Merge remote-tracking branch 'upstream/master' into aucmd_textputpostaucmd_textputpost

1 files changed, 175 insertions, 0 deletions

diff --git a/test/benchmark/autocmd_spec.lua b/test/benchmark/autocmd_spec.lua
new file mode 100644
index 0000000000..cd1af23640
--- /dev/null
+++ b/test/benchmark/autocmd_spec.lua
@@ -0,0 +1,175 @@
+local helpers = require('test.functional.helpers')(after_each)
+
+local clear = helpers.clear
+local exec_lua = helpers.exec_lua
+
+local N = 7500
+
+describe('autocmd perf', function()
+  before_each(function()
+    clear()
+
+    exec_lua([[
+      out = {}
+      function start()
+        ts = vim.uv.hrtime()
+      end
+      function stop(name)
+        out[#out+1] = ('%14.6f ms - %s'):format((vim.uv.hrtime() - ts) / 1000000, name)
+      end
+    ]])
+  end)
+
+  after_each(function()
+    for _, line in ipairs(exec_lua([[return out]])) do
+      print(line)
+    end
+  end)
+
+  it('nvim_create_autocmd, nvim_del_autocmd (same pattern)', function()
+    exec_lua([[
+      local N = ...
+      local ids = {}
+
+      start()
+        for i = 1, N do
+          ids[i] = vim.api.nvim_create_autocmd('User', {
+            pattern = 'Benchmark',
+            command = 'eval 0', -- noop
+          })
+        end
+      stop('nvim_create_autocmd')
+
+      start()
+        for i = 1, N do
+          vim.api.nvim_del_autocmd(ids[i])
+        end
+      stop('nvim_del_autocmd')
+    ]], N)
+  end)
+
+  it('nvim_create_autocmd, nvim_del_autocmd (unique patterns)', function()
+    exec_lua([[
+      local N = ...
+      local ids = {}
+
+      start()
+        for i = 1, N do
+          ids[i] = vim.api.nvim_create_autocmd('User', {
+            pattern = 'Benchmark' .. i,
+            command = 'eval 0', -- noop
+          })
+        end
+      stop('nvim_create_autocmd')
+
+      start()
+        for i = 1, N do
+          vim.api.nvim_del_autocmd(ids[i])
+        end
+      stop('nvim_del_autocmd')
+    ]], N)
+  end)
+
+  it('nvim_create_autocmd + nvim_del_autocmd', function()
+    exec_lua([[
+      local N = ...
+
+      start()
+        for _ = 1, N do
+          local id = vim.api.nvim_create_autocmd('User', {
+            pattern = 'Benchmark',
+            command = 'eval 0', -- noop
+          })
+          vim.api.nvim_del_autocmd(id)
+        end
+      stop('nvim_create_autocmd + nvim_del_autocmd')
+    ]], N)
+  end)
+
+  it('nvim_exec_autocmds (same pattern)', function()
+    exec_lua([[
+      local N = ...
+
+      for i = 1, N do
+        vim.api.nvim_create_autocmd('User', {
+          pattern = 'Benchmark',
+          command = 'eval 0', -- noop
+        })
+      end
+
+      start()
+        vim.api.nvim_exec_autocmds('User', { pattern = 'Benchmark', modeline = false })
+      stop('nvim_exec_autocmds')
+    ]], N)
+  end)
+
+  it('nvim_del_augroup_by_id', function()
+    exec_lua([[
+      local N = ...
+      local group = vim.api.nvim_create_augroup('Benchmark', {})
+
+      for i = 1, N do
+        vim.api.nvim_create_autocmd('User', {
+          pattern = 'Benchmark',
+          command = 'eval 0', -- noop
+          group = group,
+        })
+      end
+
+      start()
+        vim.api.nvim_del_augroup_by_id(group)
+      stop('nvim_del_augroup_by_id')
+    ]], N)
+  end)
+
+  it('nvim_del_augroup_by_name', function()
+    exec_lua([[
+      local N = ...
+      local group = vim.api.nvim_create_augroup('Benchmark', {})
+
+      for i = 1, N do
+        vim.api.nvim_create_autocmd('User', {
+          pattern = 'Benchmark',
+          command = 'eval 0', -- noop
+          group = group,
+        })
+      end
+
+      start()
+        vim.api.nvim_del_augroup_by_name('Benchmark')
+      stop('nvim_del_augroup_by_id')
+    ]], N)
+  end)
+
+  it(':autocmd, :autocmd! (same pattern)', function()
+    exec_lua([[
+      local N = ...
+
+      start()
+        for i = 1, N do
+          vim.cmd('autocmd User Benchmark eval 0')
+        end
+      stop(':autocmd')
+
+      start()
+        vim.cmd('autocmd! User Benchmark')
+      stop(':autocmd!')
+    ]], N)
+  end)
+
+  it(':autocmd, :autocmd! (unique patterns)', function()
+    exec_lua([[
+      local N = ...
+
+      start()
+        for i = 1, N do
+          vim.cmd(('autocmd User Benchmark%d eval 0'):format(i))
+        end
+      stop(':autocmd')
+
+      start()
+        vim.cmd('autocmd! User')
+      stop(':autocmd!')
+    ]], N)
+  end)
+end)