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diff --git a/vim/pack/downloads/opt/lsp/test/clangd_offsetencoding.vim b/vim/pack/downloads/opt/lsp/test/clangd_offsetencoding.vim
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+vim9script
+# Unit tests for language server protocol offset encoding using clangd
+
+source common.vim
+
+# Start the C language server.  Returns true on success and false on failure.
+def g:StartLangServer(): bool
+  if has('patch-9.0.1629')
+    return g:StartLangServerWithFile('Xtest.c')
+  endif
+  return false
+enddef
+
+if !has('patch-9.0.1629')
+  # Need patch 9.0.1629 to properly encode/decode the UTF-16 offsets
+  finish
+endif
+
+var lspOpts = {autoComplete: false}
+g:LspOptionsSet(lspOpts)
+
+var lspServers = [{
+      filetype: ['c', 'cpp'],
+      path: (exepath('clangd-15') ?? exepath('clangd')),
+      args: ['--background-index',
+	     '--clang-tidy',
+	     $'--offset-encoding={$LSP_OFFSET_ENCODING}']
+  }]
+call LspAddServer(lspServers)
+
+# Test for :LspCodeAction with symbols containing multibyte and composing
+# characters
+def g:Test_LspCodeAction_multibyte()
+  silent! edit XLspCodeAction_mb.c
+  sleep 200m
+  var lines =<< trim END
+    #include <stdio.h>
+    void fn(int aVar)
+    {
+        printf("aVar = %d\n", aVar);
+        printf("😊😊😊😊 = %d\n", aVar):
+        printf("áb́áb́ = %d\n", aVar):
+        printf("ą́ą́ą́ą́ = %d\n", aVar):
+    }
+  END
+  setline(1, lines)
+  g:WaitForServerFileLoad(3)
+  :redraw!
+  cursor(5, 5)
+  redraw!
+  :LspCodeAction 1
+  assert_equal('    printf("😊😊😊😊 = %d\n", aVar);', getline(5))
+  cursor(6, 5)
+  redraw!
+  :LspCodeAction 1
+  assert_equal('    printf("áb́áb́ = %d\n", aVar);', getline(6))
+  cursor(7, 5)
+  redraw!
+  :LspCodeAction 1
+  assert_equal('    printf("ą́ą́ą́ą́ = %d\n", aVar);', getline(7))
+
+  :%bw!
+enddef
+
+# Test for ":LspDiag show" when using multibyte and composing characters
+def g:Test_LspDiagShow_multibyte()
+  :silent! edit XLspDiagShow_mb.c
+  sleep 200m
+  var lines =<< trim END
+    #include <stdio.h>
+    void fn(int aVar)
+    {
+        printf("aVar = %d\n", aVar);
+        printf("😊😊😊😊 = %d\n". aVar);
+        printf("áb́áb́ = %d\n". aVar);
+        printf("ą́ą́ą́ą́ = %d\n". aVar);
+    }
+  END
+  setline(1, lines)
+  g:WaitForServerFileLoad(3)
+  :redraw!
+  :LspDiag show
+  var qfl: list<dict<any>> = getloclist(0)
+  assert_equal([5, 37], [qfl[0].lnum, qfl[0].col])
+  assert_equal([6, 33], [qfl[1].lnum, qfl[1].col])
+  assert_equal([7, 41], [qfl[2].lnum, qfl[2].col])
+  :lclose
+  :%bw!
+enddef
+
+# Test for :LspFormat when using multibyte and composing characters
+def g:Test_LspFormat_multibyte()
+  :silent! edit XLspFormat_mb.c
+  sleep 200m
+  var lines =<< trim END
+    void fn(int aVar)
+    {
+	int 😊😊😊😊   =   aVar + 1;
+	int áb́áb́   =   aVar + 1;
+	int ą́ą́ą́ą́   =   aVar + 1;
+    }
+  END
+  setline(1, lines)
+  g:WaitForServerFileLoad(0)
+  :redraw!
+  :LspFormat
+  var expected =<< trim END
+    void fn(int aVar) {
+      int 😊😊😊😊 = aVar + 1;
+      int áb́áb́ = aVar + 1;
+      int ą́ą́ą́ą́ = aVar + 1;
+    }
+  END
+  assert_equal(expected, getline(1, '$'))
+  :%bw!
