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-rw-r--r--qemu/tests/test-vmstate.c504
1 files changed, 0 insertions, 504 deletions
diff --git a/qemu/tests/test-vmstate.c b/qemu/tests/test-vmstate.c
deleted file mode 100644
index 713d4443b..000000000
--- a/qemu/tests/test-vmstate.c
+++ /dev/null
@@ -1,504 +0,0 @@
-/*
- * Test code for VMState
- *
- * Copyright (c) 2013 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include <glib.h>
-
-#include "qemu-common.h"
-#include "migration/migration.h"
-#include "migration/vmstate.h"
-#include "qemu/coroutine.h"
-
-static char temp_file[] = "/tmp/vmst.test.XXXXXX";
-static int temp_fd;
-
-/* Fake yield_until_fd_readable() implementation so we don't have to pull the
- * coroutine code as dependency.
- */
-void yield_until_fd_readable(int fd)
-{
- fd_set fds;
- FD_ZERO(&fds);
- FD_SET(fd, &fds);
- select(fd + 1, &fds, NULL, NULL, NULL);
-}
-
-/*
- * Some tests use 'open_test_file' to work on a real fd, some use
- * an in memory file (QEMUSizedBuffer+qemu_bufopen); we could pick one
- * but this way we test both.
- */
-
-/* Duplicate temp_fd and seek to the beginning of the file */
-static QEMUFile *open_test_file(bool write)
-{
- int fd = dup(temp_fd);
- lseek(fd, 0, SEEK_SET);
- if (write) {
- g_assert_cmpint(ftruncate(fd, 0), ==, 0);
- }
- return qemu_fdopen(fd, write ? "wb" : "rb");
-}
-
-/*
- * Check that the contents of the memory-buffered file f match
- * the given size/data.
- */
-static void check_mem_file(QEMUFile *f, void *data, size_t size)
-{
- uint8_t *result = g_malloc(size);
- const QEMUSizedBuffer *qsb = qemu_buf_get(f);
- g_assert_cmpint(qsb_get_length(qsb), ==, size);
- g_assert_cmpint(qsb_get_buffer(qsb, 0, size, result), ==, size);
- g_assert_cmpint(memcmp(result, data, size), ==, 0);
- g_free(result);
-}
-
-#define SUCCESS(val) \
- g_assert_cmpint((val), ==, 0)
-
-#define FAILURE(val) \
- g_assert_cmpint((val), !=, 0)
-
-static void save_vmstate(const VMStateDescription *desc, void *obj)
-{
- QEMUFile *f = open_test_file(true);
-
- /* Save file with vmstate */
- vmstate_save_state(f, desc, obj, NULL);
- qemu_put_byte(f, QEMU_VM_EOF);
- g_assert(!qemu_file_get_error(f));
- qemu_fclose(f);
-}
-
-static void compare_vmstate(uint8_t *wire, size_t size)
-{
- QEMUFile *f = open_test_file(false);
- uint8_t result[size];
-
- /* read back as binary */
-
- g_assert_cmpint(qemu_get_buffer(f, result, sizeof(result)), ==,
- sizeof(result));
- g_assert(!qemu_file_get_error(f));
-
- /* Compare that what is on the file is the same that what we
- expected to be there */
- SUCCESS(memcmp(result, wire, sizeof(result)));
-
- /* Must reach EOF */
- qemu_get_byte(f);
- g_assert_cmpint(qemu_file_get_error(f), ==, -EIO);
-
- qemu_fclose(f);
-}
-
-static int load_vmstate_one(const VMStateDescription *desc, void *obj,
- int version, uint8_t *wire, size_t size)
-{
- QEMUFile *f;
- int ret;
-
- f = open_test_file(true);
- qemu_put_buffer(f, wire, size);
- qemu_fclose(f);
-
- f = open_test_file(false);
- ret = vmstate_load_state(f, desc, obj, version);
- if (ret) {
- g_assert(qemu_file_get_error(f));
- } else{
- g_assert(!qemu_file_get_error(f));
- }
- qemu_fclose(f);
- return ret;
-}
-
-
-static int load_vmstate(const VMStateDescription *desc,
- void *obj, void *obj_clone,
- void (*obj_copy)(void *, void*),
- int version, uint8_t *wire, size_t size)
