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authorAvneesh Saluja <asaluja@gmail.com>2013-03-28 18:28:16 -0700
committerAvneesh Saluja <asaluja@gmail.com>2013-03-28 18:28:16 -0700
commit5b8253e0e1f1393a509fb9975ba8c1347af758ed (patch)
tree1790470b1d07a0b4973ebce19192e896566ea60b /klm/util/read_compressed_test.cc
parent2389a5a8a43dda87c355579838559515b0428421 (diff)
parentb203f8c5dc8cff1b9c9c2073832b248fcad0765a (diff)
fixed conflicts
Diffstat (limited to 'klm/util/read_compressed_test.cc')
-rw-r--r--klm/util/read_compressed_test.cc109
1 files changed, 109 insertions, 0 deletions
diff --git a/klm/util/read_compressed_test.cc b/klm/util/read_compressed_test.cc
new file mode 100644
index 00000000..9cb4a4b9
--- /dev/null
+++ b/klm/util/read_compressed_test.cc
@@ -0,0 +1,109 @@
+#include "util/read_compressed.hh"
+
+#include "util/file.hh"
+#include "util/have.hh"
+
+#define BOOST_TEST_MODULE ReadCompressedTest
+#include <boost/test/unit_test.hpp>
+#include <boost/scoped_ptr.hpp>
+
+#include <fstream>
+#include <string>
+
+#include <stdlib.h>
+
+namespace util {
+namespace {
+
+void ReadLoop(ReadCompressed &reader, void *to_void, std::size_t amount) {
+ uint8_t *to = static_cast<uint8_t*>(to_void);
+ while (amount) {
+ std::size_t ret = reader.Read(to, amount);
+ BOOST_REQUIRE(ret);
+ to += ret;
+ amount -= ret;
+ }
+}
+
+const uint32_t kSize4 = 100000 / 4;
+
+std::string WriteRandom() {
+ char name[] = "tempXXXXXX";
+ scoped_fd original(mkstemp(name));
+ BOOST_REQUIRE(original.get() > 0);
+ for (uint32_t i = 0; i < kSize4; ++i) {
+ WriteOrThrow(original.get(), &i, sizeof(uint32_t));
+ }
+ return name;
+}
+
+void VerifyRead(ReadCompressed &reader) {
+ for (uint32_t i = 0; i < kSize4; ++i) {
+ uint32_t got;
+ ReadLoop(reader, &got, sizeof(uint32_t));
+ BOOST_CHECK_EQUAL(i, got);
+ }
+
+ char ignored;
+ BOOST_CHECK_EQUAL((std::size_t)0, reader.Read(&ignored, 1));
+ // Test double EOF call.
+ BOOST_CHECK_EQUAL((std::size_t)0, reader.Read(&ignored, 1));
+}
+
+void TestRandom(const char *compressor) {
+ std::string name(WriteRandom());
+
+ char gzname[] = "tempXXXXXX";
+ scoped_fd gzipped(mkstemp(gzname));
+
+ std::string command(compressor);
+#ifdef __CYGWIN__
+ command += ".exe";
+#endif
+ command += " <\"";
+ command += name;
+ command += "\" >\"";
+ command += gzname;
+ command += "\"";
+ BOOST_REQUIRE_EQUAL(0, system(command.c_str()));
+
+ BOOST_CHECK_EQUAL(0, unlink(name.c_str()));
+ BOOST_CHECK_EQUAL(0, unlink(gzname));
+
+ ReadCompressed reader(gzipped.release());
+ VerifyRead(reader);
+}
+
+BOOST_AUTO_TEST_CASE(Uncompressed) {
+ TestRandom("cat");
+}
+
+#ifdef HAVE_ZLIB
+BOOST_AUTO_TEST_CASE(ReadGZ) {
+ TestRandom("gzip");
+}
+#endif // HAVE_ZLIB
+
+#ifdef HAVE_BZLIB
+BOOST_AUTO_TEST_CASE(ReadBZ) {
+ TestRandom("bzip2");
+}
+#endif // HAVE_BZLIB
+
+#ifdef HAVE_XZLIB
+BOOST_AUTO_TEST_CASE(ReadXZ) {
+ TestRandom("xz");
+}
+#endif
+
+BOOST_AUTO_TEST_CASE(IStream) {
+ std::string name(WriteRandom());
+ std::fstream stream(name.c_str(), std::ios::in);
+ BOOST_CHECK_EQUAL(0, unlink(name.c_str()));
+ ReadCompressed reader;
+ reader.Reset(stream);
+ VerifyRead(reader);
+}
+
+} // namespace
+} // namespace util