tests: qemublocktest: Add another synthetic test case for broken bitmaps

Add a case where a bitmap spanning multiple images is missing one of the
intermediate components.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

tests/qemublocktest.c

@@ -1030,6 +1030,7 @@ mymain(void)
     TEST_BITMAP_DETECT("synthetic");
     TEST_BITMAP_DETECT("snapshots");
     TEST_BITMAP_DETECT("snapshots-synthetic-checkpoint");
+    TEST_BITMAP_DETECT("snapshots-synthetic-broken");
 
 #define TEST_BACKUP_BITMAP_CALCULATE(testname, source, incrbackup, named) \
     do { \
@@ -1116,6 +1117,13 @@ mymain(void)
     TEST_BITMAP_VALIDATE("snapshots-synthetic-checkpoint", "c", true);
     TEST_BITMAP_VALIDATE("snapshots-synthetic-checkpoint", "d", true);
     TEST_BITMAP_VALIDATE("snapshots-synthetic-checkpoint", "current", true);
+
+    TEST_BITMAP_VALIDATE("snapshots-synthetic-broken", "a", false);
+    TEST_BITMAP_VALIDATE("snapshots-synthetic-broken", "b", true);
+    TEST_BITMAP_VALIDATE("snapshots-synthetic-broken", "c", true);
+    TEST_BITMAP_VALIDATE("snapshots-synthetic-broken", "d", false);
+    TEST_BITMAP_VALIDATE("snapshots-synthetic-broken", "current", true);
+
  cleanup:
     virHashFree(diskxmljsondata.schema);
     qemuTestDriverFree(&driver);

tests/qemublocktestdata/bitmap/snapshots-synthetic-broken.out

+libvirt-1-format:
+        d: record:0 busy:0 persist:1 inconsist:0 gran:65536 dirty:0
+  current: record:1 busy:0 persist:1 inconsist:0 gran:65536 dirty:0
+libvirt-2-format:
+        c: record:0 busy:0 persist:1 inconsist:0 gran:65536 dirty:0
+        d: record:1 busy:0 persist:1 inconsist:1 gran:65536 dirty:0
+libvirt-3-format:
+        a: record:0 busy:0 persist:1 inconsist:0 gran:65536 dirty:0
+        b: record:1 busy:0 persist:1 inconsist:0 gran:65536 dirty:0
+libvirt-4-format:
+libvirt-5-format:
+        a: record:1 busy:0 persist:1 inconsist:0 gran:65536 dirty:0