elvish/pkg/eval/vals/repr_test.go
2021-01-27 01:30:25 +00:00

37 lines
821 B
Go

package vals
import (
"fmt"
"os"
"testing"
. "src.elv.sh/pkg/tt"
)
type reprer struct{}
func (reprer) Repr(int) string { return "<reprer>" }
type nonReprer struct{}
func repr(a interface{}) string { return Repr(a, NoPretty) }
func TestRepr(t *testing.T) {
Test(t, Fn("repr", repr), Table{
Args(nil).Rets("$nil"),
Args(false).Rets("$false"),
Args(true).Rets("$true"),
Args("foo").Rets("foo"),
Args(1.0).Rets("(float64 1)"),
Args(1e10).Rets("(float64 10000000000)"),
Args(os.Stdin).Rets(
fmt.Sprintf("<file{%s %d}>", os.Stdin.Name(), os.Stdin.Fd())),
Args(EmptyList).Rets("[]"),
Args(MakeList("foo", "bar")).Rets("[foo bar]"),
Args(EmptyMap).Rets("[&]"),
Args(MakeMap("foo", "bar")).Rets("[&foo=bar]"),
Args(reprer{}).Rets("<reprer>"),
Args(nonReprer{}).Rets("<unknown {}>"),
})
}