Merge pull request #388 from SimonCropp/master

Get readonly building again

20 files changed, 168 insertions, 26 deletions

diff --git a/Mono.Cecil.Cil/PortablePdb.cs b/Mono.Cecil.Cil/PortablePdb.cs
index 9542eea..eb124d7 100644
--- a/Mono.Cecil.Cil/PortablePdb.cs
+++ b/Mono.Cecil.Cil/PortablePdb.cs
@@ -60,10 +60,12 @@ namespace Mono.Cecil.Cil {
 			this.debug_reader = new MetadataReader (image, module, this.reader);
 		}
 
+#if !READ_ONLY
 		public ISymbolWriterProvider GetWriterProvider ()
 		{
 			return new PortablePdbWriterProvider ();
 		}
+#endif
 
 		public bool ProcessDebugHeader (ImageDebugHeader header)
 		{
@@ -190,11 +192,12 @@ namespace Mono.Cecil.Cil {
 			this.reader = reader;
 		}
 
+#if !READ_ONLY
 		public ISymbolWriterProvider GetWriterProvider ()
 		{
 			return new EmbeddedPortablePdbWriterProvider ();
 		}
-
+#endif
 		public bool ProcessDebugHeader (ImageDebugHeader header)
 		{
 			return reader.ProcessDebugHeader (header);
diff --git a/Mono.Cecil.Cil/Symbols.cs b/Mono.Cecil.Cil/Symbols.cs
index b89d4cf..0a8a318 100644
--- a/Mono.Cecil.Cil/Symbols.cs
+++ b/Mono.Cecil.Cil/Symbols.cs
@@ -683,8 +683,9 @@ namespace Mono.Cecil.Cil {
 	}
 
