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Add test suite for viralloc APIs
In debugging a crash on OOM, I thought that the virInsert APIs might be at fault, but couldn't isolate them as a cause. While the viralloc APIs are used in many test suites, this is as a side-effect, they are not directly tested :-) Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange
parent
f22b7899a8
commit
18dc77d3b5
@ -144,6 +144,7 @@ test_programs = virshtest sockettest \
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viratomictest \
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utiltest shunloadtest \
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virtimetest viruritest virkeyfiletest \
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viralloctest \
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virauthconfigtest \
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virbitmaptest \
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vircgrouptest \
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@ -937,6 +938,10 @@ virkeyfiletest_SOURCES = \
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virkeyfiletest.c testutils.h testutils.c
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virkeyfiletest_LDADD = $(LDADDS)
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viralloctest_SOURCES = \
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viralloctest.c testutils.h testutils.c
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viralloctest_LDADD = $(LDADDS)
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virauthconfigtest_SOURCES = \
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virauthconfigtest.c testutils.h testutils.c
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virauthconfigtest_LDADD = $(LDADDS)
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407
tests/viralloctest.c
Normal file
407
tests/viralloctest.c
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@ -0,0 +1,407 @@
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/*
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* viralloctest.c: Test memory allocation APIs
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*
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* Copyright (C) 2014 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#include <config.h>
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#include <viralloc.h>
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#include "testutils.h"
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#define VIR_FROM_THIS VIR_FROM_NONE
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typedef struct testDummyStruct {
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int a;
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int b;
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} testDummyStruct;
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static int
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testCheckNonNull(void *t)
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{
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if (t == NULL) {
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fprintf(stderr, "Allocation succeeded but pointer is NULL\n");
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return -1;
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}
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return 0;
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}
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static int
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testAllocScalar(const void *opaque ATTRIBUTE_UNUSED)
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{
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testDummyStruct *t;
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int ret = -1;
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if (VIR_ALLOC(t) < 0)
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return -1;
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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if (t->a != 0 ||
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t->b != 0) {
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fprintf(stderr, "Allocated ram was not zerod\n");
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goto cleanup;
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}
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VIR_FREE(t);
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if (t != NULL) {
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fprintf(stderr, "Pointer is still set after free\n");
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(t);
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return ret;
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}
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static int
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testAllocArray(const void *opaque ATTRIBUTE_UNUSED)
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{
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testDummyStruct *t;
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size_t nt = 10, i;
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int ret = -1;
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if (VIR_ALLOC_N(t, nt) < 0)
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return -1;
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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for (i = 0; i < nt; i++) {
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if (t[i].a != 0 ||
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t[i].b != 0) {
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fprintf(stderr, "Allocated ram block %zu was not zerod\n", i);
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goto cleanup;
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}
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}
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VIR_FREE(t);
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if (t != NULL) {
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fprintf(stderr, "Pointer is still set after free\n");
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(t);
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return ret;
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}
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static int
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testReallocArray(const void *opaque ATTRIBUTE_UNUSED)
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{
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testDummyStruct *t;
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size_t nt = 10, i;
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int ret = -1;
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if (VIR_ALLOC_N(t, nt) < 0)
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return -1;
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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for (i = 0; i < nt; i++) {
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t[i].a = 10;
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t[i].b = 20;
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}
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if (VIR_REALLOC_N(t, nt + 5) < 0)
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goto cleanup;
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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for (i = 0; i < nt; i++) {
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if (t[i].a != 10 ||
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t[i].b != 20) {
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fprintf(stderr, "Reallocated ram block %zu lost data\n", i);
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goto cleanup;
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}
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}
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if (VIR_REALLOC_N(t, nt) < 0)
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goto cleanup;
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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for (i = 0; i < nt; i++) {
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if (t[i].a != 10 ||
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t[i].b != 20) {
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fprintf(stderr, "Reallocated ram block %zu lost data\n", i);
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goto cleanup;
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}
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}
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if (VIR_REALLOC_N(t, nt - 5) < 0)
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goto cleanup;
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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for (i = 0; i < (nt - 5); i++) {
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if (t[i].a != 10 ||
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t[i].b != 20) {
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fprintf(stderr, "Reallocated ram block %zu lost data\n", i);
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goto cleanup;
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}
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}
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VIR_FREE(t);
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if (t != NULL) {
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fprintf(stderr, "Pointer is still set after free\n");
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(t);
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return ret;
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}
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static int
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testExpandArray(const void *opaque ATTRIBUTE_UNUSED)
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{
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testDummyStruct *t;
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size_t nt = 10, i;
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int ret = -1;
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if (VIR_ALLOC_N(t, nt) < 0)
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return -1;
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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for (i = 0; i < nt; i++) {
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t[i].a = 10;
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t[i].b = 20;
