mirror of
https://github.com/jart/cosmopolitan.git
synced 2024-05-17 02:52:40 +00:00
183 lines
6.6 KiB
C
183 lines
6.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/sigaction.h"
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#include "libc/dce.h"
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#include "libc/errno.h"
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#include "libc/mem/gc.internal.h"
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#include "libc/mem/mem.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/rand.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/sig.h"
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#include "libc/testlib/testlib.h"
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#include "libc/time/time.h"
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#define PATH "hog"
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FILE *f;
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char buf[512];
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char testlib_enable_tmp_setup_teardown;
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TEST(fwrite, test) {
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ASSERT_NE(NULL, (f = fopen(PATH, "wb")));
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EXPECT_EQ(-1, fgetc(f));
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ASSERT_FALSE(feof(f));
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ASSERT_EQ(EBADF, errno);
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ASSERT_EQ(EBADF, ferror(f));
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clearerr(f);
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EXPECT_EQ(5, fwrite("hello", 1, 5, f));
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EXPECT_EQ(5, ftell(f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "r")));
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EXPECT_EQ(0, fwrite("hello", 1, 5, f));
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EXPECT_EQ(EBADF, ferror(f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "a+b")));
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EXPECT_EQ(5, fwrite("hello", 1, 5, f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "r")));
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EXPECT_EQ(10, fread(buf, 1, 10, f));
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EXPECT_TRUE(!memcmp(buf, "hellohello", 10));
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EXPECT_NE(-1, fclose(f));
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}
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TEST(fwrite, testSmallBuffer) {
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ASSERT_NE(NULL, (f = fopen(PATH, "wb")));
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setbuffer(f, gc(malloc(1)), 1);
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EXPECT_EQ(-1, fgetc(f));
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clearerr(f);
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EXPECT_EQ(5, fwrite("hello", 1, 5, f));
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EXPECT_EQ(5, ftell(f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "r")));
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setbuffer(f, gc(malloc(1)), 1);
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EXPECT_EQ(0, fwrite("hello", 1, 5, f));
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EXPECT_EQ(EBADF, ferror(f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "a")));
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setbuffer(f, gc(malloc(1)), 1);
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EXPECT_EQ(5, fwrite("hello", 1, 5, f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "r")));
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setbuffer(f, gc(malloc(1)), 1);
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EXPECT_EQ(10, fread(buf, 1, 10, f));
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EXPECT_TRUE(!memcmp(buf, "hellohello", 10));
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EXPECT_NE(-1, fclose(f));
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}
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TEST(fwrite, testLineBuffer) {
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ASSERT_NE(NULL, (f = fopen(PATH, "wb")));
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setvbuf(f, NULL, _IOLBF, 64);
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EXPECT_EQ(-1, fgetc(f));
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clearerr(f);
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EXPECT_EQ(5, fwrite("heyy\n", 1, 5, f));
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EXPECT_EQ(0, fread(buf, 0, 0, f));
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EXPECT_FALSE(feof(f));
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EXPECT_EQ(0, fread(buf, 1, 10, f));
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EXPECT_EQ(EBADF, ferror(f));
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EXPECT_EQ(5, ftell(f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "r")));
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setvbuf(f, NULL, _IOLBF, 64);
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EXPECT_EQ(0, fwrite("heyy\n", 1, 5, f));
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EXPECT_EQ(EBADF, ferror(f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "a")));
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setvbuf(f, NULL, _IOLBF, 64);
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EXPECT_EQ(5, fwrite("heyy\n", 1, 5, f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "r")));
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setvbuf(f, NULL, _IOLBF, 64);
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EXPECT_EQ(10, fread(buf, 1, 10, f));
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EXPECT_TRUE(!memcmp(buf, "heyy\nheyy\n", 10));
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EXPECT_NE(-1, fclose(f));
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}
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TEST(fwrite, testNoBuffer) {
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ASSERT_NE(NULL, (f = fopen(PATH, "wb")));
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setvbuf(f, NULL, _IONBF, 64);
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EXPECT_EQ(-1, fgetc(f));
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clearerr(f);
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EXPECT_EQ(5, fwrite("heyy\n", 1, 5, f));
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EXPECT_EQ(5, ftell(f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "r")));
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setvbuf(f, NULL, _IONBF, 64);
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EXPECT_EQ(0, fwrite("heyy\n", 1, 5, f));
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EXPECT_EQ(EBADF, ferror(f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "a")));
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setvbuf(f, NULL, _IONBF, 64);
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EXPECT_EQ(5, fwrite("heyy\n", 1, 5, f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "r")));
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setvbuf(f, NULL, _IONBF, 64);
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EXPECT_EQ(10, fread(buf, 1, 10, f));
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EXPECT_TRUE(!memcmp(buf, "heyy\nheyy\n", 10));
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EXPECT_NE(-1, fclose(f));
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}
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void MeatyReadWriteTest(void) {
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size_t n;
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char *mem, *buf;
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n = 8 * 1024 * 1024;
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buf = gc(malloc(n));
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mem = rngset(gc(malloc(n)), n, _rand64, -1);
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ASSERT_NE(NULL, (f = fopen(PATH, "wb")));
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setbuffer(f, gc(malloc(4 * 1000 * 1000)), 4 * 1000 * 1000);
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EXPECT_EQ(n, fwrite(mem, 1, n, f));
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EXPECT_NE(-1, fclose(f));
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ASSERT_NE(NULL, (f = fopen(PATH, "r")));
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setbuffer(f, gc(malloc(4 * 1000 * 1000)), 4 * 1000 * 1000);
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EXPECT_EQ(n, fread(buf, 1, n, f));
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EXPECT_EQ(0, memcmp(buf, mem, n));
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EXPECT_NE(-1, fclose(f));
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}
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volatile bool gotsigint;
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void OnSigInt(int sig) {
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gotsigint = true;
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}
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TEST(fwrite, signalStorm) {
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if (IsWindows()) return;
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int pid;
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struct sigaction oldchld, oldint;
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struct sigaction sachld = {.sa_handler = SIG_IGN};
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struct sigaction saint = {.sa_handler = OnSigInt};
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EXPECT_NE(-1, sigaction(SIGINT, &saint, &oldint));
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EXPECT_NE(-1, sigaction(SIGCHLD, &sachld, &oldchld));
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ASSERT_NE(-1, (pid = fork()));
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if (!pid) {
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do {
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ASSERT_NE(-1, kill(getppid(), SIGINT));
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usleep(25);
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} while (!gotsigint);
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_exit(0);
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}
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pause();
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MeatyReadWriteTest();
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EXPECT_NE(-1, kill(pid, SIGINT));
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while (wait(0) == -1 && errno == EINTR) donothing;
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EXPECT_NE(-1, sigaction(SIGCHLD, &oldchld, NULL));
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EXPECT_NE(-1, sigaction(SIGINT, &oldint, NULL));
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}
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