 	public interface ISymbolReader : IDisposable {
-
+#if !READ_ONLY
 		ISymbolWriterProvider GetWriterProvider ();
+#endif
 		bool ProcessDebugHeader (ImageDebugHeader header);
 		MethodDebugInformation Read (MethodDefinition method);
 	}
diff --git a/Mono.Cecil.props b/Mono.Cecil.props
index 10ceb57..da63a2f 100644
--- a/Mono.Cecil.props
+++ b/Mono.Cecil.props
@@ -15,7 +15,7 @@
     <NetStandard Condition=" $(Configuration.StartsWith('netstandard')) Or '$(NuGetRestoreTargets)' != '' ">true</NetStandard>
     <NetStandard Condition=" '$(NetStandard)' == '' ">false</NetStandard>
   </PropertyGroup>
-  <PropertyGroup Condition=" $(Configuration.EndsWith('Debug')) ">
+  <PropertyGroup Condition=" $(Configuration.Contains('Debug')) ">
     <DebugSymbols>true</DebugSymbols>
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
@@ -23,7 +23,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
-  <PropertyGroup Condition=" $(Configuration.EndsWith('Release')) ">
+  <PropertyGroup Condition=" $(Configuration.Contains('Release')) ">
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
     <DefineConstants>$(DefineConstants);TRACE;</DefineConstants>
@@ -31,6 +31,9 @@
     <WarningLevel>4</WarningLevel>
     <RunCodeAnalysis>false</RunCodeAnalysis>
   </PropertyGroup>
+  <PropertyGroup Condition=" $(Configuration.Contains('ReadOnly')) ">
+    <DefineConstants>$(DefineConstants);READ_ONLY;</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition=" $(Configuration.StartsWith('net_3_5')) ">
     <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
     <DefineConstants>$(DefineConstants);</DefineConstants>
@@ -49,18 +52,18 @@
     <Reference Include="System" />
   </ItemGroup>
   <!-- The following keeps Visual Studio happy; let's keep Visual Studio happy -->
-  <PropertyGroup Condition=" '$(Configuration)' == 'net_3_5_Debug' ">
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)' == 'net_3_5_Release' ">
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)' == 'net_4_0_Debug' ">
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)' == 'net_4_0_Release' ">
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)' == 'netstandard_Debug' ">
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)' == 'netstandard_Release' ">
-  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'net_3_5_Debug' "/>
+  <PropertyGroup Condition=" '$(Configuration)' == 'net_3_5_Debug_ReadOnly' "/>
+  <PropertyGroup Condition=" '$(Configuration)' == 'net_3_5_Release' "/>
+  <PropertyGroup Condition=" '$(Configuration)' == 'net_3_5_Release_ReadOnly' "/>
+  <PropertyGroup Condition=" '$(Configuration)' == 'net_4_0_Debug' "/>
+  <PropertyGroup Condition=" '$(Configuration)' == 'net_4_0_Debug_ReadOnly' "/>
+  <PropertyGroup Condition=" '$(Configuration)' == 'net_4_0_Release' "/>
+  <PropertyGroup Condition=" '$(Configuration)' == 'net_4_0_Release_ReadOnly' "/>
+  <PropertyGroup Condition=" '$(Configuration)' == 'netstandard_Debug' "/>
+  <PropertyGroup Condition=" '$(Configuration)' == 'netstandard_Debug_ReadOnly' "/>
+  <PropertyGroup Condition=" '$(Configuration)' == 'netstandard_Release' "/>
+  <PropertyGroup Condition=" '$(Configuration)' == 'netstandard_Release_ReadOnly' "/>
   <!-- This optional import allows products that distribute Cecil to tweak settings that will affect its 
        build, without having to fork the project unnecessarily. The Mono.Cecil.overrides file is a plain 
        MSBuild file with additional properties, and can exist anywhere upwards from the current Cecil repo 
diff --git a/Mono.Cecil.sln b/Mono.Cecil.sln
index 23ccdf0..f7ce9ef 100644
--- a/Mono.Cecil.sln
+++ b/Mono.Cecil.sln
@@ -24,100 +24,202 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mono.Cecil.Rocks", "rocks\M
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		net_3_5_Debug_ReadOnly|Any CPU = net_3_5_Debug_ReadOnly|Any CPU
 		net_3_5_Debug|Any CPU = net_3_5_Debug|Any CPU
+		net_3_5_Release_ReadOnly|Any CPU = net_3_5_Release_ReadOnly|Any CPU
 		net_3_5_Release|Any CPU = net_3_5_Release|Any CPU
+		net_4_0_Debug_ReadOnly|Any CPU = net_4_0_Debug_ReadOnly|Any CPU
 		net_4_0_Debug|Any CPU = net_4_0_Debug|Any CPU
+		net_4_0_Release_ReadOnly|Any CPU = net_4_0_Release_ReadOnly|Any CPU
 		net_4_0_Release|Any CPU = net_4_0_Release|Any CPU
+		netstandard_Debug_ReadOnly|Any CPU = netstandard_Debug_ReadOnly|Any CPU
 		netstandard_Debug|Any CPU = netstandard_Debug|Any CPU
+		netstandard_Release_ReadOnly|Any CPU = netstandard_Release_ReadOnly|Any CPU
 		netstandard_Release|Any CPU = netstandard_Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_3_5_Debug_ReadOnly|Any CPU.ActiveCfg = net_3_5_Debug_ReadOnly|Any CPU
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_3_5_Debug_ReadOnly|Any CPU.Build.0 = net_3_5_Debug_ReadOnly|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_3_5_Debug|Any CPU.ActiveCfg = net_3_5_Debug|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_3_5_Debug|Any CPU.Build.0 = net_3_5_Debug|Any CPU
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_3_5_Release_ReadOnly|Any CPU.ActiveCfg = net_3_5_Release_ReadOnly|Any CPU
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_3_5_Release_ReadOnly|Any CPU.Build.0 = net_3_5_Release_ReadOnly|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_3_5_Release|Any CPU.ActiveCfg = net_3_5_Release|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_3_5_Release|Any CPU.Build.0 = net_3_5_Release|Any CPU
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_4_0_Debug_ReadOnly|Any CPU.ActiveCfg = net_4_0_Debug_ReadOnly|Any CPU
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_4_0_Debug_ReadOnly|Any CPU.Build.0 = net_4_0_Debug_ReadOnly|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_4_0_Debug|Any CPU.ActiveCfg = net_4_0_Debug|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_4_0_Debug|Any CPU.Build.0 = net_4_0_Debug|Any CPU
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_4_0_Release_ReadOnly|Any CPU.ActiveCfg = net_4_0_Release_ReadOnly|Any CPU
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_4_0_Release_ReadOnly|Any CPU.Build.0 = net_4_0_Release_ReadOnly|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_4_0_Release|Any CPU.ActiveCfg = net_4_0_Release|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.net_4_0_Release|Any CPU.Build.0 = net_4_0_Release|Any CPU
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.netstandard_Debug_ReadOnly|Any CPU.ActiveCfg = netstandard_Debug_ReadOnly|Any CPU
