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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "device/bluetooth/string_util_icu.h"
#include "base/strings/utf_string_conversions.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace device {
TEST(StringUtilICUTest, HasGraphicCharacter) {
// Contain Graphic Characters.
EXPECT_TRUE(HasGraphicCharacter("A"));
EXPECT_TRUE(HasGraphicCharacter("#"));
EXPECT_TRUE(HasGraphicCharacter("3"));
EXPECT_TRUE(HasGraphicCharacter("\u2764" /* Heart Symbol */));
EXPECT_TRUE(HasGraphicCharacter(" A"));
EXPECT_TRUE(HasGraphicCharacter("A "));
EXPECT_TRUE(HasGraphicCharacter(" A "));
std::string nulls_at_start(5, '\0');
nulls_at_start[4] = 'A';
EXPECT_TRUE(HasGraphicCharacter(nulls_at_start));
std::string nulls_at_end(5, '\0');
nulls_at_end[0] = 'A';
EXPECT_TRUE(HasGraphicCharacter(nulls_at_end));
std::string surrounded_by_nulls(5, '\0');
surrounded_by_nulls[2] = 'A';
EXPECT_TRUE(HasGraphicCharacter(surrounded_by_nulls));
// Do not contain Graphic Characters.
EXPECT_FALSE(HasGraphicCharacter(""));
EXPECT_FALSE(HasGraphicCharacter(std::string(3, '\0')));
EXPECT_FALSE(HasGraphicCharacter("\n\t\v\b\r "));
// Unicode Control characters.
EXPECT_FALSE(HasGraphicCharacter("\u0000\u001f\u007f\u009f"));
}
} // namespace device
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