From 621e49bb465f500cc46d47e39e828cf76d6381d7 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 24 Jul 2018 14:35:44 +0200 Subject: update vendor --- vendor/golang.org/x/net/bpf/vm_ret_test.go | 115 +++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 vendor/golang.org/x/net/bpf/vm_ret_test.go (limited to 'vendor/golang.org/x/net/bpf/vm_ret_test.go') diff --git a/vendor/golang.org/x/net/bpf/vm_ret_test.go b/vendor/golang.org/x/net/bpf/vm_ret_test.go new file mode 100644 index 0000000..2d86eae --- /dev/null +++ b/vendor/golang.org/x/net/bpf/vm_ret_test.go @@ -0,0 +1,115 @@ +// 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 TestVMRetA(t *testing.T) { + vm, done, err := testVM(t, []bpf.Instruction{ + bpf.LoadAbsolute{ + Off: 8, + Size: 1, + }, + 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, + 9, + }) + if err != nil { + t.Fatalf("unexpected error while running program: %v", err) + } + if want, got := 1, out; want != got { + t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d", + want, got) + } +} + +func TestVMRetALargerThanInput(t *testing.T) { + vm, done, err := testVM(t, []bpf.Instruction{ + bpf.LoadAbsolute{ + Off: 8, + Size: 2, + }, + 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, 255, + }) + if err != nil { + t.Fatalf("unexpected error while running program: %v", err) + } + if want, got := 2, out; want != got { + t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d", + want, got) + } +} + +func TestVMRetConstant(t *testing.T) { + vm, done, err := testVM(t, []bpf.Instruction{ + bpf.RetConstant{ + Val: 9, + }, + }) + 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, + }) + if err != nil { + t.Fatalf("unexpected error while running program: %v", err) + } + if want, got := 1, out; want != got { + t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d", + want, got) + } +} + +func TestVMRetConstantLargerThanInput(t *testing.T) { + vm, done, err := testVM(t, []bpf.Instruction{ + bpf.RetConstant{ + Val: 16, + }, + }) + 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, + }) + if err != nil { + t.Fatalf("unexpected error while running program: %v", err) + } + if want, got := 2, out; want != got { + t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d", + want, got) + } +} -- cgit v1.2.3