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.netstandard_Debug_ReadOnly|Any CPU.Build.0 = netstandard_Debug_ReadOnly|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.netstandard_Debug|Any CPU.ActiveCfg = netstandard_Debug|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.netstandard_Debug|Any CPU.Build.0 = netstandard_Debug|Any CPU
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.netstandard_Release_ReadOnly|Any CPU.ActiveCfg = netstandard_Release_ReadOnly|Any CPU
+		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.netstandard_Release_ReadOnly|Any CPU.Build.0 = netstandard_Release_ReadOnly|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.netstandard_Release|Any CPU.ActiveCfg = netstandard_Release|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.netstandard_Release|Any CPU.Build.0 = netstandard_Release|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_3_5_Debug_ReadOnly|Any CPU.ActiveCfg = net_3_5_Debug_ReadOnly|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_3_5_Debug_ReadOnly|Any CPU.Build.0 = net_3_5_Debug_ReadOnly|Any CPU
 		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_3_5_Debug|Any CPU.ActiveCfg = net_3_5_Debug|Any CPU
 		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_3_5_Debug|Any CPU.Build.0 = net_3_5_Debug|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_3_5_Release_ReadOnly|Any CPU.ActiveCfg = net_3_5_Release_ReadOnly|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_3_5_Release_ReadOnly|Any CPU.Build.0 = net_3_5_Release_ReadOnly|Any CPU
 		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_3_5_Release|Any CPU.ActiveCfg = net_3_5_Release|Any CPU
 		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_3_5_Release|Any CPU.Build.0 = net_3_5_Release|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_4_0_Debug_ReadOnly|Any CPU.ActiveCfg = net_4_0_Debug_ReadOnly|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_4_0_Debug_ReadOnly|Any CPU.Build.0 = net_4_0_Debug_ReadOnly|Any CPU
 		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_4_0_Debug|Any CPU.ActiveCfg = net_4_0_Debug|Any CPU
 		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_4_0_Debug|Any CPU.Build.0 = net_4_0_Debug|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_4_0_Release_ReadOnly|Any CPU.ActiveCfg = net_4_0_Release_ReadOnly|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_4_0_Release_ReadOnly|Any CPU.Build.0 = net_4_0_Release_ReadOnly|Any CPU
 		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_4_0_Release|Any CPU.ActiveCfg = net_4_0_Release|Any CPU
 		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.net_4_0_Release|Any CPU.Build.0 = net_4_0_Release|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.netstandard_Debug_ReadOnly|Any CPU.ActiveCfg = netstandard_Debug_ReadOnly|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.netstandard_Debug_ReadOnly|Any CPU.Build.0 = netstandard_Debug_ReadOnly|Any CPU
 		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.netstandard_Debug|Any CPU.ActiveCfg = netstandard_Debug|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.netstandard_Release_ReadOnly|Any CPU.ActiveCfg = netstandard_Release_ReadOnly|Any CPU
+		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.netstandard_Release_ReadOnly|Any CPU.Build.0 = netstandard_Release_ReadOnly|Any CPU
 		{A47B1F49-A81A-43E8-BE6B-DD28AF2C4055}.netstandard_Release|Any CPU.ActiveCfg = netstandard_Release|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_3_5_Debug_ReadOnly|Any CPU.ActiveCfg = net_3_5_Debug_ReadOnly|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_3_5_Debug_ReadOnly|Any CPU.Build.0 = net_3_5_Debug_ReadOnly|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_3_5_Debug|Any CPU.ActiveCfg = net_3_5_Debug|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_3_5_Debug|Any CPU.Build.0 = net_3_5_Debug|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_3_5_Release_ReadOnly|Any CPU.ActiveCfg = net_3_5_Release_ReadOnly|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_3_5_Release_ReadOnly|Any CPU.Build.0 = net_3_5_Release_ReadOnly|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_3_5_Release|Any CPU.ActiveCfg = net_3_5_Release|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_3_5_Release|Any CPU.Build.0 = net_3_5_Release|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_4_0_Debug_ReadOnly|Any CPU.ActiveCfg = net_4_0_Debug_ReadOnly|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_4_0_Debug_ReadOnly|Any CPU.Build.0 = net_4_0_Debug_ReadOnly|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_4_0_Debug|Any CPU.ActiveCfg = net_4_0_Debug|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_4_0_Debug|Any CPU.Build.0 = net_4_0_Debug|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_4_0_Release_ReadOnly|Any CPU.ActiveCfg = net_4_0_Release_ReadOnly|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_4_0_Release_ReadOnly|Any CPU.Build.0 = net_4_0_Release_ReadOnly|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_4_0_Release|Any CPU.ActiveCfg = net_4_0_Release|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.net_4_0_Release|Any CPU.Build.0 = net_4_0_Release|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.netstandard_Debug_ReadOnly|Any CPU.ActiveCfg = netstandard_Debug_ReadOnly|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.netstandard_Debug_ReadOnly|Any CPU.Build.0 = netstandard_Debug_ReadOnly|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.netstandard_Debug|Any CPU.ActiveCfg = netstandard_Debug|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.netstandard_Debug|Any CPU.Build.0 = netstandard_Debug|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.netstandard_Release_ReadOnly|Any CPU.ActiveCfg = netstandard_Release_ReadOnly|Any CPU
+		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.netstandard_Release_ReadOnly|Any CPU.Build.0 = netstandard_Release_ReadOnly|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.netstandard_Release|Any CPU.ActiveCfg = netstandard_Release|Any CPU
 		{8559DD7F-A16F-46D0-A05A-9139FAEBA8FD}.netstandard_Release|Any CPU.Build.0 = netstandard_Release|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_3_5_Debug_ReadOnly|Any CPU.ActiveCfg = net_3_5_Debug_ReadOnly|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_3_5_Debug_ReadOnly|Any CPU.Build.0 = net_3_5_Debug_ReadOnly|Any CPU
 		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_3_5_Debug|Any CPU.ActiveCfg = net_3_5_Debug|Any CPU
