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-rw-r--r--test/functional/api/buffer_spec.lua10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/functional/api/buffer_spec.lua b/test/functional/api/buffer_spec.lua
index c3002618b0..2e3b570571 100644
--- a/test/functional/api/buffer_spec.lua
+++ b/test/functional/api/buffer_spec.lua
@@ -10,6 +10,7 @@ local insert = helpers.insert
local NIL = helpers.NIL
local meth_pcall = helpers.meth_pcall
local command = helpers.command
+local bufmeths = helpers.bufmeths
describe('api/buf', function()
before_each(clear)
@@ -121,6 +122,15 @@ describe('api/buf', function()
local get_lines, set_lines = curbufmeths.get_lines, curbufmeths.set_lines
local line_count = curbufmeths.line_count
+ it('fails correctly when input is not valid', function()
+ eq(1, curbufmeths.get_number())
+ local err, emsg = pcall(bufmeths.set_lines, 1, 1, 2, false, {'b\na'})
+ eq(false, err)
+ local exp_emsg = 'string cannot contain newlines'
+ -- Expected {filename}:{lnum}: {exp_emsg}
+ eq(': ' .. exp_emsg, emsg:sub(-#exp_emsg - 2))
+ end)
+
it('has correct line_count when inserting and deleting', function()
eq(1, line_count())
set_lines(-1, -1, true, {'line'})