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authorJeff Davidson <jpd@google.com>2015-01-15 22:48:58 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2015-01-15 22:48:58 +0000
commit77a6b2f4cdd580d57630f079db1d908d7fd90a54 (patch)
tree586f7d5e9a7e05af45d0e821188097c0faa96219 /src/google/protobuf/io/zero_copy_stream_unittest.cc
parentc7c25812eb19d080087b71e08bfe35aff9f21433 (diff)
parenta3b2a6da25a76f17c73d31def3952feb0fd2296e (diff)
downloadexternal_protobuf-77a6b2f4cdd580d57630f079db1d908d7fd90a54.zip
external_protobuf-77a6b2f4cdd580d57630f079db1d908d7fd90a54.tar.gz
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Merge "Update protobuf library from 2.3 to 2.6."
Diffstat (limited to 'src/google/protobuf/io/zero_copy_stream_unittest.cc')
-rw-r--r--src/google/protobuf/io/zero_copy_stream_unittest.cc262
1 files changed, 253 insertions, 9 deletions
diff --git a/src/google/protobuf/io/zero_copy_stream_unittest.cc b/src/google/protobuf/io/zero_copy_stream_unittest.cc
index 8229ee6..75eb2a4 100644
--- a/src/google/protobuf/io/zero_copy_stream_unittest.cc
+++ b/src/google/protobuf/io/zero_copy_stream_unittest.cc
@@ -61,6 +61,7 @@
#include <sstream>
#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/io/coded_stream.h>
#if HAVE_ZLIB
#include <google/protobuf/io/gzip_stream.h>
@@ -285,6 +286,57 @@ TEST_F(IoTest, ArrayIo) {
}
}
+TEST_F(IoTest, TwoSessionWrite) {
+ // Test that two concatenated write sessions read correctly
+
+ static const char* strA = "0123456789";
+ static const char* strB = "WhirledPeas";
+ const int kBufferSize = 2*1024;
+ uint8* buffer = new uint8[kBufferSize];
+ char* temp_buffer = new char[40];
+
+ for (int i = 0; i < kBlockSizeCount; i++) {
+ for (int j = 0; j < kBlockSizeCount; j++) {
+ ArrayOutputStream* output =
+ new ArrayOutputStream(buffer, kBufferSize, kBlockSizes[i]);
+ CodedOutputStream* coded_output = new CodedOutputStream(output);
+ coded_output->WriteVarint32(strlen(strA));
+ coded_output->WriteRaw(strA, strlen(strA));
+ delete coded_output; // flush
+ int64 pos = output->ByteCount();
+ delete output;
+ output = new ArrayOutputStream(
+ buffer + pos, kBufferSize - pos, kBlockSizes[i]);
+ coded_output = new CodedOutputStream(output);
+ coded_output->WriteVarint32(strlen(strB));
+ coded_output->WriteRaw(strB, strlen(strB));
+ delete coded_output; // flush
+ int64 size = pos + output->ByteCount();
+ delete output;
+
+ ArrayInputStream* input =
+ new ArrayInputStream(buffer, size, kBlockSizes[j]);
+ CodedInputStream* coded_input = new CodedInputStream(input);
+ uint32 insize;
+ EXPECT_TRUE(coded_input->ReadVarint32(&insize));
+ EXPECT_EQ(strlen(strA), insize);
+ EXPECT_TRUE(coded_input->ReadRaw(temp_buffer, insize));
+ EXPECT_EQ(0, memcmp(temp_buffer, strA, insize));
+
+ EXPECT_TRUE(coded_input->ReadVarint32(&insize));
+ EXPECT_EQ(strlen(strB), insize);
+ EXPECT_TRUE(coded_input->ReadRaw(temp_buffer, insize));
+ EXPECT_EQ(0, memcmp(temp_buffer, strB, insize));
+
+ delete coded_input;
+ delete input;
+ }
+ }
+
+ delete [] temp_buffer;
+ delete [] buffer;
+}
+
#if HAVE_ZLIB
TEST_F(IoTest, GzipIo) {
const int kBufferSize = 2*1024;
@@ -296,9 +348,49 @@ TEST_F(IoTest, GzipIo) {
int size;
{
ArrayOutputStream output(buffer, kBufferSize, kBlockSizes[i]);
- GzipOutputStream gzout(
- &output, GzipOutputStream::GZIP, gzip_buffer_size);
+ GzipOutputStream::Options options;
+ options.format = GzipOutputStream::GZIP;
+ if (gzip_buffer_size != -1) {
+ options.buffer_size = gzip_buffer_size;
+ }
+ GzipOutputStream gzout(&output, options);
+ WriteStuff(&gzout);
+ gzout.Close();
+ size = output.ByteCount();
+ }
+ {
+ ArrayInputStream input(buffer, size, kBlockSizes[j]);
+ GzipInputStream gzin(
+ &input, GzipInputStream::GZIP, gzip_buffer_size);
+ ReadStuff(&gzin);
+ }
+ }
+ }
+ }
+ delete [] buffer;
+}
+
+TEST_F(IoTest, GzipIoWithFlush) {
+ const int kBufferSize = 2*1024;
+ uint8* buffer = new uint8[kBufferSize];
+ // We start with i = 4 as we want a block size > 6. With block size <= 6
+ // Flush() fills up the entire 2K buffer with flush markers and the test
+ // fails. See documentation for Flush() for more detail.
