vbox的更動 26338 路徑 trunk/src/VBox/VMM/testcase

時間撮記:

2010-2-9 上午12:54:20 (15 年 以前)

作者:

vboxsync

訊息:

AsyncCompletion: Introduce range locks to prevent concurrent access to the same file range. Fixes inconsistent data for tasks with unaligned tasks where we have to use bounce buffers (i.e block table updates when a VDI file grows)

檔案:

• trunk/src/VBox/VMM/testcase/tstPDMAsyncCompletionStress.cpp (修改) (3 筆差異)

trunk/src/VBox/VMM/testcase/tstPDMAsyncCompletionStress.cpp

@@ -49 +49 @@
 #include <iprt/thread.h>
 #include <iprt/param.h>
+#include <iprt/message.h>
 
 #define TESTCASE "tstPDMAsyncCompletionStress"
@@ -179 +180 @@
 
         if (memcmp(pbBuf, pbTestPattern, cbCompare))
-            AssertMsgFailed(("Unexpected data for off=%RTfoff size=%u\n", pTestTask->off, pTestTask->DataSeg.cbSeg));
+        {
+            unsigned idx = 0;
+
+            while (   (pbBuf[idx] == pbTestPattern[idx])
+                   && (idx < cbCompare))
+                idx++;
+
+            RTMsgError("Unexpected data for off=%RTfoff size=%u\n"
+                       "Expected %c got %c\n",
+                       pTestTask->off + idx, pTestTask->DataSeg.cbSeg,
+                       pbTestPattern[idx], pbBuf[idx]);
+            RTAssertDebugBreak();
+        }
 
         pbBuf  += cbCompare;
@@ -315 +328 @@
     int uRnd = RTRandU32Ex(0, 100);
 
-    return (uRnd < iPercentage); /* This should be enough for our purpose */
+    return (uRnd <= iPercentage); /* This should be enough for our purpose */
 }