+enddef
+
+# Test for :LspGotoDefinition when using multibyte and composing characters
+def g:Test_LspGotoDefinition_multibyte()
+  :silent! edit XLspGotoDefinition_mb.c
+  sleep 200m
+  var lines: list<string> =<< trim END
+    #include <stdio.h>
+    void fn(int aVar)
+    {
+        printf("aVar = %d\n", aVar);
+        printf("😊😊😊😊 = %d\n", aVar);
+        printf("áb́áb́ = %d\n", aVar);
+        printf("ą́ą́ą́ą́ = %d\n", aVar);
+    }
+  END
+  setline(1, lines)
+  g:WaitForServerFileLoad(0)
+  redraw!
+
+  for [lnum, colnr] in [[4, 27], [5, 39], [6, 35], [7, 43]]
+    cursor(lnum, colnr)
+    :LspGotoDefinition
+    assert_equal([2, 13], [line('.'), col('.')])
+  endfor
+
+  :%bw!
+enddef
+
+# Test for :LspGotoDefinition when using multibyte and composing characters
+def g:Test_LspGotoDefinition_after_multibyte()
+  :silent! edit XLspGotoDef_after_mb.c
+  sleep 200m
+  var lines =<< trim END
+    void fn(int aVar)
+    {
+        /* αβγδ, 😊😊😊😊, áb́áb́, ą́ą́ą́ą́ */ int αβγδ, bVar;
+        /* αβγδ, 😊😊😊😊, áb́áb́, ą́ą́ą́ą́ */ int 😊😊😊😊, cVar;
+        /* αβγδ, 😊😊😊😊, áb́áb́, ą́ą́ą́ą́ */ int áb́áb́, dVar;
+        /* αβγδ, 😊😊😊😊, áb́áb́, ą́ą́ą́ą́ */ int ą́ą́ą́ą́, eVar;
+        bVar = 1;
+        cVar = 2;
+        dVar = 3;
+        eVar = 4;
+	aVar = αβγδ + 😊😊😊😊 + áb́áb́ + ą́ą́ą́ą́ + bVar;
+    }
+  END
+  setline(1, lines)
+  g:WaitForServerFileLoad(0)
+  :redraw!
+  cursor(7, 5)
+  :LspGotoDefinition
+  assert_equal([3, 88], [line('.'), col('.')])
+  cursor(8, 5)
+  :LspGotoDefinition
+  assert_equal([4, 96], [line('.'), col('.')])
+  cursor(9, 5)
+  :LspGotoDefinition
+  assert_equal([5, 92], [line('.'), col('.')])
+  cursor(10, 5)
+  :LspGotoDefinition
+  assert_equal([6, 100], [line('.'), col('.')])
+  cursor(11, 12)
+  :LspGotoDefinition
+  assert_equal([3, 78], [line('.'), col('.')])
+  cursor(11, 23)
+  :LspGotoDefinition
+  assert_equal([4, 78], [line('.'), col('.')])
+  cursor(11, 42)
+  :LspGotoDefinition
+  assert_equal([5, 78], [line('.'), col('.')])
+  cursor(11, 57)
+  :LspGotoDefinition
+  assert_equal([6, 78], [line('.'), col('.')])
+
+  :%bw!
+enddef
+
+# Test for doing omni completion for symbols with multibyte and composing
+# characters
+def g:Test_OmniComplete_multibyte()
+  :silent! edit XOmniComplete_mb.c
+  sleep 200m
+  var lines: list<string> =<< trim END
+    void Func1(void)
+    {
+        int 😊😊😊😊, aVar;
+        int áb́áb́, bVar;
+        int ą́ą́ą́ą́, cVar;
+        
+        
+        
+    }
+  END
+  setline(1, lines)
+  g:WaitForServerFileLoad(0)
+  redraw!
+
+  cursor(6, 4)
+  feedkeys("aaV\<C-X>\<C-O> = 😊😊\<C-X>\<C-O>;", 'xt')
+  assert_equal('    aVar = 😊😊😊😊;', getline('.'))
+  cursor(7, 4)
+  feedkeys("abV\<C-X>\<C-O> = áb́\<C-X>\<C-O>;", 'xt')
+  assert_equal('    bVar = áb́áb́;', getline('.'))
+  cursor(8, 4)
+  feedkeys("acV\<C-X>\<C-O> = ą́ą́\<C-X>\<C-O>;", 'xt')
+  assert_equal('    cVar = ą́ą́ą́ą́;', getline('.'))
+  feedkeys("oáb́\<C-X>\<C-O> = ą́ą́\<C-X>\<C-O>;", 'xt')
+  assert_equal('    áb́áb́ = ą́ą́ą́ą́;', getline('.'))
