Initial commit

2026-08-07 18:33:50 -05:00
commit f82f8288cf
11 changed files with 1989 additions and 0 deletions
@@ -0,0 +1,134 @@
+#include <stdio.h>
+#include "malunal/allocators.h"
+
+
+int test_libc_allocator() {
+  const malunal_size_t init_bytes = sizeof(malunal_int32_t) * 4;
+  const malunal_size_t final_bytes = sizeof(malunal_int32_t) * 8;
+
+  allocator_acquire_res_t result;
+  allocator_t allocator = libc_allocator();
+
+  result = allocator_acquire((allocator_acquire_req_t) {
+    .allocator = &allocator,
+    .size      = init_bytes
+  });
+
+  if (result.threw)
+    return result.exception;
+
+  if (allocator.reserved != init_bytes) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.reserved != %d, actual == %d";
+    fprintf(stderr, format, init_bytes, allocator.reserved);
+    return 1;
+  }
+
+  if (allocator.allocated != init_bytes) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.allocated != %d, actual == %d";
+    fprintf(stderr, format, init_bytes, allocator.allocated);
+    return 1;
+  }
+
+  if (allocator.acquires != 1) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.acquires != 1, actual == %d";
+    fprintf(stderr, format, allocator.acquires);
+    return 1;
+  }
+
+  if (allocator.releases != 0) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.releases != 0, actual == %d";
+    fprintf(stderr, format, allocator.releases);
+    return 1;
+  }
+
+  malunal_int32_t  index;
+  malunal_int32_t* vector;
+
+  vector = result.address;
+  for (index = 0; index < 4; index++)
+    vector[index] = index + 1;
+
+  result = allocator_reacquire((allocator_reacquire_req_t) {
+    .allocator = &allocator,
+    .prev      = result.address,
+    .oldsz     = init_bytes,
+    .newsz     = final_bytes
+  });
+
+  if (result.threw)
+    return result.exception;
+
+  if (allocator.reserved != final_bytes) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.reserved != %d, actual == %d";
+    fprintf(stderr, format, final_bytes, allocator.reserved);
+    return 1;
+  }
+
+  if (allocator.allocated != final_bytes) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.allocator != %d, actual == %d";
+    fprintf(stderr, format, final_bytes, allocator.reserved);
+    return 1;
+  }
+
+  if (allocator.acquires != 2) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.acquires != 2, actual == %d";
+    fprintf(stderr, format, allocator.acquires);
+    return 1;
+  }
+
+  if (allocator.releases != 1) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.releases != 1, actual == %d";
+    fprintf(stderr, format, allocator.releases);
+    return 1;
+  }
+
+  vector = result.address;
+  for (index = 0; index < 4; index++)
+    if (vector[index] != index + 1)
+      return 1;
+
+  allocator_exception_t relexc =
+    allocator_release((allocator_release_req_t) {
+      .allocator = &allocator,
+      .address   = result.address,
+      .size      = final_bytes
+    });
+
+  if (allocator.reserved != 0) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.reserved != 0, actual == %d";
+    fprintf(stderr, format, allocator.reserved);
+    return 1;
+  }
+
+  if (allocator.allocated != 0) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.allocator != 0, actual == %d";
+    fprintf(stderr, format, allocator.reserved);
+    return 1;
+  }
+
+  if (allocator.acquires != 2) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.acquires != 2, actual == %d";
+    fprintf(stderr, format, allocator.acquires);
+    return 1;
+  }
+
+  if (allocator.releases != 2) {
+    const malunal_cstr_t format =
+      "[libc_allocator]: allocator.releases != 2, actual == %d";
+    fprintf(stderr, format, allocator.releases);
+    return 1;
+  }
+
+  return relexc == ALLOCATOR_EXCEPTION_SUCCESS;
+}