Add GZipFileTest

For now, it is a copy of BufferedFileTest.cc

test/GZipFileTest.cc

@@ -0,0 +1,58 @@
+#include "GZipFile.h"
+
+#include <iostream>
+
+#include <cppunit/extensions/HelperMacros.h>
+
+#include "File.h"
+
+namespace aria2 {
+
+class GZipFileTest:public CppUnit::TestFixture {
+
+  CPPUNIT_TEST_SUITE(GZipFileTest);
+  CPPUNIT_TEST(testOpen);
+  CPPUNIT_TEST_SUITE_END();
+public:
+  void testOpen();
+};
+
+
+CPPUNIT_TEST_SUITE_REGISTRATION(GZipFileTest);
+
+void GZipFileTest::testOpen()
+{
+  File f(A2_TEST_OUT_DIR"/aria2_GZipFileTest_testOpen");
+  f.remove();
+  GZipFile fail(f.getPath().c_str(), GZipFile::READ);
+  CPPUNIT_ASSERT(!fail);
+
+  GZipFile wr(f.getPath().c_str(),  GZipFile::WRITE);
+  CPPUNIT_ASSERT(wr);
+  std::string msg = "aria2 rules\nalpha\nbravo\ncharlie";
+  wr.write(msg.data(), msg.size());
+  wr.close();
+
+  GZipFile rd(f.getPath().c_str(), GZipFile::READ);
+  char buf[256];
+  size_t len = rd.read(buf, 11);
+  CPPUNIT_ASSERT_EQUAL((size_t)11, len);
+  buf[len] = '\0';
+  CPPUNIT_ASSERT_EQUAL(std::string("aria2 rules"), std::string(buf));
+
+  CPPUNIT_ASSERT(rd.gets(buf, sizeof(buf)));
+  CPPUNIT_ASSERT_EQUAL(std::string("\n"), std::string(buf));
+
+  CPPUNIT_ASSERT(rd.gets(buf, sizeof(buf)));
+  CPPUNIT_ASSERT_EQUAL(std::string("alpha\n"), std::string(buf));
+
+  CPPUNIT_ASSERT(rd.getsn(buf, sizeof(buf)));
+  CPPUNIT_ASSERT_EQUAL(std::string("bravo"), std::string(buf));
+
+  CPPUNIT_ASSERT(rd.getsn(buf, sizeof(buf)));
+  CPPUNIT_ASSERT_EQUAL(std::string("charlie"), std::string(buf));
+
+  CPPUNIT_ASSERT(rd.eof());
+}
+
+} // namespace aria2

test/Makefile.am

@@ -102,7 +102,8 @@ if HAVE_ZLIB
 aria2c_SOURCES += \
 	GZipDecoder.cc GZipDecoder.h\
 	GZipDecoderTest.cc GZipEncoderTest.cc\
-	GZipDecodingStreamFilterTest.cc
+	GZipDecodingStreamFilterTest.cc\
+	GZipFileTest.cc
 endif # HAVE_ZLIB
 
 if HAVE_SQLITE3