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-rw-r--r--test/functional/lua/utility_functions_spec.lua207
1 files changed, 207 insertions, 0 deletions
diff --git a/test/functional/lua/utility_functions_spec.lua b/test/functional/lua/utility_functions_spec.lua
new file mode 100644
index 0000000000..67f5ce24f7
--- /dev/null
+++ b/test/functional/lua/utility_functions_spec.lua
@@ -0,0 +1,207 @@
+-- Test suite for testing interactions with API bindings
+local helpers = require('test.functional.helpers')(after_each)
+
+local funcs = helpers.funcs
+local meths = helpers.meths
+local clear = helpers.clear
+local eq = helpers.eq
+
+before_each(clear)
+
+describe('vim.stricmp', function()
+ -- İ: `tolower("İ")` is `i` which has length 1 while `İ` itself has
+ -- length 2 (in bytes).
+ -- Ⱥ: `tolower("Ⱥ")` is `ⱥ` which has length 2 while `Ⱥ` itself has
+ -- length 3 (in bytes).
+ --
+ -- Note: 'i' !=? 'İ' and 'ⱥ' !=? 'Ⱥ' on some systems.
+ -- Note: Built-in Nvim comparison (on systems lacking `strcasecmp`) works
+ -- only on ASCII characters.
+ it('works', function()
+ eq(0, funcs.luaeval('vim.stricmp("a", "A")'))
+ eq(0, funcs.luaeval('vim.stricmp("A", "a")'))
+ eq(0, funcs.luaeval('vim.stricmp("a", "a")'))
+ eq(0, funcs.luaeval('vim.stricmp("A", "A")'))
+
+ eq(0, funcs.luaeval('vim.stricmp("", "")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0", "\\0")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0\\0", "\\0\\0")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0\\0\\0", "\\0\\0\\0")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0\\0\\0A", "\\0\\0\\0a")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0\\0\\0a", "\\0\\0\\0A")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0\\0\\0a", "\\0\\0\\0a")'))
+
+ eq(0, funcs.luaeval('vim.stricmp("a\\0", "A\\0")'))
+ eq(0, funcs.luaeval('vim.stricmp("A\\0", "a\\0")'))
+ eq(0, funcs.luaeval('vim.stricmp("a\\0", "a\\0")'))
+ eq(0, funcs.luaeval('vim.stricmp("A\\0", "A\\0")'))
+
+ eq(0, funcs.luaeval('vim.stricmp("\\0a", "\\0A")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0A", "\\0a")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0a", "\\0a")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0A", "\\0A")'))
+
+ eq(0, funcs.luaeval('vim.stricmp("\\0a\\0", "\\0A\\0")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0A\\0", "\\0a\\0")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0a\\0", "\\0a\\0")'))
+ eq(0, funcs.luaeval('vim.stricmp("\\0A\\0", "\\0A\\0")'))
+
+ eq(-1, funcs.luaeval('vim.stricmp("a", "B")'))
+ eq(-1, funcs.luaeval('vim.stricmp("A", "b")'))
+ eq(-1, funcs.luaeval('vim.stricmp("a", "b")'))
+ eq(-1, funcs.luaeval('vim.stricmp("A", "B")'))
+
+ eq(-1, funcs.luaeval('vim.stricmp("", "\\0")'))
+ eq(-1, funcs.luaeval('vim.stricmp("\\0", "\\0\\0")'))
+ eq(-1, funcs.luaeval('vim.stricmp("\\0\\0", "\\0\\0\\0")'))
+ eq(-1, funcs.luaeval('vim.stricmp("\\0\\0\\0A", "\\0\\0\\0b")'))
+ eq(-1, funcs.luaeval('vim.stricmp("\\0\\0\\0a", "\\0\\0\\0B")'))
+ eq(-1, funcs.luaeval('vim.stricmp("\\0\\0\\0a", "\\0\\0\\0b")'))
+
+ eq(-1, funcs.luaeval('vim.stricmp("a\\0", "B\\0")'))
+ eq(-1, funcs.luaeval('vim.stricmp("A\\0", "b\\0")'))
+ eq(-1, funcs.luaeval('vim.stricmp("a\\0", "b\\0")'))
+ eq(-1, funcs.luaeval('vim.stricmp("A\\0", "B\\0")'))
+
+ eq(-1, funcs.luaeval('vim.stricmp("\\0a", "\\0B")'))
+ eq(-1, funcs.luaeval('vim.stricmp("\\0A", "\\0b")'))
+ eq(-1, funcs.luaeval('vim.stricmp("\\0a", "\\0b")'))
+ eq(-1, funcs.luaeval('vim.stricmp("\\0A", "\\0B")'))
+
+ eq(-1, funcs.luaeval('vim.stricmp("\\0a\\0", "\\0B\\0")'))
+ eq(-1, funcs.luaeval('vim.stricmp("\\0A\\0", "\\0b\\0")'))
+ eq(-1, funcs.luaeval('vim.stricmp("\\0a\\0", "\\0b\\0")'))
+ eq(-1, funcs.luaeval('vim.stricmp("\\0A\\0", "\\0B\\0")'))
+
+ eq(1, funcs.luaeval('vim.stricmp("c", "B")'))
+ eq(1, funcs.luaeval('vim.stricmp("C", "b")'))
+ eq(1, funcs.luaeval('vim.stricmp("c", "b")'))
+ eq(1, funcs.luaeval('vim.stricmp("C", "B")'))
+
