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/*
* Copyright (c) 2026 [Ribose Inc](https://www.ribose.com).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "../rnp_tests.h"
#include "../support.h"
/* Issue #2469: draining a memory output that has written zero bytes must
* succeed with an empty (NULL, 0) buffer instead of failing with
* RNP_ERROR_BAD_PARAMETERS. */
TEST_F(rnp_tests, test_ffi_output_memory_get_buf_empty)
{
rnp_output_t output = NULL;
assert_rnp_success(rnp_output_to_memory(&output, 0));
uint8_t *buf = (uint8_t *) 0x1; /* sentinel, must be overwritten */
size_t len = 123; /* sentinel, must be overwritten */
assert_rnp_success(rnp_output_memory_get_buf(output, &buf, &len, false));
assert_int_equal(len, 0);
assert_null(buf);
rnp_output_destroy(output);
/* do_copy=true on an empty output: success without allocating */
assert_rnp_success(rnp_output_to_memory(&output, 0));
buf = (uint8_t *) 0x1;
len = 123;
assert_rnp_success(rnp_output_memory_get_buf(output, &buf, &len, true));
assert_int_equal(len, 0);
assert_null(buf);
rnp_output_destroy(output);
/* a non-memory output must still be rejected */
assert_rnp_success(rnp_output_to_null(&output));
assert_rnp_failure(rnp_output_memory_get_buf(output, &buf, &len, false));
rnp_output_destroy(output);
}