Fix SVM.LoadModel

src/LibSVMsharp.Tests/Contants.cs

@@ -3,6 +3,7 @@
 public static class Contants
 {
     public const string WRONG_MODEL_PATH_TO_BE_LOADED = @"Models/model_does_not_exist.txt";
-    public const string CORRECT_MODEL_PATH_TO_BE_LOADED = @"Models/correct_model.txt";
+    public const string INVALID_MODEL_PATH_TO_BE_LOADED = @"Models/invalid_model.txt";    
+    public const string CORRECT_MODEL_PATH_TO_BE_LOADED = @"Models/wine_model.txt";
     public const string CORRECT_MODEL_PATH_TO_BE_SAVED = @"Models/correct_model.txt";
 }

src/LibSVMsharp.Tests/LibSVMsharp.Tests.csproj

@@ -28,4 +28,21 @@
     <Compile Remove="Extensions\SVMModelExtensionsTests.cs" />
     <Compile Remove="Extensions\SVMNodeExtensionsTests.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <None Remove="Models\invalid_model.txt" />
+    <None Remove="Models\wine_model.txt" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="Models\*.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="..\LibSVMsharp\native\liblibsvm.so" Link="liblibsvm.so">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="..\LibSVMsharp\native\libsvm.dll" Link="libsvm.dll">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
 </Project>

src/LibSVMsharp.Tests/Models/invalid_model.txt

@@ -0,0 +1,4 @@
+svm_type xxx
+kernel_type 1111
+gamma yyyy
+nr_class dddd

src/LibSVMsharp.Tests/Models/wine_model.txt

@@ -0,0 +1,80 @@
+svm_type c_svc
+kernel_type rbf
+gamma 1
+nr_class 3
+total_sv 71
+rho 0.323779 -0.201376 -0.418579
+label 1 2 3
+nr_sv 24 32 15
+SV
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+-0 -0.1448823688652827 1:0.049178083 2:-0.28109519 3:0.2526115 4:0.27828165 6:-0.0823406 7:-0.31321415 8:-0.2644486 9:-0.14246672 10:-0.0035433695 11:-0.40937378 12:-0.49628508 13:-0.41024691 
+-0 -0.5444679202275535 1:-0.092321865 2:-0.39222584 3:-0.10452353 4:-0.015500361 5:-0.14163721 6:-0.32835732 7:-0.45042505 8:0.25531674 9:-0.18813894 10:0.039341564 11:-0.41968484 12:-0.39837178 13:-0.24236682 
+-1 -0.8060117924180167 1:0.34702915 2:-0.29388509 3:0.20255545 4:0.22658265 5:-0.18298474 6:0.1193256 7:-0.27623587 8:0.23822565 9:0.20799864 10:0.4676281 11:-0.39919493 12:-0.23124443 13:-0.21280071 
+-0.3375303272875984 -0 1:0.13883712 2:0.29504852 3:0.33915549 4:0.27194941 5:-0.048804978 6:-0.17418342 7:-0.41443077 8:-0.26474399 9:-0.31338368 10:0.13025774 11:-0.38786085 12:-0.29399223 13:-0.2794276 
+-0 -1 1:-0.19417027 2:-0.047940642 3:0.013512641 4:-0.067730737 5:-0.21972805 6:-0.41126987 7:-0.47338843 8:0.0095353472 9:-0.40334257 10:-0.1414355 11:-0.35745966 12:-0.29804132 13:-0.33811748 

src/LibSVMsharp.Tests/TestSVM.cs

@@ -30,24 +30,21 @@ public void SVM_Train_Correct()
     [ExpectedException(typeof(ArgumentNullException))]
     public void SVM_CrossValidation_ProblemIsNull_ThrowsException()
     {
-        double[] target;
-        SVM.CrossValidation(null, new SVMParameter(), 5, out target);
+        SVM.CrossValidation(null, new SVMParameter(), 5, out var target);
     }
 
     [TestMethod]
     [ExpectedException(typeof(ArgumentNullException))]
     public void SVM_CrossValidation_ParameterIsNull_ThrowsException()
     {
-        double[] target;
-        SVM.CrossValidation(new SVMProblem(), null, 5, out target);
+        SVM.CrossValidation(new SVMProblem(), null, 5, out var target);
     }
 
