--- /dev/null
+/* GLib testing framework examples and tests
+ * Copyright (C) 2009 Red Hat, Inc.
+ * Authors: Alexander Larsson <alexl@redhat.com>
+ *
+ * This work is provided "as is"; redistribution and modification
+ * in whole or in part, in any medium, physical or electronic is
+ * permitted without restriction.
+ *
+ * This work is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * In no event shall the authors or contributors be liable for any
+ * direct, indirect, incidental, special, exemplary, or consequential
+ * damages (including, but not limited to, procurement of substitute
+ * goods or services; loss of use, data, or profits; or business
+ * interruption) however caused and on any theory of liability, whether
+ * in contract, strict liability, or tort (including negligence or
+ * otherwise) arising in any way out of the use of this software, even
+ * if advised of the possibility of such damage.
+ */
+
+#include <glib/glib.h>
+#include <gio/gio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define G_TYPE_EXPANDER_CONVERTER (g_expander_converter_get_type ())
+#define G_EXPANDER_CONVERTER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_EXPANDER_CONVERTER, GExpanderConverter))
+#define G_EXPANDER_CONVERTER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_EXPANDER_CONVERTER, GExpanderConverterClass))
+#define G_IS_EXPANDER_CONVERTER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_EXPANDER_CONVERTER))
+#define G_IS_EXPANDER_CONVERTER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_EXPANDER_CONVERTER))
+#define G_EXPANDER_CONVERTER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_EXPANDER_CONVERTER, GExpanderConverterClass))
+
+typedef struct _GExpanderConverter GExpanderConverter;
+typedef struct _GExpanderConverterClass GExpanderConverterClass;
+
+struct _GExpanderConverterClass
+{
+ GObjectClass parent_class;
+};
+
+GType g_expander_converter_get_type (void) G_GNUC_CONST;
+GConverter *g_expander_converter_new (void);
+
+
+
+static void g_expander_converter_iface_init (GConverterIface *iface);
+
+struct _GExpanderConverter
+{
+ GObject parent_instance;
+};
+
+G_DEFINE_TYPE_WITH_CODE (GExpanderConverter, g_expander_converter, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE (G_TYPE_CONVERTER,
+ g_expander_converter_iface_init))
+
+static void
+g_expander_converter_class_init (GExpanderConverterClass *klass)
+{
+}
+
+static void
+g_expander_converter_init (GExpanderConverter *local)
+{
+}
+
+GConverter *
+g_expander_converter_new (void)
+{
+ GConverter *conv;
+
+ conv = g_object_new (G_TYPE_EXPANDER_CONVERTER, NULL);
+
+ return conv;
+}
+
+static void
+g_expander_converter_reset (GConverter *converter)
+{
+}
+
+static GConverterResult
+g_expander_converter_convert (GConverter *converter,
+ const void *inbuf,
+ gsize inbuf_size,
+ void *outbuf,
+ gsize outbuf_size,
+ GConverterFlags flags,
+ gsize *bytes_read,
+ gsize *bytes_written,
+ GError **error)
+{
+ GExpanderConverter *conv;
+ const guint8 *in, *in_end;
+ guint8 v, *out;
+ int i;
+ gsize block_size;
+
+ conv = G_EXPANDER_CONVERTER (converter);
+
+ in = inbuf;
+ out = outbuf;
+ in_end = in + inbuf_size;
+
+ while (in < in_end)
+ {
+ v = *in;
+
+ if (v == 0)
+ block_size = 10;
+ else
+ block_size = v * 1000;
+
+ if (outbuf_size < block_size)
+ {
+ if (*bytes_read > 0)
+ return G_CONVERTER_CONVERTED;
+
+ g_set_error_literal (error, G_IO_ERROR,
+ G_IO_ERROR_NO_SPACE,
+ "No space in dest");
+ return G_CONVERTER_ERROR;
+ }
+
+ in++;
+ *bytes_read += 1;
+ *bytes_written += block_size;
