jyapayne/swig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

rvalue reference outputs

Browse source 
Document rvalue reference outputs behaviour
Test rvalue reference outputs
This commit is contained in:
William S Fulton 2022-09-08 08:46:32 +01:00
commit 2212af3f4f
26 changed files with 659 additions and 344 deletions
Download patch file Download diff file Expand all files Collapse all files

66
Examples/test-suite/lua/cpp11_rvalue_reference_move_runme.lua Normal file
View file

@ -0,0 +1,66 @@
require("import") -- the import fn
import("cpp11_rvalue_reference_move") -- import code
-- catch "undefined" global variables
local env = _ENV -- Lua 5.2
if not env then env = getfenv () end -- Lua 5.1
setmetatable(env, {__index=function (t,i) error("undefined global variable `"..i.."'",2) end})
-- Function containing rvalue reference parameter
cpp11_rvalue_reference_move.Counter.reset_counts()
mo = cpp11_rvalue_reference_move.MovableCopyable(222)
cpp11_rvalue_reference_move.Counter.check_counts(1, 0, 0, 0, 0, 0)
cpp11_rvalue_reference_move.MovableCopyable.movein(mo)
cpp11_rvalue_reference_move.Counter.check_counts(1, 0, 0, 1, 0, 2)
if not (cpp11_rvalue_reference_move.MovableCopyable_is_nullptr(mo)) then
error("is_nullptr failed")
end
mo = nil
cpp11_rvalue_reference_move.Counter.check_counts(1, 0, 0, 1, 0, 2)
-- Move constructor test
cpp11_rvalue_reference_move.Counter.reset_counts()
mo = cpp11_rvalue_reference_move.MovableCopyable(222)
cpp11_rvalue_reference_move.Counter.check_counts(1, 0, 0, 0, 0, 0)
mo_moved = cpp11_rvalue_reference_move.MovableCopyable(mo)
cpp11_rvalue_reference_move.Counter.check_counts(1, 0, 0, 1, 0, 1)
if not (cpp11_rvalue_reference_move.MovableCopyable_is_nullptr(mo)) then
error("is_nullptr failed")
end
mo = nil
cpp11_rvalue_reference_move.Counter.check_counts(1, 0, 0, 1, 0, 1)
mo_moved = nil
collectgarbage() -- gc nudge needed here
cpp11_rvalue_reference_move.Counter.check_counts(1, 0, 0, 1, 0, 2)
-- Move assignment operator test
cpp11_rvalue_reference_move.Counter.reset_counts()
mo111 = cpp11_rvalue_reference_move.MovableCopyable(111)
mo222 = cpp11_rvalue_reference_move.MovableCopyable(222)
cpp11_rvalue_reference_move.Counter.check_counts(2, 0, 0, 0, 0, 0)
mo111:MoveAssign(mo222)
cpp11_rvalue_reference_move.Counter.check_counts(2, 0, 0, 0, 1, 1)
if not (cpp11_rvalue_reference_move.MovableCopyable_is_nullptr(mo222)) then
error("is_nullptr failed")
end
mo222 = nil
cpp11_rvalue_reference_move.Counter.check_counts(2, 0, 0, 0, 1, 1)
mo111 = nil
collectgarbage() -- gc nudge needed here
cpp11_rvalue_reference_move.Counter.check_counts(2, 0, 0, 0, 1, 2)
-- null check
cpp11_rvalue_reference_move.Counter.reset_counts()
s, msg = pcall(function() cpp11_rvalue_reference_move.MovableCopyable.movein(nil) end)
assert(s == false and msg:find("Error in MovableCopyable::movein (arg 1), expected 'MovableCopyable &&' got 'nil'", 1, true))
cpp11_rvalue_reference_move.Counter.check_counts(0, 0, 0, 0, 0, 0)
-- output
cpp11_rvalue_reference_move.Counter.reset_counts()
mc = cpp11_rvalue_reference_move.MovableCopyable.moveout(1234)
cpp11_rvalue_reference_move.Counter.check_counts(2, 0, 0, 0, 1, 1)
cpp11_rvalue_reference_move.MovableCopyable.check_numbers_match(mc, 1234)
s, msg = pcall(function() cpp11_rvalue_reference_move.MovableCopyable.movein(mc) end)
assert(s == false and msg:find("Cannot release ownership as memory is not owned", 1, true))
cpp11_rvalue_reference_move.Counter.check_counts(2, 0, 0, 0, 1, 1)