github.com/markusbkk/elvish@v0.0.0-20231204143114-91dc52438621/pkg/eval/vals/repr_test.go (about)

     1  package vals
     2  
     3  import (
     4  	"fmt"
     5  	"math/big"
     6  	"os"
     7  	"testing"
     8  
     9  	. "github.com/markusbkk/elvish/pkg/tt"
    10  )
    11  
    12  type reprer struct{}
    13  
    14  func (reprer) Repr(int) string { return "<reprer>" }
    15  
    16  type nonReprer struct{}
    17  
    18  func TestReprPlain(t *testing.T) {
    19  	Test(t, Fn("ReprPlain", ReprPlain), Table{
    20  		Args(nil).Rets("$nil"),
    21  
    22  		Args(false).Rets("$false"),
    23  		Args(true).Rets("$true"),
    24  
    25  		Args("foo").Rets("foo"),
    26  
    27  		Args(1).Rets("(num 1)"),
    28  		Args(bigInt(z)).Rets("(num " + z + ")"),
    29  		Args(big.NewRat(1, 2)).Rets("(num 1/2)"),
    30  		Args(1.0).Rets("(num 1.0)"),
    31  		Args(1e10).Rets("(num 10000000000.0)"),
    32  
    33  		Args(os.Stdin).Rets(
    34  			fmt.Sprintf("<file{%s %d}>", os.Stdin.Name(), os.Stdin.Fd())),
    35  
    36  		Args(EmptyList).Rets("[]"),
    37  		Args(MakeList("foo", "bar")).Rets("[foo bar]"),
    38  
    39  		Args(EmptyMap).Rets("[&]"),
    40  		Args(MakeMap("foo", "bar")).Rets("[&foo=bar]"),
    41  
    42  		Args(reprer{}).Rets("<reprer>"),
    43  		Args(nonReprer{}).Rets("<unknown {}>"),
    44  	})
    45  }