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Add a regression test for GConverterOutputStream corruption
See bug #619945 for background
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@ -558,6 +558,59 @@ test_compressor (void)
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g_object_unref (compressor);
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}
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#define DATA_LENGTH 1000000
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static void
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test_corruption (void)
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{
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GError *error = NULL;
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guint32 *data0, *data1;
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gsize data1_size;
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gint i;
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GInputStream *istream0, *istream1, *cistream1;
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GOutputStream *ostream1, *ostream2, *costream1;
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GConverter *compressor, *decompressor;
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data0 = g_malloc (DATA_LENGTH * sizeof (guint32));
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for (i = 0; i < DATA_LENGTH; i++)
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data0[i] = g_random_int ();
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istream0 = g_memory_input_stream_new_from_data (data0,
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DATA_LENGTH * sizeof (guint32), NULL);
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ostream1 = g_memory_output_stream_new (NULL, 0, g_realloc, NULL);
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compressor = G_CONVERTER (g_zlib_compressor_new (
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G_ZLIB_COMPRESSOR_FORMAT_GZIP, -1));
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costream1 = g_converter_output_stream_new (ostream1, compressor);
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g_output_stream_splice (costream1, istream0, 0, NULL, &error);
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g_assert_no_error (error);
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g_object_unref (costream1);
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g_object_unref (compressor);
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data1 = g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (ostream1));
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data1_size = g_memory_output_stream_get_data_size (
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G_MEMORY_OUTPUT_STREAM (ostream1));
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g_object_unref (ostream1);
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g_object_unref (istream0);
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istream1 = g_memory_input_stream_new_from_data (data1, data1_size, NULL);
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decompressor = G_CONVERTER (g_zlib_decompressor_new (
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G_ZLIB_COMPRESSOR_FORMAT_GZIP));
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cistream1 = g_converter_input_stream_new (istream1, decompressor);
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ostream2 = g_memory_output_stream_new (NULL, 0, g_realloc, NULL);
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g_output_stream_splice (ostream2, cistream1, 0, NULL, &error);
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g_assert_no_error (error);
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g_assert_cmpuint (DATA_LENGTH * sizeof (guint32), ==,
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g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (ostream2)));
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g_assert (memcmp (data0, g_memory_output_stream_get_data (
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G_MEMORY_OUTPUT_STREAM (ostream2)), DATA_LENGTH * sizeof (guint32)) == 0);
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}
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int
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main (int argc,
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char *argv[])
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@ -567,6 +620,7 @@ main (int argc,
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g_test_add_func ("/converter-input-stream/expander", test_expander);
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g_test_add_func ("/converter-input-stream/compressor", test_compressor);
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g_test_add_func ("/converter-output-stream/corruption", test_corruption);
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return g_test_run();
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}
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