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jonpryorjonpryor
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Add test around interface method inheritance
Context: 1adb796 Context: #1183 While reviewing #1261, I noticed this change: ```diff diff --git a/tests/generator-Tests/expected.ji/AccessModifiers/Xamarin.Test.IExtendedInterface.cs b/tests/generator-Tests/expected.ji/AccessModifiers/Xamarin.Test.IExtendedInterface.cs index 3ea50e6bd..83d01f24a 100644 --- a/tests/generator-Tests/expected.ji/AccessModifiers/Xamarin.Test.IExtendedInterface.cs +++ b/tests/generator-Tests/expected.ji/AccessModifiers/Xamarin.Test.IExtendedInterface.cs @@ -46,7 +46,7 @@ public unsafe void BaseMethod () { const string __id = "baseMethod.()V"; try { - _members_xamarin_test_BaseInterface.InstanceMethods.InvokeAbstractVoidMethod (__id, this, null); + _members_xamarin_test_ExtendedInterface.InstanceMethods.InvokeAbstractVoidMethod (__id, this, null); } finally { } } ``` and went "hmm". Recall and consider 1adb796: if we invoke the interface method on the "wrong" declaring type, things break. This is why 1adb796 updated interface invokers to only invoke methods upon their declared interfaces. The concern comes around *non-`public`* interface method invocation: /* package */ interface PackagePrivateInterface { void m(); } public interface PublicInterface extends PackagePrivateInterface { } With commit 63dcf36, attempts to invoke `m()` are made upon `PublicInterface`, not `PackagePrivateInterface`. Is this a problem? Begin partially implementing #1183, adding a new `build-tools/Java.Interop.Sdk` (not quite a) "project", which has an `Sdk.props` and `Sdk.targets` file, which combined add support for: * A `@(JavaCompile)` build action, for Java source. * A `@(JavaReference)` build action, for Java libraries. * As a pre-Compile step, files with `%(JavaCompile.Bind)`=True or `%(JavaReference.Bind)`=True will be automatically bound, via `class-parse` + `generator`. * As a post-Compile step, the assembly will be processed with `jcw-gen` to generate Java Callable Wrappers, which will be compiled into `$(AssemblyName).jar`. Then, update `tests/Java.Base-Tests` to use this new functionality, adding a test case to hit the "invoke method declared in a private interface upon the public interface" scenario. Result: it works! Of partial interest is `IInterfaceMethodInheritanceInvoker`: internal partial class IInterfaceMethodInheritanceInvoker : global::Java.Lang.Object, IInterfaceMethodInheritance { static readonly JniPeerMembers _members_net_dot_jni_test_BaseInterface = new JniPeerMembers ("net/dot/jni/test/BaseInterface", typeof (IInterfaceMethodInheritanceInvoker)); static readonly JniPeerMembers _members_net_dot_jni_test_InterfaceMethodInheritance = new JniPeerMembers ("net/dot/jni/test/InterfaceMethodInheritance", typeof (IInterfaceMethodInheritanceInvoker)); static readonly JniPeerMembers _members_net_dot_jni_test_InternalInterface = new JniPeerMembers ("net/dot/jni/test/InternalInterface", typeof (IInterfaceMethodInheritanceInvoker)); static readonly JniPeerMembers _members_net_dot_jni_test_PublicInterface = new JniPeerMembers ("net/dot/jni/test/PublicInterface", typeof (IInterfaceMethodInheritanceInvoker)); } Of these four fields, two are for internal types: `_members_net_dot_jni_test_BaseInterface` and `_members_net_dot_jni_test_InternalInterface`. Fortunately those types aren't otherwise used. Of concern, though, is that the constructor invocation *does* result in a `JNIEnv::FindClass()` invocation, meaning these bindings would look up (ostensibly) "private" types, which could change! This presents a compatibility concern: if (when?) those type names change, then the generated bindings will break. TODO: * Test this puppy in dotnet/android. Just because "it works" on Desktop JDK doesn't mean it does *on Android*. * Update `generator` output to *not* emit the `static readonly JniPeerMembers` fields for internal types.
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‎build-tools/Java.Interop.Sdk/Sdk/Sdk.props

