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83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
/*
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* Copyright (C) 2013 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "wtf/testing/WTFTestHelpers.h"
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#include <ios> // NOLINT
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#include <ostream> // NOLINT
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#include "flutter/sky/engine/wtf/text/WTFString.h"
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namespace WTF {
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std::ostream& operator<<(std::ostream& out, const String& string)
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{
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if (string.isNull())
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return out << "<null>";
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out << '"';
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for (unsigned index = 0; index < string.length(); ++index) {
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// Print shorthands for select cases.
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UChar character = string[index];
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switch (character) {
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case '\t':
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out << "\\t";
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break;
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case '\n':
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out << "\\n";
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break;
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case '\r':
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out << "\\r";
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break;
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case '"':
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out << "\\\"";
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break;
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case '\\':
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out << "\\\\";
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break;
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default:
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if (character >= 0x20 && character < 0x7F) {
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out << static_cast<char>(character);
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} else {
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// Print "\uXXXX" for control or non-ASCII characters.
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out << "\\u";
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out.width(4);
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out.fill('0');
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out.setf(std::ios_base::hex, std::ios_base::basefield);
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out.setf(std::ios::uppercase);
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out << character;
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}
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break;
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}
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}
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return out << '"';
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}
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} // namespace WTF
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