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This commit is contained in:
saxon 2018-07-17 00:07:34 +09:30
parent d73dea687a
commit 41746a8844
1 changed files with 60 additions and 20 deletions

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@ -33,39 +33,37 @@ import (
)
const (
byteSize = 1
int32Size = 4
int64Size = 8
arrStart = 0
arrEnd = 5
arrSize = 6
inc = 3
dec = 3
)
var (
byteArr = [...]byte{0x01,0x02,0x03,0x04,0x05,0x06}
int32Arr = [...]int32{1,2,3,4,5,6}
int64Arr = [...]int64{1,2,3,4,5,6}
byteArr = [arrSize]byte{0x01,0x02,0x03,0x04,0x05,0x06}
int32Arr = [arrSize]int32{1,2,3,4,5,6}
int64Arr = [arrSize]int64{1,2,3,4,5,6}
errMsg = "Obtained: %v, but wanted: %v"
)
func TestIncPtr(t *testing.T){
errMsg := "Obtained: %v, but wanted: %v"
// Test how it deals with bytes
bytePtr := unsafe.Pointer(&byteArr[0])
inc := 4
bytePtr := unsafe.Pointer(&byteArr[arrStart])
valueByte := *(*byte)(incPtr(bytePtr,inc,byteSize))
if valueByte != byteArr[inc] {
t.Errorf(errMsg,valueByte,byteArr[inc])
}
// Test how it deals with ints
intPtr := unsafe.Pointer(&int32Arr[0])
inc = 3
valueInt32 := *(*int32)(incPtr(intPtr,inc,int32Size))
// Test how it deals with int32s
int32Ptr := unsafe.Pointer(&int32Arr[arrStart])
valueInt32 := *(*int32)(incPtr(int32Ptr,inc,int32Size))
if valueInt32 != int32Arr[inc] {
t.Errorf(errMsg,valueInt32,int32Arr[inc])
}
// Test how it deals with int64
int64Ptr := unsafe.Pointer(&int64Arr[0])
inc = 5
int64Ptr := unsafe.Pointer(&int64Arr[arrStart])
valueInt64 := *(*int64)(incPtr(int64Ptr,inc,int64Size))
if valueInt64 != int64Arr[inc] {
t.Errorf(errMsg,valueInt64,int64Arr[inc])
@ -73,14 +71,56 @@ func TestIncPtr(t *testing.T){
}
func TestDecPtr(t *testing.T){
// Test how it deals with bytes
bytePtr := unsafe.Pointer(&byteArr[arrEnd ])
valueByte := *(*byte)(decPtr(bytePtr,dec,byteSize))
if valueByte != byteArr[arrEnd-dec] {
t.Errorf(errMsg,valueByte,byteArr[inc])
}
// Test how it deals with ints
int32Ptr := unsafe.Pointer(&int32Arr[arrEnd])
valueInt32 := *(*int32)(decPtr(int32Ptr,dec,int32Size))
if valueInt32 != int32Arr[arrEnd-inc] {
t.Errorf(errMsg,valueInt32,int32Arr[inc])
}
// Test how it deals with int64
int64Ptr := unsafe.Pointer(&int64Arr[arrEnd])
valueInt64 := *(*int64)(decPtr(int64Ptr,dec,int64Size))
if valueInt64 != int64Arr[arrEnd-dec] {
t.Errorf(errMsg,valueInt64,int64Arr[inc])
}
}
func TestIndxBytePtr(t *testing.T) {
// Test how it deals with bytes
bytePtr := unsafe.Pointer(&byteArr[arrStart])
valueByte := indxBytePtr(bytePtr,inc)
if valueByte != byteArr[inc] {
t.Errorf(errMsg,valueByte,byteArr[inc])
}
}
func TestIndxInt32Ptr(t *testing.T) {
// Test how it deals with int32s
int32Ptr := unsafe.Pointer(&int32Arr[arrStart])
valueInt32 := indxInt32Ptr(int32Ptr,inc)
if valueInt32 != int32Arr[inc] {
t.Errorf(errMsg,valueInt32,int32Arr[inc])
}
}
func TestIndxInt64Ptr(t *testing.T) {
// Test how it deals with int64
int64Ptr := unsafe.Pointer(&int64Arr[arrStart])
valueInt64 := indxInt64Ptr(int64Ptr,inc)
if valueInt64 != int64Arr[inc] {
t.Errorf(errMsg,valueInt64,int64Arr[inc])
}
}
/*
func TestPtrToSlice(t *testing.T){
}
*/
func TestIndxPtr(t *testing.T){
}