Raise BadElementError if Stream#serialize is called on a bad Stream object.

diff --git a/ChangeLog b/ChangeLog
index 0bde4f367c209a63ebb645ba4b88f8d86f8c735f..26487df17b9e73c62ba6bc4990c85db7217f6872 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,10 +1,13 @@
 --
-$Id: ChangeLog 61 2005-06-09 17:33:48Z tilman $
+$Id: ChangeLog 62 2005-06-09 17:42:34Z tilman $
 ++
 
 2005-06-09 Tilman Sauerbeck (tilman at code-monkey de)
         * ext/ext.c: Object#to_eet: Don't put the final chunk in a stream
           again, it's not needed
+        * ext/ext.c, test/test_stream.rb: If Stream#serialize is called on
+          a stream that includes non-Chunk elements, BadElementError is
+          raised
 
 2005-06-08 Tilman Sauerbeck (tilman at code-monkey de)
         * ext/ext.c, lib/eet.rb, test/test_basic.rb:

diff --git a/ext/ext.c b/ext/ext.c
index 22ccb19aef5582dbe94c7c5d2c38760ddf3ce0e8..8fe22e30e328c40ebb2fc4f3b12e0dc3e54863e9 100644 (file)
--- a/ext/ext.c
+++ b/ext/ext.c
@@ -1,5 +1,5 @@
 /*
- * $Id: ext.c 61 2005-06-09 17:33:48Z tilman $
+ * $Id: ext.c 62 2005-06-09 17:42:34Z tilman $
  *
  * Copyright (c) 2005 Tilman Sauerbeck (tilman at code-monkey de)
  *
@@ -47,7 +47,8 @@
 static VALUE c_close (VALUE self);
 
 static VALUE cStream, cChunk,
-             eEetError, eNameError, ePropError,
+             eEetError, eNameError, ePropError, eStreamError,
+             eBadElementError,
              sym_lossy, sym_level, sym_quality, sym_char, sym_short,
              sym_long_long, sym_double;
 static ID id_include, id_serialize, id_push, id_keys,
@@ -450,7 +451,12 @@ stream_serialize (VALUE self)
                return ret;
 
        for (i = 0; i < stream->len; i++) {
-               VALUE str = rb_funcall (stream->ptr[i], id_serialize, 0, NULL);
+               VALUE str;
+
+               if (rb_obj_is_kind_of (stream->ptr[i], cChunk) == Qfalse)
+                       rb_raise (eBadElementError, "stream member is not a Chunk");
+
+               str = rb_funcall (stream->ptr[i], id_serialize, 0, NULL);
 
                rb_str_append (ret, str);
        }
@@ -685,6 +691,9 @@ Init_eet_ext ()
        eEetError = rb_define_class_under (m, "EetError", rb_eStandardError);
        eNameError = rb_define_class_under (m, "NameError", eEetError);
        ePropError = rb_define_class_under (m, "PropertyError", eEetError);
+       eStreamError = rb_define_class_under (m, "StreamError", eEetError);
+       eBadElementError = rb_define_class_under (m, "BadElementError",
+                                                 eStreamError);
 
        id_include = rb_intern ("include?");
        id_serialize = rb_intern ("serialize");

diff --git a/test/test_stream.rb b/test/test_stream.rb
index 68e7ea4408762ce138cd394e01aa49ac40cd163f..d203d9dd260f5c9b82f838db4f1f01186bc72551 100644 (file)
--- a/test/test_stream.rb
+++ b/test/test_stream.rb
@@ -1,4 +1,4 @@
-# $Id: test_stream.rb 1 2005-03-26 01:45:38Z tilman $
+# $Id: test_stream.rb 62 2005-06-09 17:42:34Z tilman $
 
 require "eet"
 require "test/unit"
@@ -39,4 +39,13 @@ class StreamTest < Test::Unit::TestCase
 
                assert_equal([], stream)
        end
+
+       def test_broken_stream
+               stream = Eet::Stream.new
+               stream << "FooBarBaz"
+
+               assert_raise(Eet::BadElementError) do
+                       stream.serialize
+               end
+       end
 end