1 files changed, 41 insertions, 0 deletions
diff --git a/klm/util/file_piece_test.cc b/klm/util/file_piece_test.cc
new file mode 100644
index 00000000..befb7866
--- /dev/null
+++ b/klm/util/file_piece_test.cc
@@ -0,0 +1,41 @@
+#include "util/file_piece.hh"
+
+#define BOOST_TEST_MODULE FilePieceTest
+#include <boost/test/unit_test.hpp>
+#include <fstream>
+#include <iostream>
+
+namespace util {
+namespace {
+
+/* mmap implementation */
+BOOST_AUTO_TEST_CASE(MMapLine) {
+  std::fstream ref("file_piece.cc", std::ios::in);
+  FilePiece test("file_piece.cc", NULL, 1);
+  std::string ref_line;
+  while (getline(ref, ref_line)) {
+    StringPiece test_line(test.ReadLine());
+    // I submitted a bug report to ICU: http://bugs.icu-project.org/trac/ticket/7924
+    if (!test_line.empty() || !ref_line.empty()) {
+      BOOST_CHECK_EQUAL(ref_line, test_line);
+    }
+  }
+}
+
+/* read() implementation */
+BOOST_AUTO_TEST_CASE(ReadLine) {
+  std::fstream ref("file_piece.cc", std::ios::in);
+  FilePiece test("file_piece.cc", NULL, 1);
+  test.ForceFallbackToRead();
+  std::string ref_line;
+  while (getline(ref, ref_line)) {
+    StringPiece test_line(test.ReadLine());
+    // I submitted a bug report to ICU: http://bugs.icu-project.org/trac/ticket/7924
+    if (!test_line.empty() || !ref_line.empty()) {
+      BOOST_CHECK_EQUAL(ref_line, test_line);
+    }
+  }
+}
+
+} // namespace
+} // namespace util