233810057012345678) + // The numeric time represents Thu Feb 4 21:00:57.012345600 PST 2010 + time := Unix(0, 1233810057012345600) for _, test := range formatTests { result := time.Format(test.format) if result != test.result { @@ -232,14 +251,46 @@ func TestFormat(t *testing.T) { } } +func TestFormatShortYear(t *testing.T) { + years := []int{ + -100001, -100000, -99999, + -10001, -10000, -9999, + -1001, -1000, -999, + -101, -100, -99, + -11, -10, -9, + -1, 0, 1, + 9, 10, 11, + 99, 100, 101, + 999, 1000, 1001, + 9999, 10000, 10001, + 99999, 100000, 100001, + } + + for _, y := range years { + time := Date(y, January, 1, 0, 0, 0, 0, UTC) + result := time.Format("2006.01.02") + var want string + if y < 0 { + // The 4 in %04d counts the - sign, so print -y instead + // and introduce our own - sign. + want = fmt.Sprintf("-%04d.%02d.%02d", -y, 1, 1) + } else { + want = fmt.Sprintf("%04d.%02d.%02d", y, 1, 1) + } + if result != want { + t.Errorf("(jan 1 %d).Format(\"2006.01.02\") = %q, want %q", y, result, want) + } + } +} + type ParseTest struct { name string format string value string - hasTZ bool // contains a time zone - hasWD bool // contains a weekday - yearSign int64 // sign of year - fracDigits int // number of digits of fractional second + hasTZ bool // contains a time zone + hasWD bool // contains a weekday + yearSign int // sign of year + fracDigits int // number of digits of fractional second } var parseTests = []ParseTest{ @@ -248,6 +299,7 @@ var parseTests = []ParseTest{ {"RubyDate", RubyDate, "Thu Feb 04 21:00:57 -0800 2010", true, true, 1, 0}, {"RFC850", RFC850, "Thursday, 04-Feb-10 21:00:57 PST", true, true, 1, 0}, {"RFC1123", RFC1123, "Thu, 04 Feb 2010 21:00:57 PST", true, true, 1, 0}, + {"RFC1123Z", RFC1123Z, "Thu, 04 Feb 2010 21:00:57 -0800", true, true, 1, 0}, {"RFC3339", RFC3339, "2010-02-04T21:00:57-08:00", true, false, 1, 0}, {"custom: \"2006-01-02 15:04:05-07\"", "2006-01-02 15:04:05-07", "2010-02-04 21:00:57-08", true, false, 1, 0}, // Optional fractional seconds. @@ -256,10 +308,14 @@ var parseTests = []ParseTest{ {"RubyDate", RubyDate, "Thu Feb 04 21:00:57.012 -0800 2010", true, true, 1, 3}, {"RFC850", RFC850, "Thursday, 04-Feb-10 21:00:57.0123 PST", true, true, 1, 4}, {"RFC1123", RFC1123, "Thu, 04 Feb 2010 21:00:57.01234 PST", true, true, 1, 5}, + {"RFC1123Z", RFC1123Z, "Thu, 04 Feb 2010 21:00:57.01234 -0800", true, true, 1, 5}, {"RFC3339", RFC3339, "2010-02-04T21:00:57.012345678-08:00", true, false, 1, 9}, // Amount of white space should not matter. {"ANSIC", ANSIC, "Thu Feb 4 21:00:57 2010", false, true, 1, 0}, {"ANSIC", ANSIC, "Thu Feb 4 21:00:57 2010", false, true, 1, 0}, + // Case should not matter + {"ANSIC", ANSIC, "THU FEB 4 21:00:57 2010", false, true, 1, 0}, + {"ANSIC", ANSIC, "thu feb 4 21:00:57 2010", false, true, 1, 0}, // Fractional seconds. {"millisecond", "Mon Jan _2 15:04:05.000 2006", "Thu Feb 4 21:00:57.012 2010", false, true, 1, 