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kiwi_test.go
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kiwi_test.go
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package kiwi
import (
"fmt"
"os"
"path/filepath"
"reflect"
"testing"
"unsafe"
"github.com/kardianos/osext"
)
// The currently running process's name,
// Set in TestMain.
var currentProcessName string
func TestMain(m *testing.M) {
// Get current executable name.
fn, err := osext.Executable()
if err != nil {
panic(fmt.Sprintf("Error trying to get executable name. Error: %s\n", err.Error()))
}
currentProcessName = filepath.Base(fn)
// Run tests and exit.
os.Exit(m.Run())
}
func TestGetProcessByPID(t *testing.T) {
// Get process using kiwi.
pid := os.Getpid()
_, err := GetProcessByPID(pid)
if err != nil {
t.Fatalf("Error trying to open process with PID %d, Error: %s\n", pid, err.Error())
}
}
func TestGetProcessByFileName(t *testing.T) {
// Get process using kiwi.
_, err := GetProcessByFileName(currentProcessName)
if err != nil {
t.Fatalf("Error trying to open process \"%s\", Error: %s\n", currentProcessName, err.Error())
}
}
func TestRead(t *testing.T) {
tests := []struct {
name string
runTest func(p Process, t *testing.T) (error, interface{}, interface{})
}{
{
name: "uint8",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var orgVar uint8 = 243
readVar, err := p.ReadUint8(uintptr(unsafe.Pointer(&orgVar)))
return err, orgVar, readVar
},
},
{
name: "uint16",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var orgVar uint16 = 65523
readVar, err := p.ReadUint16(uintptr(unsafe.Pointer(&orgVar)))
return err, orgVar, readVar
},
},
{
name: "uint32",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var orgVar uint32 = 4282681632
readVar, err := p.ReadUint32(uintptr(unsafe.Pointer(&orgVar)))
return err, orgVar, readVar
},
},
{
name: "uint64",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var orgVar uint64 = 18437214073702121416
readVar, err := p.ReadUint64(uintptr(unsafe.Pointer(&orgVar)))
return err, orgVar, readVar
},
},
{
name: "int8",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var orgVar int8 = 125
readVar, err := p.ReadInt8(uintptr(unsafe.Pointer(&orgVar)))
return err, orgVar, readVar
},
},
{
name: "int16",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var orgVar int16 = 32524
readVar, err := p.ReadInt16(uintptr(unsafe.Pointer(&orgVar)))
return err, orgVar, readVar
},
},
{
name: "int32",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var orgVar int32 = 2121625523
readVar, err := p.ReadInt32(uintptr(unsafe.Pointer(&orgVar)))
return err, orgVar, readVar
},
},
{
name: "int64",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var orgVar int64 = 9217263856192656271
readVar, err := p.ReadInt64(uintptr(unsafe.Pointer(&orgVar)))
return err, orgVar, readVar
},
},
{
name: "float32",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var orgVar float32 = 2515123.0321
readVar, err := p.ReadFloat32(uintptr(unsafe.Pointer(&orgVar)))
return err, orgVar, readVar
},
},
{
name: "float64",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var orgVar float64 = 782658917272.1512
readVar, err := p.ReadFloat64(uintptr(unsafe.Pointer(&orgVar)))
return err, orgVar, readVar
},
},
{
name: "bytes",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
orgVar := []byte{5, 4, 3, 2, 1}
readVar, err := p.ReadBytes(uintptr(unsafe.Pointer(&orgVar[0])), len(orgVar))
return err, orgVar, readVar
},
},
{
name: "null_terminated_utf8_string",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
expected := "Hello, 世界"
orgVar := append([]byte(expected), 0x00)
readVar, err := p.ReadNullTerminatedUTF8String(uintptr(unsafe.Pointer(&orgVar[0])))
return err, readVar, expected
},
},
{
name: "null_terminated_utf16_string",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
expected := "0123"
orgVar := []byte{0x30, 0x00, 0x31, 0x00, 0x32, 0x00, 0x33, 0x00, 0x00, 0x00}
readVar, err := p.ReadNullTerminatedUTF16String(uintptr(unsafe.Pointer(&orgVar[0])))
return err, readVar, expected
},
},
{
name: "null_terminated_utf16_string_bigendian_bom",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
expected := "0123"
orgVar := []byte{0xFE, 0xFF, 0x00, 0x30, 0x00, 0x31, 0x00, 0x32, 0x00, 0x33, 0x00, 0x00}
readVar, err := p.ReadNullTerminatedUTF16String(uintptr(unsafe.Pointer(&orgVar[0])))
return err, readVar, expected
},
},
}
for _, tst := range tests {
t.Run(tst.name, func(t *testing.T) {
// Get process using kiwi.
