Adding writer test

Source/Readers/ReaderLib/ReaderShim.h

@@ -33,6 +33,13 @@ public:
 
     virtual void Destroy() override
     {
+        // Make sure there are no outstanding reads.
+        if (m_prefetchTask.valid())
+        {
+            // If there are some, give them time to finish.
+            m_prefetchTask.wait_for(std::chrono::seconds(5));
+        }
+
         delete this;
     }
 

Tests/UnitTests/ReaderTests/Config/ExperimentalHTKMLFReaderSimpleDataLoop3_Config.cntk

@@ -0,0 +1,25 @@
+RootDir = .
+DataDir = $RootDir$
+
+# deviceId = -1 for CPU, >= 0 for GPU devices
+deviceId = -1
+
+frameMode = false
+precision = "float"
+
+Simple_Test = [
+    action = "write"
+
+    reader = [
+        readerType = "ExperimentalHTKMLFReader"
+        readMethod = "none"
+        miniBatchMode = "partial"
+        verbosity = 0
+
+        features = [
+            dim = 363
+            type = "real"
+            scpFile = "$DataDir$/glob_0000.scp"
+        ]
+    ]
+]

Tests/UnitTests/ReaderTests/HTKLMFReaderTests.cpp

@@ -66,7 +66,7 @@ BOOST_AUTO_TEST_CASE(HTKMLFReaderSimpleDataLoop3)
         testDataPath() + "/Control/HTKMLFReaderSimpleDataLoop3_Output.txt",
         "Simple_Test",
         "reader",
-        5,
+        randomizeAuto,/* epoch size - all available */
         250,
         2,
         1,
@@ -560,6 +560,24 @@ BOOST_AUTO_TEST_CASE(ExperimentalHTKMLFReaderSimpleDataLoop20)
         1);
 };
 
+BOOST_AUTO_TEST_CASE(ExperimentalHTKMLFReaderSimpleDataLoop3)
+{
+    HelperRunReaderTest<float>(
+        testDataPath() + "/Config/ExperimentalHTKMLFReaderSimpleDataLoop3_Config.cntk",
+        testDataPath() + "/Control/HTKMLFReaderSimpleDataLoop3_13_Control.txt",
+        testDataPath() + "/Control/HTKMLFReaderSimpleDataLoop3_Output.txt",
+        "Simple_Test",
+        "reader",
+        randomizeAuto,/* epoch size - all available */
+        1,
+        2,
+        1,
+        0,
+        0,
+        1);
+};
+
+
 
 BOOST_AUTO_TEST_SUITE_END()
 

Tests/UnitTests/ReaderTests/ReaderTests.vcxproj

@@ -219,6 +219,18 @@
     <None Include="Config\CNTKTextFormatReader\dense.cntk" />
     <None Include="Config\CNTKTextFormatReader\edge_cases.cntk" />
     <None Include="Config\CNTKTextFormatReader\sparse.cntk" />
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop10_Config.cntk" />
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop11_Config.cntk" />
+    <None Include="Config\ExperimentalHTKMLFReaderSimpleDataLoop14_Config.cntk" />
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop19_Config.cntk" />
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop1_Config.cntk" />
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop20_Config.cntk" />
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop21_Config.cntk" />
+    <None Include="Config\ExperimentalHTKMLFReaderSimpleDataLoop3_Config.cntk" />
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop4_Config.cntk" />
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop5_Config.cntk" />
+    <None Include="Config\ExperimentalHTKMLFReaderSimpleDataLoop8_Config.cntk" />
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop9_Config.cntk" />
     <None Include="Config\ImageReaderBadLabel_Config.cntk" />
     <None Include="Config\ImageReaderBadMap_Config.cntk" />
     <None Include="Config\ImageReaderColorTransform_Config.cntk" />

Tests/UnitTests/ReaderTests/ReaderTests.vcxproj.filters

@@ -49,6 +49,9 @@
     <Filter Include="Linked Source">
       <UniqueIdentifier>{1a107324-82f9-49cc-a77d-a8591b21aebb}</UniqueIdentifier>
     </Filter>
+    <Filter Include="Config\ExperimentalHTKMLF">
+      <UniqueIdentifier>{b2a5f515-1b00-4f19-bd19-8e3fd7eb6872}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <Text Include="Data\ImageReaderSimple_map.txt">
@@ -364,6 +367,42 @@
     <None Include="Config\ImageReaderIntensityTransform_Config.cntk">
       <Filter>Config</Filter>
     </None>
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop1_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
+    <None Include="Config\ExperimentalHTKMLFReaderSimpleDataLoop3_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop4_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop5_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
+    <None Include="Config\ExperimentalHTKMLFReaderSimpleDataLoop8_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop9_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop10_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop11_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
+    <None Include="Config\ExperimentalHTKMLFReaderSimpleDataLoop14_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop19_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop20_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
+    <None Include="Config\ExperimentalHtkmlfReaderSimpleDataLoop21_Config.cntk">
+      <Filter>Config\ExperimentalHTKMLF</Filter>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <Xml Include="Data\ImageNet1K_intensity.xml">