token/token_test.go

package token

import "testing"

func TestTypeString(t *testing.T) {
	tests := []struct {
		typ  Type
		want string
	}{
		{Number, "Number"},
		{Plus, "+"},
		{Minus, "-"},
		{Star, "*"},
		{Slash, "/"},
		{LParen, "("},
		{RParen, ")"},
		{EOF, "EOF"},
		{Type(99), "Unknown(99)"},
	}
	for _, tc := range tests {
		if got := tc.typ.String(); got != tc.want {
			t.Errorf("Type(%d).String() = %q, want %q", int(tc.typ), got, tc.want)
		}
	}
}