diff options
Diffstat (limited to 'src/pkg/time/format_test.go')
-rw-r--r-- | src/pkg/time/format_test.go | 511 |
1 files changed, 511 insertions, 0 deletions
diff --git a/src/pkg/time/format_test.go b/src/pkg/time/format_test.go new file mode 100644 index 000000000..3bc8f4294 --- /dev/null +++ b/src/pkg/time/format_test.go @@ -0,0 +1,511 @@ +// Copyright 2009 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 ( + "fmt" + "strconv" + "strings" + "testing" + "testing/quick" + . "time" +) + +type TimeFormatTest struct { + time Time + formattedValue string +} + +var rfc3339Formats = []TimeFormatTest{ + {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) { + for _, f := range rfc3339Formats { + if f.time.Format(RFC3339) != f.formattedValue { + t.Error("RFC3339:") + t.Errorf(" want=%+v", f.formattedValue) + t.Errorf(" have=%+v", f.time.Format(RFC3339)) + } + } +} + +type FormatTest struct { + name string + format string + result string +} + +var formatTests = []FormatTest{ + {"ANSIC", ANSIC, "Wed Feb 4 21:00:57 2009"}, + {"UnixDate", UnixDate, "Wed Feb 4 21:00:57 PST 2009"}, + {"RubyDate", RubyDate, "Wed Feb 04 21:00:57 -0800 2009"}, + {"RFC822", RFC822, "04 Feb 09 21:00 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"}, + {"two-digit year", "06 01 02", "09 02 04"}, + // Three-letter months and days must not be followed by lower-case letter. + {"Janet", "Hi Janet, the Month is January", "Hi Janet, the Month is February"}, + // Time stamps, Fractional seconds. + {"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 21:00:57.012345600"}, +} + +func TestFormat(t *testing.T) { + // 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 { + t.Errorf("%s expected %q got %q", test.name, test.result, result) + } + } +} + +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 int // sign of year, -1 indicates the year is not present in the format + fracDigits int // number of digits of fractional second +} + +var parseTests = []ParseTest{ + {"ANSIC", ANSIC, "Thu Feb 4 21:00:57 2010", false, true, 1, 0}, + {"UnixDate", UnixDate, "Thu Feb 4 21:00:57 PST 2010", true, true, 1, 0}, + {"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}, + {"RFC1123", RFC1123, "Thu, 04 Feb 2010 22:00:57 PDT", 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. + {"ANSIC", ANSIC, "Thu Feb 4 21:00:57.0 2010", false, true, 1, 1}, + {"UnixDate", UnixDate, "Thu Feb 4 21:00:57.01 PST 2010", true, true, 1, 2}, + {"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}, + {"custom: \"2006-01-02 15:04:05\"", "2006-01-02 15:04:05", "2010-02-04 21:00:57.0", false, false, 1, 0}, + // 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}, + {"nanosecond", "Mon Jan _2 15:04:05.000000000 2006", "Thu Feb 4 21:00:57.012345678 2010", false, true, 1, 9}, + // Leading zeros in other places should not be taken as fractional seconds. + {"zero1", "2006.01.02.15.04.05.0", "2010.02.04.21.00.57.0", false, false, 1, 1}, + {"zero2", "2006.01.02.15.04.05.00", "2010.02.04.21.00.57.01", false, false, 1, 2}, + // Month and day names only match when not followed by a lower-case letter. + {"Janet", "Hi Janet, the Month is January: Jan _2 15:04:05 2006", "Hi Janet, the Month is February: Feb 4 21:00:57 2010", false, true, 1, 0}, + + // GMT with offset. + {"GMT-8", UnixDate, "Fri Feb 5 05:00:57 GMT-8 2010", true, true, 1, 0}, + + // Accept any number of fractional second