 		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_3_5_Debug|Any CPU.Build.0 = net_3_5_Debug|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_3_5_Release_ReadOnly|Any CPU.ActiveCfg = net_3_5_Release_ReadOnly|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_3_5_Release_ReadOnly|Any CPU.Build.0 = net_3_5_Release_ReadOnly|Any CPU
 		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_3_5_Release|Any CPU.ActiveCfg = net_3_5_Release|Any CPU
 		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_3_5_Release|Any CPU.Build.0 = net_3_5_Release|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_4_0_Debug_ReadOnly|Any CPU.ActiveCfg = net_4_0_Debug_ReadOnly|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_4_0_Debug_ReadOnly|Any CPU.Build.0 = net_4_0_Debug_ReadOnly|Any CPU
 		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_4_0_Debug|Any CPU.ActiveCfg = net_4_0_Debug|Any CPU
 		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_4_0_Debug|Any CPU.Build.0 = net_4_0_Debug|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_4_0_Release_ReadOnly|Any CPU.ActiveCfg = net_4_0_Release_ReadOnly|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_4_0_Release_ReadOnly|Any CPU.Build.0 = net_4_0_Release_ReadOnly|Any CPU
 		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_4_0_Release|Any CPU.ActiveCfg = net_4_0_Release|Any CPU
 		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.net_4_0_Release|Any CPU.Build.0 = net_4_0_Release|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.netstandard_Debug_ReadOnly|Any CPU.ActiveCfg = netstandard_Debug_ReadOnly|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.netstandard_Debug_ReadOnly|Any CPU.Build.0 = netstandard_Debug_ReadOnly|Any CPU
 		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.netstandard_Debug|Any CPU.ActiveCfg = netstandard_Debug|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.netstandard_Release_ReadOnly|Any CPU.ActiveCfg = netstandard_Release_ReadOnly|Any CPU
+		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.netstandard_Release_ReadOnly|Any CPU.Build.0 = netstandard_Release_ReadOnly|Any CPU
 		{AC71DF9C-99FA-4A63-990A-66C8010355A6}.netstandard_Release|Any CPU.ActiveCfg = netstandard_Release|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_3_5_Debug_ReadOnly|Any CPU.ActiveCfg = net_3_5_Debug_ReadOnly|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_3_5_Debug_ReadOnly|Any CPU.Build.0 = net_3_5_Debug_ReadOnly|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_3_5_Debug|Any CPU.ActiveCfg = net_3_5_Debug|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_3_5_Debug|Any CPU.Build.0 = net_3_5_Debug|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_3_5_Release_ReadOnly|Any CPU.ActiveCfg = net_3_5_Release_ReadOnly|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_3_5_Release_ReadOnly|Any CPU.Build.0 = net_3_5_Release_ReadOnly|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_3_5_Release|Any CPU.ActiveCfg = net_3_5_Release|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_3_5_Release|Any CPU.Build.0 = net_3_5_Release|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_4_0_Debug_ReadOnly|Any CPU.ActiveCfg = net_4_0_Debug_ReadOnly|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_4_0_Debug_ReadOnly|Any CPU.Build.0 = net_4_0_Debug_ReadOnly|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_4_0_Debug|Any CPU.ActiveCfg = net_4_0_Debug|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_4_0_Debug|Any CPU.Build.0 = net_4_0_Debug|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_4_0_Release_ReadOnly|Any CPU.ActiveCfg = net_4_0_Release_ReadOnly|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_4_0_Release_ReadOnly|Any CPU.Build.0 = net_4_0_Release_ReadOnly|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_4_0_Release|Any CPU.ActiveCfg = net_4_0_Release|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.net_4_0_Release|Any CPU.Build.0 = net_4_0_Release|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.netstandard_Debug_ReadOnly|Any CPU.ActiveCfg = netstandard_Debug_ReadOnly|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.netstandard_Debug_ReadOnly|Any CPU.Build.0 = netstandard_Debug_ReadOnly|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.netstandard_Debug|Any CPU.ActiveCfg = netstandard_Debug|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.netstandard_Debug|Any CPU.Build.0 = netstandard_Debug|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.netstandard_Release_ReadOnly|Any CPU.ActiveCfg = netstandard_Release_ReadOnly|Any CPU
+		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.netstandard_Release_ReadOnly|Any CPU.Build.0 = netstandard_Release_ReadOnly|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.netstandard_Release|Any CPU.ActiveCfg = netstandard_Release|Any CPU
 		{63E6915C-7EA4-4D76-AB28-0D7191EEA626}.netstandard_Release|Any CPU.Build.0 = netstandard_Release|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_3_5_Debug_ReadOnly|Any CPU.ActiveCfg = net_3_5_Debug_ReadOnly|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_3_5_Debug_ReadOnly|Any CPU.Build.0 = net_3_5_Debug_ReadOnly|Any CPU
 		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_3_5_Debug|Any CPU.ActiveCfg = net_3_5_Debug|Any CPU
 		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_3_5_Debug|Any CPU.Build.0 = net_3_5_Debug|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_3_5_Release_ReadOnly|Any CPU.ActiveCfg = net_3_5_Release_ReadOnly|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_3_5_Release_ReadOnly|Any CPU.Build.0 = net_3_5_Release_ReadOnly|Any CPU
 		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_3_5_Release|Any CPU.ActiveCfg = net_3_5_Release|Any CPU
 		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_3_5_Release|Any CPU.Build.0 = net_3_5_Release|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_4_0_Debug_ReadOnly|Any CPU.ActiveCfg = net_4_0_Debug_ReadOnly|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_4_0_Debug_ReadOnly|Any CPU.Build.0 = net_4_0_Debug_ReadOnly|Any CPU
 		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_4_0_Debug|Any CPU.ActiveCfg = net_4_0_Debug|Any CPU
 		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_4_0_Debug|Any CPU.Build.0 = net_4_0_Debug|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_4_0_Release_ReadOnly|Any CPU.ActiveCfg = net_4_0_Release_ReadOnly|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_4_0_Release_ReadOnly|Any CPU.Build.0 = net_4_0_Release_ReadOnly|Any CPU
