/*-*- 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 2023 Gabriel Ravier                                                │
│                                                                              │
│ 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/dce.h"
#include "libc/mem/gc.internal.h"
#include "libc/stdio/stdio.h"
#include "libc/testlib/testlib.h"
#include "libc/x/xasprintf.h"

TEST(fprintf, testWriteError) {
  // Only Linux, NetBSD and FreeBSD are known to have /dev/full
  if (!IsLinux() && !IsNetbsd() && !IsFreebsd()) return;

  FILE *fp = fopen("/dev/full", "w");
  ASSERT_NE(fp, NULL);

  setbuf(fp, NULL);
  ASSERT_LT(fprintf(fp, "test"), 0);

  ASSERT_EQ(fclose(fp), 0);
}

TEST(fun, test) {
  ASSERT_STREQ("-0x1.4p+0", gc(xasprintf("%a", -1.25)));
  ASSERT_STREQ("0x1p-17", gc(xasprintf("%a", 7.62939453125e-6)));
}