futokb/native/dicttoolkit/tests/utils/utf8_utils_test.cpp
Keisuke Kuroyanagi f0c303dd02 Utf8Utils for dicttoolkit.
Bug: 10059681
Change-Id: Ie484ba8096823792f0ac663524d1c02d1be070e9
2014-11-13 10:47:37 +09:00

86 lines
3.0 KiB
C++

/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "utils/utf8_utils.h"
#include <gtest/gtest.h>
#include <vector>
#include "utils/int_array_view.h"
namespace latinime {
namespace dicttoolkit {
namespace {
TEST(Utf8UtilsTests, TestGetCodePoints) {
{
const std::vector<int> codePoints = Utf8Utils::getCodePoints("");
EXPECT_EQ(0u, codePoints.size());
}
{
const std::vector<int> codePoints = Utf8Utils::getCodePoints("test");
EXPECT_EQ(4u, codePoints.size());
EXPECT_EQ('t', codePoints[0]);
EXPECT_EQ('e', codePoints[1]);
EXPECT_EQ('s', codePoints[2]);
EXPECT_EQ('t', codePoints[3]);
}
{
const std::vector<int> codePoints = Utf8Utils::getCodePoints(u8"\u3042a\u03C2\u0410");
EXPECT_EQ(4u, codePoints.size());
EXPECT_EQ(0x3042, codePoints[0]); // HIRAGANA LETTER A
EXPECT_EQ('a', codePoints[1]);
EXPECT_EQ(0x03C2, codePoints[2]); // CYRILLIC CAPITAL LETTER A
EXPECT_EQ(0x0410, codePoints[3]); // GREEK SMALL LETTER FINAL SIGMA
}
{
const std::vector<int> codePoints = Utf8Utils::getCodePoints(u8"\U0001F36A?\U0001F752");
EXPECT_EQ(3u, codePoints.size());
EXPECT_EQ(0x1F36A, codePoints[0]); // COOKIE
EXPECT_EQ('?', codePoints[1]);
EXPECT_EQ(0x1F752, codePoints[2]); // ALCHEMICAL SYMBOL FOR STARRED TRIDENT
}
// Redundant UTF-8 sequences must be rejected.
EXPECT_TRUE(Utf8Utils::getCodePoints("\xC0\xAF").empty());
EXPECT_TRUE(Utf8Utils::getCodePoints("\xE0\x80\xAF").empty());
EXPECT_TRUE(Utf8Utils::getCodePoints("\xF0\x80\x80\xAF").empty());
}
TEST(Utf8UtilsTests, TestGetUtf8String) {
{
const std::vector<int> codePoints = {'t', 'e', 's', 't'};
EXPECT_EQ("test", Utf8Utils::getUtf8String(CodePointArrayView(codePoints)));
}
{
const std::vector<int> codePoints = {
0x00E0 /* LATIN SMALL LETTER A WITH GRAVE */,
0x03C2 /* GREEK SMALL LETTER FINAL SIGMA */,
0x0430 /* CYRILLIC SMALL LETTER A */,
0x3042 /* HIRAGANA LETTER A */,
0x1F36A /* COOKIE */,
0x1F752 /* ALCHEMICAL SYMBOL FOR STARRED TRIDENT */
};
EXPECT_EQ(u8"\u00E0\u03C2\u0430\u3042\U0001F36A\U0001F752",
Utf8Utils::getUtf8String(CodePointArrayView(codePoints)));
}
}
} // namespace
} // namespace dicttoolkit
} // namespace latinime