api: Establish API naming convention. (#5344)

old name:                   new name:
  --------------------------------------------------
  nvim_name_to_color          nvim_get_color_by_name
  nvim_get_current_buffer     nvim_get_current_buf
  nvim_get_current_window     nvim_get_current_win
  nvim_get_buffers            nvim_list_bufs
  nvim_get_tabpages           nvim_list_tabpages
  nvim_get_windows            nvim_list_wins
  nvim_set_current_buffer     nvim_set_current_buf
  nvim_set_current_window     nvim_set_current_win
  nvim_change_directory       nvim_set_current_dir
  nvim_tabpage_get_window     nvim_tabpage_get_win
  nvim_tabpage_get_windows    nvim_tabpage_list_wins
  nvim_win_get_buffer         nvim_win_get_buf
  nvim_report_error           nvim_err_writeln

Helped-by: Björn Linse <bjorn.linse@gmail.com>
Helped-by: ZyX <kp-pav@yandex.ru>
Helped-by: James McCoy <jamessan@jamessan.com>

1 files changed, 9 insertions, 9 deletions

diff --git a/test/functional/eval/api_functions_spec.lua b/test/functional/eval/api_functions_spec.lua
index d88f6977f1..2ef67e7808 100644
--- a/test/functional/eval/api_functions_spec.lua
+++ b/test/functional/eval/api_functions_spec.lua
@@ -13,7 +13,7 @@ describe('api functions', function()
     execute("call nvim_command('let g:test = 1')")
     eq(1, eval("nvim_get_var('test')"))
 
-    local buf = eval("nvim_get_current_buffer()")
+    local buf = eval("nvim_get_current_buf()")
     execute("call nvim_buf_set_lines("..buf..", 0, -1, v:true, ['aa', 'bb'])")
     expect([[
       aa
@@ -27,8 +27,8 @@ describe('api functions', function()
   end)
 
   it("throw errors for invalid arguments", function()
-    local err = exc_exec('call nvim_get_current_buffer("foo")')
-    eq('Vim(call):E118: Too many arguments for function: nvim_get_current_buffer', err)
+    local err = exc_exec('call nvim_get_current_buf("foo")')
+    eq('Vim(call):E118: Too many arguments for function: nvim_get_current_buf', err)
 
     err = exc_exec('call nvim_set_option("hlsearch")')
     eq('Vim(call):E119: Not enough arguments for function: nvim_set_option', err)
@@ -51,17 +51,17 @@ describe('api functions', function()
     local screen = Screen.new(40, 8)
     screen:attach()
     local bnr = eval("bufnr('')")
-    local bhnd = eval("nvim_get_current_buffer()")
+    local bhnd = eval("nvim_get_current_buf()")
     local wid = eval("win_getid()")
-    local whnd = eval("nvim_get_current_window()")
+    local whnd = eval("nvim_get_current_win()")
     eq(bnr, bhnd)
     eq(wid, whnd)
 
     execute("new") -- creates new buffer and new window
     local bnr2 = eval("bufnr('')")
-    local bhnd2 = eval("nvim_get_current_buffer()")
+    local bhnd2 = eval("nvim_get_current_buf()")
     local wid2 = eval("win_getid()")
-    local whnd2 = eval("nvim_get_current_window()")
+    local whnd2 = eval("nvim_get_current_win()")
     eq(bnr2, bhnd2)
     eq(wid2, whnd2)
     neq(bnr, bnr2)
@@ -70,11 +70,11 @@ describe('api functions', function()
     eq(bnr2, eval("nvim_buf_get_number(0)"))
 
     execute("bn") -- show old buffer in new window
-    eq(bnr, eval("nvim_get_current_buffer()"))
+    eq(bnr, eval("nvim_get_current_buf()"))
     eq(bnr, eval("bufnr('')"))
     eq(bnr, eval("nvim_buf_get_number(0)"))
     eq(wid2, eval("win_getid()"))
-    eq(whnd2, eval("nvim_get_current_window()"))
+    eq(whnd2, eval("nvim_get_current_win()"))
   end)
 
   it("get_lines and set_lines use NL to represent NUL", function()