cosmopolitan/test/libc/str/tprecode16to8_test.c

67 lines
3.2 KiB
C

/*-*- 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/mem/mem.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/hyperion.h"
#include "libc/testlib/testlib.h"
TEST(tprecode16to8, test) {
char b[128];
EXPECT_EQ(69, tprecode16to8(b, 128, u"(╯°□°)╯︵L┻━┻ 𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷𐌸𐌹").ax);
EXPECT_STREQ("(╯°□°)╯︵L┻━┻ 𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷𐌸𐌹", b);
}
TEST(tprecode16to8, testEmptyOut_doesNothingButStillCountsSrcLength) {
axdx_t r;
r = tprecode16to8(NULL, 0, u"hi");
EXPECT_EQ(0, r.ax);
EXPECT_EQ(3, r.dx);
}
TEST(tprecode16to8, testTooLittle_stillNulTerminates) {
axdx_t r;
char b[2] = {1, 2};
r = tprecode16to8(b, 2, u"hi");
EXPECT_EQ(1, r.ax);
EXPECT_EQ(3, r.dx);
EXPECT_EQ('h', b[0]);
EXPECT_EQ(0, b[1]);
}
TEST(tprecode16to8, testAscii_vectorSpeedupWorks) {
size_t size = 32;
char *buf = tmalloc(size);
EXPECT_EQ(31,
tprecode16to8(buf, size, u"babaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").ax);
EXPECT_STREQ("babaaaaaaaaaaaaaaaaaaaaaaaaaaaa", buf);
tfree(buf);
}
BENCH(tprecode16to8, bench) {
char *buf8 = malloc(kHyperionSize + 1);
char16_t *buf16 = malloc((kHyperionSize + 1) * 2);
tprecode8to16(buf16, kHyperionSize + 1, kHyperion);
EZBENCH2("tprecode16to8", donothing,
tprecode16to8(buf8, kHyperionSize + 1, buf16));
free(buf16);
free(buf8);
}