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-rw-r--r--libmisc/tests/test.h21
-rw-r--r--libmisc/tests/test_assert.c94
-rw-r--r--libmisc/tests/test_assert_min.c17
-rw-r--r--libmisc/tests/test_endian.c41
-rw-r--r--libmisc/tests/test_hash.c30
-rw-r--r--libmisc/tests/test_log.c70
-rw-r--r--libmisc/tests/test_macro.c54
-rw-r--r--libmisc/tests/test_map.c60
-rw-r--r--libmisc/tests/test_private.c29
-rw-r--r--libmisc/tests/test_rand.c79
10 files changed, 495 insertions, 0 deletions
diff --git a/libmisc/tests/test.h b/libmisc/tests/test.h
new file mode 100644
index 0000000..ea13d3c
--- /dev/null
+++ b/libmisc/tests/test.h
@@ -0,0 +1,21 @@
+/* libmisc/tests/test.h - Common test utilities
+ *
+ * Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#ifndef _LIBMISC_TESTS_TEST_H_
+#define _LIBMISC_TESTS_TEST_H_
+
+#include <stdio.h>
+#include <stdlib.h> /* for exit() */
+
+#define test_assert(expr) do { \
+ if (!(expr)) { \
+ printf("test failure: %s:%d:%s: %s\n", \
+ __FILE__, __LINE__, __func__, #expr); \
+ exit(1); \
+ } \
+ } while (0)
+
+#endif /* _LIBMISC_TESTS_TEST_H_ */
diff --git a/libmisc/tests/test_assert.c b/libmisc/tests/test_assert.c
new file mode 100644
index 0000000..15f9446
--- /dev/null
+++ b/libmisc/tests/test_assert.c
@@ -0,0 +1,94 @@
+/* libmisc/tests/test_assert.c - Tests for <libmisc/assert.h>
+ *
+ * Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <setjmp.h>
+#include <stdarg.h> /* for va_list, va_start(), va_end() */
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <libmisc/macro.h>
+#include <libmisc/assert.h>
+#include <libmisc/_intercept.h>
+
+#include "test.h"
+
+/* Intercept failures and logging *********************************************/
+
+bool global_failed;
+char *global_log;
+jmp_buf global_env;
+
+#define with_intercept() ({ \
+ global_failed = false; \
+ if (global_log) \
+ free(global_log); \
+ global_log = NULL; \
+ setjmp(global_env) == 0; \
+ })
+
+void __lm_abort(void) {
+ global_failed = true;
+ longjmp(global_env, 1);
+}
+
+int __lm_light_printf(const char *format, ...) {
+ va_list va;
+ va_start(va, format);
+ int ret = vasprintf(&global_log, format, va);
+ va_end(va);
+ return ret;
+}
+
+#define __builtin_unreachable() test_assert(0)
+
+/* Utilities ******************************************************************/
+
+#define test_should_succeed(test) do { \
+ if (with_intercept()) { \
+ test; \
+ } \
+ test_assert(global_failed == false); \
+ test_assert(global_log == NULL); \
+ } while (0)
+
+#define test_should_fail(test, exp_log) do { \
+ if (with_intercept()) { \
+ test; \
+ } \
+ test_assert(global_failed == true); \
+ if (!(global_log != NULL && \
+ strcmp(global_log, exp_log) == 0)) { \
+ printf("exp = \"%s\"\n" \
+ "act = \"%s\"\n", \
+ exp_log, global_log); \
+ test_assert(0); \
+ } \
+ } while (0)
+
+/* Actual tests ***************************************************************/
+
