76 lines
3.4 KiB
C
76 lines
3.4 KiB
C
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/*-*- 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 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/bits/bits.h"
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#include "libc/mem/mem.h"
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#include "libc/stdio/stdio.h"
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#include "libc/testlib/testlib.h"
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TEST(getline, testEmpty) {
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FILE *f = fmemopen(NULL, BUFSIZ, "r+");
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char *line = NULL;
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size_t linesize = 0;
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EXPECT_EQ(-1, getline(&line, &linesize, f));
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EXPECT_TRUE(feof(f));
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EXPECT_FALSE(ferror(f));
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EXPECT_EQ(0, fclose(f));
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free(line);
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}
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TEST(getline, testOneWithoutLineFeed) {
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FILE *f = fmemopen(NULL, BUFSIZ, "r+");
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ASSERT_EQ(5, fwrite("hello", 1, 5, f));
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char *line = NULL;
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size_t linesize = 0;
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ASSERT_EQ(5, getline(&line, &linesize, f));
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EXPECT_STREQ("hello", line);
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EXPECT_TRUE(feof(f));
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EXPECT_FALSE(ferror(f));
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ASSERT_EQ(-1, getline(&line, &linesize, f));
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EXPECT_EQ(0, fclose(f));
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free(line);
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}
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TEST(getline, testTwoLines) {
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FILE *f = fmemopen(NULL, BUFSIZ, "r+");
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ASSERT_EQ(12, fwrite("hello\nthere\n", 1, 12, f));
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char *line = NULL;
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size_t linesize = 0;
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ASSERT_EQ(6, getline(&line, &linesize, f));
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EXPECT_STREQ("hello\n", line);
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EXPECT_FALSE(feof(f) | ferror(f));
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ASSERT_EQ(6, getline(&line, &linesize, f));
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EXPECT_STREQ("there\n", line);
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ASSERT_EQ(-1, getline(&line, &linesize, f));
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EXPECT_STREQ("", line);
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EXPECT_EQ(0, fclose(f));
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free(line);
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}
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TEST(getline, testBinaryLine_countExcludesOnlyTheBonusNul) {
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FILE *f = fmemopen(NULL, BUFSIZ, "r+");
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fwrite("he\0\3o\n", 1, 6, f);
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char *line = NULL;
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size_t linesize = 0;
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ASSERT_EQ(6, getline(&line, &linesize, f));
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EXPECT_BINEQ(u"he ♥o◙ ", line);
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fclose(f);
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free(line);
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}
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