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rvalue reference outputs

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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
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Examples/test-suite/octave/cpp11_rvalue_reference_move_runme.m Normal file
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# do not dump Octave core
if exist("crash_dumps_octave_core", "builtin")
crash_dumps_octave_core(0);
endif
cpp11_rvalue_reference_move
# Function containing rvalue reference parameter
Counter.reset_counts();
mo = MovableCopyable(222);
Counter.check_counts(1, 0, 0, 0, 0, 0);
MovableCopyable.movein(mo);
Counter.check_counts(1, 0, 0, 1, 0, 2);
if (!MovableCopyable_is_nullptr(mo))
error("is_nullptr failed");
endif
clear mo;
Counter.check_counts(1, 0, 0, 1, 0, 2);
# Move constructor test
Counter.reset_counts();
mo = MovableCopyable(222);
Counter.check_counts(1, 0, 0, 0, 0, 0);
mo_moved = MovableCopyable(mo);
Counter.check_counts(1, 0, 0, 1, 0, 1);
if (!MovableCopyable_is_nullptr(mo))
error("is_nullptr failed");
endif
clear mo;
Counter.check_counts(1, 0, 0, 1, 0, 1);
clear mo_moved;
Counter.check_counts(1, 0, 0, 1, 0, 2);
# Move assignment operator test
Counter.reset_counts();
mo111 = MovableCopyable(111);
mo222 = MovableCopyable(222);
Counter.check_counts(2, 0, 0, 0, 0, 0);
mo111.MoveAssign(mo222);
Counter.check_counts(2, 0, 0, 0, 1, 1);
if (!MovableCopyable_is_nullptr(mo222))
error("is_nullptr failed");
endif
clear mo222;
Counter.check_counts(2, 0, 0, 0, 1, 1);
clear mo111;
Counter.check_counts(2, 0, 0, 0, 1, 2);
# null check
null = []; # NULL pointer
Counter.reset_counts();
exception_thrown = false;
try
MovableCopyable.movein(null);
catch e
if (isempty(strfind(e.message, "invalid null reference")))
error("incorrect exception message: %s", e.message)
endif
exception_thrown = true;
end_try_catch
if (!exception_thrown)
error("Should have thrown null error");
endif
Counter.check_counts(0, 0, 0, 0, 0, 0);
# output
Counter.reset_counts();
mc = MovableCopyable.moveout(1234);
Counter.check_counts(2, 0, 0, 0, 1, 1);
MovableCopyable.check_numbers_match(mc, 1234);
exception_thrown = false;
try
MovableCopyable.movein(mc);
catch e
if (isempty(strfind(e.message, "cannot release ownership as memory is not owned")))
error("incorrect exception message: %s", e.message)
endif
exception_thrown = true;
end_try_catch
if (!exception_thrown)
error("Should have thrown 'Cannot release ownership as memory is not owned' error");
endif
Counter.check_counts(2, 0, 0, 0, 1, 1);