+static_assert(sizeof(char) == 1);
+
+int main() {
+#ifndef NDEBUG
+ test_should_succeed(assert(true));
+ test_should_fail(assert(false), "error: ASSERT: "__FILE__":"LM_STR_(__LINE__)":main(): assertion \"false\" failed\n");
+
+ test_should_succeed(assert_msg(true, "foo"));
+ test_should_fail(assert_msg(false, "foo"), "error: ASSERT: "__FILE__":"LM_STR_(__LINE__)":main(): assertion \"false\" failed: foo\n");
+ test_should_succeed(assert_msg(true, NULL));
+ test_should_fail(assert_msg(false, NULL), "error: ASSERT: "__FILE__":"LM_STR_(__LINE__)":main(): assertion \"false\" failed\n");
+
+ test_should_fail(assert_notreached("xxx"), "error: ASSERT: "__FILE__":"LM_STR_(__LINE__)":main(): assertion \"notreached\" failed: xxx\n");
+
+ if (global_log) {
+ free(global_log);
+ global_log = NULL;
+ }
+#endif
+ return 0;
+}
diff --git a/libmisc/tests/test_assert_min.c b/libmisc/tests/test_assert_min.c
new file mode 100644
index 0000000..9c0394b
--- /dev/null
+++ b/libmisc/tests/test_assert_min.c
@@ -0,0 +1,17 @@
+/* libmisc/tests/test_assert_min.c - Tests for minimal <libmisc/assert.h>
+ *
+ * Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+/* Don't include *anything* else. */
+#include <libmisc/assert.h>
+
+static_assert(1 == 1);
+
+int main() {
+ assert_msg(1, "foo");
+ assert(1);
+ return 0;
+ assert_notreached("ret");
+}
diff --git a/libmisc/tests/test_endian.c b/libmisc/tests/test_endian.c
new file mode 100644
index 0000000..dcb3cc2
--- /dev/null
+++ b/libmisc/tests/test_endian.c
@@ -0,0 +1,41 @@
+/* libmisc/tests/test_endian.c - Tests for <libmisc/endian.h>
+ *
+ * Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <string.h> /* for memcmp() */
+
+#include <libmisc/endian.h>
+
+#include "test.h"
+
+int main() {
+ uint8_t act[(2+4+8)*2] = {0};
+ size_t pos = 0;
+ pos += uint16be_encode(&act[pos], UINT16_C(0x1234));
+ pos += uint32be_encode(&act[pos], UINT32_C(0x56789ABC));
+ pos += uint64be_encode(&act[pos], UINT64_C(0xAC589A93278CB30A));
+ pos += uint16le_encode(&act[pos], UINT16_C(0x1234));
+ pos += uint32le_encode(&act[pos], UINT32_C(0x56789ABC));
+ pos += uint64le_encode(&act[pos], UINT64_C(0xAC589A93278CB30A));
+
+ test_assert(pos == sizeof(act));
+ uint8_t exp[(2+4+8)*2] = { 0x12, 0x34,
+ 0x56, 0x78, 0x9A, 0xBC,
+ 0xAC, 0x58, 0x9A, 0x93, 0x27, 0x8C, 0xB3, 0x0A,
+ 0x34, 0x12,
+ 0xBC, 0x9A, 0x78, 0x56,
+ 0x0A, 0xB3, 0x8C, 0x27, 0x93, 0x9A, 0x58, 0xAC};
+ test_assert(memcmp(act, exp, sizeof(act)) == 0);
+
+ pos = 0;
+ test_assert(uint16be_decode(&act[pos]) == UINT16_C(0x1234)); pos += 2;
+ test_assert(uint32be_decode(&act[pos]) == UINT32_C(0x56789ABC)); pos += 4;
+ test_assert(uint64be_decode(&act[pos]) == UINT64_C(0xAC589A93278CB30A)); pos += 8;
+ test_assert(uint16le_decode(&act[pos]) == UINT16_C(0x1234)); pos += 2;
+ test_assert(uint32le_decode(&act[pos]) == UINT32_C(0x56789ABC)); pos += 4;
+ test_assert(uint64le_decode(&act[pos]) == UINT64_C(0xAC589A93278CB30A)); pos += 8;
