patch 8.1.1045: E315 ml_get error when using Python and hidden buffer
Problem: E315 ml_get error when using Python and hidden buffer.
Solution: Make sure the cursor position is valid. (Ben Jackson,
closes #4153, closes #4154)
diff --git a/src/testdir/test_python2.vim b/src/testdir/test_python2.vim
index 43c89c9..97b44f2 100644
--- a/src/testdir/test_python2.vim
+++ b/src/testdir/test_python2.vim
@@ -71,3 +71,87 @@
endif
call assert_equal(0, &pyxversion) " This assertion would have failed with Vim 8.0.0251. (pyxversion was introduced in 8.0.0251.)
endfunc
+
+func _SetUpHiddenBuffer()
+ py import vim
+ new
+ edit hidden
+ setlocal bufhidden=hide
+
+ enew
+ let lnum = 0
+ while lnum < 10
+ call append( 1, string( lnum ) )
+ let lnum = lnum + 1
+ endwhile
+ normal G
+
+ call assert_equal( line( '.' ), 11 )
+endfunc
+
+func Test_Write_To_HiddenBuffer_Does_Not_Fix_Cursor_Clear()
+ call _SetUpHiddenBuffer()
+ py vim.buffers[ int( vim.eval( 'bufnr("hidden")' ) ) ][:] = None
+ call assert_equal( line( '.' ), 11 )
+ bwipe!
+endfunc
+
+func Test_Write_To_HiddenBuffer_Does_Not_Fix_Cursor_List()
+ call _SetUpHiddenBuffer()
+ py vim.buffers[ int( vim.eval( 'bufnr("hidden")' ) ) ][:] = [ 'test' ]
+ call assert_equal( line( '.' ), 11 )
+ bwipe!
+endfunc
+
+func Test_Write_To_HiddenBuffer_Does_Not_Fix_Cursor_Str()
+ call _SetUpHiddenBuffer()
+ py vim.buffers[ int( vim.eval( 'bufnr("hidden")' ) ) ][0] = 'test'
+ call assert_equal( line( '.' ), 11 )
+ bwipe!
+endfunc
+
+func Test_Write_To_HiddenBuffer_Does_Not_Fix_Cursor_ClearLine()
+ call _SetUpHiddenBuffer()
+ py vim.buffers[ int( vim.eval( 'bufnr("hidden")' ) ) ][0] = None
+ call assert_equal( line( '.' ), 11 )
+ bwipe!
+endfunc
+
+func _SetUpVisibleBuffer()
+ py import vim
+ new
+ let lnum = 0
+ while lnum < 10
+ call append( 1, string( lnum ) )
+ let lnum = lnum + 1
+ endwhile
+ normal G
+ call assert_equal( line( '.' ), 11 )
+endfunc
+
+func Test_Write_To_Current_Buffer_Fixes_Cursor_Clear()
+ call _SetUpVisibleBuffer()
+
+ py vim.current.buffer[:] = None
+ call assert_equal( line( '.' ), 1 )
+
+ bwipe!
+endfunc
+
+func Test_Write_To_Current_Buffer_Fixes_Cursor_List()
+ call _SetUpVisibleBuffer()
+
+ py vim.current.buffer[:] = [ 'test' ]
+ call assert_equal( line( '.' ), 1 )
+
+ bwipe!
+endfunction
+
+func Test_Write_To_Current_Buffer_Fixes_Cursor_Str()
+ call _SetUpVisibleBuffer()
+
+ py vim.current.buffer[-1] = None
+ call assert_equal( line( '.' ), 10 )
+
+ bwipe!
+endfunction
diff --git a/src/testdir/test_python3.vim b/src/testdir/test_python3.vim
index 272ff9e..bc05f68 100644
--- a/src/testdir/test_python3.vim
+++ b/src/testdir/test_python3.vim
@@ -71,3 +71,87 @@
endif
call assert_equal(0, &pyxversion) " This assertion would have failed with Vim 8.0.0251. (pyxversion was introduced in 8.0.0251.)
endfunc
+
+func _SetUpHiddenBuffer()
+ py3 import vim
+ new
+ edit hidden
+ setlocal bufhidden=hide
+
+ enew
+ let lnum = 0
+ while lnum < 10
+ call append( 1, string( lnum ) )
+ let lnum = lnum + 1
+ endwhile
+ normal G
+
+ call assert_equal( line( '.' ), 11 )
+endfunc
+
+func Test_Write_To_HiddenBuffer_Does_Not_Fix_Cursor_Clear()
+ call _SetUpHiddenBuffer()
+ py3 vim.buffers[ int( vim.eval( 'bufnr("hidden")' ) ) ][:] = None
+ call assert_equal( line( '.' ), 11 )
+ bwipe!
+endfunc
+
+func Test_Write_To_HiddenBuffer_Does_Not_Fix_Cursor_List()
+ call _SetUpHiddenBuffer()
+ py3 vim.buffers[ int( vim.eval( 'bufnr("hidden")' ) ) ][:] = [ 'test' ]
+ call assert_equal( line( '.' ), 11 )
+ bwipe!
+endfunc
+
+func Test_Write_To_HiddenBuffer_Does_Not_Fix_Cursor_Str()
+ call _SetUpHiddenBuffer()
+ py3 vim.buffers[ int( vim.eval( 'bufnr("hidden")' ) ) ][0] = 'test'
+ call assert_equal( line( '.' ), 11 )
+ bwipe!
+endfunc
+
+func Test_Write_To_HiddenBuffer_Does_Not_Fix_Cursor_ClearLine()
+ call _SetUpHiddenBuffer()
+ py3 vim.buffers[ int( vim.eval( 'bufnr("hidden")' ) ) ][0] = None
+ call assert_equal( line( '.' ), 11 )
+ bwipe!
+endfunc
+
+func _SetUpVisibleBuffer()
+ py3 import vim
+ new
+ let lnum = 0
+ while lnum < 10
+ call append( 1, string( lnum ) )
+ let lnum = lnum + 1
+ endwhile
+ normal G
+ call assert_equal( line( '.' ), 11 )
+endfunc
+
+func Test_Write_To_Current_Buffer_Fixes_Cursor_Clear()
+ call _SetUpVisibleBuffer()
+
+ py3 vim.current.buffer[:] = None
+ call assert_equal( line( '.' ), 1 )
+
+ bwipe!
+endfunc
+
+func Test_Write_To_Current_Buffer_Fixes_Cursor_List()
+ call _SetUpVisibleBuffer()
+
+ py3 vim.current.buffer[:] = [ 'test' ]
+ call assert_equal( line( '.' ), 1 )
+
+ bwipe!
+endfunction
+
+func Test_Write_To_Current_Buffer_Fixes_Cursor_Str()
+ call _SetUpVisibleBuffer()
+
+ py3 vim.current.buffer[-1] = None
+ call assert_equal( line( '.' ), 10 )
+
+ bwipe!
+endfunction