digits (including none) for .999... + // In Go 1, .999... was completely ignored in the format, meaning the first two + // cases would succeed, but the next four would not. Go 1.1 accepts all six. + {"", "2006-01-02 15:04:05.9999 -0700 MST", "2010-02-04 21:00:57 -0800 PST", true, false, 1, 0}, + {"", "2006-01-02 15:04:05.999999999 -0700 MST", "2010-02-04 21:00:57 -0800 PST", true, false, 1, 0}, + {"", "2006-01-02 15:04:05.9999 -0700 MST", "2010-02-04 21:00:57.0123 -0800 PST", true, false, 1, 4}, + {"", "2006-01-02 15:04:05.999999999 -0700 MST", "2010-02-04 21:00:57.0123 -0800 PST", true, false, 1, 4}, + {"", "2006-01-02 15:04:05.9999 -0700 MST", "2010-02-04 21:00:57.012345678 -0800 PST", true, false, 1, 9}, + {"", "2006-01-02 15:04:05.999999999 -0700 MST", "2010-02-04 21:00:57.012345678 -0800 PST", true, false, 1, 9}, + + // issue 4502. + {"", StampNano, "Feb 4 21:00:57.012345678", false, false, -1, 9}, + {"", "Jan _2 15:04:05.999", "Feb 4 21:00:57.012300000", false, false, -1, 4}, + {"", "Jan _2 15:04:05.999", "Feb 4 21:00:57.012345678", false, false, -1, 9}, + {"", "Jan _2 15:04:05.999999999", "Feb 4 21:00:57.0123", false, false, -1, 4}, + {"", "Jan _2 15:04:05.999999999", "Feb 4 21:00:57.012345678", false, false, -1, 9}, +} + +func TestParse(t *testing.T) { + for _, test := range parseTests { + time, err := Parse(test.format, test.value) + if err != nil { + t.Errorf("%s error: %v", test.name, err) + } else { + checkTime(time, &test, t) + } + } +} + +func TestParseInSydney(t *testing.T) { + loc, err := LoadLocation("Australia/Sydney") + if err != nil { + t.Fatal(err) + } + + // Check that Parse (and ParseInLocation) understand + // that Feb EST and Aug EST are different time zones in Sydney + // even though both are called EST. + t1, err := ParseInLocation("Jan 02 2006 MST", "Feb 01 2013 EST", loc) + if err != nil { + t.Fatal(err) + } + t2 := Date(2013, February, 1, 00, 00, 00, 0, loc) + if t1 != t2 { + t.Fatalf("ParseInLocation(Feb 01 2013 EST, Sydney) = %v, want %v", t1, t2) + } + _, offset := t1.Zone() + if offset != 11*60*60 { + t.Fatalf("ParseInLocation(Feb 01 2013 EST, Sydney).Zone = _, %d, want _, %d", offset, 11*60*60) + } + + t1, err = ParseInLocation("Jan 02 2006 MST", "Aug 01 2013 EST", loc) + if err != nil { + t.Fatal(err) + } + t2 = Date(2013, August, 1, 00, 00, 00, 0, loc) + if t1 != t2 { + t.Fatalf("ParseInLocation(Aug 01 2013 EST, Sydney) = %v, want %v", t1, t2) + } + _, offset = t1.Zone() + if offset != 10*60*60 { + t.Fatalf("ParseInLocation(Aug 01 2013 EST, Sydney).Zone = _, %d, want _, %d", offset, 10*60*60) + } +} + +func TestLoadLocationZipFile(t *testing.T) { + ForceZipFileForTesting(true) + defer ForceZipFileForTesting(false) + + _, err := LoadLocation("Australia/Sydney") + if err != nil { + t.Fatal(err) + } +} + +var rubyTests = []ParseTest{ + {"RubyDate", RubyDate, "Thu Feb 04 21:00:57 -0800 2010", true, true, 1, 0}, + // Ignore the time zone in the test. If it parses, it'll be OK. + {"RubyDate", RubyDate, "Thu Feb 04 21:00:57 -0000 2010", false, true, 1, 0}, + {"RubyDate", RubyDate, "Thu Feb 04 21:00:57 +0000 2010", false, true, 1, 0}, + {"RubyDate", RubyDate, "Thu Feb 04 21:00:57 +1130 2010", false, true, 1, 0}, +} + +// Problematic time zone format needs special tests. +func TestRubyParse(t *testing.T) { + for _, test := range rubyTests { + time, err := Parse(test.format, test.value) + if err != nil { + t.Errorf("%s error: %v", test.name, err) + } else { + checkTime(time, &test, 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 >= 0 && test.yearSign*time.Year() != 2010 { + t.Errorf("%s: bad year: %d not %d", test.name, time.Year(), 2010) + } + 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.