+
+ return 0;
+}
diff --git a/libmisc/tests/test_hash.c b/libmisc/tests/test_hash.c
new file mode 100644
index 0000000..c1af385
--- /dev/null
+++ b/libmisc/tests/test_hash.c
@@ -0,0 +1,30 @@
+/* libmisc/tests/test_hash.c - Tests for <libmisc/hash.h>
+ *
+ * Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <libmisc/hash.h>
+
+#include "test.h"
+
+int main() {
+ test_assert(hash("hello", sizeof("hello")) == hash("hello", sizeof("hello")));
+ test_assert(hash("hello", sizeof("hello")) != hash("Hello", sizeof("Hello")));
+ int one = 1;
+ int two = 2;
+ test_assert(hash(&one, sizeof(int)) != hash("hello", sizeof("hello")));
+ test_assert(hash(&one, sizeof(int)) == hash(&one, sizeof(int)));
+ test_assert(hash(&one, sizeof(int)) != hash(&two, sizeof(int)));
+
+ hash_t myhash;
+ hash_init(&myhash);
+ hash_write(&myhash, "hello", 5);
+ test_assert(myhash == hash("hello", 5));
+ hash_t myhash_a = myhash;
+ hash_write(&myhash, "world", 5);
+ test_assert(myhash != myhash_a);
+ test_assert(myhash == hash("helloworld", 10));
+
+ return 0;
+}
diff --git a/libmisc/tests/test_log.c b/libmisc/tests/test_log.c
new file mode 100644
index 0000000..49a76ca
--- /dev/null
+++ b/libmisc/tests/test_log.c
@@ -0,0 +1,70 @@
+/* libmisc/tests/test_log.c - Tests for <libmisc/log.h>
+ *
+ * Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#define _GNU_SOURCE /* for vasprintf() */
+#include <stdarg.h> /* for va_list */
+#include <stdio.h> /* for vasprintf() */
+#include <stdlib.h> /* for free() */
+#include <string.h> /* for strcmp() */
+
+#define LOG_NAME FROBNICATE
+#include <libmisc/log.h>
+
+#include <libmisc/_intercept.h>
+
+#include "test.h"
+
+/* Intercept output ***********************************************************/
+
+static char *log_output = NULL;
+
+int __lm_printf(const char *format, ...) {
+ va_list va;
+ va_start(va, format);
+ int ret = vasprintf(&log_output, format, va);
+ va_end(va);
+ return ret;
+}
+
+/* Actual tests ***************************************************************/
+
+#define should_print(_exp, cmd) do { \
+ char *exp = _exp; \
+ test_assert(!log_output); \
+ cmd; \
+ if (!exp) \
+ test_assert(!log_output); \
+ else { \
+ test_assert(log_output); \
+ if (strcmp(log_output, exp)) { \
+ printf("exp = \"%s\"\n" \
+ "act = \"%s\"\n", \
+ exp, log_output); \
+ test_assert(0); \
+ } \
+ } \
+ if (log_output) { \
+ free(log_output); \
+ log_output = NULL; \
+ } \
+ } while (0)
+
+int main() {
+ should_print("error: FROBNICATE: val=42\n",
+ errorf("val=%d", 42));
+ should_print("info : FROBNICATE: val=0\n",
+ infof("val=%d", 0));
+#ifndef NDEBUG
+#define CONFIG_FROBNICATE_DEBUG 1
+ should_print("debug: FROBNICATE: val=-2\n",
+ debugf("val=%d", -2));
+#undef CONFIG_FROBNICATE_DEBUG
+#define CONFIG_FROBNICATE_DEBUG 0
+ should_print(NULL,
+ debugf("val=%d", -2));
+#endif
+ return 0;
+}
diff --git a/libmisc/tests/test_macro.c b/libmisc/tests/test_macro.c
