68 lines
3.3 KiB
C
68 lines
3.3 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 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/str/str.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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TEST(strcpy, test) {
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char buf[64];
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EXPECT_STREQ("hello", strcpy(buf, "hello"));
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EXPECT_STREQ("hello there what's up", strcpy(buf, "hello there what's up"));
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}
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TEST(strncpy, test) {
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char b[8] = {0, 1, 2, 3, 4, 5, 6, 7};
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strncpy(b, "key", 8);
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ASSERT_EQ('k', b[0]);
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ASSERT_EQ('e', b[1]);
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ASSERT_EQ('y', b[2]);
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ASSERT_EQ('\0', b[3]);
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ASSERT_EQ('\0', b[4]);
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ASSERT_EQ('\0', b[5]);
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ASSERT_EQ('\0', b[6]);
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ASSERT_EQ('\0', b[7]);
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}
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TEST(strncpy, testSameLength_isNotNulTerminated) {
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char b[8] = {0, 1, 2, 3, 4, 5, 6, 7};
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strncpy(b, "keyword", 7);
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ASSERT_EQ('k', b[0]);
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ASSERT_EQ('e', b[1]);
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ASSERT_EQ('y', b[2]);
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ASSERT_EQ('w', b[3]);
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ASSERT_EQ('o', b[4]);
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ASSERT_EQ('r', b[5]);
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ASSERT_EQ('d', b[6]);
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ASSERT_EQ(7, b[7]);
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}
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BENCH(strcpy, bench) {
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extern char *strcpy_(char *, const char *) asm("strcpy");
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static char buf[1024], buf2[1024];
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memset(buf2, -1, sizeof(buf2) - 1);
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EZBENCH2("strcpy 1", donothing, strcpy_(buf, ""));
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EZBENCH2("strcpy 2", donothing, strcpy_(buf, "1"));
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EZBENCH2("strcpy 7", donothing, strcpy_(buf, "123456"));
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EZBENCH2("strcpy 8", donothing, strcpy_(buf, "1234567"));
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EZBENCH2("strcpy 9", donothing, strcpy_(buf, "12345678"));
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EZBENCH2("strcpy 16", donothing, strcpy_(buf, "123456781234567"));
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EZBENCH2("strcpy 1023", donothing, strcpy_(buf, buf2));
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}
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