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.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.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) + } + 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() != 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 := Unix(sec, 0) + if t1.Year() < 1000 || t1.Year() > 9999 { + // not required to work + return true + } + t2, err := Parse(fmt, t1.Format(fmt)) + if err != nil { + t.Errorf("error: %s", err) + return false + } + 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 + } + f32 := func(sec int32) bool { return f(int64(sec)) } + cfg := &quick.Config{MaxCount: 10000} + + // Try a reasonable date first, then the huge ones. + if err := quick.Check(f32, cfg); err != nil { + t.Fatal(err) + } + if err := quick.Check(f, cfg); err != nil { + t.Fatal(err) + } +} + +type ParseTimeZoneTest struct { + value string + length int + ok bool +} + +var parseTimeZoneTests = []ParseTimeZoneTest{ + {"gmt hi there", 0, false}, + {"GMT hi there", 3, true}, + {"GMT+12 hi there", 6, true}, + {"GMT+00 hi there", 3, true}, // 0 or 00 is not a legal offset. + {"GMT-5 hi there", 5, true}, + {"GMT-51 hi there", 3, true}, + {"ChST hi there", 4, true}, + {"MeST hi there", 4, true}, + {"MSDx", 3, true}, + {"MSDY", 0, false}, // four letters must end in T. + {"ESAST hi", 5, true}, + {"ESASTT hi", 0, false}, // run of upper-case letters too long. + {"ESATY hi", 0, false}, // five letters must end in T. +} + +func TestParseTimeZone(t *testing.T) { + for _, test := range parseTimeZoneTests { + length, ok := ParseTimeZone(test.value) + if ok != test.ok { + t.Errorf("expected %t for %q got %t", test.ok, test.value, ok) + } else if length != test.length { + t.Errorf("expected %d for %q got %d", test.length, test.value, length) + } + } +} + +type ParseErrorTest struct { + format string + value string + expect string // must appear within the error +} + +var parseErrorTests = []ParseErrorTest{ + {ANSIC, "Feb 4 21:00:60 2010", "cannot parse"}, // cannot parse Feb as Mon + {ANSIC, "Thu Feb 4 21:00:57 @2010", "cannot parse"}, + {ANSIC, "Thu Feb 4 21:00:60 2010", "second out of range"}, + {ANSIC, "Thu Feb 4 21:61:57 2010", "minute out of range"}, + {ANSIC, "Thu Feb 4 24:00:60 2010", "hour out of range"}, + {"Mon Jan _2 15:04:05.000 2006", "Thu Feb 4 23:00:59x01 2010", "cannot parse"}, + {"Mon Jan _2 15:04:05.000 2006", "Thu Feb 4 23:00:59.xxx 2010", "cannot parse"}, + {"Mon Jan _2 15:04:05.000 2006", "Thu Feb 4 23:00:59.-123 2010", "fractional second out of range"}, + // issue 4502. StampNano requires exactly 9 digits of precision. + {StampNano, "Dec 7 11:22:01.000000", `cannot parse ".000000" as ".000000000"`}, + {StampNano, "Dec 7 11:22:01.0000000000", "extra text: 0"}, + // issue 4493. Helpful errors. + {RFC3339, "2006-01-02T15:04:05Z07:00", `parsing time "2006-01-02T15:04:05Z07:00": extra text: 07:00`}, + {RFC3339, "2006-01-02T15:04_abc", `parsing time "2006-01-02T15:04_abc" as "2006-01-02T15:04:05Z07:00": cannot parse "_abc" as ":"`}, + {RFC3339, "2006-01-02T15:04:05_abc", `parsing time "2006-01-02T15:04:05_abc" as "2006-01-02T15:04:05Z07:00": cannot parse "_abc" as "Z07:00"`}, + {RFC3339, "2006-01-02T15:04:05Z_abc", `parsing time "2006-01-02T15:04:05Z_abc": extra text: _abc`}, +} + +func TestParseErrors(t *testing.T) { + for _, test := range parseErrorTests { + _, 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.