     [TestMethod]
     [ExpectedException(typeof(ArgumentOutOfRangeException))]
     public void SVM_CrossValidation_FoldNumberIsOutOfRange_ThrowsException()
     {
-        double[] target;
-        SVM.CrossValidation(new SVMProblem(), new SVMParameter(), 1, out target);
+        SVM.CrossValidation(new SVMProblem(), new SVMParameter(), 1, out var target);
     }
 
     //[TestMethod]
@@ -59,71 +56,73 @@ public void SVM_CrossValidation_Correct()
     [TestMethod]
     public void SVM_SaveModel_ModelIsNull_ReturnsFalse()
     {
-        bool success = SVM.SaveModel(null, Contants.CORRECT_MODEL_PATH_TO_BE_SAVED);
-
+        var success = SVM.SaveModel(null, Contants.CORRECT_MODEL_PATH_TO_BE_SAVED);
         Assert.IsFalse(success);
     }
 
     [TestMethod]
     public void SVM_SaveModel_FilenameIsInvalid_ReturnsFalse()
     {
-        bool success = SVM.SaveModel(new SVMModel(), "");
-
+        var success = SVM.SaveModel(new SVMModel(), "");
         Assert.IsFalse(success);
     }
 
-    //[TestMethod]
+    [TestMethod]
     public void SVM_SaveModel_Correct()
     {
-
+        var model = SVM.LoadModel(Contants.CORRECT_MODEL_PATH_TO_BE_LOADED);
+        Assert.IsNotNull(model);
+        var success = SVM.SaveModel(model, Contants.CORRECT_MODEL_PATH_TO_BE_SAVED);
+        Assert.IsTrue(success);
     }
 
     [TestMethod]
     public void SVM_LoadModel_FilenameIsInvalid_ReturnsNull()
     {
-        SVM.LoadModel("");
+        Assert.IsNull(SVM.LoadModel(""));
     }
 
     [TestMethod]
     public void SVM_LoadModel_FilenameDoesNotExist_ReturnsNull()
     {
-        SVM.LoadModel(Contants.WRONG_MODEL_PATH_TO_BE_LOADED);
+        Assert.IsFalse(System.IO.File.Exists(Contants.WRONG_MODEL_PATH_TO_BE_LOADED));
+        Assert.IsNull(SVM.LoadModel(Contants.WRONG_MODEL_PATH_TO_BE_LOADED));
     }
 
-    //[TestMethod]
+    [TestMethod]
     public void SVM_LoadModel_ModelFileIsInvalid_ReturnsNull()
     {
-
+        Assert.IsTrue(System.IO.File.Exists(Contants.INVALID_MODEL_PATH_TO_BE_LOADED));
+        Assert.IsNull(SVM.LoadModel(Contants.INVALID_MODEL_PATH_TO_BE_LOADED));
     }
 
-    //[TestMethod]
+    [TestMethod]
     public void SVM_LoadModel_Correct()
     {
-
+        var model = SVM.LoadModel(Contants.CORRECT_MODEL_PATH_TO_BE_LOADED);
+        Assert.IsNotNull(model);
+        Assert.IsNotNull(model.Labels);
     }
 
     [TestMethod]
     [ExpectedException(typeof(ArgumentNullException))]
     public void SVM_PredictValues_ModelIsNull_ThrowsException()
     {
-        double[] values;
-        SVM.PredictValues(null, new SVMNode[5], out values);
+        SVM.PredictValues(null, new SVMNode[5], out var values);
     }
 
     [TestMethod]
     [ExpectedException(typeof(ArgumentNullException))]
     public void SVM_PredictValues_ModelIsZero_ThrowsException()
     {
-        double[] values;
-        SVM.PredictValues(IntPtr.Zero, new SVMNode[5], out values);
+        SVM.PredictValues(IntPtr.Zero, new SVMNode[5], out var values);
     }
 
     [TestMethod]
     [ExpectedException(typeof(ArgumentNullException))]
     public void SVM_PredictValues_InputVectorIsNull_ThrowsException()
     {
-        double[] values;
-        SVM.PredictValues(new SVMModel(), null, out values);
+        SVM.PredictValues(new SVMModel(), null, out var values);
     }
 
     //[TestMethod]

src/LibSVMsharp/Core/libsvm.cs

@@ -10,7 +10,7 @@ namespace LibSVMsharp.Core;
 /// </summary>
 public static class libsvm
 {
-    public static readonly string VERSION = "3.23";
+    public static readonly string VERSION = "3.32";
 
     /// <param name="prob">svm_problem</param>
     /// <param name="param">svm_parameter</param>