+ outbuf_size -= block_size;
+ for (i = 0; i < block_size; i++)
+ *out++ = v;
+ }
+
+ if (in == in_end && (flags & G_CONVERTER_INPUT_AT_END))
+ return G_CONVERTER_FINISHED;
+ return G_CONVERTER_CONVERTED;
+}
+
+static void
+g_expander_converter_iface_init (GConverterIface *iface)
+{
+ iface->convert = g_expander_converter_convert;
+ iface->reset = g_expander_converter_reset;
+}
+
+#define G_TYPE_COMPRESSOR_CONVERTER (g_compressor_converter_get_type ())
+#define G_COMPRESSOR_CONVERTER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_COMPRESSOR_CONVERTER, GCompressorConverter))
+#define G_COMPRESSOR_CONVERTER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_COMPRESSOR_CONVERTER, GCompressorConverterClass))
+#define G_IS_COMPRESSOR_CONVERTER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_COMPRESSOR_CONVERTER))
+#define G_IS_COMPRESSOR_CONVERTER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_COMPRESSOR_CONVERTER))
+#define G_COMPRESSOR_CONVERTER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_COMPRESSOR_CONVERTER, GCompressorConverterClass))
+
+typedef struct _GCompressorConverter GCompressorConverter;
+typedef struct _GCompressorConverterClass GCompressorConverterClass;
+
+struct _GCompressorConverterClass
+{
+ GObjectClass parent_class;
+};
+
+GType g_compressor_converter_get_type (void) G_GNUC_CONST;
+GConverter *g_compressor_converter_new (void);
+
+
+
+static void g_compressor_converter_iface_init (GConverterIface *iface);
+
+struct _GCompressorConverter
+{
+ GObject parent_instance;
+};
+
+G_DEFINE_TYPE_WITH_CODE (GCompressorConverter, g_compressor_converter, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE (G_TYPE_CONVERTER,
+ g_compressor_converter_iface_init))
+
+static void
+g_compressor_converter_class_init (GCompressorConverterClass *klass)
+{
+}
+
+static void
+g_compressor_converter_init (GCompressorConverter *local)
+{
+}
+
+GConverter *
+g_compressor_converter_new (void)
+{
+ GConverter *conv;
+
+ conv = g_object_new (G_TYPE_COMPRESSOR_CONVERTER, NULL);
+
+ return conv;
+}
+
+static void
+g_compressor_converter_reset (GConverter *converter)
+{
+}
+
+static GConverterResult
+g_compressor_converter_convert (GConverter *converter,
+ const void *inbuf,
+ gsize inbuf_size,
+ void *outbuf,
+ gsize outbuf_size,
+ GConverterFlags flags,
+ gsize *bytes_read,
+ gsize *bytes_written,
+ GError **error)
+{
+ GCompressorConverter *conv;
+ const guint8 *in, *in_end;
+ guint8 v, *out;
+ int i;
+ gsize block_size;
+
+ conv = G_COMPRESSOR_CONVERTER (converter);
+
+ in = inbuf;
+ out = outbuf;
+ in_end = in + inbuf_size;
+
+ while (in < in_end)
+ {
+ v = *in;
+
+ if (v == 0)
+ {
+ block_size = 0;
+ while (in+block_size < in_end && *(in+block_size) == 0)
+ block_size ++;
+ }
+ else
+ block_size = v * 1000;
+
+ /* Not enough data */
+ if (in_end - in < block_size)
+ {
+ if (*bytes_read > 0)
+ break;
+ g_set_error_literal (error, G_IO_ERROR,
+ G_IO_ERROR_PARTIAL_INPUT,
+ "Need more data");
+ return G_CONVERTER_ERROR;
+ }
+
+ for (i = 0; i < block_size; i++)
+ {
+ if (*(in + i) != v)
+ {
+ if (*bytes_read > 0)
+ break;
+ g_set_error_literal (error, G_IO_ERROR,
+ G_IO_ERROR_INVALID_DATA,
+ "invalid data");
+ return G_CONVERTER_ERROR;
+ }
+ }
+
+ if (v == 0 && in_end - in == block_size && (flags & G_CONVERTER_INPUT_AT_END) == 0)
+ {
+ if (*bytes_read > 0)
+ break;
+ g_set_error_literal (error, G_IO_ERROR,
+ G_IO_ERROR_PARTIAL_INPUT,
+ "Need more data");
+ return G_CONVERTER_ERROR;
+ }
+
+ in += block_size;
+ *out++ = v;
+ *bytes_read += block_size;
