[reactos] 01/01: [KMTEST] Test what happens when CcSetFileSizes is called with data still mapped at the tail od the file

[Jérôme Gardou]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=6929451500abaa7fadbb1c...

commit 6929451500abaa7fadbb1c58de102a792e7ae27e
Author:     Jérôme Gardou [e-mail]
AuthorDate: Mon Nov 9 10:37:10 2020 +0100
Commit:     Jérôme Gardou [e-mail]
CommitDate: Tue Dec 22 11:35:30 2020 +0100

[KMTEST] Test what happens when CcSetFileSizes is called with data still mapped at the tail od the file
---
 .../rostests/kmtests/ntos_cc/CcSetFileSizes_drv.c  | 23 ++++++++++++++++++++--
 .../rostests/kmtests/ntos_cc/CcSetFileSizes_user.c |  3 ++-
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/modules/rostests/kmtests/ntos_cc/CcSetFileSizes_drv.c b/modules/rostests/kmtests/ntos_cc/CcSetFileSizes_drv.c
index 3d23ab54bec..241312c12c5 100644
--- a/modules/rostests/kmtests/ntos_cc/CcSetFileSizes_drv.c
+++ b/modules/rostests/kmtests/ntos_cc/CcSetFileSizes_drv.c
@@ -178,7 +178,7 @@ PerformTest(
             Fcb->Header.FileSize.QuadPart = VACB_MAPPING_GRANULARITY - PAGE_SIZE;
             Fcb->Header.ValidDataLength.QuadPart = VACB_MAPPING_GRANULARITY - PAGE_SIZE;

-            if ((TestId > 1 && TestId < 4) || TestId == 5)
+            if ((TestId > 1 && TestId < 4) || TestId >= 5)
             {
                 Fcb->Header.AllocationSize.QuadPart = VACB_MAPPING_GRANULARITY - PAGE_SIZE;
             }
@@ -315,6 +315,25 @@ PerformTest(
                         }
                     }
                 }
+                else if (TestId == 6)
+                {
+                    Offset.QuadPart = 0;
+                    KmtStartSeh();
+                    Ret = CcMapData(TestFileObject, &Offset, VACB_MAPPING_GRANULARITY - PAGE_SIZE, MAP_WAIT, &Bcb, (PVOID *)&Buffer);
+                    KmtEndSeh(STATUS_SUCCESS);
+
+                    if (!skip(Ret == TRUE, "CcMapData failed\n"))
+                    {
+                        ok_eq_ulong(Buffer[(VACB_MAPPING_GRANULARITY - PAGE_SIZE - sizeof(ULONG)) / sizeof(ULONG)], 0xBABABABA);
+                    }
+
+                    KmtStartSeh();
+                    CcSetFileSizes(TestFileObject, &NewFileSizes);
+                    KmtEndSeh(STATUS_SUCCESS);
+
+                    if (Ret == TRUE)
+                        CcUnpinData(Bcb);
+                }
             }
         }
     }
@@ -379,7 +398,7 @@ TestMessageHandler(
             ok_eq_ulong((ULONG)InLength, sizeof(ULONG));
             PerformTest(*(PULONG)Buffer, DeviceObject);
             break;
-            
+
         case IOCTL_FINISH_TEST:
             ok_eq_ulong((ULONG)InLength, sizeof(ULONG));
             CleanupTest(*(PULONG)Buffer, DeviceObject);
diff --git a/modules/rostests/kmtests/ntos_cc/CcSetFileSizes_user.c b/modules/rostests/kmtests/ntos_cc/CcSetFileSizes_user.c
index d472c5ecc98..67bcc1df89e 100644
--- a/modules/rostests/kmtests/ntos_cc/CcSetFileSizes_user.c
+++ b/modules/rostests/kmtests/ntos_cc/CcSetFileSizes_user.c
@@ -24,8 +24,9 @@ START_TEST(CcSetFileSizes)
      * 3: copy read - FS & AS
      * 4: dirty VACB - only FS
      * 5: dirty VACB - FS & AS
+     * 6: CcSetFileSizes with mapped data at tail of file
      */
-    for (TestId = 0; TestId < 6; ++TestId)
+    for (TestId = 0; TestId < 7; ++TestId)
     {
         Ret = KmtSendUlongToDriver(IOCTL_START_TEST, TestId);
         ok(Ret == ERROR_SUCCESS, "KmtSendUlongToDriver failed: %lx\n", Ret);