-{
- /* We test with zero size */
- obj_copy(obj_clone, obj);
- FAILURE(load_vmstate_one(desc, obj, version, wire, 0));
-
- /* Stream ends with QEMU_EOF, so we need at least 3 bytes to be
- * able to test in the middle */
-
- if (size > 3) {
-
- /* We test with size - 2. We can't test size - 1 due to EOF tricks */
- obj_copy(obj, obj_clone);
- FAILURE(load_vmstate_one(desc, obj, version, wire, size - 2));
-
- /* Test with size/2, first half of real state */
- obj_copy(obj, obj_clone);
- FAILURE(load_vmstate_one(desc, obj, version, wire, size/2));
-
- /* Test with size/2, second half of real state */
- obj_copy(obj, obj_clone);
- FAILURE(load_vmstate_one(desc, obj, version, wire + (size/2), size/2));
-
- }
- obj_copy(obj, obj_clone);
- return load_vmstate_one(desc, obj, version, wire, size);
-}
-
-/* Test struct that we are going to use for our tests */
-
-typedef struct TestSimple {
- bool b_1, b_2;
- uint8_t u8_1;
- uint16_t u16_1;
- uint32_t u32_1;
- uint64_t u64_1;
- int8_t i8_1, i8_2;
- int16_t i16_1, i16_2;
- int32_t i32_1, i32_2;
- int64_t i64_1, i64_2;
-} TestSimple;
-
-/* Object instantiation, we are going to use it in more than one test */
-
-TestSimple obj_simple = {
- .b_1 = true,
- .b_2 = false,
- .u8_1 = 130,
- .u16_1 = 512,
- .u32_1 = 70000,
- .u64_1 = 12121212,
- .i8_1 = 65,
- .i8_2 = -65,
- .i16_1 = 512,
- .i16_2 = -512,
- .i32_1 = 70000,
- .i32_2 = -70000,
- .i64_1 = 12121212,
- .i64_2 = -12121212,
-};
-
-/* Description of the values. If you add a primitive type
- you are expected to add a test here */
-
-static const VMStateDescription vmstate_simple_primitive = {
- .name = "simple/primitive",
- .version_id = 1,
- .minimum_version_id = 1,
- .fields = (VMStateField[]) {
- VMSTATE_BOOL(b_1, TestSimple),
- VMSTATE_BOOL(b_2, TestSimple),
- VMSTATE_UINT8(u8_1, TestSimple),
- VMSTATE_UINT16(u16_1, TestSimple),
- VMSTATE_UINT32(u32_1, TestSimple),
- VMSTATE_UINT64(u64_1, TestSimple),
- VMSTATE_INT8(i8_1, TestSimple),
- VMSTATE_INT8(i8_2, TestSimple),
- VMSTATE_INT16(i16_1, TestSimple),
- VMSTATE_INT16(i16_2, TestSimple),
- VMSTATE_INT32(i32_1, TestSimple),
- VMSTATE_INT32(i32_2, TestSimple),
- VMSTATE_INT64(i64_1, TestSimple),
- VMSTATE_INT64(i64_2, TestSimple),
- VMSTATE_END_OF_LIST()
- }
-};
-
-/* It describes what goes through the wire. Our tests are basically:
-
- * save test
- - save a struct a vmstate to a file
- - read that file back (binary read, no vmstate)
- - compare it with what we expect to be on the wire
- * load test
- - save to the file what we expect to be on the wire
- - read struct back with vmstate in a different
- - compare back with the original struct
-*/
-
-uint8_t wire_simple_primitive[] = {
- /* b_1 */ 0x01,
- /* b_2 */ 0x00,
- /* u8_1 */ 0x82,
- /* u16_1 */ 0x02, 0x00,
- /* u32_1 */ 0x00, 0x01, 0x11, 0x70,
- /* u64_1 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0xb8, 0xf4, 0x7c,
- /* i8_1 */ 0x41,
- /* i8_2 */ 0xbf,
- /* i16_1 */ 0x02, 0x00,
- /* i16_2 */ 0xfe, 0x0,
- /* i32_1 */ 0x00, 0x01, 0x11, 0x70,
- /* i32_2 */ 0xff, 0xfe, 0xee, 0x90,
- /* i64_1 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0xb8, 0xf4, 0x7c,
- /* i64_2 */ 0xff, 0xff, 0xff, 0xff, 0xff, 0x47, 0x0b, 0x84,
- QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
-};
-
-static void obj_simple_copy(void *target, void *source)
-{
- memcpy(target, source, sizeof(TestSimple));