+ for (int i = 4; i < kBlockSizeCount; i++) {
+ for (int j = 0; j < kBlockSizeCount; j++) {
+ for (int z = 0; z < kBlockSizeCount; z++) {
+ int gzip_buffer_size = kBlockSizes[z];
+ int size;
+ {
+ ArrayOutputStream output(buffer, kBufferSize, kBlockSizes[i]);
+ GzipOutputStream::Options options;
+ options.format = GzipOutputStream::GZIP;
+ if (gzip_buffer_size != -1) {
+ options.buffer_size = gzip_buffer_size;
+ }
+ GzipOutputStream gzout(&output, options);
WriteStuff(&gzout);
+ EXPECT_TRUE(gzout.Flush());
gzout.Close();
size = output.ByteCount();
}
@@ -314,6 +406,64 @@ TEST_F(IoTest, GzipIo) {
delete [] buffer;
}
+TEST_F(IoTest, GzipIoContiguousFlushes) {
+ const int kBufferSize = 2*1024;
+ uint8* buffer = new uint8[kBufferSize];
+
+ int block_size = kBlockSizes[4];
+ int gzip_buffer_size = block_size;
+ int size;
+
+ ArrayOutputStream output(buffer, kBufferSize, block_size);
+ GzipOutputStream::Options options;
+ options.format = GzipOutputStream::GZIP;
+ if (gzip_buffer_size != -1) {
+ options.buffer_size = gzip_buffer_size;
+ }
+ GzipOutputStream gzout(&output, options);
+ WriteStuff(&gzout);
+ EXPECT_TRUE(gzout.Flush());
+ EXPECT_TRUE(gzout.Flush());
+ gzout.Close();
+ size = output.ByteCount();
+
+ ArrayInputStream input(buffer, size, block_size);
+ GzipInputStream gzin(
+ &input, GzipInputStream::GZIP, gzip_buffer_size);
+ ReadStuff(&gzin);
+
+ delete [] buffer;
+}
+
+TEST_F(IoTest, GzipIoReadAfterFlush) {
+ const int kBufferSize = 2*1024;
+ uint8* buffer = new uint8[kBufferSize];
+
+ int block_size = kBlockSizes[4];
+ int gzip_buffer_size = block_size;
+ int size;
+ ArrayOutputStream output(buffer, kBufferSize, block_size);
+ GzipOutputStream::Options options;
+ options.format = GzipOutputStream::GZIP;
+ if (gzip_buffer_size != -1) {
+ options.buffer_size = gzip_buffer_size;
+ }
+
+ GzipOutputStream gzout(&output, options);
+ WriteStuff(&gzout);
+ EXPECT_TRUE(gzout.Flush());
+ size = output.ByteCount();
+
+ ArrayInputStream input(buffer, size, block_size);
+ GzipInputStream gzin(
+ &input, GzipInputStream::GZIP, gzip_buffer_size);
+ ReadStuff(&gzin);
+
+ gzout.Close();
+
+ delete [] buffer;
+}
+
TEST_F(IoTest, ZlibIo) {
const int kBufferSize = 2*1024;
uint8* buffer = new uint8[kBufferSize];
@@ -324,8 +474,12 @@ TEST_F(IoTest, ZlibIo) {
int size;
{
ArrayOutputStream output(buffer, kBufferSize, kBlockSizes[i]);
- GzipOutputStream gzout(
- &output, GzipOutputStream::ZLIB, gzip_buffer_size);
+ GzipOutputStream::Options options;
+ options.format = GzipOutputStream::ZLIB;
+ if (gzip_buffer_size != -1) {
+ options.buffer_size = gzip_buffer_size;
+ }
+ GzipOutputStream gzout(&output, options);
WriteStuff(&gzout);
gzout.Close();
size = output.ByteCount();
@@ -348,7 +502,9 @@ TEST_F(IoTest, ZlibIoInputAutodetect) {
int size;
{
ArrayOutputStream output(buffer, kBufferSize);
- GzipOutputStream gzout(&output, GzipOutputStream::ZLIB);
+ GzipOutputStream::Options options;
+ options.format = GzipOutputStream::ZLIB;
+ GzipOutputStream gzout(&output, options);
WriteStuff(&gzout);
gzout.Close();
size = output.ByteCount();
@@ -360,7 +516,9 @@ TEST_F(IoTest, ZlibIoInputAutodetect) {
}
{
ArrayOutputStream output(buffer, kBufferSize);
- GzipOutputStream gzout(&output, GzipOutputStream::GZIP);
+ GzipOutputStream::Options options;
+ options.format = GzipOutputStream::GZIP;
+ GzipOutputStream gzout(&output, options);
WriteStuff(&gzout);
gzout.Close();
size = output.ByteCount();
@@ -402,9 +560,10 @@ TEST_F(IoTest, CompressionOptions) {
// Some ad-hoc testing of compression options.
