1 files changed, 13 insertions, 0 deletions
diff --git a/test/internal/testsuite/ptrace_test.go b/test/internal/testsuite/ptrace_test.go
new file mode 100644
index 00000000..eaaed131
--- /dev/null
+++ b/test/internal/testsuite/ptrace_test.go
@@ -0,0 +1,13 @@
+package testsuite
+
+import (
+	"syscall"
+	"testing"
+	"unsafe"
+)
+
+func TestBlockSize(t *testing.T) {
+	if sz := unsafe.Sizeof(syscall.SockFilter{}); sz != 8 {
+		t.Fatalf("invalid filter block size %d", sz)
+	}
+}