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-rw-r--r--src/lib/crc/tests/CMakeLists.txt21
-rw-r--r--src/lib/crc/tests/crc16_test.c67
-rw-r--r--src/lib/crc/tests/crc32_test.c72
-rw-r--r--src/lib/crc/tests/crc64_test.c126
-rw-r--r--src/lib/crc/tests/crc8_test.c67
5 files changed, 353 insertions, 0 deletions
diff --git a/src/lib/crc/tests/CMakeLists.txt b/src/lib/crc/tests/CMakeLists.txt
new file mode 100644
index 00000000..11daca5a
--- /dev/null
+++ b/src/lib/crc/tests/CMakeLists.txt
@@ -0,0 +1,21 @@
+get_filename_component(PARENT_PATH ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
+get_filename_component(PARENT_DIR ${PARENT_PATH} NAME)
+
+compute_test_prefix()
+
+create_test_sourcelist(${PARENT_DIR}_tests test_suite.c
+ # Add new tests here
+ crc8_test.c
+ crc16_test.c
+ crc32_test.c
+ crc64_test.c
+ )
+
+add_executable(${PARENT_DIR}_test ${${PARENT_DIR}_tests})
+
+disable_test_logging_for_target(${PARENT_DIR}_test)
+target_link_libraries(${PARENT_DIR}_test ouroboros-common)
+
+add_dependencies(build_tests ${PARENT_DIR}_test)
+
+ouroboros_register_tests(TARGET ${PARENT_DIR}_test TESTS ${${PARENT_DIR}_tests})
diff --git a/src/lib/crc/tests/crc16_test.c b/src/lib/crc/tests/crc16_test.c
new file mode 100644
index 00000000..03a5b504
--- /dev/null
+++ b/src/lib/crc/tests/crc16_test.c
@@ -0,0 +1,67 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2026
+ *
+ * Test of the CRC-16/CCITT-FALSE function
+ *
+ * Dimitri Staessens <dimitri@ouroboros.rocks>
+ * Sander Vrijders <sander@ouroboros.rocks>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#include "config.h"
+
+#include <ouroboros/crc16.h>
+
+#include <test/test.h>
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+
+/* reveng-catalog smoke vectors. */
+static int test_crc16_ccitt_false_basic(void)
+{
+ uint16_t crc;
+
+ TEST_START();
+
+ crc = 0;
+ crc16_ccitt_false(&crc, "", 0);
+ if (crc != 0xffff)
+ goto fail;
+
+ crc = 0;
+ crc16_ccitt_false(&crc, "123456789", 9);
+ if (crc != 0x29b1)
+ goto fail;
+
+ TEST_SUCCESS();
+ return TEST_RC_SUCCESS;
+ fail:
+ TEST_FAIL();
+ return TEST_RC_FAIL;
+}
+
+int crc16_test(int argc,
+ char ** argv)
+{
+ int ret = 0;
+
+ (void) argc;
+ (void) argv;
+
+ ret |= test_crc16_ccitt_false_basic();
+ return ret;
+}
diff --git a/src/lib/crc/tests/crc32_test.c b/src/lib/crc/tests/crc32_test.c
new file mode 100644
index 00000000..5a1ddd87
--- /dev/null
+++ b/src/lib/crc/tests/crc32_test.c
@@ -0,0 +1,72 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2026
+ *
+ * Test of the CRC32 function
+ *
+ * Dimitri Staessens <dimitri@ouroboros.rocks>
+ * Sander Vrijders <sander@ouroboros.rocks>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#include <ouroboros/crc32.h>
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+
+/*
+ * Test vectors calculated at
+ * https://www.lammertbies.nl/comm/info/crc-calculation.html
+ */
+
+int crc32_test(int argc,
+ char ** argv)
+{
+ uint32_t crc = 0;
+ int i = 0;
+
+ (void) argc;
+ (void) argv;
+
+ crc32(&crc, "0", 1);
+ if (crc != 0xF4DBDF21)
+ return -1;
+
+ crc = 0;
+
+ crc32(&crc, "123456789", 9);
+ if (crc != 0xCBF43926)
+ return -1;
+
+ crc = 0;
+
+ crc32(&crc, "987654321", 9);
+ if (crc != 0x015F0201)
+ return -1;
+
+ crc32(&crc, "123456789", 9);
+ if (crc != 0x806B60E3)
+ return -1;
+
+ crc = 0;
+
+ crc32(&crc, &i , 1);
+ if (crc != 0xD202EF8D)
+ return -1;
+
+ return 0;
+}
diff --git a/src/lib/crc/tests/crc64_test.c b/src/lib/crc/tests/crc64_test.c