new file mode 100644
index 0000000..1320eb3
--- /dev/null
+++ b/libmisc/tests/test_macro.c
@@ -0,0 +1,54 @@
+/* libmisc/tests/test_macro.c - Tests for <libmisc/macro.h>
+ *
+ * Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <libmisc/macro.h>
+
+#include "test.h"
+
+int main() {
+ printf("== LM_NEXT_POWER_OF_2 =====================================\n");
+ /* valid down to 0. */
+ test_assert(LM_NEXT_POWER_OF_2(0) == 1);
+ test_assert(LM_NEXT_POWER_OF_2(1) == 2);
+ test_assert(LM_NEXT_POWER_OF_2(2) == 4);
+ test_assert(LM_NEXT_POWER_OF_2(3) == 4);
+ test_assert(LM_NEXT_POWER_OF_2(4) == 8);
+ test_assert(LM_NEXT_POWER_OF_2(5) == 8);
+ test_assert(LM_NEXT_POWER_OF_2(6) == 8);
+ test_assert(LM_NEXT_POWER_OF_2(7) == 8);
+ test_assert(LM_NEXT_POWER_OF_2(8) == 16);
+ /* ... */
+ test_assert(LM_NEXT_POWER_OF_2(16) == 32);
+ /* ... */
+ test_assert(LM_NEXT_POWER_OF_2(0x7000000000000000) == 0x8000000000000000);
+ /* ... */
+ test_assert(LM_NEXT_POWER_OF_2(0x8000000000000000-1) == 0x8000000000000000);
+ /* Valid up to 0x8000000000000000-1 = (1<<63)-1 */
+
+ printf("== LM_FLOORLOG2 ===========================================\n");
+ /* valid down to 1. */
+ test_assert(LM_FLOORLOG2(1) == 0);
+ test_assert(LM_FLOORLOG2(2) == 1);
+ test_assert(LM_FLOORLOG2(3) == 1);
+ test_assert(LM_FLOORLOG2(4) == 2);
+ test_assert(LM_FLOORLOG2(5) == 2);
+ test_assert(LM_FLOORLOG2(6) == 2);
+ test_assert(LM_FLOORLOG2(7) == 2);
+ test_assert(LM_FLOORLOG2(8) == 3);
+ /* ... */
+ test_assert(LM_FLOORLOG2(16) == 4);
+ /* ... */
+ test_assert(LM_FLOORLOG2(0x80000000) == 31);
+ /* ... */
+ test_assert(LM_FLOORLOG2(0xFFFFFFFF) == 31);
+ test_assert(LM_FLOORLOG2(0x100000000) == 32);
+ /* ... */
+ test_assert(LM_FLOORLOG2(0x8000000000000000) == 63);
+ /* ... */
+ test_assert(LM_FLOORLOG2(0xFFFFFFFFFFFFFFFF) == 63);
+
+ return 0;
+}
diff --git a/libmisc/tests/test_map.c b/libmisc/tests/test_map.c
new file mode 100644
index 0000000..855dace
--- /dev/null
+++ b/libmisc/tests/test_map.c
@@ -0,0 +1,60 @@
+/* libmisc/tests/test_map.c - Tests for <libmisc/map.h>
+ *
+ * Copyright (C) 2025 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <libmisc/map.h>
+
+#include "test.h"
+
+MAP_DECLARE(intmap, int, int);
+
+int main() {
+ struct intmap m = {};
+ test_assert(map_len(&m) == 0);
+
+ int *v = map_store(&m, 3, 8);
+ test_assert(v && *v == 8);
+ test_assert(map_len(&m) == 1);
+
+ v = map_load(&m, 3);
+ test_assert(v);
+ test_assert(*v == 8);
+
+ v = NULL;
+
+ test_assert(map_del(&m, 3));
+ test_assert(map_len(&m) == 0);
+ test_assert(!map_del(&m, 3));
+
+ map_store(&m, 1, 11);
+ map_store(&m, 2, 12);
+ map_store(&m, 3, 13);
+ test_assert(map_len(&m) == 3);
+ bool seen_1 = false, seen_2 = false, seen_3 = false;
+ MAP_FOREACH(&m, ik, iv) {
+ switch (ik) {
+ case 1: seen_1 = true; break;
+ case 2: seen_2 = true; break;
+ case 3: seen_3 = true; break;
+ }
+ switch (ik) {
+ case 1: case 2: case 3:
