//          Copyright Ferdinand Majerech 2011.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)

module dyaml.testreader;


import dyaml.testcommon;
import dyaml.reader;


/**
 * Try reading entire stream through Reader, expecting an error (the stream is invalid).
 *
 * Params:  verbose = Print verbose output?
 *          data    = Stream to read.
 */     
void runReader(in bool verbose, Stream stream)
{
    try
    {
        auto reader = new Reader(stream);
        while(reader.peek() != '\0'){reader.forward();}
    }
    catch(ReaderException e)
    {
        if(verbose){writeln(typeid(e).toString(), "\n", e);}
        return;
    }
    assert(false, "Expected an exception");
}


/**
 * Stream error unittest. Tries to read invalid input streams, expecting errors.
 *
 * Params:  verbose       = Print verbose output?
 *          errorFilename = File name to read from.
 */
void testStreamError(bool verbose, string errorFilename)
{
    auto file = new File(errorFilename);
    scope(exit){file.close();}
    runReader(verbose, file);
}

unittest 
{
    writeln("D:YAML Reader unittest");
    run("testStreamError", &testStreamError, ["stream-error"]);
}