cosmopolitan/test/libc/str/tprecode8to16_test.c

82 lines
3.6 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/bits/bits.h"
#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(tprecode8to16, test) {
size_t size = 8;
char16_t *buf = tmalloc(size * sizeof(char16_t));
EXPECT_EQ(7, tprecode8to16(buf, size, "hello☻♥").ax);
EXPECT_STREQ(u"hello☻♥", buf);
tfree(buf);
}
TEST(tprecode8to16, testEmptyOut_doesNothingButStillCountsSrcLength) {
axdx_t r;
r = tprecode8to16(NULL, 0, "hi");
EXPECT_EQ(0, r.ax);
EXPECT_EQ(3, r.dx);
}
TEST(tprecode8to16, testOnlyRoomForNul_writesIt) {
axdx_t r;
char16_t b[1] = {1};
r = tprecode8to16(b, 1, "hi");
EXPECT_EQ(0, r.ax);
EXPECT_EQ(3, r.dx);
EXPECT_EQ(0, b[0]);
}
TEST(tprecode8to16, testTooLittle_stillNulTerminates) {
axdx_t r;
char16_t b[2] = {1, 2};
r = tprecode8to16(b, 2, "hi");
EXPECT_EQ(1, r.ax);
EXPECT_EQ(3, r.dx);
EXPECT_EQ('h', b[0]);
EXPECT_EQ(0, b[1]);
}
TEST(tprecode8to16, test2) {
char16_t b[128];
EXPECT_EQ(34, tprecode8to16(b, 128, "(╯°□°)╯︵L┻━┻ 𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷𐌸𐌹").ax);
EXPECT_STREQ(u"(╯°□°)╯︵L┻━┻ 𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷𐌸𐌹", b);
}
TEST(tprecode8to16, testAscii_vectorSpeedupWorks) {
size_t size = 32;
char16_t *buf = tmalloc(size * sizeof(char16_t));
EXPECT_EQ(31,
tprecode8to16(buf, size, "babaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").ax);
EXPECT_STREQ(u"babaaaaaaaaaaaaaaaaaaaaaaaaaaaa", buf);
tfree(buf);
}
BENCH(tprecode8to16, bench) {
char16_t *buf = malloc((kHyperionSize + 1) * 2);
EZBENCH2("tprecode8to16", donothing,
tprecode8to16(buf, kHyperionSize, kHyperion));
free(buf);
}