p, err := GetProcessByFileName(currentProcessName)
if err != nil {
t.Fatalf("Error trying to open process \"%s\", Error: %s\n", currentProcessName, err.Error())
}
// Run the test.
err, got, want := tst.runTest(p, t)
if err != nil {
t.Fatalf("Error trying to read. Error: %s\n", err.Error())
}
// Check the results.
if !reflect.DeepEqual(got, want) {
t.Fatalf("Read values are not the same. Original: %v, Read: %v\n", got, want)
}
})
}
}
func TestWrite(t *testing.T) {
tests := []struct {
name string
runTest func(p Process, t *testing.T) (error, interface{}, interface{})
}{
{
name: "uint8",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var expected uint8 = 243
var outVar uint8 = 0
err := p.WriteUint8(uintptr(unsafe.Pointer(&outVar)), expected)
return err, outVar, expected
},
},
{
name: "uint16",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var expected uint16 = 65523
var outVar uint16 = 0
err := p.WriteUint16(uintptr(unsafe.Pointer(&outVar)), expected)
return err, outVar, expected
},
},
{
name: "uint32",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var expected uint32 = 4282681632
var outVar uint32 = 0
err := p.WriteUint32(uintptr(unsafe.Pointer(&outVar)), expected)
return err, outVar, expected
},
},
{
name: "uint64",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var expected uint64 = 18437214073702121416
var outVar uint64 = 0
err := p.WriteUint64(uintptr(unsafe.Pointer(&outVar)), expected)
return err, outVar, expected
},
},
{
name: "int8",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var expected int8 = 125
var outVar int8 = 0
err := p.WriteInt8(uintptr(unsafe.Pointer(&outVar)), expected)
return err, outVar, expected
},
},
{
name: "int16",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var expected int16 = 32524
var outVar int16 = 0
err := p.WriteInt16(uintptr(unsafe.Pointer(&outVar)), expected)
return err, outVar, expected
},
},
{
name: "int32",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var expected int32 = 2121625523
var outVar int32 = 0
err := p.WriteInt32(uintptr(unsafe.Pointer(&outVar)), expected)
return err, outVar, expected
},
},
{
name: "int64",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var expected int64 = 9217263856192656271
var outVar int64 = 0
err := p.WriteInt64(uintptr(unsafe.Pointer(&outVar)), expected)
return err, outVar, expected
},
},
{
name: "float32",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var expected float32 = 2515123.0321
var outVar float32 = 0
err := p.WriteFloat32(uintptr(unsafe.Pointer(&outVar)), expected)
return err, outVar, expected
},
},
{
name: "float64",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
var expected float64 = 782658917272.1512
var outVar float64 = 0
err := p.WriteFloat64(uintptr(unsafe.Pointer(&outVar)), expected)
return err, outVar, expected
},
},
{
name: "bytes",
runTest: func(p Process, t *testing.T) (error, interface{}, interface{}) {
expected := []byte{5, 4, 3, 2, 1}
outVar := make([]byte, 5)
err := p.WriteBytes(uintptr(unsafe.Pointer(&outVar[0])), expected)
return err, outVar, expected
},
},
}
for _, tst := range tests {
t.Run(tst.name, func(t *testing.T) {
// Get process using kiwi.
p, err := GetProcessByFileName(currentProcessName)
if err != nil {
t.Fatalf("Error trying to open process \"%s\", Error: %s\n", currentProcessName, err.Error())
}
// Run the test.
err, got, want := tst.runTest(p, t)
if err != nil {
t.Fatalf("Error trying to write. Error: %s\n", err.Error())
}
// Check the results.
if !reflect.DeepEqual(got, want) {
t.Fatalf("Written value does not match expected. Got: %v, Expected: %v\n", got, want)
}
})
}
}