cosmopolitan/test/libc/runtime/ringalloc_test.c

49 lines
2.5 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/runtime/ring.h"
#include "libc/testlib/testlib.h"
TEST(ringalloc, testMagic) {
char *p;
size_t n;
struct RingBuffer ring = {};
n = FRAMESIZE * 2;
EXPECT_NE(NULL, ringalloc(&ring, n));
if ((p = ring.p)) {
EXPECT_EQ(0, p[0]);
EXPECT_EQ(0, p[7]);
EXPECT_EQ(0, p[n + 0]);
EXPECT_EQ(0, p[n + 7]);
p[0] = 23;
p[7] = 123;
EXPECT_EQ(23, p[0]);
EXPECT_EQ(123, p[7]);
EXPECT_EQ(23, p[n + 0]);
EXPECT_EQ(123, p[n + 7]);
}
EXPECT_NE(-1, ringfree(&ring));
}
TEST(ringalloc, testFrameSized) {
struct RingBuffer ring = {};
EXPECT_NE(NULL, ringalloc(&ring, FRAMESIZE));
EXPECT_NE(-1, ringfree(&ring));
}