-}
-
-static void test_simple_primitive(void)
-{
- TestSimple obj, obj_clone;
-
- memset(&obj, 0, sizeof(obj));
- save_vmstate(&vmstate_simple_primitive, &obj_simple);
-
- compare_vmstate(wire_simple_primitive, sizeof(wire_simple_primitive));
-
- SUCCESS(load_vmstate(&vmstate_simple_primitive, &obj, &obj_clone,
- obj_simple_copy, 1, wire_simple_primitive,
- sizeof(wire_simple_primitive)));
-
-#define FIELD_EQUAL(name) g_assert_cmpint(obj.name, ==, obj_simple.name)
-
- FIELD_EQUAL(b_1);
- FIELD_EQUAL(b_2);
- FIELD_EQUAL(u8_1);
- FIELD_EQUAL(u16_1);
- FIELD_EQUAL(u32_1);
- FIELD_EQUAL(u64_1);
- FIELD_EQUAL(i8_1);
- FIELD_EQUAL(i8_2);
- FIELD_EQUAL(i16_1);
- FIELD_EQUAL(i16_2);
- FIELD_EQUAL(i32_1);
- FIELD_EQUAL(i32_2);
- FIELD_EQUAL(i64_1);
- FIELD_EQUAL(i64_2);
-}
-#undef FIELD_EQUAL
-
-typedef struct TestStruct {
- uint32_t a, b, c, e;
- uint64_t d, f;
- bool skip_c_e;
-} TestStruct;
-
-static const VMStateDescription vmstate_versioned = {
- .name = "test/versioned",
- .version_id = 2,
- .minimum_version_id = 1,
- .fields = (VMStateField[]) {
- VMSTATE_UINT32(a, TestStruct),
- VMSTATE_UINT32_V(b, TestStruct, 2), /* Versioned field in the middle, so
- * we catch bugs more easily.
- */
- VMSTATE_UINT32(c, TestStruct),
- VMSTATE_UINT64(d, TestStruct),
- VMSTATE_UINT32_V(e, TestStruct, 2),
- VMSTATE_UINT64_V(f, TestStruct, 2),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void test_load_v1(void)
-{
- QEMUFile *fsave = open_test_file(true);
- uint8_t buf[] = {
- 0, 0, 0, 10, /* a */
- 0, 0, 0, 30, /* c */
- 0, 0, 0, 0, 0, 0, 0, 40, /* d */
- QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
- };
- qemu_put_buffer(fsave, buf, sizeof(buf));
- qemu_fclose(fsave);
-
- QEMUFile *loading = open_test_file(false);
- TestStruct obj = { .b = 200, .e = 500, .f = 600 };
- vmstate_load_state(loading, &vmstate_versioned, &obj, 1);
- g_assert(!qemu_file_get_error(loading));
- g_assert_cmpint(obj.a, ==, 10);
- g_assert_cmpint(obj.b, ==, 200);
- g_assert_cmpint(obj.c, ==, 30);
- g_assert_cmpint(obj.d, ==, 40);
- g_assert_cmpint(obj.e, ==, 500);
- g_assert_cmpint(obj.f, ==, 600);
- qemu_fclose(loading);
-}
-
-static void test_load_v2(void)
-{
- QEMUFile *fsave = open_test_file(true);
- uint8_t buf[] = {
- 0, 0, 0, 10, /* a */
- 0, 0, 0, 20, /* b */
- 0, 0, 0, 30, /* c */
- 0, 0, 0, 0, 0, 0, 0, 40, /* d */
- 0, 0, 0, 50, /* e */
- 0, 0, 0, 0, 0, 0, 0, 60, /* f */
- QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
- };
- qemu_put_buffer(fsave, buf, sizeof(buf));
- qemu_fclose(fsave);
-
- QEMUFile *loading = open_test_file(false);
- TestStruct obj;
- vmstate_load_state(loading, &vmstate_versioned, &obj, 2);
- g_assert_cmpint(obj.a, ==, 10);
- g_assert_cmpint(obj.b, ==, 20);
- g_assert_cmpint(obj.c, ==, 30);
- g_assert_cmpint(obj.d, ==, 40);
- g_assert_cmpint(obj.e, ==, 50);
- g_assert_cmpint(obj.f, ==, 60);
- qemu_fclose(loading);
-}
-
-static bool test_skip(void *opaque, int version_id)
-{
- TestStruct *t = (TestStruct *)opaque;
- return !t->skip_c_e;
-}
-
-static const VMStateDescription vmstate_skipping = {
- .name = "test/skip",
- .version_id = 2,
- .minimum_version_id = 1,
- .fields = (VMStateField[]) {
- VMSTATE_UINT32(a, TestStruct),
- VMSTATE_UINT32(b, TestStruct),
- VMSTATE_UINT32_TEST(c, TestStruct, test_skip),
- VMSTATE_UINT64(d, TestStruct),
- VMSTATE_UINT32_TEST(e, TestStruct, test_skip),
