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package sliceutil_test
import (
"net/netip"
"strconv"
"testing"
"github.com/docker/docker/internal/sliceutil"
)
func TestMap(t *testing.T) {
s := []int{1, 2, 3}
m := sliceutil.Map(s, func(i int) int { return i * 2 })
if len(m) != len(s) {
t.Fatalf("expected len %d, got %d", len(s), len(m))
}
for i, v := range m {
if expected := s[i] * 2; v != expected {
t.Fatalf("expected %d, got %d", expected, v)
}
}
}
func TestMap_TypeConvert(t *testing.T) {
s := []int{1, 2, 3}
m := sliceutil.Map(s, func(i int) string { return strconv.Itoa(i) })
if len(m) != len(s) {
t.Fatalf("expected len %d, got %d", len(s), len(m))
}
for i, v := range m {
if expected := strconv.Itoa(s[i]); v != expected {
t.Fatalf("expected %s, got %s", expected, v)
}
}
}
func TestMapper(t *testing.T) {
s := []string{"1.2.3.4", "fe80::1"}
mapper := sliceutil.Mapper(netip.MustParseAddr)
m := mapper(s)
if len(m) != len(s) {
t.Fatalf("expected len %d, got %d", len(s), len(m))
}
for i, v := range m {
if expected := netip.MustParseAddr(s[i]); v != expected {
t.Fatalf("expected %s, got %s", expected, v)
}
}
}
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