chronos/example_test.go at main · gomooth/chronos · GitHub

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package chronos_test

import (
	"fmt"
	"time"

	"github.com/gomooth/chronos"
)

func ExampleStartOfDay() {
	at := time.Date(2023, 5, 15, 14, 30, 45, 0, time.UTC)
	fmt.Println(chronos.StartOfDay(at))
	// Output: 2023-05-15 00:00:00 +0000 UTC
}

func ExampleEndOfMonth() {
	at := time.Date(2023, 2, 10, 0, 0, 0, 0, time.UTC)
	fmt.Println(chronos.EndOfMonth(at))
	// Output: 2023-02-28 23:59:59.999999999 +0000 UTC
}

func ExampleTomorrow() {
	at := time.Date(2023, 5, 15, 14, 30, 0, 0, time.UTC)
	fmt.Println(chronos.Tomorrow(at))
	// Output: 2023-05-16 14:30:00 +0000 UTC
}

func ExampleDiff() {
	t1 := time.Date(2023, 5, 20, 0, 0, 0, 0, time.UTC)
	t2 := time.Date(2023, 5, 15, 0, 0, 0, 0, time.UTC)
	d := chronos.Diff(t1, t2)
	fmt.Println(d.Hours())
	// Output: 120
}

func ExampleDiffValue_String() {
	d := chronos.DiffValue(90 * 1e9)
	fmt.Println(d.String())
	// Output: 1m30s
}

func ExampleAddDate_clampControl() {
	jan31 := time.Date(2023, 1, 31, 0, 0, 0, 0, time.UTC)
	result := chronos.AddDate(jan31, 0, 1, 0, chronos.WithClamp(true))
	fmt.Println(result)
	// Output: 2023-02-28 00:00:00 +0000 UTC
}

func ExampleFormatDateTime() {
	at := time.Date(2023, 5, 15, 14, 30, 45, 0, time.UTC)
	fmt.Println(chronos.FormatDateTime(at))
	// Output: 2023-05-15 14:30:45
}

func ExampleNewPeriod() {
	p := chronos.NewPeriod(
		time.Date(2023, 5, 15, 0, 0, 0, 0, time.UTC),
		time.Date(2023, 5, 20, 0, 0, 0, 0, time.UTC),
	)
	fmt.Println(p.Contains(time.Date(2023, 5, 17, 0, 0, 0, 0, time.UTC)))
	fmt.Println(p.Duration())
	// Output:
	// true
	// 120h0m0s
}

func ExampleIsLeap() {
	fmt.Println(chronos.IsLeap(time.Date(2024, 1, 1, 0, 0, 0, 0, time.UTC)))
	fmt.Println(chronos.IsLeap(time.Date(2023, 1, 1, 0, 0, 0, 0, time.UTC)))
	// Output:
	// true
	// false
}