[glib] Add unit tests for some more methods

[Paolo Borelli <pborelli src gnome org>]

commit cdf00a6a9b98574dd4a06779de43612b9c8fa42a
Author: Paolo Borelli <pborelli gnome org>
Date:   Tue Dec 8 17:05:09 2009 +0100

    Add unit tests for some more methods

 gio/tests/buffered-input-stream.c |   83 ++++++++++++++++++++++++++++++++++++-
 1 files changed, 82 insertions(+), 1 deletions(-)
---
diff --git a/gio/tests/buffered-input-stream.c b/gio/tests/buffered-input-stream.c
index ceb38b9..8d111e6 100644
--- a/gio/tests/buffered-input-stream.c
+++ b/gio/tests/buffered-input-stream.c
@@ -26,6 +26,83 @@
 #include <string.h>
 
 static void
+test_peek (void)
+{
+  GInputStream *base;
+  GInputStream *in;
+  gssize npeek;
+  char *buffer;
+
+  base = g_memory_input_stream_new_from_data ("abcdefghijk", -1, NULL);
+  in = g_buffered_input_stream_new_sized (base, 64);
+
+  g_buffered_input_stream_fill (G_BUFFERED_INPUT_STREAM (in), strlen ("abcdefghijk"), NULL, NULL);
+
+  buffer = g_new0 (char, 64);
+  npeek = g_buffered_input_stream_peek (G_BUFFERED_INPUT_STREAM (in), buffer, 2, 3);
+  g_assert_cmpint (npeek, ==, 3);
+  g_assert_cmpstr ("cde", ==, buffer);
+  g_free (buffer);
+
+  buffer = g_new0 (char, 64);
+  npeek = g_buffered_input_stream_peek (G_BUFFERED_INPUT_STREAM (in), buffer, 9, 5);
+  g_assert_cmpint (npeek, ==, 2);
+  g_assert_cmpstr ("jk", ==, buffer);
+  g_free (buffer);
+
+  buffer = g_new0 (char, 64);
+  npeek = g_buffered_input_stream_peek (G_BUFFERED_INPUT_STREAM (in), buffer, 75, 3);
+  g_assert_cmpint (npeek, ==, 0);
+  g_free (buffer);
+
+  g_object_unref (in);
+}
+
+static void
+test_peek_buffer (void)
+{
+  GInputStream *base;
+  GInputStream *in;
+  gssize nfill;
+  gsize bufsize;
+  char *buffer;
+
+  base = g_memory_input_stream_new_from_data ("abcdefghijk", -1, NULL);
+  in = g_buffered_input_stream_new (base);
+
+  nfill = g_buffered_input_stream_fill (G_BUFFERED_INPUT_STREAM (in), strlen ("abcdefghijk"), NULL, NULL);
+  buffer = (char *) g_buffered_input_stream_peek_buffer (G_BUFFERED_INPUT_STREAM (in), &bufsize);
+  g_assert_cmpint (nfill, ==, bufsize);
+  g_assert (0 == strncmp ("abcdefghijk", buffer, bufsize));
+
+  g_object_unref (in);
+}
+
+static void
+test_set_buffer_size (void)
+{
+  GInputStream *base;
+  GInputStream *in;
+  gsize size, bufsize;
+
+  base = g_memory_input_stream_new_from_data ("abcdefghijk", -1, NULL);
+  in = g_buffered_input_stream_new (base);
+
+  g_buffered_input_stream_set_buffer_size (G_BUFFERED_INPUT_STREAM (in), 64);
+  size = g_buffered_input_stream_get_buffer_size (G_BUFFERED_INPUT_STREAM (in));
+  g_assert_cmpint (size, ==, 64);
+
+  /* size cannot shrink below current content len */
+  g_buffered_input_stream_fill (G_BUFFERED_INPUT_STREAM (in), strlen ("abcdefghijk"), NULL, NULL);
+  g_buffered_input_stream_peek_buffer (G_BUFFERED_INPUT_STREAM (in), &bufsize);
+  g_buffered_input_stream_set_buffer_size (G_BUFFERED_INPUT_STREAM (in), 2);
+  size = g_buffered_input_stream_get_buffer_size (G_BUFFERED_INPUT_STREAM (in));
+  g_assert_cmpint (size, ==, bufsize);
+
+  g_object_unref (in);
+}
+
+static void
 test_read_byte (void)
 {
   GInputStream *base;
@@ -43,8 +120,9 @@ test_read_byte (void)
   g_assert_cmpint (g_input_stream_skip (in, 3, NULL, NULL), ==, 3);
   
   g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, NULL), ==, 'g');
-}
 
+  g_object_unref (in);
+}
 
 int
 main (int   argc,
@@ -54,6 +132,9 @@ main (int   argc,
   g_test_init (&argc, &argv, NULL);
   g_test_bug_base ("http://bugzilla.gnome.org/";);
 
+  g_test_add_func ("/buffered-input-stream/peek", test_peek);
+  g_test_add_func ("/buffered-input-stream/peek-buffer", test_peek_buffer);
+  g_test_add_func ("/buffered-input-stream/set-buffer-size", test_set_buffer_size);
   g_test_add_func ("/buffered-input-stream/read-byte", test_read_byte);
 
   return g_test_run();