 		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_4_0_Release|Any CPU.ActiveCfg = net_4_0_Release|Any CPU
 		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.net_4_0_Release|Any CPU.Build.0 = net_4_0_Release|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.netstandard_Debug_ReadOnly|Any CPU.ActiveCfg = netstandard_Debug_ReadOnly|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.netstandard_Debug_ReadOnly|Any CPU.Build.0 = netstandard_Debug_ReadOnly|Any CPU
 		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.netstandard_Debug|Any CPU.ActiveCfg = netstandard_Debug|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.netstandard_Release_ReadOnly|Any CPU.ActiveCfg = netstandard_Release_ReadOnly|Any CPU
+		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.netstandard_Release_ReadOnly|Any CPU.Build.0 = netstandard_Release_ReadOnly|Any CPU
 		{29300103-CB76-4A1D-B6FD-FFD91C1EC8AA}.netstandard_Release|Any CPU.ActiveCfg = netstandard_Release|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_3_5_Debug_ReadOnly|Any CPU.ActiveCfg = net_3_5_Debug_ReadOnly|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_3_5_Debug_ReadOnly|Any CPU.Build.0 = net_3_5_Debug_ReadOnly|Any CPU
 		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_3_5_Debug|Any CPU.ActiveCfg = net_3_5_Debug|Any CPU
 		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_3_5_Debug|Any CPU.Build.0 = net_3_5_Debug|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_3_5_Release_ReadOnly|Any CPU.ActiveCfg = net_3_5_Release_ReadOnly|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_3_5_Release_ReadOnly|Any CPU.Build.0 = net_3_5_Release_ReadOnly|Any CPU
 		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_3_5_Release|Any CPU.ActiveCfg = net_3_5_Release|Any CPU
 		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_3_5_Release|Any CPU.Build.0 = net_3_5_Release|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_4_0_Debug_ReadOnly|Any CPU.ActiveCfg = net_4_0_Debug_ReadOnly|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_4_0_Debug_ReadOnly|Any CPU.Build.0 = net_4_0_Debug_ReadOnly|Any CPU
 		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_4_0_Debug|Any CPU.ActiveCfg = net_4_0_Debug|Any CPU
 		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_4_0_Debug|Any CPU.Build.0 = net_4_0_Debug|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_4_0_Release_ReadOnly|Any CPU.ActiveCfg = net_4_0_Release_ReadOnly|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_4_0_Release_ReadOnly|Any CPU.Build.0 = net_4_0_Release_ReadOnly|Any CPU
 		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_4_0_Release|Any CPU.ActiveCfg = net_4_0_Release|Any CPU
 		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.net_4_0_Release|Any CPU.Build.0 = net_4_0_Release|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.netstandard_Debug_ReadOnly|Any CPU.ActiveCfg = netstandard_Debug_ReadOnly|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.netstandard_Debug_ReadOnly|Any CPU.Build.0 = netstandard_Debug_ReadOnly|Any CPU
 		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.netstandard_Debug|Any CPU.ActiveCfg = netstandard_Debug|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.netstandard_Release_ReadOnly|Any CPU.ActiveCfg = netstandard_Release_ReadOnly|Any CPU
+		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.netstandard_Release_ReadOnly|Any CPU.Build.0 = netstandard_Release_ReadOnly|Any CPU
 		{C6CFD7E1-B855-44DC-B4CE-9CD72984AF52}.netstandard_Release|Any CPU.ActiveCfg = netstandard_Release|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_3_5_Debug_ReadOnly|Any CPU.ActiveCfg = net_3_5_Debug_ReadOnly|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_3_5_Debug_ReadOnly|Any CPU.Build.0 = net_3_5_Debug_ReadOnly|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_3_5_Debug|Any CPU.ActiveCfg = net_3_5_Debug|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_3_5_Debug|Any CPU.Build.0 = net_3_5_Debug|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_3_5_Release_ReadOnly|Any CPU.ActiveCfg = net_3_5_Release_ReadOnly|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_3_5_Release_ReadOnly|Any CPU.Build.0 = net_3_5_Release_ReadOnly|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_3_5_Release|Any CPU.ActiveCfg = net_3_5_Release|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_3_5_Release|Any CPU.Build.0 = net_3_5_Release|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_4_0_Debug_ReadOnly|Any CPU.ActiveCfg = net_4_0_Debug_ReadOnly|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_4_0_Debug_ReadOnly|Any CPU.Build.0 = net_4_0_Debug_ReadOnly|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_4_0_Debug|Any CPU.ActiveCfg = net_4_0_Debug|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_4_0_Debug|Any CPU.Build.0 = net_4_0_Debug|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_4_0_Release_ReadOnly|Any CPU.ActiveCfg = net_4_0_Release_ReadOnly|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_4_0_Release_ReadOnly|Any CPU.Build.0 = net_4_0_Release_ReadOnly|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_4_0_Release|Any CPU.ActiveCfg = net_4_0_Release|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.net_4_0_Release|Any CPU.Build.0 = net_4_0_Release|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.netstandard_Debug_ReadOnly|Any CPU.ActiveCfg = netstandard_Debug_ReadOnly|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.netstandard_Debug_ReadOnly|Any CPU.Build.0 = netstandard_Debug_ReadOnly|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.netstandard_Debug|Any CPU.ActiveCfg = netstandard_Debug|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.netstandard_Debug|Any CPU.Build.0 = netstandard_Debug|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.netstandard_Release_ReadOnly|Any CPU.ActiveCfg = netstandard_Release_ReadOnly|Any CPU
+		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.netstandard_Release_ReadOnly|Any CPU.Build.0 = netstandard_Release_ReadOnly|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.netstandard_Release|Any CPU.ActiveCfg = netstandard_Release|Any CPU
 		{FBC6DD59-D09D-499C-B03C-99C1C78FF2AC}.netstandard_Release|Any CPU.Build.0 = netstandard_Release|Any CPU
 	EndGlobalSection
diff --git a/Mono.Cecil/ModuleDefinition.cs b/Mono.Cecil/ModuleDefinition.cs
index 1c0c347..ced3cab 100644
--- a/Mono.Cecil/ModuleDefinition.cs
+++ b/Mono.Cecil/ModuleDefinition.cs
@@ -1217,8 +1217,6 @@ namespace Mono.Cecil {
 				throw new ArgumentException ();
 		}
 