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<Project>
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<PropertyGroup>
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<JavaPathSeparator Condition=" $([MSBuild]::IsOSPlatform('windows')) ">;</JavaPathSeparator>
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<JavaPathSeparator Condition=" '$(JavacClasspathSeparator)' == '' ">:</JavaPathSeparator>
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</PropertyGroup>
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</Project>

‎build-tools/Java.Interop.Sdk/Sdk/Sdk.targets

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<Project>
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<ItemDefinitionGroup>
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<JavaCompile>
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<Bind>True</Bind>
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</JavaCompile>
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<JavaReference>
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<Bind>True</Bind>
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</JavaReference>
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</ItemDefinitionGroup>
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<PropertyGroup>
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<JavaOutputJar Condition=" '$(JavaOutputJar)' == '' ">$(OutputPath)$(AssemblyName).jar</JavaOutputJar>
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</PropertyGroup>
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<PropertyGroup>
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<JavaCreateManagedBindingsDependsOn>
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_BuildJavaCompileForManagedBinding;
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_GenerateApiDescription;
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_GenerateManagedBinding;
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_CleanupManagedBinding;
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</JavaCreateManagedBindingsDependsOn>
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<JavaCreateJavaCallableWrappersDependsOn>
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_JavaCreateJcws;
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_JavaCreateOutputJar;
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</JavaCreateJavaCallableWrappersDependsOn>
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</PropertyGroup>
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<Target Name="JavaCreateManagedBindings"
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BeforeTargets="CoreCompile"
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DependsOnTargets="$(JavaCreateManagedBindingsDependsOn)">
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</Target>
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<Target Name="JavaCreateJavaCallableWrappers"
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AfterTargets="CoreCompile"
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DependsOnTargets="$(JavaCreateJavaCallableWrappersDependsOn)">
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</Target>
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<PropertyGroup>
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<_GeneratorPath>$(UtilityOutputFullPath)generator.dll</_GeneratorPath>
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<_JavaIntermediateDir>$(IntermediateOutputPath)_ji\</_JavaIntermediateDir>
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<_JavaManagedBindingInput>$(_JavaIntermediateDir)o.jar</_JavaManagedBindingInput>
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<_JavaManagedBindingDir>$(_JavaIntermediateDir)mcw\</_JavaManagedBindingDir>
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<_JavaJcwClassesDir>$(_JavaIntermediateDir)classes\</_JavaJcwClassesDir>
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<_JavaJcwSourcesDir>$(_JavaIntermediateDir)java\</_JavaJcwSourcesDir>
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</PropertyGroup>
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<Target Name="_CollectJavaCompileForManagedBindingInputs">
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<ItemGroup>
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<_JavaCompileForBindingInputs
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Condition=" '%(JavaCompile.Bind)' == 'True' "
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Include="@(JavaCompile)"
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/>
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</ItemGroup>
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</Target>
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<Target Name="_JavaCollectJavacRefs">
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<ItemGroup>
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<_JavacRefs Include="$(ToolOutputFullPath)java-interop.jar" />
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<_JavacRefs Include="@(JavaReference)" />
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<_JavacRefsWithForwardSlash Include="@(_JavacRefs->Replace('%5c', '/'))" />
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</ItemGroup>
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</Target>
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<Target Name="_BuildJavaCompileForManagedBinding"
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DependsOnTargets="_CollectJavaCompileForManagedBindingInputs;_JavaCollectJavacRefs"
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Inputs="@(_JavaCompileForBindingInputs)"
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Outputs="$(_JavaManagedBindingInput)">
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<PropertyGroup>
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<_ClassesDir>$(_JavaIntermediateDir)\bound-classes</_ClassesDir>
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<_ResponseFile>$(_JavaIntermediateDir)r.txt</_ResponseFile>
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<_Classpath>@(_JavacRefsWithForwardSlash, '$(JavaPathSeparator)')</_Classpath>
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</PropertyGroup>
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<MakeDir Directories="$(_ClassesDir)" />
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<ItemGroup>
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<_Response Include="-classpath" />
