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Justine Tunney 2020-06-15 07:18:57 -07:00
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test/libc/stdio/getline_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 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/bits/bits.h"
#include "libc/mem/mem.h"
#include "libc/stdio/stdio.h"
#include "libc/testlib/testlib.h"
TEST(getline, testEmpty) {
FILE *f = fmemopen(NULL, BUFSIZ, "r+");
char *line = NULL;
size_t linesize = 0;
EXPECT_EQ(-1, getline(&line, &linesize, f));
EXPECT_TRUE(feof(f));
EXPECT_FALSE(ferror(f));
EXPECT_EQ(0, fclose(f));
free(line);
}
TEST(getline, testOneWithoutLineFeed) {
FILE *f = fmemopen(NULL, BUFSIZ, "r+");
ASSERT_EQ(5, fwrite("hello", 1, 5, f));
char *line = NULL;
size_t linesize = 0;
ASSERT_EQ(5, getline(&line, &linesize, f));
EXPECT_STREQ("hello", line);
EXPECT_TRUE(feof(f));
EXPECT_FALSE(ferror(f));
ASSERT_EQ(-1, getline(&line, &linesize, f));
EXPECT_EQ(0, fclose(f));
free(line);
}
TEST(getline, testTwoLines) {
FILE *f = fmemopen(NULL, BUFSIZ, "r+");
ASSERT_EQ(12, fwrite("hello\nthere\n", 1, 12, f));
char *line = NULL;
size_t linesize = 0;
ASSERT_EQ(6, getline(&line, &linesize, f));
EXPECT_STREQ("hello\n", line);
EXPECT_FALSE(feof(f) | ferror(f));
ASSERT_EQ(6, getline(&line, &linesize, f));
EXPECT_STREQ("there\n", line);
ASSERT_EQ(-1, getline(&line, &linesize, f));
EXPECT_STREQ("", line);
EXPECT_EQ(0, fclose(f));
free(line);
}
TEST(getline, testBinaryLine_countExcludesOnlyTheBonusNul) {
FILE *f = fmemopen(NULL, BUFSIZ, "r+");
fwrite("he\0\3o\n", 1, 6, f);
char *line = NULL;
size_t linesize = 0;
ASSERT_EQ(6, getline(&line, &linesize, f));
EXPECT_BINEQ(u"he ♥o◙ ", line);
fclose(f);
free(line);
}