+ *bytes_written += 1;
+ }
+
+ if (in == in_end && (flags & G_CONVERTER_INPUT_AT_END))
+ return G_CONVERTER_FINISHED;
+ return G_CONVERTER_CONVERTED;
+}
+
+static void
+g_compressor_converter_iface_init (GConverterIface *iface)
+{
+ iface->convert = g_compressor_converter_convert;
+ iface->reset = g_compressor_converter_reset;
+}
+
+guint8 unexpanded_data[] = { 0,1,3,4,5,6,7,3,12,0,0};
+
+static void
+test_expander (void)
+{
+ guint8 *converted1, *converted2, *ptr;
+ gsize n_read, n_written;
+ gsize total_read;
+ gssize res;
+ GConverterResult cres;
+ GInputStream *mem;
+ GConverterInputStream *cstream;
+ GOutputStream *mem_out;
+ GConverterOutputStream *cstream_out;
+ GConverter *expander;
+ GError *error;
+ int i;
+
+ expander = g_expander_converter_new ();
+
+ converted1 = g_malloc (100*1000); /* Large enough */
+ converted2 = g_malloc (100*1000); /* Large enough */
+
+ cres = g_converter_convert (expander,
+ unexpanded_data, sizeof(unexpanded_data),
+ converted1, 100*1000,
+ G_CONVERTER_INPUT_AT_END,
+ &n_read, &n_written, NULL);
+
+ g_assert (cres == G_CONVERTER_FINISHED);
+ g_assert (n_read == 11);
+ g_assert (n_written == 41030);
+
+ g_converter_reset (expander);
+
+ mem = g_memory_input_stream_new_from_data (unexpanded_data,
+ sizeof (unexpanded_data),
+ NULL);
+ cstream = g_converter_input_stream_new (mem, expander);
+ g_object_unref (mem);
+
+ total_read = 0;
+ ptr = converted2;
+ while (TRUE)
+ {
+ error = NULL;
+ res = g_input_stream_read (G_INPUT_STREAM (cstream),
+ ptr, 1,
+ NULL, &error);
+ g_assert (res != -1);
+ if (res == 0)
+ break;
+ ptr += res;
+ total_read += res;
+ }
+
+ g_assert (total_read == n_written);
+ g_assert (memcmp (converted1, converted2, n_written) == 0);
+
+ g_converter_reset (expander);
+
+ mem_out = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
+ cstream_out = g_converter_output_stream_new (mem_out, expander);
+ g_object_unref (mem_out);
+
+ for (i = 0; i < sizeof(unexpanded_data); i++)
+ {
+ error = NULL;
+ res = g_output_stream_write (G_OUTPUT_STREAM (cstream_out),
+ unexpanded_data + i, 1,
+ NULL, &error);
+ g_assert (res != -1);
+ if (res == 0)
+ {
+ g_assert (i == sizeof(unexpanded_data) -1);
+ break;
+ }
+ g_assert (res == 1);
+ }
+
+ g_output_stream_close (G_OUTPUT_STREAM (cstream_out), NULL, NULL);
+
+ g_assert (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mem_out)) == n_written);
+ g_assert (memcmp (g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mem_out)),
+ converted1,
+ n_written) == 0);
+
+ g_free (converted1);
+ g_free (converted2);
+ g_object_unref (cstream);
+ g_object_unref (cstream_out);
+ g_object_unref (expander);
+}
+
+static void
+test_compressor (void)
+{
+ guint8 *converted, *expanded, *ptr;
+ gsize n_read, expanded_size;
+ gsize total_read;
+ gssize res;
+ GConverterResult cres;
+ GInputStream *mem;
+ GOutputStream *mem_out;
+ GConverterInputStream *cstream;
+ GConverterOutputStream *cstream_out;
+ GConverter *expander, *compressor;
+ GError *error;
+ int i;
+
+ expander = g_expander_converter_new ();
+ expanded = g_malloc (100*1000); /* Large enough */
+ cres = g_converter_convert (expander,
+ unexpanded_data, sizeof(unexpanded_data),
+ expanded, 100*1000,
+ G_CONVERTER_INPUT_AT_END,
+ &n_read, &expanded_size, NULL);
+ g_assert (cres == G_CONVERTER_FINISHED);
+ g_assert (n_read == 11);
+ g_assert (expanded_size == 41030);
+
+ compressor = g_compressor_converter_new ();
+
+ converted = g_malloc (100*1000); /* Large enough */
+
+ mem = g_memory_input_stream_new_from_data (expanded,
