mirror of
https://github.com/jart/cosmopolitan.git
synced 2024-05-15 10:02:41 +00:00
41396ff48a
- Fix handling of precision in hex float formatting - Enhance the cocmd interpreter for system() and popen() - Manually ran the Lua unit tests, which are now passing - Let stdio i/o operations happen when file is in error state - We're now saving and restoring xmm in ftrace out of paranoia
61 lines
2.9 KiB
C
61 lines
2.9 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 2022 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/stdio/stdio.h"
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#include "libc/testlib/testlib.h"
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char testlib_enable_tmp_setup_teardown;
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TEST(fread, eofIsSticky) {
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FILE *fo, *fi;
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char b[10] = "hello";
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ASSERT_NE(NULL, (fo = fopen("foo", "w")));
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ASSERT_NE(NULL, (fi = fopen("foo", "r")));
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ASSERT_EQ(0, fread(b, 1, 8, fi));
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ASSERT_TRUE(feof(fi));
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ASSERT_EQ(8, fwrite(b, 1, 8, fo));
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ASSERT_EQ(0, fflush(fo));
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ASSERT_EQ(4, fread(b, 1, 4, fi));
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ASSERT_TRUE(feof(fi));
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clearerr(fi);
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ASSERT_EQ(4, fread(b, 1, 10, fi));
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ASSERT_TRUE(feof(fi));
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ASSERT_EQ(0, fseek(fi, 0, SEEK_SET));
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ASSERT_FALSE(feof(fi));
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ASSERT_EQ(0, fclose(fi));
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ASSERT_EQ(0, fclose(fo));
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}
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TEST(fread, seekWithBuffer) {
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FILE *f;
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char b[8] = "hellosup";
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char c[8] = {0};
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char d[8] = {0};
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ASSERT_NE(NULL, (f = fopen("foo", "w")));
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ASSERT_EQ(8, fwrite(b, 1, 8, f));
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ASSERT_EQ(0, fclose(f));
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ASSERT_NE(NULL, (f = fopen("foo", "r")));
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ASSERT_EQ(5, fread(c, 1, 5, f));
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ASSERT_STREQ("hello", c);
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ASSERT_EQ(0, fseek(f, 1, SEEK_SET));
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ASSERT_EQ(5, fread(d, 1, 5, f));
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ASSERT_STREQ("ellos", d);
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ASSERT_EQ(0, fclose(f));
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}
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