82 lines
3.4 KiB
C
82 lines
3.4 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 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ This program is free software; you can redistribute it and/or modify │
|
|
│ it under the terms of the GNU General Public License as published by │
|
|
│ the Free Software Foundation; version 2 of the License. │
|
|
│ │
|
|
│ 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., 51 Franklin Street, Fifth Floor, Boston, MA │
|
|
│ 02110-1301 USA │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/calls.h"
|
|
#include "libc/mem/mem.h"
|
|
#include "libc/runtime/gc.h"
|
|
#include "libc/runtime/runtime.h"
|
|
#include "libc/str/str.h"
|
|
#include "libc/sysv/consts/o.h"
|
|
#include "libc/testlib/testlib.h"
|
|
#include "libc/x/x.h"
|
|
|
|
/* TODO(jart): calling malloc_usable_size was a terrible idea */
|
|
|
|
TEST(todo_jart, broken_in_opt_native_mode) {
|
|
(void)0;
|
|
(void)0;
|
|
}
|
|
|
|
int64_t fd;
|
|
|
|
TEST(gc, usageExample_c11) {
|
|
fd = open("/dev/null", O_WRONLY);
|
|
defer(close_s, &fd);
|
|
char *msg = gc(xasprintf("%d + %d = %d", 2, 2, 2 + 2));
|
|
write(fd, msg, strlen(msg));
|
|
}
|
|
|
|
TEST(gc, checkMallocUsableSizeWorksTheWayWeHopeItDoes) {
|
|
char *p = malloc(32);
|
|
EXPECT_GE(malloc_usable_size(p), 32);
|
|
free(p);
|
|
EXPECT_GE(malloc_usable_size(p), 0);
|
|
}
|
|
|
|
noinline void function1of1(char *p) {
|
|
EXPECT_GE(malloc_usable_size(gc(p)), 32);
|
|
}
|
|
TEST(gc, testOne) {
|
|
char *p = malloc(32);
|
|
function1of1(p);
|
|
EXPECT_EQ(malloc_usable_size(p), 0);
|
|
}
|
|
|
|
noinline void function2of2(char *p1, char *p2) {
|
|
EXPECT_GE(malloc_usable_size(p1), 32);
|
|
EXPECT_GE(malloc_usable_size(p2), 64);
|
|
gc(p2);
|
|
EXPECT_GE(malloc_usable_size(p1), 32);
|
|
EXPECT_GE(malloc_usable_size(p2), 64);
|
|
}
|
|
noinline void function1of2(char *p1, char *p2) {
|
|
EXPECT_GE(malloc_usable_size(p1), 32);
|
|
EXPECT_GE(malloc_usable_size(p2), 64);
|
|
function2of2(gc(p1), p2);
|
|
EXPECT_GE(malloc_usable_size(p1), 32);
|
|
EXPECT_GE(malloc_usable_size(p2), 0);
|
|
}
|
|
TEST(gc, testTwo) {
|
|
char *p1 = malloc(32);
|
|
char *p2 = malloc(64);
|
|
function1of2(p1, p2);
|
|
EXPECT_GE(malloc_usable_size(p1), 0);
|
|
EXPECT_GE(malloc_usable_size(p2), 0);
|
|
}
|