package timeext

import (
	"testing"
	"time"
)

func TestWeekdayNameGerman(t *testing.T) {
	tests := []struct {
		d    time.Weekday
		want string
	}{
		{time.Sunday, "Sonntag"},
		{time.Monday, "Montag"},
		{time.Tuesday, "Dienstag"},
		{time.Wednesday, "Mittwoch"},
		{time.Thursday, "Donnerstag"},
		{time.Friday, "Freitag"},
		{time.Saturday, "Samstag"},
	}
	for _, tt := range tests {
		got := WeekdayNameGerman(tt.d)
		if got != tt.want {
			t.Errorf("WeekdayNameGerman(%v) = %q; want %q", tt.d, got, tt.want)
		}
	}
}

func TestWeekdayNameGerman_Invalid(t *testing.T) {
	got := WeekdayNameGerman(time.Weekday(8))
	want := "%!Weekday(8)"
	if got != want {
		t.Errorf("WeekdayNameGerman(8) = %q; want %q", got, want)
	}
}

func TestWeekdayNameGerman_Negative(t *testing.T) {
	got := WeekdayNameGerman(time.Weekday(-1))
	want := "%!Weekday(-1)"
	if got != want {
		t.Errorf("WeekdayNameGerman(-1) = %q; want %q", got, want)
	}
}