cosmopolitan/test/libc/str/pututf16_test.c
2020-12-27 17:18:44 -08:00

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/*-*- 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 │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/bits.h"
#include "libc/str/oldutf16.internal.h"
#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);
}