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author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2017-02-03 16:06:50 +0000 |
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committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2017-02-13 17:27:14 +0000 |
commit | 5c379d9031931fb1be52b96b25589abc7311f200 (patch) | |
tree | 33b226e617d0429e6ba4564747be398264b54398 /tests/test-vmstate.c | |
parent | bcf45131293664118355df03d2ce5458156deaad (diff) | |
download | qemu-5c379d9031931fb1be52b96b25589abc7311f200.zip qemu-5c379d9031931fb1be52b96b25589abc7311f200.tar.gz qemu-5c379d9031931fb1be52b96b25589abc7311f200.tar.bz2 |
tests/migration: Add test for VMSTATE_WITH_TMP
Add a test for VMSTATE_WITH_TMP to tests/test-vmstate.c
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20170203160651.19917-4-dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'tests/test-vmstate.c')
-rw-r--r-- | tests/test-vmstate.c | 98 |
1 files changed, 92 insertions, 6 deletions
diff --git a/tests/test-vmstate.c b/tests/test-vmstate.c index 9d87faf..d0dd390 100644 --- a/tests/test-vmstate.c +++ b/tests/test-vmstate.c @@ -90,7 +90,7 @@ static void save_buffer(const uint8_t *buf, size_t buf_size) qemu_fclose(fsave); } -static void compare_vmstate(uint8_t *wire, size_t size) +static void compare_vmstate(const uint8_t *wire, size_t size) { QEMUFile *f = open_test_file(false); uint8_t result[size]; @@ -113,7 +113,7 @@ static void compare_vmstate(uint8_t *wire, size_t size) } static int load_vmstate_one(const VMStateDescription *desc, void *obj, - int version, uint8_t *wire, size_t size) + int version, const uint8_t *wire, size_t size) { QEMUFile *f; int ret; @@ -137,7 +137,7 @@ static int load_vmstate_one(const VMStateDescription *desc, void *obj, 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) + int version, const uint8_t *wire, size_t size) { /* We test with zero size */ obj_copy(obj_clone, obj); @@ -289,7 +289,6 @@ static void test_simple_primitive(void) FIELD_EQUAL(i64_1); FIELD_EQUAL(i64_2); } -#undef FIELD_EQUAL typedef struct TestStruct { uint32_t a, b, c, e; @@ -474,7 +473,6 @@ static void test_load_skip(void) qemu_fclose(loading); } - typedef struct { int32_t i; } TestStructTriv; @@ -688,6 +686,94 @@ static void test_load_q(void) qemu_fclose(fload); } +typedef struct TmpTestStruct { + TestStruct *parent; + int64_t diff; +} TmpTestStruct; + +static void tmp_child_pre_save(void *opaque) +{ + struct TmpTestStruct *tts = opaque; + + tts->diff = tts->parent->b - tts->parent->a; +} + +static int tmp_child_post_load(void *opaque, int version_id) +{ + struct TmpTestStruct *tts = opaque; + + tts->parent->b = tts->parent->a + tts->diff; + + return 0; +} + +static const VMStateDescription vmstate_tmp_back_to_parent = { + .name = "test/tmp_child_parent", + .fields = (VMStateField[]) { + VMSTATE_UINT64(f, TestStruct), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription vmstate_tmp_child = { + .name = "test/tmp_child", + .pre_save = tmp_child_pre_save, + .post_load = tmp_child_post_load, + .fields = (VMStateField[]) { + VMSTATE_INT64(diff, TmpTestStruct), + VMSTATE_STRUCT_POINTER(parent, TmpTestStruct, + vmstate_tmp_back_to_parent, TestStruct), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription vmstate_with_tmp = { + .name = "test/with_tmp", + .version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32(a, TestStruct), + VMSTATE_UINT64(d, TestStruct), + VMSTATE_WITH_TMP(TestStruct, TmpTestStruct, vmstate_tmp_child), + VMSTATE_END_OF_LIST() + } +}; + +static void obj_tmp_copy(void *target, void *source) +{ + memcpy(target, source, sizeof(TestStruct)); +} + +static void test_tmp_struct(void) +{ + TestStruct obj, obj_clone; + + uint8_t const wire_with_tmp[] = { + /* u32 a */ 0x00, 0x00, 0x00, 0x02, + /* u64 d */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + /* diff */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, + /* u64 f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, + QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */ + }; + + memset(&obj, 0, sizeof(obj)); + obj.a = 2; + obj.b = 4; + obj.d = 1; + obj.f = 8; + save_vmstate(&vmstate_with_tmp, &obj); + + compare_vmstate(wire_with_tmp, sizeof(wire_with_tmp)); + + memset(&obj, 0, sizeof(obj)); + SUCCESS(load_vmstate(&vmstate_with_tmp, &obj, &obj_clone, + obj_tmp_copy, 1, wire_with_tmp, + sizeof(wire_with_tmp))); + g_assert_cmpint(obj.a, ==, 2); /* From top level vmsd */ + g_assert_cmpint(obj.b, ==, 4); /* from the post_load */ + g_assert_cmpint(obj.d, ==, 1); /* From top level vmsd */ + g_assert_cmpint(obj.f, ==, 8); /* From the child->parent */ +} + int main(int argc, char **argv) { temp_fd = mkstemp(temp_file); @@ -708,7 +794,7 @@ int main(int argc, char **argv) test_arr_ptr_str_no0_load); g_test_add_func("/vmstate/qtailq/save/saveq", test_save_q); g_test_add_func("/vmstate/qtailq/load/loadq", test_load_q); - + g_test_add_func("/vmstate/tmp_struct", test_tmp_struct); g_test_run(); close(temp_fd); |