plan 10 re-check: cut run column, damaged undo run, emptied directory cleanup, text turning binary, explain flags, interrupt docsv0.0.7

1 files changed, 6 insertions, 3 deletions

diff --git a/internal/extract/plain_test.go b/internal/extract/plain_test.go
index 045ea26..f49caf8 100644
--- a/internal/extract/plain_test.go
+++ b/internal/extract/plain_test.go
@@ -154,12 +154,15 @@ func TestToolsListedInOrder(t *testing.T) {
 // but the file goes on to hold an invalid UTF-8 byte and a NUL past that
 // sample — sniffText must reject the whole file, not just decode what the
 // sample alone promised (it must not fall back to Latin-1 the way a known
-// text extension would).
+// text extension would). It is not "no text in this format" either: the
+// text it began with could hold a keyword, so it is ErrMixed, a read
+// failure, and a content exclude fails closed on it (plan 10 re-check R4).
 func TestSniffWholeFileMustBeValid(t *testing.T) {
 	e := newWithPath("")
 	data := append([]byte(strings.Repeat("x", 8192)), 0xFF, 0x00)
-	if _, err := text(t, e, file(t, "blob.data", data), 0); !errors.Is(err, ErrUnsupported) {
-		t.Errorf("got %v, want ErrUnsupported", err)
+	_, err := text(t, e, file(t, "blob.data", data), 0)
+	if !errors.Is(err, ErrMixed) || errors.Is(err, ErrUnsupported) {
+		t.Errorf("got %v, want ErrMixed and not ErrUnsupported", err)
 	}
 }