diff options
Diffstat (limited to 'libgo/go/time/example_test.go')
| -rw-r--r-- | libgo/go/time/example_test.go | 113 |
1 files changed, 68 insertions, 45 deletions
diff --git a/libgo/go/time/example_test.go b/libgo/go/time/example_test.go index 5a037da..0afb18a 100644 --- a/libgo/go/time/example_test.go +++ b/libgo/go/time/example_test.go @@ -50,10 +50,11 @@ func ExampleDuration_Round() { } func ExampleDuration_String() { - t1 := time.Date(2016, time.August, 15, 0, 0, 0, 0, time.UTC) - t2 := time.Date(2017, time.February, 16, 0, 0, 0, 0, time.UTC) - fmt.Println(t2.Sub(t1).String()) - // Output: 4440h0m0s + fmt.Println(1*time.Hour + 2*time.Minute + 300*time.Millisecond) + fmt.Println(300 * time.Millisecond) + // Output: + // 1h2m0.3s + // 300ms } func ExampleDuration_Truncate() { @@ -206,7 +207,7 @@ func ExampleNewTicker() { func ExampleTime_Format() { // Parse a time value from a string in the standard Unix format. - t, err := time.Parse(time.UnixDate, "Sat Mar 7 11:06:39 PST 2015") + t, err := time.Parse(time.UnixDate, "Wed Feb 25 11:06:39 PST 2015") if err != nil { // Always check errors even if they should not happen. panic(err) } @@ -245,35 +246,15 @@ func ExampleTime_Format() { fmt.Printf("error: for %q got %q; expected %q\n", layout, got, want) return } - fmt.Printf("%-15s %q gives %q\n", name, layout, got) + fmt.Printf("%-16s %q gives %q\n", name, layout, got) } // Print a header in our output. fmt.Printf("\nFormats:\n\n") - // A simple starter example. - do("Basic", "Mon Jan 2 15:04:05 MST 2006", "Sat Mar 7 11:06:39 PST 2015") - - // For fixed-width printing of values, such as the date, that may be one or - // two characters (7 vs. 07), use an _ instead of a space in the layout string. - // Here we print just the day, which is 2 in our layout string and 7 in our - // value. - do("No pad", "<2>", "<7>") - - // An underscore represents a space pad, if the date only has one digit. - do("Spaces", "<_2>", "< 7>") - - // A "0" indicates zero padding for single-digit values. - do("Zeros", "<02>", "<07>") - - // If the value is already the right width, padding is not used. - // For instance, the second (05 in the reference time) in our value is 39, - // so it doesn't need padding, but the minutes (04, 06) does. - do("Suppressed pad", "04:05", "06:39") - - // The predefined constant Unix uses an underscore to pad the day. - // Compare with our simple starter example. - do("Unix", time.UnixDate, "Sat Mar 7 11:06:39 PST 2015") + // Simple starter examples. + do("Basic full date", "Mon Jan 2 15:04:05 MST 2006", "Wed Feb 25 11:06:39 PST 2015") + do("Basic short date", "2006/01/02", "2015/02/25") // The hour of the reference time is 15, or 3PM. The layout can express // it either way, and since our value is the morning we should see it as @@ -284,13 +265,13 @@ func ExampleTime_Format() { // and some digits, that is taken as a fraction of a second even if // the layout string does not represent the fractional second. // Here we add a fractional second to our time value used above. - t, err = time.Parse(time.UnixDate, "Sat Mar 7 11:06:39.1234 PST 2015") + t, err = time.Parse(time.UnixDate, "Wed Feb 25 11:06:39.1234 PST 2015") if err != nil { panic(err) } // It does not appear in the output if the layout string does not contain // a representation of the fractional second. - do("No fraction", time.UnixDate, "Sat Mar 7 11:06:39 PST 2015") + do("No fraction", time.UnixDate, "Wed Feb 25 11:06:39 PST 2015") // Fractional