-#if !READ_ONLY
-
 		public static void CheckType (object type)
 		{
 			if (type == null)
@@ -1243,8 +1241,6 @@ namespace Mono.Cecil {
 				throw new ArgumentNullException (Argument.method.ToString ());
 		}
 
-#endif
-
 		public static void CheckParameters (object parameters)
 		{
 			if (parameters == null)
diff --git a/Test/Mono.Cecil.Tests/BaseTestFixture.cs b/Test/Mono.Cecil.Tests/BaseTestFixture.cs
index 0112725..ee9d521 100644
--- a/Test/Mono.Cecil.Tests/BaseTestFixture.cs
+++ b/Test/Mono.Cecil.Tests/BaseTestFixture.cs
@@ -118,11 +118,13 @@ namespace Mono.Cecil.Tests {
 			if (testCase.ReadOnly)
 				return;
 
+#if !READ_ONLY
 			using (var runner = new TestRunner (testCase, TestCaseType.WriteFromDeferred))
 				runner.RunTest ();
 
 			using (var runner = new TestRunner (testCase, TestCaseType.WriteFromImmediate))
 				runner.RunTest ();
+#endif
 		}
 	}
 
@@ -237,12 +239,14 @@ namespace Mono.Cecil.Tests {
 			case TestCaseType.ReadDeferred:
 				parameters.ReadingMode = ReadingMode.Deferred;
 				return ModuleDefinition.ReadModule (location, parameters);
+#if !READ_ONLY
 			case TestCaseType.WriteFromImmediate:
 				parameters.ReadingMode = ReadingMode.Immediate;
 				return RoundTrip (location, parameters, "cecil-irt");
 			case TestCaseType.WriteFromDeferred:
 				parameters.ReadingMode = ReadingMode.Deferred;
 				return RoundTrip (location, parameters, "cecil-drt");
+#endif
 			default:
 				return null;
 			}
@@ -256,6 +260,7 @@ namespace Mono.Cecil.Tests {
 			return (ISymbolReaderProvider) Activator.CreateInstance (test_case.SymbolReaderProvider);
 		}
 
+#if !READ_ONLY
 		ISymbolWriterProvider GetSymbolWriterProvider ()
 		{
 			if (test_case.SymbolReaderProvider == null)
@@ -263,6 +268,7 @@ namespace Mono.Cecil.Tests {
 
 			return (ISymbolWriterProvider) Activator.CreateInstance (test_case.SymbolWriterProvider);
 		}
+#endif
 
 		IAssemblyResolver GetAssemblyResolver ()
 		{
@@ -275,6 +281,7 @@ namespace Mono.Cecil.Tests {
 			return test_resolver;
 		}
 
+#if !READ_ONLY
 		ModuleDefinition RoundTrip (string location, ReaderParameters reader_parameters, string folder)
 		{
 			var rt_folder = Path.Combine (Path.GetTempPath (), folder);
@@ -297,7 +304,7 @@ namespace Mono.Cecil.Tests {
 
 			return ModuleDefinition.ReadModule (rt_module, reader_parameters);
 		}
-
+#endif
 		public void RunTest ()
 		{
 			var module = GetModule ();
@@ -321,7 +328,9 @@ namespace Mono.Cecil.Tests {
 	enum TestCaseType {
 		ReadImmediate,
 		ReadDeferred,
+#if !READ_ONLY
 		WriteFromImmediate,
 		WriteFromDeferred,
+#endif
 	}
 }
diff --git a/Test/Mono.Cecil.Tests/CustomAttributesTests.cs b/Test/Mono.Cecil.Tests/CustomAttributesTests.cs
index 29922ad..a89fcfd 100644
--- a/Test/Mono.Cecil.Tests/CustomAttributesTests.cs
+++ b/Test/Mono.Cecil.Tests/CustomAttributesTests.cs
@@ -449,6 +449,7 @@ namespace Mono.Cecil.Tests {
 			});
 		}
 
+#if !READ_ONLY
 		[Test]
 		public void DefineCustomAttributeFromBlob ()
 		{
@@ -486,7 +487,7 @@ namespace Mono.Cecil.Tests {
 
 			module.Dispose ();
 		}
-
+#endif
 		static void AssertCustomAttribute (string expected, CustomAttribute attribute)
 		{
 			Assert.AreEqual (expected, PrettyPrint (attribute));
diff --git a/Test/Mono.Cecil.Tests/ImageReadTests.cs b/Test/Mono.Cecil.Tests/ImageReadTests.cs
index 895ba18..16f89d2 100644
--- a/Test/Mono.Cecil.Tests/ImageReadTests.cs
+++ b/Test/Mono.Cecil.Tests/ImageReadTests.cs
@@ -195,6 +195,7 @@ namespace Mono.Cecil.Tests {
 			});
 		}
 