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<_Response Include="&quot;$(_Classpath)&quot;" />
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<_Response Include="@(_JavaCompileForBindingInputs->Replace('%5c', '/'))" />
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</ItemGroup>
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<WriteLinesToFile
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File="$(_ResponseFile)"
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Lines="@(_Response)"
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Overwrite="True"
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/>
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<Message Text="`javac` response file contents:" Importance="Low" />
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<Message Text="@(_Response, '
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')" Importance="Low" />
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<Exec Command="&quot;$(JavaCPath)&quot; $(_JavacSourceOptions) -d &quot;$(_ClassesDir)&quot; &quot;@$(_ResponseFile)&quot;" />
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<Delete Files="$(_ResponseFile)" />
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<Exec Command="&quot;$(JarPath)&quot; cf &quot;$(_JavaManagedBindingInput)&quot; -C &quot;$(_ClassesDir)&quot; ." />
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</Target>
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<Target Name="_CollectClassParseInputs">
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<ItemGroup>
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<_ClassParseInputs
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Condition=" Exists($(_JavaManagedBindingInput))"
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Include="$(_JavaManagedBindingInput)"
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/>
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<_ClassParseInputs
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Condition=" '%(JavaReference.Bind)' == 'True' "
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Include="@(JavaReference)"
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/>
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</ItemGroup>
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</Target>
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<Target Name="_GenerateApiDescription"
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DependsOnTargets="_CollectClassParseInputs"
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Inputs="@(_ClassParseInputs)"
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Outputs="$(_JavaManagedBindingDir)api.xml">
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<MakeDir Directories="$(_JavaManagedBindingDir)" />
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<PropertyGroup>
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<_ClassParse>"$(UtilityOutputFullPath)class-parse.dll"</_ClassParse>
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<_Inputs>@(_ClassParseInputs, ' ')</_Inputs>
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<_Output>"-o=$(_JavaManagedBindingDir)api.xml"</_Output>
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</PropertyGroup>
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<Exec
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Command="$(DotnetToolPath) $(_ClassParse) $(_Inputs) $(_Output)"
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/>
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</Target>
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<Target Name="_GenerateManagedBinding"
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DependsOnTargets="_GenerateApiDescription"
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Inputs="$(_JavaManagedBindingDir)api.xml"
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Outputs="$(_JavaManagedBindingDir)$(AssemblyName).projitems">
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<MakeDir Directories="$(_JavaManagedBindingDir)" />
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<PropertyGroup>
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<Generator>"$(_GeneratorPath)"</Generator>
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<_GenFlags>--public --global</_GenFlags>
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<_Out>-o "$(_JavaManagedBindingDir)"</_Out>
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<_Codegen>--codegen-target=JavaInterop1</_Codegen>
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<_Assembly>"--assembly=$(AssemblyName)"</_Assembly>
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<_TypeMap>--type-map-report=$(_JavaManagedBindingDir)type-mapping.txt</_TypeMap>
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<_Api>$(_JavaManagedBindingDir)api.xml</_Api>
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<_Dirs>--enumdir=$(_JavaManagedBindingDir)</_Dirs>
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<_FullIntermediateOutputPath>$([System.IO.Path]::GetFullPath('$(_JavaManagedBindingDir)'))</_FullIntermediateOutputPath>
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<_LangFeatures>--lang-features=nullable-reference-types,default-interface-methods,nested-interface-types,interface-constants</_LangFeatures>
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</PropertyGroup>
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<ItemGroup>
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<!-- I can't find a good way to trim the trailing `\`, so append with `.` so we can sanely quote for $(_Libpath) -->
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<_RefAsmDir Include="@(ReferencePathWithRefAssemblies->'%(RootDir)%(Directory).'->Distinct())" />
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<_Lib Include="@(_RefAsmDir->'-L &quot;%(Identity)&quot;')" />
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<_JavaBaseRef Include="@(ReferencePathWithRefAssemblies)"
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Condition=" '%(FileName)' == 'Java.Base' "
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/>
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<_Ref Include="@(_JavaBaseRef->'-r &quot;%(FullPath)&quot;')" />
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</ItemGroup>
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<Exec