seconds can be printed by adding a run of 0s or 9s after // a decimal point in the seconds value in the layout string. @@ -302,22 +283,64 @@ func ExampleTime_Format() { do("9s for fraction", "15:04:05.99999999", "11:06:39.1234") // Output: - // default format: 2015-03-07 11:06:39 -0800 PST - // Unix format: Sat Mar 7 11:06:39 PST 2015 - // Same, in UTC: Sat Mar 7 19:06:39 UTC 2015 + // default format: 2015-02-25 11:06:39 -0800 PST + // Unix format: Wed Feb 25 11:06:39 PST 2015 + // Same, in UTC: Wed Feb 25 19:06:39 UTC 2015 // // Formats: // - // Basic "Mon Jan 2 15:04:05 MST 2006" gives "Sat Mar 7 11:06:39 PST 2015" - // No pad "<2>" gives "<7>" - // Spaces "<_2>" gives "< 7>" - // Zeros "<02>" gives "<07>" - // Suppressed pad "04:05" gives "06:39" - // Unix "Mon Jan _2 15:04:05 MST 2006" gives "Sat Mar 7 11:06:39 PST 2015" - // AM/PM "3PM==3pm==15h" gives "11AM==11am==11h" - // No fraction "Mon Jan _2 15:04:05 MST 2006" gives "Sat Mar 7 11:06:39 PST 2015" - // 0s for fraction "15:04:05.00000" gives "11:06:39.12340" - // 9s for fraction "15:04:05.99999999" gives "11:06:39.1234" + // Basic full date "Mon Jan 2 15:04:05 MST 2006" gives "Wed Feb 25 11:06:39 PST 2015" + // Basic short date "2006/01/02" gives "2015/02/25" + // AM/PM "3PM==3pm==15h" gives "11AM==11am==11h" + // No fraction "Mon Jan _2 15:04:05 MST 2006" gives "Wed Feb 25 11:06:39 PST 2015" + // 0s for fraction "15:04:05.00000" gives "11:06:39.12340" + // 9s for fraction "15:04:05.99999999" gives "11:06:39.1234" + +} + +func ExampleTime_Format_pad() { + // Parse a time value from a string in the standard Unix format. + t, err := time.Parse(time.UnixDate, "Sat Mar 7 11:06:39 PST 2015") + if err != nil { // Always check errors even if they should not happen. + panic(err) + } + + // Define a helper function to make the examples' output look nice. + do := func(name, layout, want string) { + got := t.Format(layout) + if want != got { + fmt.Printf("error: for %q got %q; expected %q\n", layout, got, want) + return + } + fmt.Printf("%-16s %q gives %q\n", name, layout, got) + } + + // The predefined constant Unix uses an underscore to pad the day. + do("Unix", time.UnixDate, "Sat Mar 7 11:06:39 PST 2015") + + // For fixed-width printing of values, such as the date, that may be one or + // two characters (7 vs. 07), use an _ instead of a space in the layout string. + // Here we print just the day, which is 2 in our layout string and 7 in our + // value. + do("No pad", "<2>", "<7>") + + // An underscore represents a space pad, if the date only has one digit. + do("Spaces", "<_2>", "< 7>") + + // A "0" indicates zero padding for single-digit values. + do("Zeros", "<02>", "<07>") + + // If the value is already the right width, padding is not used. + // For instance, the second (05 in the reference time) in our value is 39, + // so it doesn't need padding, but the minutes (04, 06) does. + do("Suppressed pad", "04:05", "06:39") + + // Output: + // Unix "Mon Jan _2 15:04:05 MST 2006" gives "Sat Mar 7 11:06:39 PST 2015" + // No pad "<2>" gives "<7>" + // Spaces "<_2>" gives "< 7>" + // Zeros "<02>" gives "<07>" + // Suppressed pad "04:05" gives "06:39" } @@ -357,7 +380,7 @@ func ExampleParse() { // 2013-02-03 00:00:00 +0000 UTC // 2006-01-02 15:04:05 +0000 UTC // 2006-01-02 15:04:05 +0700 +0700 - // error parsing time "2006-01-02T15:04:05Z07:00": extra text: 07:00 + // error parsing time "2006-01-02T15:04:05Z07:00": extra text: "07:00" } func ExampleParseInLocation() { |