diff options
| -rw-r--r-- | src/nvim/lua/executor.c | 2 | ||||
| -rw-r--r-- | test/functional/lua/overrides_spec.lua | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/src/nvim/lua/executor.c b/src/nvim/lua/executor.c index 9ec5bfb8ad..eb821f7831 100644 --- a/src/nvim/lua/executor.c +++ b/src/nvim/lua/executor.c @@ -519,7 +519,7 @@ static int nlua_print(lua_State *const lstate) } msg((char_u *)str + start); } - if (str[len - 1] == NUL) { // Last was newline + if (len && str[len - 1] == NUL) { // Last was newline msg((char_u *)""); } } diff --git a/test/functional/lua/overrides_spec.lua b/test/functional/lua/overrides_spec.lua index 6e1d50071d..8ca5fe57ba 100644 --- a/test/functional/lua/overrides_spec.lua +++ b/test/functional/lua/overrides_spec.lua @@ -69,6 +69,13 @@ describe('print', function() eq('\nT^@', redir_exec([[lua print("T\0")]])) eq('\nT\n', redir_exec([[lua print("T\n")]])) end) + it('prints empty strings correctly', function() + -- Regression: first test used to crash + eq('', redir_exec('lua print("")')) + eq('\n def', redir_exec('lua print("", "def")')) + eq('\nabc ', redir_exec('lua print("abc", "")')) + eq('\nabc def', redir_exec('lua print("abc", "", "def")')) + end) end) describe('debug.debug', function() |