+#if !READ_ONLY
 		[Test]
 		public void ExternalPdbDeterministicAssembly ()
 		{
@@ -223,5 +224,6 @@ namespace Mono.Cecil.Tests {
 				Assert.IsTrue (header.Entries.Any (e => e.Directory.Type == ImageDebugType.EmbeddedPortablePdb));
 			}, symbolReaderProvider: typeof (EmbeddedPortablePdbReaderProvider), symbolWriterProvider: typeof (EmbeddedPortablePdbWriterProvider));
 		}
+#endif
 	}
 }
diff --git a/Test/Mono.Cecil.Tests/ImportCecilTests.cs b/Test/Mono.Cecil.Tests/ImportCecilTests.cs
index 299948f..a28b093 100644
--- a/Test/Mono.Cecil.Tests/ImportCecilTests.cs
+++ b/Test/Mono.Cecil.Tests/ImportCecilTests.cs
@@ -1,3 +1,4 @@
+#if !READ_ONLY
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -372,3 +373,4 @@ namespace Mono.Cecil.Tests {
 		}
 	}
 }
+#endif
\ No newline at end of file
diff --git a/Test/Mono.Cecil.Tests/ImportReflectionTests.cs b/Test/Mono.Cecil.Tests/ImportReflectionTests.cs
index 65a1f1a..0476861 100644
--- a/Test/Mono.Cecil.Tests/ImportReflectionTests.cs
+++ b/Test/Mono.Cecil.Tests/ImportReflectionTests.cs
@@ -1,3 +1,4 @@
+#if !READ_ONLY
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -419,3 +420,4 @@ namespace Mono.Cecil.Tests {
 		}
 	}
 }
+#endif
\ No newline at end of file
diff --git a/Test/Mono.Cecil.Tests/ModuleTests.cs b/Test/Mono.Cecil.Tests/ModuleTests.cs
index e57d6bd..476b8ff 100644
--- a/Test/Mono.Cecil.Tests/ModuleTests.cs
+++ b/Test/Mono.Cecil.Tests/ModuleTests.cs
@@ -12,6 +12,7 @@ namespace Mono.Cecil.Tests {
 	[TestFixture]
 	public class ModuleTests : BaseTestFixture {
 
+#if !READ_ONLY
 		[Test]
 		public void CreateModuleEscapesAssemblyName ()
 		{
@@ -21,6 +22,7 @@ namespace Mono.Cecil.Tests {
 			module = ModuleDefinition.CreateModule ("Test.exe", ModuleKind.Console);
 			Assert.AreEqual ("Test", module.Assembly.Name.Name);
 		}
+#endif
 
 		[Test]
 		public void SingleModule ()
@@ -277,6 +279,7 @@ namespace Mono.Cecil.Tests {
 			}
 		}
 
+#if !READ_ONLY
 		[Test]
 		public void ReadAndWriteFile ()
 		{
@@ -309,5 +312,6 @@ namespace Mono.Cecil.Tests {
 			// Ensure you can still delete the file
 			File.Delete (path);
 		}
+#endif
 	}
 }
diff --git a/Test/Mono.Cecil.Tests/PortablePdbTests.cs b/Test/Mono.Cecil.Tests/PortablePdbTests.cs
index 1b4c5ec..759677c 100644
--- a/Test/Mono.Cecil.Tests/PortablePdbTests.cs
+++ b/Test/Mono.Cecil.Tests/PortablePdbTests.cs
@@ -1,3 +1,4 @@
+#if !READ_ONLY
 using System;
 using System.IO;
 using System.Linq;
@@ -337,6 +338,7 @@ namespace Mono.Cecil.Tests {
 			});
 		}
 
+#if !READ_ONLY
 		[Test]
 		public void EmbeddedCompressedPortablePdb ()
 		{
@@ -418,5 +420,7 @@ namespace Mono.Cecil.Tests {
 	IL_0001: ret", main);
 			}, symbolReaderProvider: typeof (PortablePdbReaderProvider), symbolWriterProvider: typeof (PortablePdbWriterProvider));
 		}
+#endif
 	}
 }
+#endif
\ No newline at end of file
diff --git a/Test/Mono.Cecil.Tests/SecurityDeclarationTests.cs b/Test/Mono.Cecil.Tests/SecurityDeclarationTests.cs
index 3939502..3b59e6f 100644
--- a/Test/Mono.Cecil.Tests/SecurityDeclarationTests.cs
+++ b/Test/Mono.Cecil.Tests/SecurityDeclarationTests.cs
@@ -93,6 +93,7 @@ namespace Mono.Cecil.Tests {
 			});
 		}
 
+#if !READ_ONLY
 		[Test]
 		public void DefineSecurityDeclarationByBlob ()
 		{
@@ -125,6 +126,7 @@ namespace Mono.Cecil.Tests {
 			Assert.AreEqual ("System.String", argument.Type.FullName);
 			Assert.AreEqual (permission_set, argument.Value);
 		}
+#endif
 
 		[Test]
 		public void SecurityDeclarationWithoutAttributes ()
diff --git a/Test/Mono.Cecil.Tests/SymbolTests.cs b/Test/Mono.Cecil.Tests/SymbolTests.cs
index d9b85f1..e2bb51c 100644
--- a/Test/Mono.Cecil.Tests/SymbolTests.cs
+++ b/Test/Mono.Cecil.Tests/SymbolTests.cs
@@ -1,3 +1,4 @@
+#if !READ_ONLY
 using System;
 using System.IO;
 
