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rvalue reference outputs

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Document rvalue reference outputs behaviour
Test rvalue reference outputs
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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/perl5/cpp11_rvalue_reference_move_runme.pl Normal file
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use strict;
use warnings;
use Test::More tests => 7;
BEGIN { use_ok('cpp11_rvalue_reference_move') }
require_ok('cpp11_rvalue_reference_move');
{
# Function containing rvalue reference parameter
cpp11_rvalue_reference_move::Counter::reset_counts();
my $mo = new cpp11_rvalue_reference_move::MovableCopyable(222);
cpp11_rvalue_reference_move::Counter::check_counts(1, 0, 0, 0, 0, 0);
cpp11_rvalue_reference_move::MovableCopyable::movein($mo);
cpp11_rvalue_reference_move::Counter::check_counts(1, 0, 0, 1, 0, 2);
is(cpp11_rvalue_reference_move::MovableCopyable::is_nullptr($mo), 1, "is_nullptr check");
undef $mo;
cpp11_rvalue_reference_move::Counter::check_counts(1, 0, 0, 1, 0, 2);
}
{
# Move constructor test
cpp11_rvalue_reference_move::Counter::reset_counts();
my $mo = new cpp11_rvalue_reference_move::MovableCopyable(222);
cpp11_rvalue_reference_move::Counter::check_counts(1, 0, 0, 0, 0, 0);
my $mo_moved = new cpp11_rvalue_reference_move::MovableCopyable($mo);
cpp11_rvalue_reference_move::Counter::check_counts(1, 0, 0, 1, 0, 1);
is(cpp11_rvalue_reference_move::MovableCopyable::is_nullptr($mo), 1, "is_nullptr check");
undef $mo;
cpp11_rvalue_reference_move::Counter::check_counts(1, 0, 0, 1, 0, 1);
undef $mo_moved;
cpp11_rvalue_reference_move::Counter::check_counts(1, 0, 0, 1, 0, 2);
}
{
# Move assignment operator test
cpp11_rvalue_reference_move::Counter::reset_counts();
my $mo111 = new cpp11_rvalue_reference_move::MovableCopyable(111);
my $mo222 = new 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);
is(cpp11_rvalue_reference_move::MovableCopyable::is_nullptr($mo222), 1, "is_nullptr check");
undef $mo222;
cpp11_rvalue_reference_move::Counter::check_counts(2, 0, 0, 0, 1, 1);
undef $mo111;
cpp11_rvalue_reference_move::Counter::check_counts(2, 0, 0, 0, 1, 2);
}
{
# null check
cpp11_rvalue_reference_move::Counter::reset_counts();
eval {
cpp11_rvalue_reference_move::MovableCopyable::movein(undef);
};
like($@, qr/\binvalid null reference/, "Should have thrown null error");
cpp11_rvalue_reference_move::Counter::check_counts(0, 0, 0, 0, 0, 0);
}
{
# output
cpp11_rvalue_reference_move::Counter::reset_counts();
my $mc = cpp11_rvalue_reference_move::MovableCopyable::moveout(1234);
cpp11_rvalue_reference_move::Counter::check_counts(2, 0, 0, 0, 1, 1);
cpp11_rvalue_reference_move::MovableCopyable::check_numbers_match($mc, 1234);
eval {
cpp11_rvalue_reference_move::MovableCopyable::movein($mc);
};
like($@, qr/\bcannot release ownership as memory is not owned\b/, "Should have thrown 'Cannot release ownership as memory is not owned' error");
cpp11_rvalue_reference_move::Counter::check_counts(2, 0, 0, 0, 1, 1);
}