cosmopolitan/test/libc/str/getutf16_test.c

52 lines
2.6 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 │
│ │
│ 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/str/tpdecode.internal.h"
#include "libc/testlib/testlib.h"
TEST(getutf16, testNul) {
wint_t wc;
EXPECT_EQ(1, getutf16(u"", &wc));
EXPECT_EQ('\0', wc);
EXPECT_EQ(1, (getutf16)(u"", &wc));
EXPECT_EQ('\0', wc);
}
TEST(getutf16, testBasic) {
wint_t wc;
EXPECT_EQ(1, getutf16(u"h", &wc));
EXPECT_EQ('h', wc);
EXPECT_EQ(1, (getutf16)(u"h", &wc));
EXPECT_EQ('h', wc);
}
TEST(getutf16, testAegeanNumberSupplementaryPlane) {
wint_t wc;
EXPECT_EQ(4, tpdecode("𐄷", &wc));
EXPECT_EQ(4, tpdecode("\xF0\x90\x84\xB7", &wc));
EXPECT_EQ(0x10137, wc);
EXPECT_EQ(2, strlen16(u"𐄷"));
EXPECT_EQ(2, getutf16(u"𐄷", &wc));
EXPECT_EQ(0x10137, wc);
EXPECT_EQ(2, (getutf16)(u"𐄷", &wc));
EXPECT_EQ(0x10137, wc);
}