29 lines
664 B
Go
29 lines
664 B
Go
// SPDX-License-Identifier: Unlicense
|
|
|
|
// Package test contains helpers for testing parsers.
|
|
package test
|
|
|
|
import (
|
|
"io"
|
|
|
|
"git.codemonkeysoftware.net/b/gigaparsec"
|
|
"github.com/shoenig/test"
|
|
)
|
|
|
|
type errReaderAt struct {
|
|
err error
|
|
}
|
|
|
|
func (r errReaderAt) ReadAt([]byte, int64) (int, error) {
|
|
return 0, r.err
|
|
}
|
|
|
|
// ErrReaderAt returns an [io.ReaderAt] with a ReadAt method that always returns err.
|
|
func ErrReaderAt(err error) io.ReaderAt {
|
|
return errReaderAt{err: err}
|
|
}
|
|
|
|
func StateIsAt[Input any](t test.T, s gigaparsec.State[Input], pos uint64) {
|
|
test.EqOp(t, pos, s.Pos(), test.Sprintf("expected parser state to be at position %d, got %d", pos, s.Pos()))
|
|
}
|