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}
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if (VIR_EXPAND_N(t, nt, 5) < 0)
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goto cleanup;
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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for (i = 0; i < (nt - 5); i++) {
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if (t[i].a != 10 ||
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t[i].b != 20) {
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fprintf(stderr, "Reallocated ram block %zu lost data\n", i);
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goto cleanup;
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}
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}
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for (i = (nt - 5); i < nt; i++) {
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if (t[i].a != 0 ||
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t[i].b != 0) {
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fprintf(stderr, "New ram block %zu was not zerod\n", i);
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goto cleanup;
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}
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}
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VIR_SHRINK_N(t, nt, 5);
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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for (i = 0; i < nt; i++) {
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if (t[i].a != 10 ||
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t[i].b != 20) {
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fprintf(stderr, "Reallocated ram block %zu lost data\n", i);
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goto cleanup;
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}
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}
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VIR_SHRINK_N(t, nt, 5);
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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for (i = 0; i < nt; i++) {
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if (t[i].a != 10 ||
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t[i].b != 20) {
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fprintf(stderr, "Reallocated ram block %zu lost data\n", i);
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goto cleanup;
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}
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}
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VIR_FREE(t);
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if (t != NULL) {
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fprintf(stderr, "Pointer is still set after free\n");
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(t);
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return ret;
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}
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static int
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testResizeArray(const void *opaque ATTRIBUTE_UNUSED)
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{
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testDummyStruct *t;
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size_t nt = 10, at, i;
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int ret = -1;
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if (VIR_ALLOC_N(t, nt) < 0)
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return -1;
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at = nt;
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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for (i = 0; i < nt; i++) {
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t[i].a = 10;
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t[i].b = 20;
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}
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if (VIR_RESIZE_N(t, at, nt, 8) < 0)
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goto cleanup;
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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if (at != 18) {
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fprintf(stderr, "Expected allocation of 16 not %zu\n", at);
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goto cleanup;
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}
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for (i = 0; i < at; i++) {
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if (i >= nt) {
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if (t[i].a != 0 ||
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t[i].b != 0) {
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fprintf(stderr, "New ram block %zu was not zerod\n", i);
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goto cleanup;
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}
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} else {
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if (t[i].a != 10 ||
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t[i].b != 20) {
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fprintf(stderr, "Reallocated ram block %zu lost data\n", i);
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goto cleanup;
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}
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}
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}
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VIR_FREE(t);
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if (t != NULL) {
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fprintf(stderr, "Pointer is still set after free\n");
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(t);
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return ret;
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}
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static int
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testInsertArray(const void *opaque ATTRIBUTE_UNUSED)
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{
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testDummyStruct **t;
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size_t nt = 10, i;
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int ret = -1;
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testDummyStruct *n = (void *)0xff;
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if (VIR_ALLOC_N(t, nt) < 0)
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return -1;
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if (testCheckNonNull(t) < 0)
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goto cleanup;
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for (i = 0; i < nt; i++)
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t[i] = (void*)0x50;
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if (VIR_INSERT_ELEMENT(t, 3, nt, n) < 0) {
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if (nt != 10) {
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fprintf(stderr, "Expecting array size 10 after OOM not %zu\n", nt);
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goto cleanup;
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}
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goto cleanup;
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}
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if (nt != 11) {
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fprintf(stderr, "Expecting array size 11 not %zu\n", nt);
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goto cleanup;
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}
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if (n != NULL) {
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fprintf(stderr, "Expecting element to be set to NULL\n");
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goto cleanup;
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}
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for (i = 0; i < nt; i++) {
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void *expect = i == 3 ? (void *)0xff : (void*)0x50;
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if (t[i] != expect) {
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fprintf(stderr, "Expecting %p at offset %zu not %p\n",
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expect, i, t[i]);
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goto cleanup;
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}
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}
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VIR_FREE(t);
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if (t != NULL) {
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fprintf(stderr, "Pointer is still set after free\n");
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(t);
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return ret;
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}
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static int
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mymain(void)
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{
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int ret = 0;
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if (virtTestRun("alloc scalar", testAllocScalar, NULL) < 0)
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ret = -1;
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if (virtTestRun("alloc array", testAllocArray, NULL) < 0)
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ret = -1;
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if (virtTestRun("realloc array", testReallocArray, NULL) < 0)
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ret = -1;
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if (virtTestRun("expand array", testExpandArray, NULL) < 0)
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ret = -1;
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if (virtTestRun("resize array", testResizeArray, NULL) < 0)
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ret = -1;
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if (virtTestRun("insert array", testInsertArray, NULL) < 0)
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ret = -1;
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return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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VIRT_TEST_MAIN(mymain)
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