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-rw-r--r--test/functional/lua/utility_functions_spec.lua108
1 files changed, 108 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..d5756e134d
--- /dev/null
+++ b/test/functional/lua/utility_functions_spec.lua
@@ -0,0 +1,108 @@
+-- Test suite for testing interactions with API bindings
+local helpers = require('test.functional.helpers')(after_each)
+
+local funcs = helpers.funcs
+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)