gstvalue.c

gnash 在pc和嵌入式下开发需要的源码

/* GStreamer
 * Copyright (C) <2004> David Schleef <david at schleef dot org>
 * Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
 *
 * gstvalue.c: Unit tests for GstValue
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */


#include <gst/check/gstcheck.h>


GST_START_TEST (test_deserialize_buffer)
{
  GValue value = { 0 };
  GstBuffer *buf;

  g_value_init (&value, GST_TYPE_BUFFER);
  fail_unless (gst_value_deserialize (&value, "1234567890abcdef"));
  /* does not increase the refcount */
  buf = GST_BUFFER (gst_value_get_mini_object (&value));
  ASSERT_MINI_OBJECT_REFCOUNT (buf, "buffer", 1);

  /* does not increase the refcount */
  buf = gst_value_get_buffer (&value);
  ASSERT_MINI_OBJECT_REFCOUNT (buf, "buffer", 1);

  /* cleanup */
  g_value_unset (&value);
}

GST_END_TEST;

/* create and serialize a buffer */
GST_START_TEST (test_serialize_buffer)
{
  GValue value = { 0 };
  GstBuffer *buf;
  gchar *serialized;
  static const char *buf_data = "1234567890abcdef";
  gint len;

  len = strlen (buf_data);
  buf = gst_buffer_new_and_alloc (len);
  memcpy (GST_BUFFER_DATA (buf), buf_data, len);
  ASSERT_MINI_OBJECT_REFCOUNT (buf, "buffer", 1);

  /* and assign buffer to mini object */
  g_value_init (&value, GST_TYPE_BUFFER);
  gst_value_take_buffer (&value, buf);
  ASSERT_MINI_OBJECT_REFCOUNT (buf, "buffer", 1);

  /* now serialize it */
  serialized = gst_value_serialize (&value);
  GST_DEBUG ("serialized buffer to %s", serialized);
  fail_unless (serialized != NULL);

  /* refcount should not change */
  ASSERT_MINI_OBJECT_REFCOUNT (buf, "buffer", 1);

  /* cleanup */
  g_free (serialized);
  g_value_unset (&value);

  /* take NULL buffer */
  g_value_init (&value, GST_TYPE_BUFFER);
  GST_DEBUG ("setting NULL buffer");
  gst_value_take_buffer (&value, NULL);

  /* now serialize it */
  GST_DEBUG ("serializing NULL buffer");
  serialized = gst_value_serialize (&value);
  /* should return NULL */
  fail_unless (serialized == NULL);

  g_free (serialized);
  g_value_unset (&value);
}

GST_END_TEST;

GST_START_TEST (test_deserialize_gint64)
{
  GValue value = { 0 };
  const char *strings[] = {
    "12345678901",
    "-12345678901",
  };
  gint64 results[] = {
    12345678901LL,
    -12345678901LL,
  };
  int i;

  g_value_init (&value, G_TYPE_INT64);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (g_value_get_int64 (&value) == results[i],
        "resulting value is %" G_GINT64_FORMAT ", not %" G_GINT64_FORMAT
        ", for string %s (%d)", g_value_get_int64 (&value),
        results[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_gstfraction)
{
  GValue value = { 0 };
  const char *strings[] = {
    "4/5",
    "-8/9"
  };
  gint64 result_numers[] = {
    4,
    -8
  };
  gint64 result_denoms[] = {
    5,
    9
  };

  int i;