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 := Date(0, January, 1, 12, 0, 0, 0, UTC) + const expect = "12:00PM" + got := noon.Format("3:04PM") + if got != expect { + t.Errorf("got %q; expect %q", got, expect) + } + got = noon.Format("03:04PM") + if got != expect { + t.Errorf("got %q; expect %q", got, expect) + } +} + +func TestMidnightIs12AM(t *testing.T) { + midnight := Date(0, January, 1, 0, 0, 0, 0, UTC) + expect := "12:00AM" + got := midnight.Format("3:04PM") + if got != expect { + t.Errorf("got %q; expect %q", got, expect) + } + got = midnight.Format("03:04PM") + if got != expect { + t.Errorf("got %q; expect %q", got, expect) + } +} + +func Test12PMIsNoon(t *testing.T) { + noon, err := Parse("3:04PM", "12:00PM") + if err != nil { + t.Fatal("error parsing date:", err) + } + 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()) + } +} + +func Test12AMIsMidnight(t *testing.T) { + midnight, err := Parse("3:04PM", "12:00AM") + if err != nil { + t.Fatal("error parsing date:", err) + } + 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()) + } +} + +// 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, "Thu Feb 02 16:10:03 -0500 2006") + if err != nil { + t.Fatal("error parsing date:", err) + } + 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("got %s; expect %s", str, expect) + } +} + +func TestMinutesInTimeZone(t *testing.T) { + time, err := Parse(RubyDate, "Mon Jan 02 15:04:05 +0123 2006") + if err != nil { + t.Fatal("error parsing date:", err) + } + expected := (1*60 + 23) * 60 + _, offset := time.Zone() + if offset != expected { + t.Errorf("ZoneOffset = %d, want %d", offset, expected) + } +} + +type SecondsTimeZoneOffsetTest struct { + format string + value string + expectedoffset int +} + +var secondsTimeZoneOffsetTests = []SecondsTimeZoneOffsetTest{ + {"2006-01-02T15:04:05-070000", "1871-01-01T05:33:02-003408", -(34*60 + 8)}, + {"2006-01-02T15:04:05-07:00:00", "1871-01-01T05:33:02-00:34:08", -(34*60 + 8)}, + {"2006-01-02T15:04:05-070000", "1871-01-01T05:33:02+003408", 34*60 + 8}, + {"2006-01-02T15:04:05-07:00:00", "1871-01-01T05:33:02+00:34:08", 34*60 + 8}, + {"2006-01-02T15:04:05Z070000", "1871-01-01T05:33:02-003408", -(34*60 + 8)}, + {"2006-01-02T15:04:05Z07:00:00", "1871-01-01T05:33:02+00:34:08", 34*60 + 8}, +} + +func TestParseSecondsInTimeZone(t *testing.T) { + // should accept timezone offsets with seconds like: Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:03:58 + for _, test := range secondsTimeZoneOffsetTests { + time, err := Parse(test.format, test.value) + if err != nil { + t.Fatal("error parsing date:", err) + } + _, offset := time.Zone() + if offset != test.expectedoffset { + t.Errorf("ZoneOffset = %d, want %d", offset, test.expectedoffset) + } + } +} + +func TestFormatSecondsInTimeZone(t *testing.T) { + d := Date(1871, 9, 17, 20, 4, 26, 0, FixedZone("LMT", -(34*60+8))) + timestr := d.Format("2006-01-02T15:04:05Z070000") + expected := "1871-09-17T20:04:26-003408" + if timestr != expected { + t.Errorf("Got %s, want %s", timestr, expected) + } +} |