whatcanGOwrong

go/pkg/mod/github.com/cilium/ebpf@v0.11.0/internal/io_test.go

@@ -0,0 +1,19 @@
+package internal
+
+import (
+	"bytes"
+	"io"
+	"testing"
+)
+
+func TestDiscardZero(t *testing.T) {
+	_, err := io.Copy(DiscardZeroes{}, bytes.NewReader([]byte{0, 0, 0}))
+	if err != nil {
+		t.Error("Returned an error even though input was zero:", err)
+	}
+
+	_, err = io.Copy(DiscardZeroes{}, bytes.NewReader([]byte{1}))
+	if err == nil {
+		t.Error("No error even though input is non-zero")
+	}
+}