[Boost-commit] svn:boost r39041 - sandbox-branches/birbacher/fix_iostreams/libs/iostreams/test

From: Frank.Birbacher_at_[hidden]
Date: 2007-08-28 12:40:35

Author: birbacher
Date: 2007-08-28 12:40:33 EDT (Tue, 28 Aug 2007)
New Revision: 39041
URL: http://svn.boost.org/trac/boost/changeset/39041

Log:
added test for checking the error reporting of iostreams::stream
Added:
   sandbox-branches/birbacher/fix_iostreams/libs/iostreams/test/error_test.cpp   (contents, props changed)
Text files modified: 
   sandbox-branches/birbacher/fix_iostreams/libs/iostreams/test/Jamfile.v2 |     1 +                                       
   1 files changed, 1 insertions(+), 0 deletions(-)

Modified: sandbox-branches/birbacher/fix_iostreams/libs/iostreams/test/Jamfile.v2
==============================================================================
--- sandbox-branches/birbacher/fix_iostreams/libs/iostreams/test/Jamfile.v2	(original)
+++ sandbox-branches/birbacher/fix_iostreams/libs/iostreams/test/Jamfile.v2	2007-08-28 12:40:33 EDT (Tue, 28 Aug 2007)
@@ -46,6 +46,7 @@
           [ test-iostreams counter_test.cpp ]
           [ test-iostreams direct_adapter_test.cpp ]
           [ test-iostreams example_test.cpp ]
+          [ test-iostreams error_test.cpp ]
           [ test-iostreams file_test.cpp ]
           [ test-iostreams 
                 file_descriptor_test.cpp 

Added: sandbox-branches/birbacher/fix_iostreams/libs/iostreams/test/error_test.cpp
==============================================================================
--- (empty file)
+++ sandbox-branches/birbacher/fix_iostreams/libs/iostreams/test/error_test.cpp	2007-08-28 12:40:33 EDT (Tue, 28 Aug 2007)
@@ -0,0 +1,93 @@
+#include <boost/iostreams/categories.hpp>  // tags.
+#include <boost/iostreams/detail/ios.hpp>  // openmode, seekdir, int types.
+#include <boost/iostreams/detail/error.hpp>
+#include <boost/iostreams/positioning.hpp>
+#include <boost/iostreams/stream.hpp>
+#include <boost/test/test_tools.hpp>
+#include <boost/test/unit_test.hpp>
+
+namespace bio = boost::iostreams;
+using boost::unit_test::test_suite;
+
+struct error_device
+{
+    typedef char   char_type;
+    typedef bio::seekable_device_tag category;
+    
+    error_device(char const*) {}
+    
+    std::streamsize read(char_type* s, std::streamsize n);
+    std::streamsize write(const char_type* s, std::streamsize n);
+    std::streampos seek(bio::stream_offset off, BOOST_IOS::seekdir way);
+    
+};
+
+std::streamsize error_device::read(char_type*, std::streamsize)
+{
+    throw bio::detail::bad_read();
+}
+
+std::streamsize error_device::write(const char_type*, std::streamsize)
+{
+    throw bio::detail::bad_write();
+}
+
+std::streampos error_device::seek(bio::stream_offset, BOOST_IOS::seekdir)
+{
+    throw bio::detail::bad_seek();
+}
+
+typedef bio::stream<error_device> test_stream;
+
+void test_read()
+{
+    test_stream stream("foo");
+    char data[10];
+    try{
+        stream.read(data, 10);
+        BOOST_CHECK_MESSAGE(stream.fail(), "stream did not fail");
+    }catch(...){
+        BOOST_CHECK(false);
+    }
+}
+void test_write()
+{
+    test_stream stream("foo");
+    char data[10] = {0};
+    try{
+        stream.write(data, 10);
+        BOOST_CHECK_MESSAGE(stream.fail(), "stream did not fail");
+    }catch(...){
+        BOOST_CHECK(false);
+    }
+}
+void test_seekg()
+{
+    test_stream stream("foo");
+    try{
+        stream.seekg(10);
+        BOOST_CHECK_MESSAGE(stream.fail(), "stream did not fail");
+    }catch(...){
+        BOOST_CHECK(false);
+    }
+}
+void test_seekp()
+{
+    test_stream stream("foo");
+    try{
+        stream.seekp(10);
+        BOOST_CHECK_MESSAGE(stream.fail(), "stream did not fail");
+    }catch(...){
+        BOOST_CHECK(false);
+    }
+}
+
+test_suite* init_unit_test_suite(int, char* []) 
+{
+    test_suite* test = BOOST_TEST_SUITE("error test");
+    test->add(BOOST_TEST_CASE(&test_read));
+    test->add(BOOST_TEST_CASE(&test_write));
+    test->add(BOOST_TEST_CASE(&test_seekg));
+    test->add(BOOST_TEST_CASE(&test_seekp));
+    return test;
+}