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Command="$(DotnetToolPath) $(Generator) $(_GenFlags) $(_ApiLevel) $(_Out) @(_Lib, ' ') @(_Ref, ' ') $(_Codegen) $(_Assembly) $(_TypeMap) $(_LangFeatures) $(_Dirs) $(_Api) $(_WithJavadocXml)"
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IgnoreStandardErrorWarningFormat="True"
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/>
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<ItemGroup>
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<Compile Include="$(_FullIntermediateOutputPath)\**\*.cs" KeepDuplicates="False" />
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<FileWrites Include="$(_FullIntermediateOutputPath)\**\*.cs" />
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</ItemGroup>
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<XmlPeek
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Namespaces="&lt;Namespace Prefix='msbuild' Uri='http://schemas.microsoft.com/developer/msbuild/2003' /&gt;"
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XmlInputPath="$(_JavaManagedBindingDir)$(AssemblyName).projitems"
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Query="/msbuild:Project/msbuild:PropertyGroup/msbuild:DefineConstants/text()" >
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<Output TaskParameter="Result" PropertyName="_GeneratedDefineConstants" />
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</XmlPeek>
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<PropertyGroup>
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<DefineConstants>$(DefineConstants);$([System.String]::Copy('$(_GeneratedDefineConstants)').Replace ('%24(DefineConstants);', ''))</DefineConstants>
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</PropertyGroup>
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</Target>
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<Target Name="_CleanupManagedBinding" />
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<Target Name="_JavaCreateJcws"
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Condition=" '$(TargetPath)' != '' And Exists($(TargetPath))"
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Inputs="$(TargetPath)"
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Outputs="$(_JavaJcwSourcesDir).stamp">
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<RemoveDir Directories="$(_JavaJcwSourcesDir)" />
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<MakeDir Directories="$(_JavaJcwSourcesDir)" />
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<ItemGroup>
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<!-- I can't find a good way to trim the trailing `\`, so append with `.` so we can sanely quote for $(_Libpath) -->
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<_RefAsmDirs Include="@(ReferencePathWithRefAssemblies->'%(RootDir)%(Directory).'->Distinct())" />
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</ItemGroup>
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<PropertyGroup>
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<_JcwGen>"$(UtilityOutputFullPath)/jcw-gen.dll"</_JcwGen>
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<_Target>--codegen-target JavaInterop1</_Target>
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<_Output>-o "$(_JavaJcwSourcesDir)"</_Output>
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<_Libpath>@(_RefAsmDirs->'-L "%(Identity)"', ' ')</_Libpath>
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</PropertyGroup>
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<Exec Command="$(DotnetToolPath) $(_JcwGen) -v &quot;$(TargetPath)&quot; $(_Target) $(_Output) $(_Libpath)" />
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<Touch Files="$(_JavaJcwSourcesDir).stamp" AlwaysCreate="True" />
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</Target>
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<Target Name="_JavaCollectGeneratdJcwSource">
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<ItemGroup>
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<_JavaGeneratedJcwSource Include="$(_JavaJcwSourcesDir)**\*.java" />
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</ItemGroup>
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</Target>
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<Target Name="_JavaCreateOutputJar"
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DependsOnTargets="_JavaCollectGeneratdJcwSource;_JavaCollectJavacRefs"
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Inputs="@(_JavaGeneratedJcwSource)"
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Outputs="$(JavaOutputJar)">
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<RemoveDir Directories="$(_JavaJcwClassesDir)" />
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<MakeDir Directories="$(_JavaJcwClassesDir)" />
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<PropertyGroup>
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<_ResponseFile>$(_JavaIntermediateDir)r.txt</_ResponseFile>
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<_Classpath>@(_JavacRefsWithForwardSlash, '$(JavaPathSeparator)')</_Classpath>
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</PropertyGroup>
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<ItemGroup>
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<_Source Include="@(JavaCompile->Replace('%5c', '/'))" />
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<_Source Include="@(_JavaGeneratedJcwSource->Replace('%5c', '/'))" />
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</ItemGroup>
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<WriteLinesToFile
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File="$(_JavaIntermediateDir)_java_sources.txt"
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Lines="@(_Source)"
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Overwrite="True"
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/>
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<Exec Command="&quot;$(JavaCPath)&quot; $(_JavacSourceOptions) -d &quot;$(_JavaJcwClassesDir)&quot; -classpath &quot;$(_Classpath)&quot; &quot;@$(_JavaIntermediateDir)_java_sources.txt&quot;" />
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<Delete Files="$(_JavaIntermediateDir)_java_sources.txt" />
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<Exec Command="&quot;$(JarPath)&quot; cf &quot;$(JavaOutputJar)&quot; -C &quot;$(_JavaJcwClassesDir)&quot; ." />
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</Target>
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</Project>

