/
syscallinfo_test.go
210 lines (196 loc) · 4.44 KB
/
syscallinfo_test.go
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// Copyright 2015 The syscallinfo 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 syscallinfo_test
import (
"fmt"
"testing"
"github.com/jroimartin/syscallinfo"
"github.com/jroimartin/syscallinfo/linux_386"
)
var checksResolution = []struct {
num int
entry string
context []syscallinfo.Context
nilError bool
}{
{
3,
"sys_read",
[]syscallinfo.Context{
syscallinfo.CtxFD,
syscallinfo.CtxNone,
syscallinfo.CtxNone,
},
true,
},
{
666,
"",
[]syscallinfo.Context{},
false,
},
}
func TestResolver_SyscallN(t *testing.T) {
r := syscallinfo.NewResolver(linux_386.SyscallTable)
for _, check := range checksResolution {
sc, err := r.SyscallN(check.num)
if err != nil {
if check.nilError {
t.Errorf("wrong error (want=nil, get=%v)", err)
}
continue
}
if sc.Entry != check.entry {
t.Errorf("wrong entry (want=%v, get=%v)", check.entry, sc.Entry)
}
if len(sc.Args) != len(check.context) {
t.Errorf("wrong number of arguments (want=%v, get=%v)",
len(check.context), len(sc.Args))
continue
}
for i := range sc.Args {
if sc.Args[i].Context != check.context[i] {
t.Errorf("wrong context (want=%v, get=%v)",
check.context[i], sc.Args[i].Context)
}
}
}
}
func TestResolver_SyscallEntry(t *testing.T) {
r := syscallinfo.NewResolver(linux_386.SyscallTable)
for _, check := range checksResolution {
sc, err := r.SyscallEntry(check.entry)
if err != nil {
if check.nilError {
t.Errorf("wrong error (want=nil, get=%v)", err)
}
continue
}
if sc.Num != check.num {
t.Errorf("wrong number (want=%v, get=%v)", check.num, sc.Num)
}
if len(sc.Args) != len(check.context) {
t.Errorf("wrong number of arguments (want=%v, get=%v)",
len(check.context), len(sc.Args))
continue
}
for i := range sc.Args {
if sc.Args[i].Context != check.context[i] {
t.Errorf("wrong context (want=%v, get=%v)",
check.context[i], sc.Args[i].Context)
}
}
}
}
var checksOutputs = []struct {
num int
args []uint64
retval uint64
outputCall string
output string
nilError bool
}{
{
3,
[]uint64{1, 2, 3},
4,
"read(1, 0x00000002, 0x00000003)",
"read(1, 0x00000002, 0x00000003) = 0x00000004",
true,
},
{
3,
[]uint64{1, 2},
3,
"",
"",
false,
},
{
5,
[]uint64{1, 2, 3},
4,
"open(0x00000001, 0x00000002, 0x00000003)",
"open(0x00000001, 0x00000002, 0x00000003) = 4",
true,
},
}
func TestSyscallCall_Output(t *testing.T) {
r := syscallinfo.NewResolver(linux_386.SyscallTable)
for _, check := range checksOutputs {
sc, err := r.SyscallN(check.num)
if err != nil {
if check.nilError {
t.Errorf("wrong error (want=nil, get=%v)", err)
}
continue
}
scc, err := syscallinfo.NewSyscallCall(sc, check.retval, check.args...)
if err != nil {
return
}
str, err := scc.Output(0)
if err != nil {
if check.nilError {
t.Errorf("wrong error (want=nil, get=%v)", err)
}
continue
}
if str != check.outputCall {
t.Errorf("wrong string (want=%v, get=%v)", check.outputCall, str)
}
}
}
func TestSyscallCall_String(t *testing.T) {
r := syscallinfo.NewResolver(linux_386.SyscallTable)
for _, check := range checksOutputs {
sc, err := r.SyscallN(check.num)
if err != nil {
if check.nilError {
t.Errorf("wrong error (want=nil, get=%v)", err)
}
continue
}
scc, err := syscallinfo.NewSyscallCall(sc, check.retval, check.args...)
if err != nil {
return
}
str := scc.String()
if str != check.output {
t.Errorf("wrong string (want=%v, get=%v)", check.output, str)
}
}
}
var checkHandle = struct {
num int
args []uint64
retval uint64
outputCall string
}{
3,
[]uint64{1, 2, 3},
4,
"read(test-1, 0x00000002, 0x00000003) = 0x00000004",
}
func TestContextHandler_Handle(t *testing.T) {
ch := syscallinfo.ContextHandler{}
ch.Handle(syscallinfo.CtxFD, func(n uint64) (string, error) {
return fmt.Sprintf("test-%d", n), nil
})
r := syscallinfo.NewResolver(linux_386.SyscallTable)
sc, err := r.SyscallN(checkHandle.num)
if err != nil {
t.Errorf("wrong error (want=nil, get=%v)", err)
return
}
scc, err := syscallinfo.NewSyscallCall(sc, checkHandle.retval, checkHandle.args...)
if err != nil {
return
}
scc.SetContextHandler(ch)
str := scc.String()
if str != checkHandle.outputCall {
t.Errorf("wrong string (want=%v, get=%v)", checkHandle.outputCall, str)
}
}