- VMSTATE_UINT64_V(f, TestStruct, 2),
- VMSTATE_END_OF_LIST()
- }
-};
-
-
-static void test_save_noskip(void)
-{
- QEMUFile *fsave = qemu_bufopen("w", NULL);
- TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6,
- .skip_c_e = false };
- vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
- g_assert(!qemu_file_get_error(fsave));
-
- uint8_t expected[] = {
- 0, 0, 0, 1, /* a */
- 0, 0, 0, 2, /* b */
- 0, 0, 0, 3, /* c */
- 0, 0, 0, 0, 0, 0, 0, 4, /* d */
- 0, 0, 0, 5, /* e */
- 0, 0, 0, 0, 0, 0, 0, 6, /* f */
- };
- check_mem_file(fsave, expected, sizeof(expected));
- qemu_fclose(fsave);
-}
-
-static void test_save_skip(void)
-{
- QEMUFile *fsave = qemu_bufopen("w", NULL);
- TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6,
- .skip_c_e = true };
- vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
- g_assert(!qemu_file_get_error(fsave));
-
- uint8_t expected[] = {
- 0, 0, 0, 1, /* a */
- 0, 0, 0, 2, /* b */
- 0, 0, 0, 0, 0, 0, 0, 4, /* d */
- 0, 0, 0, 0, 0, 0, 0, 6, /* f */
- };
- check_mem_file(fsave, expected, sizeof(expected));
-
- qemu_fclose(fsave);
-}
-
-static void test_load_noskip(void)
-{
- uint8_t buf[] = {
- 0, 0, 0, 10, /* a */
- 0, 0, 0, 20, /* b */
- 0, 0, 0, 30, /* c */
- 0, 0, 0, 0, 0, 0, 0, 40, /* d */
- 0, 0, 0, 50, /* e */
- 0, 0, 0, 0, 0, 0, 0, 60, /* f */
- QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
- };
-
- QEMUSizedBuffer *qsb = qsb_create(buf, sizeof(buf));
- g_assert(qsb);
- QEMUFile *loading = qemu_bufopen("r", qsb);
- TestStruct obj = { .skip_c_e = false };
- vmstate_load_state(loading, &vmstate_skipping, &obj, 2);
- g_assert(!qemu_file_get_error(loading));
- g_assert_cmpint(obj.a, ==, 10);
- g_assert_cmpint(obj.b, ==, 20);
- g_assert_cmpint(obj.c, ==, 30);
- g_assert_cmpint(obj.d, ==, 40);
- g_assert_cmpint(obj.e, ==, 50);
- g_assert_cmpint(obj.f, ==, 60);
- qemu_fclose(loading);
- qsb_free(qsb);
-}
-
-static void test_load_skip(void)
-{
- uint8_t buf[] = {
- 0, 0, 0, 10, /* a */
- 0, 0, 0, 20, /* b */
- 0, 0, 0, 0, 0, 0, 0, 40, /* d */
- 0, 0, 0, 0, 0, 0, 0, 60, /* f */
- QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
- };
-
- QEMUSizedBuffer *qsb = qsb_create(buf, sizeof(buf));
- g_assert(qsb);
- QEMUFile *loading = qemu_bufopen("r", qsb);
- TestStruct obj = { .skip_c_e = true, .c = 300, .e = 500 };
- vmstate_load_state(loading, &vmstate_skipping, &obj, 2);
- g_assert(!qemu_file_get_error(loading));
- g_assert_cmpint(obj.a, ==, 10);
- g_assert_cmpint(obj.b, ==, 20);
- g_assert_cmpint(obj.c, ==, 300);
- g_assert_cmpint(obj.d, ==, 40);
- g_assert_cmpint(obj.e, ==, 500);
- g_assert_cmpint(obj.f, ==, 60);
- qemu_fclose(loading);
- qsb_free(qsb);
-}
-
-int main(int argc, char **argv)
-{
- temp_fd = mkstemp(temp_file);
-
- g_test_init(&argc, &argv, NULL);
- g_test_add_func("/vmstate/simple/primitive", test_simple_primitive);
- g_test_add_func("/vmstate/versioned/load/v1", test_load_v1);
- g_test_add_func("/vmstate/versioned/load/v2", test_load_v2);
- g_test_add_func("/vmstate/field_exists/load/noskip", test_load_noskip);
- g_test_add_func("/vmstate/field_exists/load/skip", test_load_skip);
- g_test_add_func("/vmstate/field_exists/save/noskip", test_save_noskip);
- g_test_add_func("/vmstate/field_exists/save/skip", test_save_skip);
- g_test_run();
-
- close(temp_fd);
- unlink(temp_file);
-
- return 0;
-}