@@ -51,3 +52,4 @@ namespace Mono.Cecil.Tests {
 		}
 	}
 }
+#endif
\ No newline at end of file
diff --git a/Test/Mono.Cecil.Tests/WindowsRuntimeProjectionsTests.cs b/Test/Mono.Cecil.Tests/WindowsRuntimeProjectionsTests.cs
index 52f5f73..166f4d9 100644
--- a/Test/Mono.Cecil.Tests/WindowsRuntimeProjectionsTests.cs
+++ b/Test/Mono.Cecil.Tests/WindowsRuntimeProjectionsTests.cs
@@ -63,6 +63,7 @@ namespace Mono.Cecil.Tests {
 			}, verify: false, assemblyResolver: WindowsRuntimeAssemblyResolver.CreateInstance (), applyWindowsRuntimeProjections: true);
 		}
 
+#if !READ_ONLY
 		[Test]
 		public void CanStripType ()
 		{
@@ -90,6 +91,7 @@ namespace Mono.Cecil.Tests {
 				}
 			}, readOnly: true, verify: false, assemblyResolver: assemblyResolver, applyWindowsRuntimeProjections: true);
 		}
+#endif
 	}
 
 	[TestFixture]
diff --git a/rocks/Test/Mono.Cecil.Tests/TypeReferenceRocksTests.cs b/rocks/Test/Mono.Cecil.Tests/TypeReferenceRocksTests.cs
index 7f51f79..bcb9336 100644
--- a/rocks/Test/Mono.Cecil.Tests/TypeReferenceRocksTests.cs
+++ b/rocks/Test/Mono.Cecil.Tests/TypeReferenceRocksTests.cs
@@ -1,3 +1,4 @@
+#if !READ_ONLY
 using System;
 
 using Mono.Cecil.Rocks;
@@ -121,4 +122,5 @@ namespace Mono.Cecil.Tests {
 			return ModuleDefinition.ReadModule (typeof (TypeReferenceRocksTests).Module.FullyQualifiedName).ImportReference (type);
 		}
 	}
-}
\ No newline at end of file
+}
+#endif
\ No newline at end of file
diff --git a/symbols/mdb/Mono.Cecil.Mdb/MdbReader.cs b/symbols/mdb/Mono.Cecil.Mdb/MdbReader.cs
index e9782d6..66a7225 100644
--- a/symbols/mdb/Mono.Cecil.Mdb/MdbReader.cs
+++ b/symbols/mdb/Mono.Cecil.Mdb/MdbReader.cs
@@ -58,10 +58,12 @@ namespace Mono.Cecil.Mdb {
 			this.documents = new Dictionary<string, Document> ();
 		}
 
+#if !READ_ONLY
 		public ISymbolWriterProvider GetWriterProvider ()
 		{
 			return new MdbWriterProvider ();
 		}
+#endif
 
 		public bool ProcessDebugHeader (ImageDebugHeader header)
 		{
diff --git a/symbols/mdb/Test/Mono.Cecil.Tests/MdbTests.cs b/symbols/mdb/Test/Mono.Cecil.Tests/MdbTests.cs
index 883028b..2b58f7f 100644
--- a/symbols/mdb/Test/Mono.Cecil.Tests/MdbTests.cs
+++ b/symbols/mdb/Test/Mono.Cecil.Tests/MdbTests.cs
@@ -1,4 +1,4 @@
-
+#if !READ_ONLY
 using Mono.Cecil.Mdb;
 
 using NUnit.Framework;
@@ -83,3 +83,4 @@ namespace Mono.Cecil.Tests {
 		}
 	}
 }
+#endif
\ No newline at end of file
diff --git a/symbols/pdb/Mono.Cecil.Pdb/NativePdbReader.cs b/symbols/pdb/Mono.Cecil.Pdb/NativePdbReader.cs
index 781e605..7be5c22 100644
--- a/symbols/pdb/Mono.Cecil.Pdb/NativePdbReader.cs
+++ b/symbols/pdb/Mono.Cecil.Pdb/NativePdbReader.cs
@@ -35,11 +35,12 @@ namespace Mono.Cecil.Pdb {
 			this.pdb_file = file;
 		}
 
+#if !READ_ONLY
 		public ISymbolWriterProvider GetWriterProvider ()
 		{
 			return new NativePdbWriterProvider ();
 		}
-
+#endif
 		/*
 		uint Magic = 0x53445352;
 		Guid Signature;
diff --git a/symbols/pdb/Test/Mono.Cecil.Tests/PdbTests.cs b/symbols/pdb/Test/Mono.Cecil.Tests/PdbTests.cs
index 314a7b5..c685608 100644
--- a/symbols/pdb/Test/Mono.Cecil.Tests/PdbTests.cs
+++ b/symbols/pdb/Test/Mono.Cecil.Tests/PdbTests.cs
@@ -1,4 +1,4 @@
-
+#if !READ_ONLY
 using System.IO;
 using System.Linq;
 
@@ -412,3 +412,4 @@ namespace Mono.Cecil.Tests {
 		}
 	}
 }
+#endif
\ No newline at end of file