boolean/expr_test.go

24 lines
439 B
Go

package boolean
import (
"testing"
"fmt"
"bufio"
"strings"
)
func TestSimpleExpr(t *testing.T) {
stream := bufio.NewReader(strings.NewReader("(x + 10) + 5 + -10"))
token_stream, err := Tokenize(stream)
if err != nil {
t.Error(err)
}
expr, err := ParseExpr(token_stream)
if err != nil {
t.Error(err)
}
fmt.Printf("EVAL : %s - %s\n", expr, expr.Value(map[string]Expr{
"x": NumericConstant{2.5},
}))
}