[PATCH] [quartz] - add initial tests for DBToAmpFactor and AmpFactorToDB

[Vijay Kiran Kamuju]

For Bug #44268
Based on patch from Robert Reif

Signed-off-by: Vijay Kiran Kamuju <infyquest at gmail.com>
---
 dlls/quartz/tests/misc.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/dlls/quartz/tests/misc.c b/dlls/quartz/tests/misc.c
index 748c0f2cfd39..780447d4a6ae 100644
--- a/dlls/quartz/tests/misc.c
+++ b/dlls/quartz/tests/misc.c
@@ -41,6 +41,47 @@
     ok(refCount == num, "IUnknown_Release should return %d, got %d\n", num, refCount); \
 }
 
+static LONG (WINAPI *pAmpFactorToDB)(LONG);
+static LONG (WINAPI *pDBToAmpFactor)(LONG);
+
+struct sndconv {
+LONG amp;
+LONG db;
+};
+
+static const struct sndconv amp_db[] = {
+    {-65535,0},
+    {-1,0},
+    {0,-9640},
+    {1,-9630},
+    {2,-9030},
+    {3,-8670},
+    {5,-8230},
+    {10,-7630},
+    {25,-6830},
+    {50,-6230},
+    {75,-5880},
+    {100,-5630},
+    {159,-5230},
+    {1000,-3630},
+    {10000,-1630},
+    {32767,-600},
+    {32768,-600},
+    {65435,0},
+    {65535,0},
+    {65536,0},
+    {100000,0}
+};
+
+static const struct sndconv db_amp[] = {
+    {65535,-1},
+    {32845,-600},
+    {825,-3800},
+    {100,-5630},
+    {0,-9640},
+    {0,-10000}
+};
+
 static void test_aggregation(const CLSID clsidOuter, const CLSID clsidInner,
                              const IID iidOuter, const IID iidInner)
 {
@@ -220,8 +261,41 @@ static void test_filter_mapper_aggregations(void)
     }
 }
 
+static void test_ampfactortodb(void)
+{
+    LONG dbval;   
+    int i;
+
+    for (i=0; i<sizeof(amp_db)/sizeof(struct sndconv); i++)
+    {
+        dbval = pAmpFactorToDB(amp_db[i].amp);
+        todo_wine ok(dbval == amp_db[i].db, "for %d expected %d got %d\n", amp_db[i].amp, amp_db[i].db, dbval); 
+    }
+}
+
+static void test_dbtoampfactor(void)
+{
+    LONG ampval;   
+    int i;
+
+    for (i=0; i<sizeof(db_amp)/sizeof(struct sndconv); i++)
+    {
+        ampval = pDBToAmpFactor(db_amp[i].db);
+        todo_wine ok(ampval == db_amp[i].amp, "for %d expected %d got %d\n", db_amp[i].db, amp_db[i].amp, ampval); 
+    }
+}
+
 START_TEST(misc)
 {
+    HMODULE hquartz;
+
+    hquartz = LoadLibraryA("quartz.dll");
+    pAmpFactorToDB = (void *)GetProcAddress(hquartz,"AmpFactorToDB");
+    pDBToAmpFactor = (void *)GetProcAddress(hquartz,"DBToAmpFactor");
+
+    test_ampfactortodb(); 
+    test_dbtoampfactor(); 
+
     CoInitialize(NULL);
 
     test_null_renderer_aggregations();
-- 
2.15.1