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-rw-r--r--tests/.gitignore1
-rw-r--r--tests/Makefile4
-rw-r--r--tests/test-vmstate.c357
3 files changed, 362 insertions, 0 deletions
diff --git a/tests/.gitignore b/tests/.gitignore
index 425757cfe1..1aed2249ff 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -20,6 +20,7 @@ test-qmp-commands
test-qmp-input-strict
test-qmp-marshal.c
test-thread-pool
+test-vmstate
test-x86-cpuid
test-xbzrle
*-test
diff --git a/tests/Makefile b/tests/Makefile
index 0b85a34147..0aaf657be5 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -54,6 +54,7 @@ check-unit-y += tests/test-bitops$(EXESUF)
check-unit-y += tests/test-qdev-global-props$(EXESUF)
check-unit-y += tests/check-qom-interface$(EXESUF)
gcov-files-check-qom-interface-y = qom/object.c
+check-unit-y += tests/test-vmstate$(EXESUF)
check-block-$(CONFIG_POSIX) += tests/qemu-iotests-quick.sh
@@ -167,6 +168,9 @@ tests/test-qdev-global-props$(EXESUF): tests/test-qdev-global-props.o \
$(qom-core-obj) \
$(test-qapi-obj-y) \
libqemuutil.a libqemustub.a
+tests/test-vmstate$(EXESUF): tests/test-vmstate.o \
+ vmstate.o qemu-file.o \
+ libqemuutil.a
tests/test-qapi-types.c tests/test-qapi-types.h :\
$(SRC_PATH)/tests/qapi-schema/qapi-schema-test.json $(SRC_PATH)/scripts/qapi-types.py
diff --git a/tests/test-vmstate.c b/tests/test-vmstate.c
new file mode 100644
index 0000000000..75cd1a1fd4
--- /dev/null
+++ b/tests/test-vmstate.c
@@ -0,0 +1,357 @@
+/*
+ * 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 <glib.h>
+
+#include "qemu-common.h"
+#include "migration/migration.h"
+#include "migration/vmstate.h"
+#include "block/coroutine.h"
+
+char temp_file[] = "/tmp/vmst.test.XXXXXX";
+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);
+}
+
+/* Duplicate temp_fd and seek to the beginning of the file */
+static int dup_temp_fd(bool truncate)
+{
+ int fd = dup(temp_fd);
+ lseek(fd, 0, SEEK_SET);
+ if (truncate) {
+ g_assert_cmpint(ftruncate(fd, 0), ==, 0);
+ }
+ return fd;
+}
+
+typedef struct TestSruct {
+ uint32_t a, b, c, e;
+ uint64_t d, f;
+ bool skip_c_e;
+} TestStruct;
+
+
+static const VMStateDescription vmstate_simple = {
+ .name = "test",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(a, TestStruct),
+ VMSTATE_UINT32(b, TestStruct),
+ VMSTATE_UINT32(c, TestStruct),
+ VMSTATE_UINT64(d, TestStruct),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void test_simple_save(void)
+{
+ QEMUFile *fsave = qemu_fdopen(dup_temp_fd(true), "wb");
+ TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4 };
+ vmstate_save_state(fsave, &vmstate_simple, &obj);
+ g_assert(!qemu_file_get_error(fsave));
+ qemu_fclose(fsave);
+
+ QEMUFile *loading = qemu_fdopen(dup_temp_fd(false), "rb");
+ 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 */
+ };
+ uint8_t result[sizeof(expected)];
+ g_assert_cmpint(qemu_get_buffer(loading, result, sizeof(result)), ==,
+ sizeof(result));
+ g_assert(!qemu_file_get_error(loading));
+ g_assert_cmpint(memcmp(result, expected, sizeof(result)), ==, 0);
+
+ /* Must reach EOF */
+ qemu_get_byte(loading);
+ g_assert_cmpint(qemu_file_get_error(loading), ==, -EIO);
+
+ qemu_fclose(loading);
+}
+
+static void test_simple_load(void)
+{
+ QEMUFile *fsave = qemu_fdopen(dup_temp_fd(true), "wb");
+ 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 */
+ 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 = qemu_fdopen(dup_temp_fd(false), "rb");
+ TestStruct obj;
+ vmstate_load_state(loading, &vmstate_simple, &obj, 1);
+ 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);
+ qemu_fclose(loading);
+}
+
+static const VMStateDescription vmstate_versioned = {
+ .name = "test",
+ .version_id = 2,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 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 = qemu_fdopen(dup_temp_fd(true), "wb");
+ 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 = qemu_fdopen(dup_temp_fd(false), "rb");
+ 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 = qemu_fdopen(dup_temp_fd(true), "wb");
+ 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 = qemu_fdopen(dup_temp_fd(false), "rb");
+ 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",
+ .version_id = 2,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 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_fdopen(dup_temp_fd(true), "wb");
+ 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);
+ g_assert(!qemu_file_get_error(fsave));
+ qemu_fclose(fsave);
+
+ QEMUFile *loading = qemu_fdopen(dup_temp_fd(false), "rb");
+ 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 */
+ };
+ uint8_t result[sizeof(expected)];
+ g_assert_cmpint(qemu_get_buffer(loading, result, sizeof(result)), ==,
+ sizeof(result));
+ g_assert(!qemu_file_get_error(loading));
+ g_assert_cmpint(memcmp(result, expected, sizeof(result)), ==, 0);
+
+ /* Must reach EOF */
+ qemu_get_byte(loading);
+ g_assert_cmpint(qemu_file_get_error(loading), ==, -EIO);
+
+ qemu_fclose(loading);
+}
+
+static void test_save_skip(void)
+{
+ QEMUFile *fsave = qemu_fdopen(dup_temp_fd(true), "wb");
+ 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);
+ g_assert(!qemu_file_get_error(fsave));
+ qemu_fclose(fsave);
+
+ QEMUFile *loading = qemu_fdopen(dup_temp_fd(false), "rb");
+ 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 */
+ };
+ uint8_t result[sizeof(expected)];
+ g_assert_cmpint(qemu_get_buffer(loading, result, sizeof(result)), ==,
+ sizeof(result));
+ g_assert(!qemu_file_get_error(loading));
+ g_assert_cmpint(memcmp(result, expected, sizeof(result)), ==, 0);
+
+
+ /* Must reach EOF */
+ qemu_get_byte(loading);
+ g_assert_cmpint(qemu_file_get_error(loading), ==, -EIO);
+
+ qemu_fclose(loading);
+}
+
+static void test_load_noskip(void)
+{
+ QEMUFile *fsave = qemu_fdopen(dup_temp_fd(true), "wb");
+ 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 = qemu_fdopen(dup_temp_fd(false), "rb");
+ 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);
+}
+
+static void test_load_skip(void)
+{
+ QEMUFile *fsave = qemu_fdopen(dup_temp_fd(true), "wb");
+ 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 */
+ };
+ qemu_put_buffer(fsave, buf, sizeof(buf));
+ qemu_fclose(fsave);
+
+ QEMUFile *loading = qemu_fdopen(dup_temp_fd(false), "rb");
+ 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);
+}
+
+int main(int argc, char **argv)
+{
+ temp_fd = mkstemp(temp_file);
+
+ g_test_init(&argc, &argv, NULL);
+ g_test_add_func("/vmstate/simple/save", test_simple_save);
+ g_test_add_func("/vmstate/simple/load", test_simple_load);
+ 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;
+}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-12 15:03:53 +0000