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[Qemu-devel] [PATCH 21/27] vmstate: Test for VMSTATE_UINT8_EQUAL


From: Juan Quintela
Subject: [Qemu-devel] [PATCH 21/27] vmstate: Test for VMSTATE_UINT8_EQUAL
Date: Mon, 16 Jun 2014 11:58:17 +0200

We introduce another full test.

Signed-off-by: Juan Quintela <address@hidden>
---
 include/migration/vmstate.h |  2 +-
 tests/test-vmstate.c        | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index a229b46..b81d5ac 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -577,7 +577,7 @@ extern const VMStateInfo vmstate_info_bitmap;
     VMSTATE_UINT64_TEST(_f, _s, NULL)

 #define VMSTATE_UINT8_EQUAL(_f, _s)                                   \
-    VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
+    VMSTATE_SINGLE_TEST(_f, _s, NULL, 0, vmstate_info_uint8_equal, uint8_t)

 #define VMSTATE_UINT16_EQUAL(_f, _s)                                  \
     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
diff --git a/tests/test-vmstate.c b/tests/test-vmstate.c
index 83dbb34..0d98bbb 100644
--- a/tests/test-vmstate.c
+++ b/tests/test-vmstate.c
@@ -360,6 +360,47 @@ static void test_simple_test(void)
     FIELD_EQUAL(u32_1);
     FIELD_EQUAL(u64_1);
 }
+
+static const VMStateDescription vmstate_simple_compare = {
+    .name = "simple/compare",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT8_EQUAL(u8_1, TestSimple),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+uint8_t wire_simple_compare[] = {
+    /* u8_1 */  0x82,
+    QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
+};
+
+static void test_simple_compare(void)
+{
+    TestSimple obj, obj_clone;
+
+    memset(&obj, 0, sizeof(obj));
+    save_vmstate(&vmstate_simple_compare, &obj_simple);
+
+    compare_vmstate(wire_simple_compare, sizeof(wire_simple_compare));
+
+
+    /* we are testing that values are the same, we need to
+       have the same value */
+    memcpy(&obj, &obj_simple, sizeof(obj));
+    SUCCESS(load_vmstate(&vmstate_simple_compare, &obj, &obj_clone,
+                         obj_simple_copy, 1, wire_simple_compare,
+                         sizeof(wire_simple_compare)));
+
+    /* we change the value, so it is not equal anymore */
+    memcpy(&obj, &obj_simple, sizeof(obj));
+    obj.u8_1 = 27;
+    FAILURE(load_vmstate(&vmstate_simple_compare, &obj, &obj_clone,
+                         obj_simple_copy, 1, wire_simple_compare,
+                         sizeof(wire_simple_compare)));
+}
 #undef FIELD_EQUAL

 typedef struct TestBitmap {
@@ -666,6 +707,7 @@ int main(int argc, char **argv)
     g_test_add_func("/vmstate/simple/skip", test_simple_skip);
     g_test_add_func("/vmstate/simple/no_skip", test_simple_no_skip);
     g_test_add_func("/vmstate/simple/test", test_simple_test);
+    g_test_add_func("/vmstate/simple/compare", test_simple_compare);
     g_test_add_func("/vmstate/simple/bitmap", test_simple_bitmap);
     g_test_run();

-- 
1.9.3




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