+ eq(1, funcs.luaeval('vim.stricmp("\\0", "")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0\\0", "\\0")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0\\0\\0", "\\0\\0")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0\\0\\0\\0", "\\0\\0\\0")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0\\0\\0C", "\\0\\0\\0b")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0\\0\\0c", "\\0\\0\\0B")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0\\0\\0c", "\\0\\0\\0b")'))
+
+ eq(1, funcs.luaeval('vim.stricmp("c\\0", "B\\0")'))
+ eq(1, funcs.luaeval('vim.stricmp("C\\0", "b\\0")'))
+ eq(1, funcs.luaeval('vim.stricmp("c\\0", "b\\0")'))
+ eq(1, funcs.luaeval('vim.stricmp("C\\0", "B\\0")'))
+
+ eq(1, funcs.luaeval('vim.stricmp("c\\0", "B")'))
+ eq(1, funcs.luaeval('vim.stricmp("C\\0", "b")'))
+ eq(1, funcs.luaeval('vim.stricmp("c\\0", "b")'))
+ eq(1, funcs.luaeval('vim.stricmp("C\\0", "B")'))
+
+ eq(1, funcs.luaeval('vim.stricmp("\\0c", "\\0B")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0C", "\\0b")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0c", "\\0b")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0C", "\\0B")'))
+
+ eq(1, funcs.luaeval('vim.stricmp("\\0c\\0", "\\0B\\0")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0C\\0", "\\0b\\0")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0c\\0", "\\0b\\0")'))
+ eq(1, funcs.luaeval('vim.stricmp("\\0C\\0", "\\0B\\0")'))
+ end)
+end)
+
+describe("vim.split", function()
+ it("works", function()
+ local split = function(str, sep)
+ return meths.execute_lua('return vim.split(...)', {str, sep})
+ end
+
+ local tests = {
+ { "a,b", ",", false, { 'a', 'b' } },
+ { ":aa::bb:", ":", false, { '', 'aa', '', 'bb', '' } },
+ { "::ee::ff:", ":", false, { '', '', 'ee', '', 'ff', '' } },
+ { "ab", ".", false, { '', '', '' } },
+ { "a1b2c", "[0-9]", false, { 'a', 'b', 'c' } },
+ { "xy", "", false, { 'x', 'y' } },
+ { "here be dragons", " ", false, { "here", "be", "dragons"} },
+ { "axaby", "ab?", false, { '', 'x', 'y' } },
+ { "f v2v v3v w2w ", "([vw])2%1", false, { 'f ', ' v3v ', ' ' } },
+ { "x*yz*oo*l", "*", true, { 'x', 'yz', 'oo', 'l' } },
+ }
+
+ for _, t in ipairs(tests) do
+ eq(t[4], split(t[1], t[2], t[3]))
+ end
+
+ local loops = {
+ { "abc", ".-" },
+ }
+
+ for _, t in ipairs(loops) do
+ local status, err = pcall(split, t[1], t[2])
+ eq(false, status)
+ assert(string.match(err, "Infinite loop detected"))
+ end
+ end)
+end)
+
+describe("vim.trim", function()
+ it('works', function()
+ local trim = function(s)
+ return meths.execute_lua('return vim.trim(...)', { s })
+ end
+
+ local trims = {
+ { " a", "a" },
+ { " b ", "b" },
+ { "\tc" , "c" },
+ { "r\n", "r" },
+ }
+
+ for _, t in ipairs(trims) do
+ assert(t[2], trim(t[1]))
+ end
+
+ local status, err = pcall(trim, 2)
+ eq(false, status)
+ assert(string.match(err, "Only strings can be trimmed"))
+ end)
+end)
+
+describe("vim.inspect", function()
+ it('works', function()
+ -- just make sure it basically works, it has its own test suite
+ local inspect = function(t, opts)
+ return meths.execute_lua('return vim.inspect(...)', { t, opts })
+ end
+
+ eq('2', inspect(2))
+ eq('{+a = {+b = 1+}+}',
+ inspect({ a = { b = 1 } }, { newline = '+', indent = '' }))
+
+ -- special value vim.inspect.KEY works
+ eq('{ KEY_a = "x", KEY_b = "y"}', meths.execute_lua([[
+ return vim.inspect({a="x", b="y"}, {newline = '', process = function(item, path)
+ if path[#path] == vim.inspect.KEY then
+ return 'KEY_'..item
+ end
+ return item
+ end})
+ ]], {}))
+ end)
+end)
+
+describe("vim.deepcopy", function()
+ it("works", function()
+ local is_dc = meths.execute_lua([[
+ local a = { x = { 1, 2 }, y = 5}
+ local b = vim.deepcopy(a)
+
+ local count = 0
+ for _ in pairs(b) do count = count + 1 end
+
+ return b.x[1] == 1 and b.x[2] == 2 and b.y == 5 and count == 2
+ and tostring(a) ~= tostring(b)
+ ]], {})
+
+ assert(is_dc)
+ end)
+end)
generated by cgit (git 2.34.1) at 2025-09-28 11:59:31 +0000