‎tests/Java.Base-Tests/Java.Base-Tests.csproj

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<IsPackable>false</IsPackable>
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</PropertyGroup>
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<Import Project="..\..\build-tools\Java.Interop.Sdk\Sdk\Sdk.props" />
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<Import Project="..\..\TargetFrameworkDependentValues.props" />
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<PropertyGroup>
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<OutputPath>$(TestOutputFullPath)</OutputPath>
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<JavaOutputJar>$(OutputPath)java.base-tests.jar</JavaOutputJar>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\TestJVM\TestJVM.csproj" />
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</ItemGroup>
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<ItemGroup>
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<JavaCompile Include="$(MSBuildThisFileDirectory)java\net\dot\jni\test\HasInterfaceMethodInheritance.java" />
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<JavaCompile Include="$(MSBuildThisFileDirectory)java\net\dot\jni\test\InterfaceMethodInheritance.java" />
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<JavaCompile Include="$(MSBuildThisFileDirectory)java\net\dot\jni\test\PublicInterface.java" />
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<JavaCompile Include="java\**\*.java" Bind="False" />
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</ItemGroup>
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<Import Project="Java.Base-Tests.targets" />
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<Import Project="..\..\build-tools\Java.Interop.Sdk\Sdk\Sdk.targets" />
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</Project>

