cosmopolitan/test/libc/str/pututf16_test.c

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2020-06-15 14:18:57 +00:00
/*-*- 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/str/oldutf16.internal.h"
2020-06-15 14:18:57 +00:00
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"
#include "libc/unicode/unicode.h"
unsigned n;
size_t size;
wchar_t *str;
char16_t *b, *buf;
TEST(pututf16, testEmpty) {
EXPECT_EQ(0, pututf16(NULL, 0, u'j', false));
EXPECT_EQ(0, (pututf16)(NULL, 0, u'j', false));
}
TEST(pututf16, testNul) {
size = 1;
buf = tmalloc(size * sizeof(char16_t));
EXPECT_EQ(1, pututf16(buf, size, u'\0', false));
EXPECT_EQ(u'\0', buf[0]);
buf[0] = '\7';
EXPECT_EQ(1, (pututf16)(buf, size, u'\0', false));
EXPECT_EQ(u'\0', buf[0]);
tfree(buf);
}
TEST(pututf16, testAscii) {
size = 1;
buf = tmalloc(size * sizeof(char16_t));
EXPECT_EQ(1, pututf16(buf, size, u'j', false));
EXPECT_EQ(u'j', buf[0]);
EXPECT_EQ(1, (pututf16)(buf, size, u't', false));
EXPECT_EQ(u't', buf[0]);
tfree(buf);
}
TEST(pututf16, testGothicSupplementaryPlane) {
size = 2;
buf = tmalloc(size * sizeof(char16_t));
EXPECT_EQ(2, pututf16(buf, size, L'𐌰', false));
EXPECT_STREQN(u"𐌰", buf, 1);
EXPECT_EQ(2, (pututf16)(buf, size, L'𐌱', false));
EXPECT_STREQN(u"𐌱", buf, 1);
tfree(buf);
}
TEST(pututf16, testEmojiAndEmojiPresentationModifier_areBothInAstralPlanes) {
n = 8;
b = tgc(tmalloc(sizeof(char16_t) * n));
str = L"\U0001F466\U0001F3FF";
memset(b, 0, n * sizeof(char16_t));
EXPECT_EQ(2, pututf16(b, n, str[0], false));
EXPECT_BINEQ(u"=╪f▄    ", b);
memset(b, 0, n * sizeof(char16_t));
EXPECT_EQ(2, pututf16(b, n, str[1], false));
EXPECT_BINEQ(u"<╪λ▀    ", b);
}