+ map_store(&m, ik+20, (*iv)+20);
+ test_assert(map_del(&m, ik));
+ test_assert(!map_del(&m, ik));
+ test_assert(map_load(&m, ik) == NULL);
+ break;
+ }
+ }
+ test_assert(map_len(&m) == 3);
+ test_assert(seen_1); v = map_load(&m, 21); test_assert(v && *v == 31); v = map_load(&m, 1); test_assert(!v);
+ test_assert(seen_2); v = map_load(&m, 22); test_assert(v && *v == 32); v = map_load(&m, 2); test_assert(!v);
+ test_assert(seen_3); v = map_load(&m, 23); test_assert(v && *v == 33); v = map_load(&m, 3); test_assert(!v);
+
+ map_free(&m);
+ test_assert(map_len(&m) == 0);
+
+ return 0;
+}
diff --git a/libmisc/tests/test_private.c b/libmisc/tests/test_private.c
new file mode 100644
index 0000000..024dddb
--- /dev/null
+++ b/libmisc/tests/test_private.c
@@ -0,0 +1,29 @@
+/* libmisc/tests/test_private.c - Tests for <libmisc/private.h>
+ *
+ * Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <libmisc/private.h>
+
+struct a {
+ int foo;
+ BEGIN_PRIVATE(A);
+ int bar;
+ END_PRIVATE(A);
+};
+
+#define IMPLEMENTATION_FOR_B YES
+
+struct b {
+ int foo;
+ BEGIN_PRIVATE(B);
+ int bar;
+ END_PRIVATE(B);
+};
+
+int main() {
+ struct b obj;
+ obj.bar = 0;
+ return obj.bar;
+}
diff --git a/libmisc/tests/test_rand.c b/libmisc/tests/test_rand.c
new file mode 100644
index 0000000..8076155
--- /dev/null
+++ b/libmisc/tests/test_rand.c
@@ -0,0 +1,79 @@
+/* libmisc/tests/test_rand.c - Tests for <libmisc/rand.h>
+ *
+ * Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <stdbool.h>
+#include <setjmp.h>
+
+#include <libmisc/rand.h>
+#include <libmisc/_intercept.h>
+
+#include "test.h"
+
+/* Intercept failures *********************************************************/
+
+#ifndef NDEBUG
+jmp_buf *__catch;
+
+void __lm_abort(void) {
+ if (__catch)
+ longjmp(*__catch, 1);
+ abort();
+}
+
+#define should_abort(cmd) do { \
+ jmp_buf *old_catch = __catch; \
+ jmp_buf env; \
+ __catch = &env; \
+ if (!setjmp(env)) { \
+ cmd; \
+ __catch = old_catch; \
+ test_assert(false); \
+ } else { \
+ __catch = old_catch; \
+ } \
+ } while (0);
+#endif
+
+/* Actual tests ***************************************************************/
+
+#define ROUNDS 4096
+#define MAX_SEE_ALL 128
+
+static void test_n(uint64_t cnt) {
+ if (cnt == 0 || cnt > UINT64_C(1)<<63) {
+#ifndef NDEBUG
+ should_abort(rand_uint63n(cnt));
+#else
+ return;
+#endif
+ } else {
+ double sum = 0;
+ bool seen[MAX_SEE_ALL] = {0};
+ for (int i = 0; i < ROUNDS; i++) {
+ uint64_t val = rand_uint63n(cnt);
+ sum += val;
+ test_assert(val < cnt);
+ if (cnt < MAX_SEE_ALL)
+ seen[val] = true;
+ }
+ if (cnt > 1) {
+ test_assert(sum/ROUNDS > 0.45*(cnt-1));
+ test_assert(sum/ROUNDS < 0.55*(cnt-1));
+ }
+ if (cnt < MAX_SEE_ALL) {
+ for (uint64_t i = 0; i < cnt; i++)
+ test_assert(seen[i]);
+ }
+ }
+}
+
+int main() {
+ for (uint8_t i = 0; i < 64; i++)
+ test_n(UINT64_C(1)<<i);
+ for (uint64_t j = 0; j < MAX_SEE_ALL; j++)
+ test_n(j);
+ return 0;
+}