Squashed 'third_party/protobuf/' content from commit e35e248
Change-Id: I6cbe123d09fe50fdcad0e51466665daeee7433c7
git-subtree-dir: third_party/protobuf
git-subtree-split: e35e24800fb8d694bdeea5fd63dc7d1b14d68723
diff --git a/src/google/protobuf/stubs/bytestream_unittest.cc b/src/google/protobuf/stubs/bytestream_unittest.cc
new file mode 100644
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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <google/protobuf/stubs/bytestream.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <algorithm>
+
+#include <google/protobuf/testing/googletest.h>
+#include <gtest/gtest.h>
+
+namespace google {
+namespace protobuf {
+namespace strings {
+namespace {
+
+// We use this class instead of ArrayByteSource to simulate a ByteSource that
+// contains multiple fragments. ArrayByteSource returns the entire array in
+// one fragment.
+class MockByteSource : public ByteSource {
+ public:
+ MockByteSource(StringPiece data, int block_size)
+ : data_(data), block_size_(block_size) {}
+
+ size_t Available() const { return data_.size(); }
+ StringPiece Peek() {
+ return data_.substr(0, block_size_);
+ }
+ void Skip(size_t n) { data_.remove_prefix(n); }
+
+ private:
+ StringPiece data_;
+ int block_size_;
+};
+
+TEST(ByteSourceTest, CopyTo) {
+ StringPiece data("Hello world!");
+ MockByteSource source(data, 3);
+ string str;
+ StringByteSink sink(&str);
+
+ source.CopyTo(&sink, data.size());
+ EXPECT_EQ(data, str);
+}
+
+TEST(ByteSourceTest, CopySubstringTo) {
+ StringPiece data("Hello world!");
+ MockByteSource source(data, 3);
+ source.Skip(1);
+ string str;
+ StringByteSink sink(&str);
+
+ source.CopyTo(&sink, data.size() - 2);
+ EXPECT_EQ(data.substr(1, data.size() - 2), str);
+ EXPECT_EQ("!", source.Peek());
+}
+
+TEST(ByteSourceTest, LimitByteSource) {
+ StringPiece data("Hello world!");
+ MockByteSource source(data, 3);
+ LimitByteSource limit_source(&source, 6);
+ EXPECT_EQ(6, limit_source.Available());
+ limit_source.Skip(1);
+ EXPECT_EQ(5, limit_source.Available());
+
+ {
+ string str;
+ StringByteSink sink(&str);
+ limit_source.CopyTo(&sink, limit_source.Available());
+ EXPECT_EQ("ello ", str);
+ EXPECT_EQ(0, limit_source.Available());
+ EXPECT_EQ(6, source.Available());
+ }
+
+ {
+ string str;
+ StringByteSink sink(&str);
+ source.CopyTo(&sink, source.Available());
+ EXPECT_EQ("world!", str);
+ EXPECT_EQ(0, source.Available());
+ }
+}
+
+TEST(ByteSourceTest, CopyToStringByteSink) {
+ StringPiece data("Hello world!");
+ MockByteSource source(data, 3);
+ string str;
+ StringByteSink sink(&str);
+ source.CopyTo(&sink, data.size());
+ EXPECT_EQ(data, str);
+}
+
+// Verify that ByteSink is subclassable and Flush() overridable.
+class FlushingByteSink : public StringByteSink {
+ public:
+ explicit FlushingByteSink(string* dest) : StringByteSink(dest) {}
+ virtual void Flush() { Append("z", 1); }
+ private:
+ GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FlushingByteSink);
+};
+
+// Write and Flush via the ByteSink superclass interface.
+void WriteAndFlush(ByteSink* s) {
+ s->Append("abc", 3);
+ s->Flush();
+}
+
+TEST(ByteSinkTest, Flush) {
+ string str;
+ FlushingByteSink f_sink(&str);
+ WriteAndFlush(&f_sink);
+ EXPECT_STREQ("abcz", str.c_str());
+}
+
+} // namespace
+} // namespace strings
+} // namespace protobuf
+} // namespace google