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|
package core
import (
"bytes"
"fmt"
"testing"
"unsafe"
)
func TestRoundToPageSize(t *testing.T) {
fmt.Println("System page size:", pageSize, "bytes")
if roundToPageSize(0) != 0 {
t.Error("failed with test input 0")
}
if roundToPageSize(1) != pageSize {
t.Error("failed with test input 1")
}
if roundToPageSize(pageSize) != pageSize {
t.Error("failed with test input page_size")
}
if roundToPageSize(pageSize+1) != 2*pageSize {
t.Error("failed with test input page_size + 1")
}
}
func TestGetBytes(t *testing.T) {
// Allocate an ordinary buffer.
buffer := make([]byte, 32)
// Get am alternate reference to it using our slice builder.
derived := getBytes(&buffer[0], len(buffer))
// Check for naive equality.
if !bytes.Equal(buffer, derived) {
t.Error("naive equality check failed")
}
// Modify and check if the change was reflected in both.
buffer[0] = 1
buffer[31] = 1
if !bytes.Equal(buffer, derived) {
t.Error("modified equality check failed")
}
// Do a deep comparison.
if uintptr(unsafe.Pointer(&buffer[0])) != uintptr(unsafe.Pointer(&derived[0])) {
t.Error("pointer values differ")
}
if len(buffer) != len(derived) || cap(buffer) != cap(derived) {
t.Error("length or capacity values differ")
}
}
|
