Audio: DrvAudioHlpBytesIsAligned -> DrvAudioHlpIsBytesAligned; switched parameters, added div/0 check. bugref:9890

git-svn-id: https://www.virtualbox.org/svn/vbox/trunk@88004 cfe28804-0f27-0410-a406-dd0f0b0b656f

1 files changed, 19 insertions, 0 deletions

diff --git a/src/VBox/Devices/Audio/testcase/tstAudioMixBuffer.cpp b/src/VBox/Devices/Audio/testcase/tstAudioMixBuffer.cpp
index 5c642206efa..d17e5966e1b 100644
--- a/src/VBox/Devices/Audio/testcase/tstAudioMixBuffer.cpp
+++ b/src/VBox/Devices/Audio/testcase/tstAudioMixBuffer.cpp
@@ -71,6 +71,25 @@ static void tstBasics(RTTEST hTest)
     RTTESTI_CHECK_MSG(PDMAUDIOPCMPROPS_F2B(&s_Cfg441StereoU32, 1) == 8,
                       ("got %x, expected 4\n", PDMAUDIOPCMPROPS_F2B(&s_Cfg441StereoU32, 1)));
 
+    for (uint32_t i = 0; i < 256; i += 8)
+    {
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoU32, i) == true);
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoU32, i+1) == false);
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoU32, i+2) == false);
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoU32, i+3) == false);
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoU32, i+4) == false);
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoU32, i+5) == false);
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoU32, i+6) == false);
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoU32, i+7) == false);
+    }
+    for (uint32_t i = 0; i < 4096; i += 4)
+    {
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoS16, i) == true);
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoS16, i+1) == false);
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoS16, i+2) == false);
+        RTTESTI_CHECK(DrvAudioHlpIsBytesAligned(&s_Cfg441StereoS16, i+3) == false);
+    }
+
     uint32_t u32;
     RTTESTI_CHECK_MSG((u32 = DrvAudioHlpFramesToBytes(&s_Cfg441StereoS16, 44100)) == 44100 * 2 * 2,
                       ("cb=%RU32\n", u32));