+ expanded_size,
+ NULL);
+ cstream = g_converter_input_stream_new (mem, compressor);
+ g_object_unref (mem);
+
+ total_read = 0;
+ ptr = converted;
+ while (TRUE)
+ {
+ error = NULL;
+ res = g_input_stream_read (G_INPUT_STREAM (cstream),
+ ptr, 1,
+ NULL, &error);
+ g_assert (res != -1);
+ if (res == 0)
+ break;
+ ptr += res;
+ total_read += res;
+ }
+
+ g_assert (total_read == n_read - 1); /* Last 2 zeros are combined */
+ g_assert (memcmp (converted, unexpanded_data, total_read) == 0);
+
+ g_object_unref (cstream);
+
+ g_converter_reset (compressor);
+
+ mem_out = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
+ cstream_out = g_converter_output_stream_new (mem_out, compressor);
+ g_object_unref (mem_out);
+
+ for (i = 0; i < expanded_size; i++)
+ {
+ error = NULL;
+ res = g_output_stream_write (G_OUTPUT_STREAM (cstream_out),
+ expanded + i, 1,
+ NULL, &error);
+ g_assert (res != -1);
+ if (res == 0)
+ {
+ g_assert (i == expanded_size -1);
+ break;
+ }
+ g_assert (res == 1);
+ }
+
+ g_output_stream_close (G_OUTPUT_STREAM (cstream_out), NULL, NULL);
+
+ g_assert (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mem_out)) == n_read - 1); /* Last 2 zeros are combined */
+ g_assert (memcmp (g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mem_out)),
+ unexpanded_data,
+ g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mem_out))) == 0);
+
+ g_object_unref (cstream_out);
+
+ g_converter_reset (compressor);
+
+ memset (expanded, 5, 5*1000*2);
+
+ mem = g_memory_input_stream_new_from_data (expanded,
+ 5*1000,
+ NULL);
+ cstream = g_converter_input_stream_new (mem, compressor);
+ g_object_unref (mem);
+
+ total_read = 0;
+ ptr = converted;
+ while (TRUE)
+ {
+ error = NULL;
+ res = g_input_stream_read (G_INPUT_STREAM (cstream),
+ ptr, 1,
+ NULL, &error);
+ g_assert (res != -1);
+ if (res == 0)
+ break;
+ ptr += res;
+ total_read += res;
+ }
+
+ g_assert (total_read == 1);
+ g_assert (*converted == 5);
+
+ mem = g_memory_input_stream_new_from_data (expanded,
+ 5*1000 * 2,
+ NULL);
+ cstream = g_converter_input_stream_new (mem, compressor);
+ g_object_unref (mem);
+
+ total_read = 0;
+ ptr = converted;
+ while (TRUE)
+ {
+ error = NULL;
+ res = g_input_stream_read (G_INPUT_STREAM (cstream),
+ ptr, 1,
+ NULL, &error);
+ g_assert (res != -1);
+ if (res == 0)
+ break;
+ ptr += res;
+ total_read += res;
+ }
+
+ g_assert (total_read == 2);
+ g_assert (converted[0] == 5);
+ g_assert (converted[1] == 5);
+
+ g_object_unref (cstream);
+
+ g_converter_reset (compressor);
+
+ mem = g_memory_input_stream_new_from_data (expanded,
+ 5*1000 * 2 - 1,
+ NULL);
+ cstream = g_converter_input_stream_new (mem, compressor);
+ g_object_unref (mem);
+
+ total_read = 0;
+ ptr = converted;
+ while (TRUE)
+ {
+ error = NULL;
+ res = g_input_stream_read (G_INPUT_STREAM (cstream),
+ ptr, 1,
+ NULL, &error);
+ if (res == -1)
+ {
+ g_assert_error (error, G_IO_ERROR, G_IO_ERROR_PARTIAL_INPUT);
+ break;
+ }
+
+ g_assert (res != 0);
+ ptr += res;
+ total_read += res;
+ }
+
+ g_assert (total_read == 1);
+ g_assert (converted[0] == 5);
+
+ g_object_unref (cstream);
+
+ g_free (expanded);
+ g_free (converted);
+ g_object_unref (expander);
+ g_object_unref (compressor);
+}
+
+int
+main (int argc,
+ char *argv[])
+{
+ g_type_init ();
+ g_test_init (&argc, &argv, NULL);
+
+ g_test_add_func ("/converter-input-stream/expander", test_expander);
+ g_test_add_func ("/converter-input-stream/compressor", test_compressor);
+
+ return g_test_run();
+}
projects / dana / cg-glib.git / blobdiff