+  feedkeys("oą́ą́\<C-X>\<C-O> = áb́\<C-X>\<C-O>;", 'xt')
+  assert_equal('    ą́ą́ą́ą́ = áb́áb́;', getline('.'))
+  :%bw!
+enddef
+
+# Test for :LspOutline with multibyte and composing characters
+def g:Test_Outline_multibyte()
+  silent! edit XLspOutline_mb.c
+  sleep 200m
+  var lines: list<string> =<< trim END
+    typedef void 😊😊😊😊;
+    typedef void áb́áb́;
+    typedef void ą́ą́ą́ą́;
+    
+    😊😊😊😊 Func1()
+    {
+    }
+    
+    áb́áb́ Func2()
+    {
+    }
+    
+    ą́ą́ą́ą́ Func3()
+    {
+    }
+  END
+  setline(1, lines)
+  g:WaitForServerFileLoad(0)
+  redraw!
+
+  cursor(1, 1)
+  :LspOutline
+  assert_equal(2, winnr('$'))
+
+  :wincmd w
+  cursor(5, 1)
+  feedkeys("\<CR>", 'xt')
+  assert_equal([2, 5, 18], [winnr(), line('.'), col('.')])
+
+  :wincmd w
+  cursor(6, 1)
+  feedkeys("\<CR>", 'xt')
+  assert_equal([2, 9, 14], [winnr(), line('.'), col('.')])
+
+  :wincmd w
+  cursor(7, 1)
+  feedkeys("\<CR>", 'xt')
+  assert_equal([2, 13, 22], [winnr(), line('.'), col('.')])
+
+  :wincmd w
+  cursor(10, 1)
+  feedkeys("\<CR>", 'xt')
+  assert_equal([2, 1, 14], [winnr(), line('.'), col('.')])
+
+  :wincmd w
+  cursor(11, 1)
+  feedkeys("\<CR>", 'xt')
+  assert_equal([2, 2, 14], [winnr(), line('.'), col('.')])
+
+  :wincmd w
+  cursor(12, 1)
+  feedkeys("\<CR>", 'xt')
+  assert_equal([2, 3, 14], [winnr(), line('.'), col('.')])
+
+  :%bw!
+enddef
+
+# Test for :LspRename with multibyte and composing characters
+def g:Test_LspRename_multibyte()
+  silent! edit XLspRename_mb.c
+  sleep 200m
+  var lines: list<string> =<< trim END
+    #include <stdio.h>
+    void fn(int aVar)
+    {
+        printf("aVar = %d\n", aVar);
+        printf("😊😊😊😊 = %d\n", aVar);
+        printf("áb́áb́ = %d\n", aVar);
+        printf("ą́ą́ą́ą́ = %d\n", aVar);
+    }
+  END
+  setline(1, lines)
+  g:WaitForServerFileLoad(0)
+  redraw!
+  cursor(2, 12)
+  :LspRename bVar
+  redraw!
+  var expected: list<string> =<< trim END
+    #include <stdio.h>
+    void fn(int bVar)
+    {
+        printf("aVar = %d\n", bVar);
+        printf("😊😊😊😊 = %d\n", bVar);
+        printf("áb́áb́ = %d\n", bVar);
+        printf("ą́ą́ą́ą́ = %d\n", bVar);
+    }
+  END
+  assert_equal(expected, getline(1, '$'))
+  :%bw!
+enddef
+
+# Test for :LspShowReferences when using multibyte and composing characters
+def g:Test_LspShowReferences_multibyte()
+  :silent! edit XLspShowReferences_mb.c
+  sleep 200m
+  var lines: list<string> =<< trim END
+    #include <stdio.h>
+    void fn(int aVar)
+    {
+        printf("aVar = %d\n", aVar);
+        printf("😊😊😊😊 = %d\n", aVar);
+        printf("áb́áb́ = %d\n", aVar);
+        printf("ą́ą́ą́ą́ = %d\n", aVar);
+    }
+  END
+  setline(1, lines)
+  g:WaitForServerFileLoad(0)
+  redraw!
+  cursor(4, 27)
+  :LspShowReferences
+  var qfl: list<dict<any>> = getloclist(0)
+  assert_equal([2, 13], [qfl[0].lnum, qfl[0].col])
+  assert_equal([4, 27], [qfl[1].lnum, qfl[1].col])
+  assert_equal([5, 39], [qfl[2].lnum, qfl[2].col])
+  assert_equal([6, 35], [qfl[3].lnum, qfl[3].col])
+  assert_equal([7, 43], [qfl[4].lnum, qfl[4].col])
+  :lclose
+
+  :%bw!
