feat(hmpl): render simple placeholder with memory leak of course

package/c/chectic/test/arena.c

@@ -0,0 +1,60 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include "chectic.h"
+
+void test_arena_init() {
+  Arena arena = arena_init(128);
+  assert(arena.begin != NULL);
+  assert(arena.current == arena.begin);
+  assert(arena.capacity == 128);
+  arena_free(&arena);
+}
+
+void test_arena_alloc() {
+  Arena arena = arena_init(64);
+  void *ptr1 = arena_alloc(&arena, 16);
+  assert(ptr1 != NULL);
+  void *ptr2 = arena_alloc(&arena, 16);
+  assert(ptr2 != NULL);
+  raise_debug("%d - %d = %d", (size_t)ptr2, (size_t)ptr1, (char *)ptr2 - (char *)ptr1);
+  assert((char *)ptr2 - (char *)ptr1 == 16);
+  arena_free(&arena);
+}
+
+void test_arena_alloc_or_null_out_of_memory() {
+  Arena arena = arena_init(32);
+  void *ptr = arena_alloc_or_null(&arena, 64);
+  raise_debug("%d %d %d %d", arena.begin, arena.current, arena.capacity, (size_t)ptr);
+  assert(ptr == NULL);
+  arena_free(&arena);
+}
+
+void test_arena_reset() {
+  Arena arena = arena_init(64);
+  void *ptr1 = arena_alloc(&arena, 16);
+  arena_reset(&arena);
+  void *ptr2 = arena_alloc(&arena, 16);
+  assert(ptr1 == ptr2); // same address after reset
+  arena_free(&arena);
+}
+
+void test_arena_null_init() {
+  Arena arena = {0};
+  void *ptr = arena_alloc_or_null(&arena, 32);
+  assert(ptr != NULL);
+  arena_free(&arena);
+}
+
+int main() {
+  set_output_color_mode(COLOR_MODE_DISABLE);
+  logger_level(LOG_LEVEL_DEBUG);                                                            \
+
+  test_arena_init();
+  test_arena_alloc();
+  test_arena_alloc_or_null_out_of_memory();
+  test_arena_reset();
+  test_arena_null_init();
+  printf("All tests passed.\n");
+}

package/c/chectic/test/test.c

@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include "chectic.h"
+
+#define TEST_RAISE_GENERIC(LOG_MACRO, LEVEL, LEVEL_STR) do {                        \
+    FILE *orig_stderr = stderr;                                                     \
+    FILE *temp = tmpfile();                                                         \
+    char result_buffer[256];                                                        \
+    if (!temp) { perror("tmpfile"); exit(EXIT_FAILURE); }                           \
+    stderr = temp;                                                                  \
+    logger_level(LEVEL);                                                            \
+    const char* time_str = LOG_MACRO("message");                                    \
+    logger_level_reset();                                                           \
+    fflush(stderr);                                                                 \
+    fseek(temp, 0, SEEK_SET);                                                       \
+    size_t nread = fread(result_buffer, 1, sizeof(result_buffer)-1, temp);          \
+    result_buffer[nread] = '\0';                                                    \
+    stderr = orig_stderr;                                                           \
+    fclose(temp);                                                                   \
+    char expected_buffer[256];                                                      \
+    sprintf(expected_buffer, "%s " LEVEL_STR " " __FILE__ ":%d message\n", time_str, __LINE__); \
+    printf("DEBUG: [%s] [%s]\n", result_buffer, expected_buffer);                   \
+    assert(strcmp(result_buffer, expected_buffer) == 0);                            \
+} while(0)
+
+int main(void) {
+    set_output_color_mode(COLOR_MODE_DISABLE);
+
+    TEST_RAISE_GENERIC(raise_debug, LOG_LEVEL_DEBUG, "DEBUG");
+    TEST_RAISE_GENERIC(raise_log,   LOG_LEVEL_LOG,   "LOG");
+    TEST_RAISE_GENERIC(raise_info,  LOG_LEVEL_INFO, "INFO");
+    TEST_RAISE_GENERIC(raise_notice,  LOG_LEVEL_NOTICE, "NOTICE");
+    TEST_RAISE_GENERIC(raise_warn,  LOG_LEVEL_WARN, "WARN");
+    TEST_RAISE_GENERIC(raise_exception,  LOG_LEVEL_EXCEPTION, "EXCEPTION");
+
+    return 0;
+}