package mode

import "testing"

// TestIsOpenMode covers the predicate IsOpen delegates to. The test cannot set
// the ACLMode global itself: package globals are immutable outside init.
func TestIsOpenMode(t *testing.T) {
	if !IsOpenMode([]byte("none")) {
		t.Fatal("none should be open")
	}
	if IsOpenMode([]byte("follows")) {
		t.Fatal("follows should not be open")
	}
	if IsOpenMode(nil) {
		t.Fatal("nil should not be open")
	}
	if IsOpenMode([]byte("non")) {
		t.Fatal("a short value should not be open")
	}
	if IsOpenMode([]byte("nonex")) {
		t.Fatal("a long value should not be open")
	}
	if IsOpenMode([]byte("nome")) {
		t.Fatal("a same-length different value should not be open")
	}
}