/*
* Copyright ( c ) 2022 , Oracle and / or its affiliates . All rights reserved .
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
#include "precompiled.hpp"
#include "memory/allocation.inline.hpp"
#include "unittest.hpp"
using Element = struct TestArrayAllocatorElement {
double a;
int b;
};
static void fill(Element* elements, int start, int size) {
for (int i = 0 ; i < size; i++) {
new (&elements[start + i]) Element{0 .0 , start + i};
}
}
static Element* allocate_and_fill(int size) {
Element* const elements = MallocArrayAllocator<Element>::allocate(size, mtTest);
fill(elements, 0 , size);
return elements;
}
TEST_VM(ArrayAllocator, allocate) {
const int size = 10 ;
Element* const elements = allocate_and_fill(size);
for (int i = 0 ; i < size; i++) {
ASSERT_EQ(elements[i].b, i);
}
MallocArrayAllocator<Element>::free(elements);
}
TEST_VM(ArrayAllocator, reallocate_0) {
const int size = 10 ;
Element* const elements = allocate_and_fill(size);
Element* const ret = MallocArrayAllocator<Element>::reallocate(elements, 0 , mtTest);
ASSERT_NE(ret, nullptr) << "We've chosen to NOT return nullptr when reallcting with 0" ;
MallocArrayAllocator<Element>::free(ret);
}
TEST_VM(ArrayAllocator, reallocate_shrink) {
const int size = 10 ;
Element* const elements = allocate_and_fill(size);
Element* const ret = MallocArrayAllocator<Element>::reallocate(elements, size / 2 , mtTest);
for (int i = 0 ; i < size / 2 ; i++) {
ASSERT_EQ(ret[i].b, i);
}
MallocArrayAllocator<Element>::free(ret);
}
TEST_VM(ArrayAllocator, reallocate_grow) {
const int size = 10 ;
Element* const elements = allocate_and_fill(size);
Element* const ret = MallocArrayAllocator<Element>::reallocate(elements, size * 2 , mtTest);
fill(ret, size, size);
for (int i = 0 ; i < size * 2 ; i++) {
ASSERT_EQ(ret[i].b, i);
}
MallocArrayAllocator<Element>::free(ret);
}
Messung V0.5 in Prozent C=88 H=92 G=89
¤ Dauer der Verarbeitung: 0.3 Sekunden
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