3}, {"microsecond", "Mon Jan _2 15:04:05.000000 2006", "Thu Feb 4 21:00:57.012345 2010", false, true, 1, 6}, @@ -300,47 +356,48 @@ func TestRubyParse(t *testing.T) { } } -func checkTime(time *Time, test *ParseTest, t *testing.T) { +func checkTime(time Time, test *ParseTest, t *testing.T) { // The time should be Thu Feb 4 21:00:57 PST 2010 - if test.yearSign*time.Year != 2010 { - t.Errorf("%s: bad year: %d not %d", test.name, time.Year, 2010) + if test.yearSign*time.Year() != 2010 { + t.Errorf("%s: bad year: %d not %d", test.name, time.Year(), 2010) } - if time.Month != 2 { - t.Errorf("%s: bad month: %d not %d", test.name, time.Month, 2) + if time.Month() != February { + t.Errorf("%s: bad month: %s not %s", test.name, time.Month(), February) } - if time.Day != 4 { - t.Errorf("%s: bad day: %d not %d", test.name, time.Day, 4) + if time.Day() != 4 { + t.Errorf("%s: bad day: %d not %d", test.name, time.Day(), 4) } - if time.Hour != 21 { - t.Errorf("%s: bad hour: %d not %d", test.name, time.Hour, 21) + if time.Hour() != 21 { + t.Errorf("%s: bad hour: %d not %d", test.name, time.Hour(), 21) } - if time.Minute != 0 { - t.Errorf("%s: bad minute: %d not %d", test.name, time.Minute, 0) + if time.Minute() != 0 { + t.Errorf("%s: bad minute: %d not %d", test.name, time.Minute(), 0) } - if time.Second != 57 { - t.Errorf("%s: bad second: %d not %d", test.name, time.Second, 57) + if time.Second() != 57 { + t.Errorf("%s: bad second: %d not %d", test.name, time.Second(), 57) } // Nanoseconds must be checked against the precision of the input. - nanosec, err := strconv.Atoui("012345678"[:test.fracDigits] + "000000000"[:9-test.fracDigits]) + nanosec, err := strconv.ParseUint("012345678"[:test.fracDigits]+"000000000"[:9-test.fracDigits], 10, 0) if err != nil { panic(err) } - if time.Nanosecond != int(nanosec) { - t.Errorf("%s: bad nanosecond: %d not %d", test.name, time.Nanosecond, nanosec) + if time.Nanosecond() != int(nanosec) { + t.Errorf("%s: bad nanosecond: %d not %d", test.name, time.Nanosecond(), nanosec) } - if test.hasTZ && time.ZoneOffset != -28800 { - t.Errorf("%s: bad tz offset: %d not %d", test.name, time.ZoneOffset, -28800) + name, offset := time.Zone() + if test.hasTZ && offset != -28800 { + t.Errorf("%s: bad tz offset: %s %d not %d", test.name, name, offset, -28800) } - if test.hasWD && time.Weekday != 4 { - t.Errorf("%s: bad weekday: %d not %d", test.name, time.Weekday, 4) + if test.hasWD && time.Weekday() != Thursday { + t.Errorf("%s: bad weekday: %s not %s", test.name, time.Weekday(), Thursday) } } func TestFormatAndParse(t *testing.T) { const fmt = "Mon MST " + RFC3339 // all fields f := func(sec int64) bool { - t1 := SecondsToLocalTime(sec) - if t1.Year < 1000 || t1.Year > 9999 { + t1 := Unix(sec, 0) + if t1.Year() < 1000 || t1.Year() > 9999 { // not required to work return true } @@ -349,8 +406,8 @@ func TestFormatAndParse(t *testing.T) { t.Errorf("error: %s", err) return false } - if !same(t1, t2) { - t.Errorf("different: %q %q", t1, t2) + if t1.Unix() != t2.Unix() || t1.Nanosecond() != t2.Nanosecond() { + t.Errorf("FormatAndParse %d: %q(%d) %q(%d)", sec, t1, t1.Unix(), t2, t2.Unix()) return false } return true @@ -389,14 +446,14 @@ func TestParseErrors(t *testing.T) { _, err := Parse(test.format, test.value) if err == nil { t.Errorf("expected error for %q %q", test.format, test.value) - } else if strings.Index(err.String(), test.expect) < 0 { + } else if strings.Index(err.Error(), test.expect) < 0 { t.Errorf("expected error with %q for %q %q; got %s", test.expect, test.format, test.value, err) } } } func TestNoonIs12PM(t *testing.T) { - noon := Time{Hour: 12} + noon := Date(0, January, 1, 12, 0, 0, 0, UTC) const expect = "12:00PM" got := noon.Format("3:04PM") if got != expect { @@ -409,7 +466,7 @@ func TestNoonIs12PM(t *testing.T) { } func TestMidnightIs12AM(t *testing.T) { - midnight := Time{Hour: 0} + midnight := Date(0, January, 1, 0, 0, 0, 0, UTC) expect := "12:00AM" got := midnight.Format("3:04PM") if got != expect { @@ -426,15 +483,15 @@ func Test12PMIsNoon(t *testing.T) { if err != nil { t.Fatal("error parsing date:", err) } - if noon.Hour != 12 { - t.Errorf("got %d; expect 12", noon.Hour) + if noon.Hour() != 12 { + t.Errorf("got %d; expect 12", noon.Hour()) } noon, err = Parse("03:04PM", "12:00PM") if err != nil { t.Fatal("error parsing date:", err) } - if noon.Hour != 12 { - t.Errorf("got %d; expect 12", noon.Hour) + if noon.Hour() != 12 { + t.Errorf("got %d; expect 12", noon.Hour()) } } @@ -443,29 +500,29 @@ func Test12AMIsMidnight(t *testing.T) { if err != nil { t.Fatal("error parsing date:", err) } - if midnight.Hour != 0 { - t.Errorf("got %d; expect 0", midnight.Hour) + if midnight.Hour() != 0 { + t.Errorf("got %d; expect 0", midnight.Hour()) } midnight, err = Parse("03:04PM", "12:00AM") if err != nil { t.Fatal("error parsing date:", err) } - if midnight.Hour != 0 { - t.Errorf("got %d; expect 0", midnight.Hour) + if midnight.Hour() != 0 { + t.Errorf("got %d; expect 0", midnight.Hour()) } } // Check that a time without a Zone still produces a (numeric) time zone // when formatted with MST as a requested zone. func TestMissingZone(t *testing.T) { - time, err := Parse(RubyDate, "Tue Feb 02 16:10:03 -0500 2006") + time, err := Parse(RubyDate, "Thu Feb 02 16:10:03 -0500 2006") if err != nil { t.Fatal("error parsing date:", err) } - expect := "Tue Feb 2 16:10:03 -0500 2006" // -0500 not EST + expect := "Thu Feb 2 16:10:03 -0500 2006" // -0500 not EST str := time.Format(UnixDate) // uses MST as its time zone if str != expect { - t.Errorf("expected %q got %q", expect, str) + t.Errorf("got %s; expect %s", str, expect) } } @@ -475,25 +532,409 @@ func TestMinutesInTimeZone(t *testing.T) { t.Fatal("error parsing date:", err) } expected := (1*60 + 23) * 60 - if time.ZoneOffset != expected { - t.Errorf("ZoneOffset incorrect, expected %d got %d", expected, time.ZoneOffset) + _, offset := time.Zone() + if offset != expected { + t.Errorf("ZoneOffset = %d, want %d", offset, expected) + } +} + +type ISOWeekTest struct { + year int // year + month, day int // month and day + yex int // expected year + wex int // expected week +} + +var isoWeekTests = []ISOWeekTest{ + {1981, 1, 1, 1981, 1}, {1982, 1, 1, 1981, 53}, {1983, 1, 1, 1982, 52}, + {1984, 1, 1, 1983, 52}, {1985, 1, 1, 1985, 1}, {1986, 1, 1, 1986, 1}, + {1987, 1, 1, 1987, 1}, {1988, 1, 1, 1987, 53}, {1989, 1, 1, 1988, 52}, + {1990, 1, 1, 1990, 1}, {1991, 1, 1, 1991, 1}, {1992, 1, 1, 1992, 1}, + {1993, 1, 1, 1992, 53}, {1994, 1, 1, 1993, 52}, {1995, 1, 2, 1995, 1}, + {1996, 1, 1, 1996, 1}, {1996, 1, 7, 1996, 1}, {1996, 1, 8, 1996, 2}, + {1997, 1, 1, 1997, 1}, {1998, 1, 1, 1998, 1}, {1999, 1, 1, 1998, 53}, + {2000, 1, 1, 1999, 52}, {2001, 1, 1, 2001, 1}, {2002, 1, 1, 2002, 1}, + {2003, 1, 1, 2003, 1}, {2004, 1, 1, 2004, 1}, {2005, 1, 1, 2004, 53}, + {2006, 1, 1, 2005, 52}, {2007, 1, 1, 2007, 1}, {2008, 1, 1, 2008, 1}, + {2009, 1, 1, 2009, 1}, {2010, 1, 1, 2009, 53}, {2010, 1, 1, 2009, 53}, + {2011, 1, 1, 2010, 52}, {2011, 1, 2, 2010, 52}, {2011, 1, 3, 2011, 1}, + {2011, 1, 4, 2011, 1}, {2011, 1, 5, 2011, 1}, {2011, 1, 6, 2011, 1}, + {2011, 1, 7, 2011, 1}, {2011, 1, 8, 2011, 1}, {2011, 1, 9, 2011, 1}, + {2011, 1, 10, 2011, 2}, {2011, 1, 11, 2011, 2}, {2011, 6, 12, 2011, 23}, + {2011, 6, 13, 2011, 24}, {2011, 12, 25, 2011, 51}, {2011, 12, 26, 2011, 52}, + {2011, 12, 27, 2011, 52}, {2011, 12, 28, 2011, 52}, {2011, 12, 29, 2011, 52}, + {2011, 12, 30, 2011, 52}, {2011, 12, 31, 2011, 52}, {1995, 1, 1, 1994, 52}, + {2012, 1, 1, 2011, 52}, {2012, 1, 2, 2012, 1}, {2012, 1, 8, 2012, 1}, + {2012, 1, 9, 2012, 2}, {2012, 12, 23, 2012, 51}, {2012, 12, 24, 2012, 52}, + {2012, 12, 30, 2012, 52}, {2012, 12, 31, 2013, 1}, {2013, 1, 1, 2013, 1}, + {2013, 1, 6, 2013, 1}, {2013, 1, 7, 2013, 2}, {2013, 12, 22, 2013, 51}, + {2013, 12, 23, 2013, 52}, {2013, 12, 29, 2013, 52}, {2013, 12, 30, 2014, 1}, + {2014, 1, 1, 2014, 1}, {2014, 1, 5, 2014, 1}, {2014, 1, 6, 2014, 2}, + {2015, 1, 1, 2015, 1}, {2016, 1, 1, 2015, 53}, {2017, 1, 1, 2016, 52}, + {2018, 1, 1, 2018, 1}, {2019, 1, 1, 2019, 1}, {2020, 1, 1, 2020, 1}, + {2021, 1, 1, 2020, 53}, {2022, 1, 1, 2021, 52}, {2023, 1, 1, 2022, 52}, + {2024, 1, 1, 2024, 1}, {2025, 1, 1, 2025, 1}, {2026, 1, 1, 2026, 1}, + {2027, 1, 1, 2026, 53}, {2028, 1, 1, 2027, 52}, {2029, 1, 1, 2029, 1}, + {2030, 1, 1, 2030, 1}, {2031, 1, 1, 2031, 1}, {2032, 1, 1, 2032, 1}, + {2033, 1, 1, 2032, 53}, {2034, 1, 1, 2033, 52}, {2035, 1, 1, 2035, 1}, + {2036, 1, 1, 2036, 1}, {2037, 1, 1, 2037, 1}, {2038, 1, 1, 2037, 53}, + {2039, 1, 1, 2038, 52}, {2040, 1, 1, 2039, 52}, +} + +func TestISOWeek(t *testing.T) { + // Selected dates and corner cases + for _, wt := range isoWeekTests { + dt := Date(wt.year, Month(wt.month), wt.day, 0, 0, 0, 0, UTC) + y, w := dt.ISOWeek() + if w != wt.wex || y != wt.yex { + t.Errorf("got %d/%d; expected %d/%d for %d-%02d-%02d", + y, w, wt.yex, wt.wex, wt.year, wt.month, wt.day) + } + } + + // The only real invariant: Jan 04 is in week 1 + for year := 1950; year < 2100; year++ { + if y, w := Date(year, January, 4, 0, 0, 0, 0, UTC).ISOWeek(); y != year || w != 1 { + t.Errorf("got %d/%d; expected %d/1 for Jan 04", y, w, year) + } } } -func BenchmarkSeconds(b *testing.B) { - for i := 0; i < b.N; i++ { - Seconds() +var durationTests = []struct { + str string + d Duration +}{ + {"0", 0}, + {"1ns", 1 * Nanosecond}, + {"1.1us", 1100 * Nanosecond}, + {"2.2ms", 2200 * Microsecond}, + {"3.3s", 3300 * Millisecond}, + {"4m5s", 4*Minute + 5*Second}, + {"4m5.001s", 4*Minute + 5001*Millisecond}, + {"5h6m7.001s", 5*Hour + 6*Minute + 7001*Millisecond}, + {"8m0.000000001s", 8*Minute + 1*Nanosecond}, + {"2562047h47m16.854775807s", 1<<63 - 1}, + {"-2562047h47m16.854775808s", -1 << 63}, +} + +func TestDurationString(t *testing.T) { + for _, tt := range durationTests { + if str := tt.d.String(); str != tt.str { + t.Errorf("Duration(%d).String() = %s, want %s", int64(tt.d), str, tt.str) + } + if tt.d > 0 { + if str := (-tt.d).String(); str != "-"+tt.str { + t.Errorf("Duration(%d).String() = %s, want %s", int64(-tt.d), str, "-"+tt.str) + } + } + } +} + +var dateTests = []struct { + year, month, day, hour, min, sec, nsec int + z *Location + unix int64 +}{ + {2011, 11, 6, 1, 0, 0, 0, Local, 1320566400}, // 1:00:00 PDT + {2011, 11, 6, 1, 59, 59, 0, Local, 1320569999}, // 1:59:59 PDT + {2011, 11, 6, 2, 0, 0, 0, Local, 1320573600}, // 2:00:00 PST + + {2011, 3, 13, 1, 0, 0, 0, Local, 1300006800}, // 1:00:00 PST + {2011, 3, 13, 1, 59, 59, 0, Local, 1300010399}, // 1:59:59 PST + {2011, 3, 13, 3, 0, 0, 0, Local, 1300010400}, // 3:00:00 PDT + {2011, 3, 13, 2, 30, 0, 0, Local, 1300008600}, // 2:30:00 PDT ≡ 1:30 PST + + // Many names for Fri Nov 18 7:56:35 PST 2011 + {2011, 11, 18, 7, 56, 35, 0, Local, 1321631795}, // Nov 18 7:56:35 + {2011, 11, 19, -17, 56, 35, 0, Local, 1321631795}, // Nov 19 -17:56:35 + {2011, 11, 17, 31, 56, 35, 0, Local, 1321631795}, // Nov 17 31:56:35 + {2011, 11, 18, 6, 116, 35, 0, Local, 1321631795}, // Nov 18 6:116:35 + {2011, 10, 49, 7, 56, 35, 0, Local, 1321631795}, // Oct 49 7:56:35 + {2011, 11, 18, 7, 55, 95, 0, Local, 1321631795}, // Nov 18 7:55:95 + {2011, 11, 18, 7, 56, 34, 1e9, Local, 1321631795}, // Nov 18 7:56:34 + 10⁹ns + {2011, 12, -12, 7, 56, 35, 0, Local, 1321631795}, // Dec -21 7:56:35 + {2012, 1, -43, 7, 56, 35, 0, Local, 1321631795}, // Jan -52 7:56:35 2012 + {2012, int(January - 2), 18, 7, 56, 35, 0, Local, 1321631795}, // (Jan-2) 18 7:56:35 2012 + {2010, int(December + 11), 18, 7, 56, 35, 0, Local, 1321631795}, // (Dec+11) 18 7:56:35 2010 +} + +func TestDate(t *testing.T) { + for _, tt := range dateTests { + time := Date(tt.year, Month(tt.month), tt.day, tt.hour, tt.min, tt.sec, tt.nsec, tt.z) + want := Unix(tt.unix, 0) + if !time.Equal(want) { + t.Errorf("Date(%d, %d, %d, %d, %d, %d, %d, %s) = %v, want %v", + tt.year, tt.month, tt.day, tt.hour, tt.min, tt.sec, tt.nsec, tt.z, + time, want) + } } } -func BenchmarkNanoseconds(b *testing.B) { +// Several ways of getting from +// Fri Nov 18 7:56:35 PST 2011 +// to +// Thu Mar 19 7:56:35 PST 2016 +var addDateTests = []struct { + years, months, days int +}{ + {4, 4, 1}, + {3, 16, 1}, + {3, 15, 30}, + {5, -6, -18 - 30 - 12}, +} + +func TestAddDate(t *testing.T) { + t0 := Date(2011, 11, 18, 7, 56, 35, 0, UTC) + t1 := Date(2016, 3, 19, 7, 56, 35, 0, UTC) + for _, at := range addDateTests { + time := t0.AddDate(at.years, at.months, at.days) + if !time.Equal(t1) { + t.Errorf("AddDate(%d, %d, %d) = %v, want %v", + at.years, at.months, at.days, + time, t1) + } + } +} + +var daysInTests = []struct { + year, month, di int +}{ + {2011, 1, 31}, // January, first month, 31 days + {2011, 2, 28}, // February, non-leap year, 28 days + {2012, 2, 29}, // February, leap year, 29 days + {2011, 6, 30}, // June, 30 days + {2011, 12, 31}, // December, last month, 31 days +} + +func TestDaysIn(t *testing.T) { + // The daysIn function is not exported. + // Test the daysIn function via the `var DaysIn = daysIn` + // statement in the internal_test.go file. + for _, tt := range daysInTests { + di := DaysIn(Month(tt.month), tt.year) + if di != tt.di { + t.Errorf("got %d; expected %d for %d-%02d", + di, tt.di, tt.year, tt.month) + } + } +} + +func TestAddToExactSecond(t *testing.T) { + // Add an amount to the current time to round it up to the next exact second. + // This test checks that the nsec field still lies within the range [0, 999999999]. + t1 := Now() + t2 := t1.Add(Second - Duration(t1.Nanosecond())) + sec := (t1.Second() + 1) % 60 + if t2.Second() != sec || t2.Nanosecond() != 0 { + t.Errorf("sec = %d, nsec = %d, want sec = %d, nsec = 0", t2.Second(), t2.Nanosecond(), sec) + } +} + +func equalTimeAndZone(a, b Time) bool { + aname, aoffset := a.Zone() + bname, boffset := b.Zone() + return a.Equal(b) && aoffset == boffset && aname == bname +} + +var gobTests = []Time{ + Date(0, 1, 2, 3, 4, 5, 6, UTC), + Date(7, 8, 9, 10, 11, 12, 13, FixedZone("", 0)), + Unix(81985467080890095, 0x76543210), // Time.sec: 0x0123456789ABCDEF + Time{}, // nil location + Date(1, 2, 3, 4, 5, 6, 7, FixedZone("", 32767*60)), + Date(1, 2, 3, 4, 5, 6, 7, FixedZone("", -32768*60)), +} + +func TestTimeGob(t *testing.T) { + var b bytes.Buffer + enc := gob.NewEncoder(&b) + dec := gob.NewDecoder(&b) + for _, tt := range gobTests { + var gobtt Time + if err := enc.Encode(&tt); err != nil { + t.Errorf("%v gob Encode error = %q, want nil", tt, err) + } else if err := dec.Decode(&gobtt); err != nil { + t.Errorf("%v gob Decode error = %q, want nil", tt, err) + } else if !equalTimeAndZone(gobtt, tt) { + t.Errorf("Decoded time = %v, want %v", gobtt, tt) + } + b.Reset() + } +} + +var invalidEncodingTests = []struct { + bytes []byte + want string +}{ + {[]byte{}, "Time.GobDecode: no data"}, + {[]byte{0, 2, 3}, "Time.GobDecode: unsupported version"}, + {[]byte{1, 2, 3}, "Time.GobDecode: invalid length"}, +} + +func TestInvalidTimeGob(t *testing.T) { + for _, tt := range invalidEncodingTests { + var ignored Time + err := ignored.GobDecode(tt.bytes) + if err == nil || err.Error() != tt.want { + t.Errorf("time.GobDecode(%#v) error = %v, want %v", tt.bytes, err, tt.want) + } + } +} + +var notEncodableTimes = []struct { + time Time + want string +}{ + {Date(0, 1, 2, 3, 4, 5, 6, FixedZone("", 1)), "Time.GobEncode: zone offset has fractional minute"}, + {Date(0, 1, 2, 3, 4, 5, 6, FixedZone("", -1*60)), "Time.GobEncode: unexpected zone offset"}, + {Date(0, 1, 2, 3, 4, 5, 6, FixedZone("", -32769*60)), "Time.GobEncode: unexpected zone offset"}, + {Date(0, 1, 2, 3, 4, 5, 6, FixedZone("", 32768*60)), "Time.GobEncode: unexpected zone offset"}, +} + +func TestNotGobEncodableTime(t *testing.T) { + for _, tt := range notEncodableTimes { + _, err := tt.time.GobEncode() + if err == nil || err.Error() != tt.want { + t.Errorf("%v GobEncode error = %v, want %v", tt.time, err, tt.want) + } + } +} + +var jsonTests = []struct { + time Time + json string +}{ + {Date(9999, 4, 12, 23, 20, 50, .52*1e9, UTC), `"9999-04-12T23:20:50.52Z"`}, + {Date(1996, 12, 19, 16, 39, 57, 0, Local), `"1996-12-19T16:39:57-08:00"`}, + {Date(0, 1, 1, 0, 0, 0, 1, FixedZone("", 1*60)), `"0000-01-01T00:00:00.000000001+00:01"`}, +} + +func TestTimeJSON(t *testing.T) { + for _, tt := range jsonTests { + var jsonTime Time + + if jsonBytes, err := json.Marshal(tt.time); err != nil { + t.Errorf("%v json.Marshal error = %v, want nil", tt.time, err) + } else if string(jsonBytes) != tt.json { + t.Errorf("%v JSON = %#q, want %#q", tt.time, string(jsonBytes), tt.json) + } else if err = json.Unmarshal(jsonBytes, &jsonTime); err != nil { + t.Errorf("%v json.Unmarshal error = %v, want nil", tt.time, err) + } else if !equalTimeAndZone(jsonTime, tt.time) { + t.Errorf("Unmarshaled time = %v, want %v", jsonTime, tt.time) + } + } +} + +func TestInvalidTimeJSON(t *testing.T) { + var tt Time + err := json.Unmarshal([]byte(`{"now is the time":"buddy"}`), &tt) + _, isParseErr := err.(*ParseError) + if !isParseErr { + t.Errorf("expected *time.ParseError unmarshaling JSON, got %v", err) + } +} + +var notJSONEncodableTimes = []struct { + time Time + want string +}{ + {Date(10000, 1, 1, 0, 0, 0, 0, UTC), "Time.MarshalJSON: year outside of range [0,9999]"}, + {Date(-1, 1, 1, 0, 0, 0, 0, UTC), "Time.MarshalJSON: year outside of range [0,9999]"}, +} + +func TestNotJSONEncodableTime(t *testing.T) { + for _, tt := range notJSONEncodableTimes { + _, err := tt.time.MarshalJSON() + if err == nil || err.Error() != tt.want { + t.Errorf("%v MarshalJSON error = %v, want %v", tt.time, err, tt.want) + } + } +} + +var parseDurationTests = []struct { + in string + ok bool + want Duration +}{ + // simple + {"0", true, 0}, + {"5s", true, 5 * Second}, + {"30s", true, 30 * Second}, + {"1478s", true, 1478 * Second}, + // sign + {"-5s", true, -5 * Second}, + {"+5s", true, 5 * Second}, + {"-0", true, 0}, + {"+0", true, 0}, + // decimal + {"5.0s", true, 5 * Second}, + {"5.6s", true, 5*Second + 600*Millisecond}, + {"5.s", true, 5 * Second}, + {".5s", true, 500 * Millisecond}, + {"1.0s", true, 1 * Second}, + {"1.00s", true, 1 * Second}, + {"1.004s", true, 1*Second + 4*Millisecond}, + {"1.0040s", true, 1*Second + 4*Millisecond}, + {"100.00100s", true, 100*Second + 1*Millisecond}, + // different units + {"10ns", true, 10 * Nanosecond}, + {"11us", true, 11 * Microsecond}, + {"12µs", true, 12 * Microsecond}, // U+00B5 + {"12μs", true, 12 * Microsecond}, // U+03BC + {"13ms", true, 13 * Millisecond}, + {"14s", true, 14 * Second}, + {"15m", true, 15 * Minute}, + {"16h", true, 16 * Hour}, + // composite durations + {"3h30m", true, 3*Hour + 30*Minute}, + {"10.5s4m", true, 4*Minute + 10*Second + 500*Millisecond}, + {"-2m3.4s", true, -(2*Minute + 3*Second + 400*Millisecond)}, + {"1h2m3s4ms5us6ns", true, 1*Hour + 2*Minute + 3*Second + 4*Millisecond + 5*Microsecond + 6*Nanosecond}, + {"39h9m14.425s", true, 39*Hour + 9*Minute + 14*Second + 425*Millisecond}, + + // errors + {"", false, 0}, + {"3", false, 0}, + {"-", false, 0}, + {"s", false, 0}, + {".", false, 0}, + {"-.", false, 0}, + {".s", false, 0}, + {"+.s", false, 0}, +} + +func TestParseDuration(t *testing.T) { + for _, tc := range parseDurationTests { + d, err := ParseDuration(tc.in) + if tc.ok && (err != nil || d != tc.want) { + t.Errorf("ParseDuration(%q) = %v, %v, want %v, nil", tc.in, d, err, tc.want) + } else if !tc.ok && err == nil { + t.Errorf("ParseDuration(%q) = _, nil, want _, non-nil", tc.in) + } + } +} + +func TestParseDurationRoundTrip(t *testing.T) { + for i := 0; i < 100; i++ { + // Resolutions finer than milliseconds will result in + // imprecise round-trips. + d0 := Duration(rand.Int31()) * Millisecond + s := d0.String() + d1, err := ParseDuration(s) + if err != nil || d0 != d1 { + t.Errorf("round-trip failed: %d => %q => %d, %v", d0, s, d1, err) + } + } +} + +func BenchmarkNow(b *testing.B) { for i := 0; i < b.N; i++ { - Nanoseconds() + Now() } } func BenchmarkFormat(b *testing.B) { - time := SecondsToLocalTime(1265346057) + time := Unix(1265346057, 0) for i := 0; i < b.N; i++ { time.Format("Mon Jan 2 15:04:05 2006") } @@ -504,3 +945,31 @@ func BenchmarkParse(b *testing.B) { Parse(ANSIC, "Mon Jan 2 15:04:05 2006") } } + +func BenchmarkHour(b *testing.B) { + t := Now() + for i := 0; i < b.N; i++ { + _ = t.Hour() + } +} + +func BenchmarkSecond(b *testing.B) { + t := Now() + for i := 0; i < b.N; i++ { + _ = t.Second() + } +} + +func BenchmarkYear(b *testing.B) { + t := Now() + for i := 0; i < b.N; i++ { + _ = t.Year() + } +} + +func BenchmarkDay(b *testing.B) { + t := Now() + for i := 0; i < b.N; i++ { + _ = t.Day() + } +} |