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Fix issues with stdio needed for Lua

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See #61
This commit is contained in:
Justine Tunney 2021-03-06 16:06:15 -08:00
parent c3ed8d6c7f
commit d769df3482
17 changed files with 102 additions and 155 deletions
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53
test/libc/stdio/fwrite_test.c Normal file
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/*-*- 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/calls/calls.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/stdio/stdio.h"
#include "libc/testlib/testlib.h"
char testlib_enable_tmp_setup_teardown;
TEST(fwrite, test) {
FILE *f;
char buf[512];
ASSERT_NE(NULL, (f = fopen("hog", "wb")));
EXPECT_EQ(-1, fgetc(f));
EXPECT_EQ(5, fwrite("hello", 1, 5, f));
EXPECT_EQ(5, ftell(f));
EXPECT_NE(-1, fclose(f));
ASSERT_NE(NULL, (f = fopen("hog", "r")));
EXPECT_EQ(-1, fwrite("hello", 1, 5, f));
EXPECT_EQ(EBADF, ferror(f));
EXPECT_NE(-1, fclose(f));
ASSERT_NE(NULL, (f = fopen("hog", "a+b")));
EXPECT_EQ(5, fwrite("hello", 1, 5, f));
EXPECT_NE(-1, fclose(f));
/* TODO(jart): O_APPEND on Windows */
if (!IsWindows()) {
ASSERT_NE(NULL, (f = fopen("hog", "r")));
EXPECT_EQ(10, fread(buf, 1, 10, f));
EXPECT_TRUE(!memcmp(buf, "hellohello", 10));
EXPECT_NE(-1, fclose(f));
}
}