+enddef
+
+# Test for :LspSymbolSearch when using multibyte and composing characters
+def g:Test_LspSymbolSearch_multibyte()
+  silent! edit XLspSymbolSearch_mb.c
+  sleep 200m
+  var lines: list<string> =<< trim END
+    typedef void 😊😊😊😊;
+    typedef void áb́áb́;
+    typedef void ą́ą́ą́ą́;
+
+    😊😊😊😊 Func1()
+    {
+    }
+
+    áb́áb́ Func2()
+    {
+    }
+
+    ą́ą́ą́ą́ Func3()
+    {
+    }
+  END
+  setline(1, lines)
+  g:WaitForServerFileLoad(0)
+
+  cursor(1, 1)
+  feedkeys(":LspSymbolSearch Func1\<CR>", "xt")
+  assert_equal([5, 18], [line('.'), col('.')])
+  cursor(1, 1)
+  feedkeys(":LspSymbolSearch Func2\<CR>", "xt")
+  assert_equal([9, 14], [line('.'), col('.')])
+  cursor(1, 1)
+  feedkeys(":LspSymbolSearch Func3\<CR>", "xt")
+  assert_equal([13, 22], [line('.'), col('.')])
+
+  :%bw!
+enddef
+
+# Test for setting the 'tagfunc' with multibyte and composing characters in
+# symbols
+def g:Test_LspTagFunc_multibyte()
+  var lines =<< trim END
+    void fn(int aVar)
+    {
+        int 😊😊😊😊, bVar;
+        int áb́áb́, cVar;
+        int ą́ą́ą́ą́, dVar;
+        bVar = 10;
+        cVar = 10;
+        dVar = 10;
+    }
+  END
+  writefile(lines, 'Xtagfunc_mb.c')
+  :silent! edit! Xtagfunc_mb.c
+  g:WaitForServerFileLoad(0)
+  :setlocal tagfunc=lsp#lsp#TagFunc
+  cursor(6, 5)
+  :exe "normal \<C-]>"
+  assert_equal([3, 27], [line('.'), col('.')])
+  cursor(7, 5)
+  :exe "normal \<C-]>"
+  assert_equal([4, 23], [line('.'), col('.')])
+  cursor(8, 5)
+  :exe "normal \<C-]>"
+  assert_equal([5, 31], [line('.'), col('.')])
+  :set tagfunc&
+
+  :%bw!
+  delete('Xtagfunc_mb.c')
+enddef
+
+# Test for the :LspSuperTypeHierarchy and :LspSubTypeHierarchy commands with
+# multibyte and composing characters
+def g:Test_LspTypeHier_multibyte()
+  silent! edit XLspTypeHier_mb.cpp
+  sleep 200m
+  var lines =<< trim END
+    /* αβ😊😊ááą́ą́ */ class parent {
+    };
+
+    /* αβ😊😊ááą́ą́ */ class child : public parent {
+    };
+
+    /* αβ😊😊ááą́ą́ */ class grandchild : public child {
+    };
+  END
+  setline(1, lines)
+  g:WaitForServerFileLoad(0)
+  redraw!
+
+  cursor(1, 42)
+  :LspSubTypeHierarchy
+  call feedkeys("\<CR>", 'xt')
+  assert_equal([1, 36], [line('.'), col('.')])
+  cursor(1, 42)
+
+  :LspSubTypeHierarchy
+  call feedkeys("\<Down>\<CR>", 'xt')
+  assert_equal([4, 42], [line('.'), col('.')])
+
+  cursor(1, 42)
+  :LspSubTypeHierarchy
+  call feedkeys("\<Down>\<Down>\<CR>", 'xt')
+  assert_equal([7, 42], [line('.'), col('.')])
+
+  cursor(7, 42)
+  :LspSuperTypeHierarchy
+  call feedkeys("\<CR>", 'xt')
+  assert_equal([7, 36], [line('.'), col('.')])
+
+  cursor(7, 42)
+  :LspSuperTypeHierarchy
+  call feedkeys("\<Down>\<CR>", 'xt')
+  assert_equal([4, 36], [line('.'), col('.')])
+
+  cursor(7, 42)
+  :LspSuperTypeHierarchy
+  call feedkeys("\<Down>\<Down>\<CR>", 'xt')
+  assert_equal([1, 36], [line('.'), col('.')])
+
+  :%bw!
+enddef
+
+# vim: shiftwidth=2 softtabstop=2 noexpandtab