- remove check of solid archive

- change tests
- add test on multi solid archive

src/SharpCompress/Archives/IArchiveEntryExtensions.cs

@@ -8,11 +8,6 @@ namespace SharpCompress.Archives
     {
         public static void WriteTo(this IArchiveEntry archiveEntry, Stream streamToWriteTo)
         {
-            if (archiveEntry.Archive.Type == ArchiveType.Rar && archiveEntry.Archive.IsSolid)
-            {
-                throw new InvalidFormatException("Cannot use Archive random access on SOLID Rar files.");
-            }
-
             if (archiveEntry.IsDirectory)
             {
                 throw new ExtractionException("Entry is a file directory and cannot be extracted.");

src/SharpCompress/Archives/Rar/RarArchiveEntry.cs

@@ -57,11 +57,6 @@ namespace SharpCompress.Archives.Rar
 
         public Stream OpenEntryStream()
         {
-            if (archive.IsSolid)
-            {
-                throw new InvalidOperationException("Use ExtractAllEntries to extract SOLID archives.");
-            }
-
             if (IsRarV3)
             {
                 return new RarStream(archive.UnpackV1.Value, FileHeader, new MultiVolumeReadOnlyStream(Parts.Cast<RarFilePart>(), archive));

tests/SharpCompress.Test/ArchiveTests.cs

@@ -83,12 +83,6 @@ namespace SharpCompress.Test
                                                    });
                         }
                     }
-                    catch (InvalidFormatException)
-                    {
-                        //rar SOLID test needs this
-                        stream.ThrowOnDispose = false;
-                        throw;
-                    }
                     catch (IndexOutOfRangeException)
                     {
                         //SevenZipArchive_BZip2_Split test needs this

tests/SharpCompress.Test/Rar/RarArchiveTests.cs

@@ -203,13 +203,13 @@ namespace SharpCompress.Test.Rar
         [Fact]
         public void Rar_Solid_ArchiveStreamRead()
         {
-            Assert.Throws<InvalidFormatException>(() => ArchiveStreamRead("Rar.solid.rar"));
+            ArchiveStreamRead("Rar.solid.rar");
         }
 
         [Fact]
         public void Rar5_Solid_ArchiveStreamRead()
         {
-            Assert.Throws<InvalidFormatException>(() => ArchiveStreamRead("Rar5.solid.rar"));
+            ArchiveStreamRead("Rar5.solid.rar");
         }
 
         [Fact]
@@ -232,7 +232,7 @@ namespace SharpCompress.Test.Rar
                 "Rar.multi.part03.rar",
                 "Rar.multi.part04.rar",
                 "Rar.multi.part05.rar",
-                "Rar.multi.part06.rar"});
+                "Rar.multi.part06.rar"}, false);
         }
 
         [Fact]
@@ -243,14 +243,15 @@ namespace SharpCompress.Test.Rar
                 "Rar5.multi.part03.rar",
                 "Rar5.multi.part04.rar",
                 "Rar5.multi.part05.rar",
-                "Rar5.multi.part06.rar"});
+                "Rar5.multi.part06.rar"}, false);
         }
 
-        private void DoRar_Multi_ArchiveStreamRead(string[] archives)
+        private void DoRar_Multi_ArchiveStreamRead(string[] archives, bool isSolid)
         {
             using (var archive = RarArchive.Open(archives.Select(s => Path.Combine(TEST_ARCHIVES_PATH, s))
                 .Select(File.OpenRead)))
             {
+                Assert.Equal(archive.IsSolid, isSolid);
                 foreach (var entry in archive.Entries.Where(entry => !entry.IsDirectory))
                 {
                     entry.WriteToDirectory(SCRATCH_FILES_PATH, new ExtractionOptions()
@@ -260,7 +261,18 @@ namespace SharpCompress.Test.Rar
                     });
                 }
             }
-            VerifyFiles();
+        }
+
+        [Fact]
+        public void Rar5_MultiSolid_Extract_All()
+        {
+            DoRar_Multi_ArchiveStreamRead(new string[] {
+                "Rar.multi.solid.part01.rar",
+                "Rar.multi.solid.part02.rar",
+                "Rar.multi.solid.part03.rar",
+                "Rar.multi.solid.part04.rar",
+                "Rar.multi.solid.part05.rar",
+                "Rar.multi.solid.part06.rar"}, true);
         }
 
         [Fact]
@@ -332,13 +344,13 @@ namespace SharpCompress.Test.Rar
         [Fact]
         public void Rar_Solid_ArchiveFileRead()
         {
-            Assert.Throws<InvalidFormatException>(() => ArchiveFileRead("Rar.solid.rar"));
+            ArchiveFileRead("Rar.solid.rar");
         }
 
         [Fact]
         public void Rar5_Solid_ArchiveFileRead()
         {
-            Assert.Throws<InvalidFormatException>(() => ArchiveFileRead("Rar5.solid.rar"));
+            ArchiveFileRead("Rar5.solid.rar");
         }
 
         [Fact]