+ $out = '';
+ ok(run_script([qw(lei daemon-env -0)], undef, $opt), 'show env');
+ is($err, '', 'no errors in env dump');
+ my @env = split(/\0/, $out);
+ is(scalar grep(/\AHOME=\Q$home\E\z/, @env), 1, 'env has HOME');
+ is(scalar grep(/\AFOO=BAR\z/, @env), 1, 'env has FOO=BAR');
+ is(scalar grep(/\AXDG_RUNTIME_DIR=/, @env), 1, 'has XDG_RUNTIME_DIR');
+
+ $out = '';
+ ok(run_script([qw(lei daemon-env -u FOO)], undef, $opt), 'unset');
+ is($out.$err, '', 'no output for unset');
+ ok(run_script([qw(lei daemon-env -0)], undef, $opt), 'show again');
+ is($err, '', 'no errors in env dump');
+ @env = split(/\0/, $out);
+ is(scalar grep(/\AFOO=BAR\z/, @env), 0, 'env unset FOO');
+
+ $out = '';
+ ok(run_script([qw(lei daemon-env -u FOO -u HOME -u XDG_RUNTIME_DIR)],
+ undef, $opt), 'unset multiple');
+ is($out.$err, '', 'no errors output for unset');
+ ok(run_script([qw(lei daemon-env -0)], undef, $opt), 'show again');
+ is($err, '', 'no errors in env dump');
+ @env = split(/\0/, $out);
+ is(scalar grep(/\A(?:HOME|XDG_RUNTIME_DIR)=\z/, @env), 0, 'env unset@');
+ $out = '';
+ ok(run_script([qw(lei daemon-env -)], undef, $opt), 'clear env');
+ is($out.$err, '', 'no output');
+ ok(run_script([qw(lei daemon-env)], undef, $opt), 'env is empty');
+ is($out, '', 'env cleared');
+