summaryrefslogtreecommitdiff
path: root/vendor/golang.org/x/net/bpf/vm_extension_test.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/golang.org/x/net/bpf/vm_extension_test.go')
-rw-r--r--vendor/golang.org/x/net/bpf/vm_extension_test.go49
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/bpf/vm_extension_test.go b/vendor/golang.org/x/net/bpf/vm_extension_test.go
new file mode 100644
index 0000000..7a48c82
--- /dev/null
+++ b/vendor/golang.org/x/net/bpf/vm_extension_test.go
@@ -0,0 +1,49 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package bpf_test
+
+import (
+ "testing"
+
+ "golang.org/x/net/bpf"
+)
+
+func TestVMLoadExtensionNotImplemented(t *testing.T) {
+ _, _, err := testVM(t, []bpf.Instruction{
+ bpf.LoadExtension{
+ Num: 100,
+ },
+ bpf.RetA{},
+ })
+ if errStr(err) != "extension 100 not implemented" {
+ t.Fatalf("unexpected error: %v", err)
+ }
+}
+
+func TestVMLoadExtensionExtLen(t *testing.T) {
+ vm, done, err := testVM(t, []bpf.Instruction{
+ bpf.LoadExtension{
+ Num: bpf.ExtLen,
+ },
+ bpf.RetA{},
+ })
+ if err != nil {
+ t.Fatalf("failed to load BPF program: %v", err)
+ }
+ defer done()
+
+ out, err := vm.Run([]byte{
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0, 1, 2, 3,
+ })
+ if err != nil {
+ t.Fatalf("unexpected error while running program: %v", err)
+ }
+ if want, got := 4, out; want != got {
+ t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
+ want, got)
+ }
+}