new file mode 100644
index 00000000..cf3f5ca3
--- /dev/null
+++ b/src/lib/crc/tests/crc64_test.c
@@ -0,0 +1,126 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2026
+ *
+ * Test of the CRC-64/NVMe function
+ *
+ * Dimitri Staessens <dimitri@ouroboros.rocks>
+ * Sander Vrijders <sander@ouroboros.rocks>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#include "config.h"
+
+#include <ouroboros/crc64.h>
+#include <ouroboros/random.h>
+
+#include <test/test.h>
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+
+/* Reference impl, internal to libouroboros-common. */
+extern void crc64_nvme_table(uint64_t * crc,
+ const void * buf,
+ size_t len);
+
+/* reveng-catalog smoke vectors plus a 16-byte fold-boundary check. */
+static int test_crc64_nvme_basic(void)
+{
+ uint64_t crc;
+
+ TEST_START();
+
+ crc = 0;
+ crc64_nvme(&crc, "", 0);
+ if (crc != 0x0000000000000000ULL)
+ goto fail;
+
+ crc = 0;
+ crc64_nvme(&crc, "123456789", 9);
+ if (crc != 0xae8b14860a799888ULL)
+ goto fail;
+
+ crc = 0;
+ crc64_nvme(&crc, "0123456789abcdef", 16);
+ if (crc != 0x091485ca7018730eULL)
+ goto fail;
+
+ TEST_SUCCESS();
+ return TEST_RC_SUCCESS;
+ fail:
+ TEST_FAIL();
+ return TEST_RC_FAIL;
+}
+
+#if defined(HAVE_PCLMUL) || defined(HAVE_PMULL)
+/* Cross-check the accelerated dispatcher path against the byte-table. */
+static int test_crc64_nvme_random(void)
+{
+ static const size_t lens[] = {
+ 0, 1, 7, 8, 15, 16, 17, 31, 32, 33, 63, 64, 65, 127, 128,
+ 129, 255, 256, 257, 1023, 1024, 1025, 4096
+ };
+ uint8_t buf[4096];
+ size_t i;
+ uint64_t ref;
+ uint64_t got;
+
+ TEST_START();
+
+ if (random_buffer(buf, sizeof(buf)) < 0) {
+ printf("Failed to generate random data.\n");
+ goto fail;
+ }
+
+ for (i = 0; i < sizeof(lens) / sizeof(lens[0]); i++) {
+ ref = 0;
+ crc64_nvme_table(&ref, buf, lens[i]);
+
+ got = 0;
+ crc64_nvme(&got, buf, lens[i]);
+
+ if (ref == got)
+ continue;
+
+ printf("Mismatch at len=%zu: table=0x%016lx disp=0x%016lx\n",
+ lens[i],
+ (unsigned long) ref,
+ (unsigned long) got);
+ goto fail;
+ }
+
+ TEST_SUCCESS();
+ return TEST_RC_SUCCESS;
+ fail:
+ TEST_FAIL();
+ return TEST_RC_FAIL;
+#endif
+}
+
+int crc64_test(int argc,
+ char ** argv)
+{
+ int ret = 0;
+
+ (void) argc;
+ (void) argv;
+
+ ret |= test_crc64_nvme_basic();
+#if defined(HAVE_PCLMUL) || defined(HAVE_PMULL)
+ ret |= test_crc64_nvme_random();
+#endif
+ return ret;
+}
diff --git a/src/lib/crc/tests/crc8_test.c b/src/lib/crc/tests/crc8_test.c
new file mode 100644
index 00000000..f7bb33b8
--- /dev/null
+++ b/src/lib/crc/tests/crc8_test.c
@@ -0,0 +1,67 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2026
+ *
+ * Test of the CRC-8/AUTOSAR function
+ *
+ * Dimitri Staessens <dimitri@ouroboros.rocks>
+ * Sander Vrijders <sander@ouroboros.rocks>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#include "config.h"
+
+#include <ouroboros/crc8.h>
+
+#include <test/test.h>
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+
+/* reveng-catalog smoke vectors. */
+static int test_crc8_autosar_basic(void)
+{
+ uint8_t crc;
+
+ TEST_START();
+
+ crc = 0;
+ crc8_autosar(&crc, "", 0);
+ if (crc != 0x00)
+ goto fail;
+
+ crc = 0;
+ crc8_autosar(&crc, "123456789", 9);
+ if (crc != 0xdf)
+ goto fail;
+
+ TEST_SUCCESS();
+ return TEST_RC_SUCCESS;
+ fail:
+ TEST_FAIL();
+ return TEST_RC_FAIL;
+}
+
+int crc8_test(int argc,
+ char ** argv)
+{
+ int ret = 0;
+
+ (void) argc;
+ (void) argv;
+
+ ret |= test_crc8_autosar_basic();
+ return ret;
+}