package parse
import (
"testing"
)
func TestAccept(t *testing.T) {
// Accept(0) will always match :)
p0 := Accept(0)
if r, s := p0(""); !r.Matched || r.Content != "" || r.Nodes != nil || s != "" {
t.Error("Invalid result for Accept's negative test", r)
}
// Test with a non-zero amount of bytes
p := Accept(1)
if r, s := p(""); r.Matched || r.Content != "" || r.Nodes != nil || s != "" {
t.Error("Invalid result for Accept's negative test", r)
}
if r, s := p("a"); !r.Matched || r.Content != "a" || r.Nodes != nil || s != "" {
t.Error("Invalid result for Accept's positive test", r)
}
}
func TestK(t *testing.T) {
p := Accept(1)
k := K(p)
if r, s := k("aaa"); !r.Matched || r.Content != "aaa" || r.Nodes == nil || s != "" {
t.Error("Invalid result for K* match test", r)
}
if r, s := k(""); !r.Matched || r.Content != "" || r.Nodes != nil || s != "" {
t.Error("Invalid result for K* no-match test", r)
}
}
func TestSeq(t *testing.T) {
p1, p2 := Accept(1), Accept(1)
s := Seq(p1, p2)
if r, s := s("aa"); !r.Matched || r.Content != "aa" || r.Nodes == nil || s != "" {
t.Error("Invalid result for Seq positive test", r)
}
if r, s := s("a"); r.Matched || r.Content != "a" || r.Nodes == nil || s != "" {
t.Error("Invalid result for Seq partial match test", r)
}
if r, s := s(""); r.Matched || r.Content != "" || r.Nodes == nil || s != "" {
t.Error("Invalid result for Seq no-match test", r)
}
}
func TestAny(t *testing.T) {
p, p0 := Accept(1), Accept(0)
a := Any(p, p0)
if r, s := a(""); !r.Matched || r.Content != "" || r.Nodes != nil || s != "" {
t.Error("Invalid result for Any match test", r)
}
if r, s := a("aa"); !r.Matched || r.Content != "a" || r.Nodes != nil || s != "a" {
t.Error("Invalid result for Any match test", r)
}
}