cosmopolitan/test/libc/mem/arena_test.c
Justine Tunney 7061c79c22 Make fixes, improvements, and chibicc python bindings
- python now mixes audio 10x faster
- python octal notation is restored
- chibicc now builds code 3x faster
- chibicc now has help documentation
- chibicc can now generate basic python bindings
- linenoise now supports some paredit-like features

See #141
2021-10-08 08:41:57 -07:00

65 lines
2.8 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/mem/arena.h"
#include "libc/mem/mem.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
TEST(arena, test) {
EXPECT_STREQ("hello", gc(strdup("hello")));
__arena_push();
EXPECT_STREQ("hello", strdup("hello"));
__arena_push();
EXPECT_STREQ("hello", strdup("hello"));
for (int i = 0; i < 5000; ++i) {
EXPECT_STREQ("hello", strdup("hello"));
}
free(strdup("hello"));
__arena_pop();
EXPECT_STREQ("", calloc(1, 16));
EXPECT_STREQ("hello", strdup("hello"));
__arena_pop();
}
void *calloc_(size_t, size_t) asm("calloc");
void A(size_t n) {
__arena_push();
for (int i = 0; i < n; ++i) {
calloc_(15, 1);
}
__arena_pop();
}
void B(size_t n) {
void **P;
P = malloc(n * sizeof(void *));
for (int i = 0; i < n; ++i) {
P[i] = calloc_(15, 1);
}
bulk_free(P, n);
free(P);
}
BENCH(arena, bench) {
EZBENCH2("A 100", donothing, A(100));
EZBENCH2("B 100", donothing, B(100));
EZBENCH2("A 5000", donothing, A(5000));
EZBENCH2("B 5000", donothing, B(5000));
}