1 files changed, 71 insertions, 0 deletions
diff --git a/test/unit/keymap_spec.lua b/test/unit/keymap_spec.lua
new file mode 100644
index 0000000000..595a19eb17
--- /dev/null
+++ b/test/unit/keymap_spec.lua
@@ -0,0 +1,71 @@
+local helpers = require("test.unit.helpers")(after_each)
+local itp = helpers.gen_itp(it)
+
+local ffi     = helpers.ffi
+local eq      = helpers.eq
+local neq     = helpers.neq
+
+local keymap = helpers.cimport("./src/nvim/keymap.h")
+
+describe('keymap.c', function()
+
+  describe('find_special_key()', function()
+    local srcp = ffi.new('const unsigned char *[1]')
+    local modp = ffi.new('int[1]')
+
+    itp('no keycode', function()
+      srcp[0] = 'abc'
+      eq(0, keymap.find_special_key(srcp, 3, modp, false, false, false))
+    end)
+
+    itp('keycode with multiple modifiers', function()
+      srcp[0] = '<C-M-S-A>'
+      neq(0, keymap.find_special_key(srcp, 9, modp, false, false, false))
+      neq(0, modp[0])
+    end)
+
+    itp('case-insensitive', function()
+      -- Compare other capitalizations to this.
+      srcp[0] = '<C-A>'
+      local all_caps_key =
+          keymap.find_special_key(srcp, 5, modp, false, false, false)
+      local all_caps_mod = modp[0]
+
+      srcp[0] = '<C-a>'
+      eq(all_caps_key,
+         keymap.find_special_key(srcp, 5, modp, false, false, false))
+      eq(all_caps_mod, modp[0])
+
+      srcp[0] = '<c-A>'
+      eq(all_caps_key,
+         keymap.find_special_key(srcp, 5, modp, false, false, false))
+      eq(all_caps_mod, modp[0])
+
+      srcp[0] = '<c-a>'
+      eq(all_caps_key,
+         keymap.find_special_key(srcp, 5, modp, false, false, false))
+      eq(all_caps_mod, modp[0])
+    end)
+
+    itp('double-quote in keycode #7411', function()
+      -- Unescaped with in_string=false
+      srcp[0] = '<C-">'
+      eq(string.byte('"'),
+         keymap.find_special_key(srcp, 5, modp, false, false, false))
+
+      -- Unescaped with in_string=true
+      eq(0, keymap.find_special_key(srcp, 5, modp, false, false, true))
+
+      -- Escaped with in_string=false
+      srcp[0] = '<C-\\">'
+      -- Should fail because the key is invalid
+      -- (more than 1 non-modifier character).
+      eq(0, keymap.find_special_key(srcp, 6, modp, false, false, false))
+
+      -- Escaped with in_string=true
+      eq(string.byte('"'),
+         keymap.find_special_key(srcp, 6, modp, false, false, true))
+    end)
+  end)
+
+end)