string golden;
- File::ReadFileToStringOrDie(
- TestSourceDir() + "/google/protobuf/testdata/golden_message",
- &golden);
+ GOOGLE_CHECK_OK(File::GetContents(
+ TestSourceDir() +
+ "/google/protobuf/testdata/golden_message",
+ &golden, true));
GzipOutputStream::Options options;
string gzip_compressed = Compress(golden, options);
@@ -432,6 +591,71 @@ TEST_F(IoTest, CompressionOptions) {
EXPECT_TRUE(Uncompress(gzip_compressed) == golden);
EXPECT_TRUE(Uncompress(zlib_compressed) == golden);
}
+
+TEST_F(IoTest, TwoSessionWriteGzip) {
+ // Test that two concatenated gzip streams can be read correctly
+
+ static const char* strA = "0123456789";
+ static const char* strB = "QuickBrownFox";
+ const int kBufferSize = 2*1024;
+ uint8* buffer = new uint8[kBufferSize];
+ char* temp_buffer = new char[40];
+
+ for (int i = 0; i < kBlockSizeCount; i++) {
+ for (int j = 0; j < kBlockSizeCount; j++) {
+ ArrayOutputStream* output =
+ new ArrayOutputStream(buffer, kBufferSize, kBlockSizes[i]);
+ GzipOutputStream* gzout = new GzipOutputStream(output);
+ CodedOutputStream* coded_output = new CodedOutputStream(gzout);
+ int32 outlen = strlen(strA) + 1;
+ coded_output->WriteVarint32(outlen);
+ coded_output->WriteRaw(strA, outlen);
+ delete coded_output; // flush
+ delete gzout; // flush
+ int64 pos = output->ByteCount();
+ delete output;
+ output = new ArrayOutputStream(
+ buffer + pos, kBufferSize - pos, kBlockSizes[i]);
+ gzout = new GzipOutputStream(output);
+ coded_output = new CodedOutputStream(gzout);
+ outlen = strlen(strB) + 1;
+ coded_output->WriteVarint32(outlen);
+ coded_output->WriteRaw(strB, outlen);
+ delete coded_output; // flush
+ delete gzout; // flush
+ int64 size = pos + output->ByteCount();
+ delete output;
+
+ ArrayInputStream* input =
+ new ArrayInputStream(buffer, size, kBlockSizes[j]);
+ GzipInputStream* gzin = new GzipInputStream(input);
+ CodedInputStream* coded_input = new CodedInputStream(gzin);
+ uint32 insize;
+ EXPECT_TRUE(coded_input->ReadVarint32(&insize));
+ EXPECT_EQ(strlen(strA) + 1, insize);
+ EXPECT_TRUE(coded_input->ReadRaw(temp_buffer, insize));
+ EXPECT_EQ(0, memcmp(temp_buffer, strA, insize))
+ << "strA=" << strA << " in=" << temp_buffer;
+
+ EXPECT_TRUE(coded_input->ReadVarint32(&insize));
+ EXPECT_EQ(strlen(strB) + 1, insize);
+ EXPECT_TRUE(coded_input->ReadRaw(temp_buffer, insize));
+ EXPECT_EQ(0, memcmp(temp_buffer, strB, insize))
+ << " out_block_size=" << kBlockSizes[i]
+ << " in_block_size=" << kBlockSizes[j]
+ << " pos=" << pos
+ << " size=" << size
+ << " strB=" << strB << " in=" << temp_buffer;
+
+ delete coded_input;
+ delete gzin;
+ delete input;
+ }
+ }
+
+ delete [] temp_buffer;
+ delete [] buffer;
+}
#endif
// There is no string input, only string output. Also, it doesn't support
@@ -700,6 +924,26 @@ TEST_F(IoTest, LimitingInputStream) {
ReadStuff(&input);
}
+// Checks that ByteCount works correctly for LimitingInputStreams where the
+// underlying stream has already been read.
+TEST_F(IoTest, LimitingInputStreamByteCount) {
+ const int kHalfBufferSize = 128;
+ const int kBufferSize = kHalfBufferSize * 2;
+ uint8 buffer[kBufferSize];
+
+ // Set up input. Only allow half to be read at once.
+ ArrayInputStream array_input(buffer, kBufferSize, kHalfBufferSize);
+ const void* data;
+ int size;
+ EXPECT_TRUE(array_input.Next(&data, &size));
+ EXPECT_EQ(kHalfBufferSize, array_input.ByteCount());
+ // kHalfBufferSize - 1 to test limiting logic as well.
+ LimitingInputStream input(&array_input, kHalfBufferSize - 1);
+ EXPECT_EQ(0, input.ByteCount());
+ EXPECT_TRUE(input.Next(&data, &size));
+ EXPECT_EQ(kHalfBufferSize - 1 , input.ByteCount());
+}
+
// Check that a zero-size array doesn't confuse the code.
TEST(ZeroSizeArray, Input) {
ArrayInputStream input(NULL, 0);