‎tests/Java.Base-Tests/Java.Base-Tests.targets

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<Project>
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<ItemGroup>
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<_BuildJavaBaseTestsJarInputs Include="$(TargetPath)" />
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<_BuildJavaBaseTestsJarInputs Include="$(MSBuildThisFileFullPath)" />
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<_BuildJavaBaseTestsJarInputs Include="$(MSBuildThisFileFullPath)" />
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<_BuildJavaBaseTestsJarInputs Include="java\**\*.java" />
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</ItemGroup>
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<Target Name="_CreateJavaCallableWrappers"
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Condition=" '$(TargetPath)' != '' "
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AfterTargets="Build"
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Inputs="@(_BuildJavaBaseTestsJarInputs)"
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Outputs="$(IntermediateOutputPath)java\.stamp">
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<RemoveDir Directories="$(IntermediateOutputPath)java" />
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<MakeDir Directories="$(IntermediateOutputPath)java" />
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<ItemGroup>
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<!-- I can't find a good way to trim the trailing `\`, so append with `.` so we can sanely quote for $(_Libpath) -->
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<_RefAsmDirs Include="@(ReferencePathWithRefAssemblies->'%(RootDir)%(Directory).'->Distinct())" />
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</ItemGroup>
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<PropertyGroup>
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<_JcwGen>"$(UtilityOutputFullPath)/jcw-gen.dll"</_JcwGen>
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<_Target>--codegen-target JavaInterop1</_Target>
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<_Output>-o "$(IntermediateOutputPath)/java"</_Output>
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<_Libpath>@(_RefAsmDirs->'-L "%(Identity)"', ' ')</_Libpath>
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</PropertyGroup>
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<Exec Command="$(DotnetToolPath) $(_JcwGen) -v &quot;$(TargetPath)&quot; $(_Target) $(_Output) $(_Libpath)" />
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<Touch Files="$(IntermediateOutputPath)java\.stamp" AlwaysCreate="True" />
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</Target>
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<ItemGroup>
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<_JcwSource Include="$(IntermediateOutputPath)java\**\*.java;java\**\*.java" />
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</ItemGroup>
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<Target Name="_BuildJavaBaseTestsJar"
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Condition=" '$(TargetPath)' != '' "
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AfterTargets="_CreateJavaCallableWrappers"
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Inputs="$(IntermediateOutputPath)java\.stamp;@(_JcwSource)"
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Outputs="$(OutputPath)java.base-tests.jar">
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<RemoveDir Directories="$(IntermediateOutputPath)classes" />
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<MakeDir Directories="$(IntermediateOutputPath)classes" />
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<ItemGroup>
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<_JcwSourceReal Include="$(IntermediateOutputPath)java\**\*.java;java\**\*.java" />
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</ItemGroup>
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<Exec Command="&quot;$(JavaCPath)&quot; $(_JavacSourceOptions) -d &quot;$(IntermediateOutputPath)classes&quot; -classpath &quot;$(OutputPath)/java-interop.jar&quot; @(_JcwSourceReal->'%(Identity)', ' ')" />
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<Exec Command="&quot;$(JarPath)&quot; cf &quot;$(OutputPath)java.base-tests.jar&quot; -C &quot;$(IntermediateOutputPath)classes&quot; ." />
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</Target>
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</Project>

‎tests/Java.Base-Tests/Java.Base/InterfaceMethodInheritanceTests.cs

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using System;
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using Java.Interop;
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using NUnit.Framework;
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namespace Java.BaseTests {
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[TestFixture]
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public class InterfaceMethodInheritanceTests : JavaVMFixture {
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[Test]
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public void InterfaceMethod ()
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{
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using var iface = global::Net.Dot.Jni.Test.HasInterfaceMethodInheritance.Create ();
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var m = iface!.M ();
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Assert.AreEqual ("HasInterfaceMethodInheritance.m", m);
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var n = iface!.N ();
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Assert.AreEqual ("HasInterfaceMethodInheritance.n", n);
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var o = iface!.O ();
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Assert.AreEqual ("HasInterfaceMethodInheritance.o", o);
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var p = iface!.P ();
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Assert.AreEqual ("HasInterfaceMethodInheritance.p", p);
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}
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}
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}

‎tests/Java.Base-Tests/java/net/dot/jni/test/HasInterfaceMethodInheritance.java

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package net.dot.jni.test;
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public class HasInterfaceMethodInheritance implements InterfaceMethodInheritance {
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private HasInterfaceMethodInheritance() {
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}
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public static InterfaceMethodInheritance create() {
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return new HasInterfaceMethodInheritance();
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}
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public String m() {
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return "HasInterfaceMethodInheritance.m";
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}
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public String n() {
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return "HasInterfaceMethodInheritance.n";
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}
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public String o() {
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return "HasInterfaceMethodInheritance.o";
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}
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public String p() {
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return "HasInterfaceMethodInheritance.p";
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}
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}

‎tests/Java.Base-Tests/java/net/dot/jni/test/InterfaceMethodInheritance.java

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package net.dot.jni.test;
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/* package */ interface BaseInterface {
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String m();
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}
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public interface InterfaceMethodInheritance extends BaseInterface, PublicInterface {
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String n();
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}

‎tests/Java.Base-Tests/java/net/dot/jni/test/PublicInterface.java

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package net.dot.jni.test;
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/* package */ interface InternalInterface {
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String o();
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}
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public interface PublicInterface extends InternalInterface {
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String p();
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}

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