  g_value_init (&value, GST_TYPE_FRACTION);
  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (gst_value_get_fraction_numerator (&value) == result_numers[i],
        "resulting numerator value is %d, not %d"
        ", for string %s (%d)", gst_value_get_fraction_numerator (&value),
        result_numers[i], strings[i], i);
    fail_unless (gst_value_get_fraction_denominator (&value) ==
        result_denoms[i], "resulting denominator value is %d, not %d"
        ", for string %s (%d)", gst_value_get_fraction_denominator (&value),
        result_denoms[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_gint)
{
  GValue value = { 0 };
  const char *strings[] = {
    "123456",
    "-123456",
    "0xFFFF",
    "0x0000FFFF",
    /* a positive long long, serializing to highest possible positive sint */
    "0x7FFFFFFF",
    /* a positive long long, serializing to lowest possible negative sint */
    "0x80000000",
    /* a negative long long, serializing to lowest possible negative sint */
    "0xFFFFFFFF80000000",
    "0xFF000000",
    /* a positive long long serializing to -1 */
    "0xFFFFFFFF",
    "0xFFFFFFFF",
    /* a negative long long serializing to -1 */
    "0xFFFFFFFFFFFFFFFF",
    "0xFFFFFFFFFFFFFFFF",
    "0xEFFFFFFF",
  };
  gint results[] = {
    123456,
    -123456,
    0xFFFF,
    0xFFFF,
    0x7FFFFFFF,
    0x80000000,
    0x80000000,
    0xFF000000,
    -1,
    0xFFFFFFFF,
    -1,
    /* cast needs to be explicit because of unsigned -> signed */
    (gint) 0xFFFFFFFFFFFFFFFFLL,
    0xEFFFFFFF,
  };
  int i;

  g_value_init (&value, G_TYPE_INT);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (g_value_get_int (&value) == results[i],
        "resulting value is %d, not %d, for string %s (%d)",
        g_value_get_int (&value), results[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_gint_failures)
{
  GValue value = { 0 };
  const char *strings[] = {
    "-",                        /* not a complete number */
    "- TEST",                   /* not a complete number */
    "0x0000000100000000",       /* lowest long long that cannot fit in 32 bits */
    "0xF000000000000000",
    "0xFFFFFFF000000000",
    "0xFFFFFFFF00000000",
    "0x10000000000000000",      /* first number too long to fit into a long long */
    /* invent a new processor first before trying to make this one pass */
    "0x10000000000000000000000000000000000000000000",
  };
  int i;

  g_value_init (&value, G_TYPE_INT);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_if (gst_value_deserialize (&value, strings[i]),
        "deserialized %s (%d), while it should have failed", strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_guint)
{
  GValue value = { 0 };
  const char *strings[] = {
    "123456",
    "-123456",
    "0xFFFF",
    "0x0000FFFF",
    /* a positive long long, serializing to highest possible positive sint */
    "0x7FFFFFFF",
    /* a positive long long, serializing to lowest possible negative sint */
    "0x80000000",
    "2147483648",
    /* a negative long long, serializing to lowest possible negative sint */
    "0xFFFFFFFF80000000",
    /* a value typically used for rgb masks */
    "0xFF000000",
    /* a positive long long serializing to highest possible positive uint */
    "0xFFFFFFFF",
    "0xFFFFFFFF",
    /* a negative long long serializing to highest possible positive uint */
    "0xFFFFFFFFFFFFFFFF",
    "0xEFFFFFFF",
  };
  guint results[] = {
    123456,
    -123456,
    0xFFFF,
    0xFFFF,
    0x7FFFFFFF,
    0x80000000,
    (guint) 2147483648LL,
    0x80000000,
    0xFF000000,
    0xFFFFFFFF,
    G_MAXUINT,
    (guint) 0xFFFFFFFFFFFFFFFFLL,
    0xEFFFFFFF,
  };
  int i;

  g_value_init (&value, G_TYPE_UINT);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (g_value_get_uint (&value) == results[i],
        "resulting value is %d, not %d, for string %s (%d)",
        g_value_get_uint (&value), results[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_guint_failures)
{
  GValue value = { 0 };
  const char *strings[] = {
    "-",                        /* not a complete number */
    "- TEST",                   /* not a complete number */
#if 0
/* FIXME: these values should not be deserializable, since they overflow
 * the target format */
    "0x0000000100000000",       /* lowest long long that cannot fit in 32 bits */
    "0xF000000000000000",
    "0xFFFFFFF000000000",
    "0xFFFFFFFF00000000",
    "0x10000000000000000",      /* first number too long to fit into a long long */
    /* invent a new processor first before trying to make this one pass */
    "0x10000000000000000000000000000000000000000000",
#endif
  };
  int i;

  g_value_init (&value, G_TYPE_UINT);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_if (gst_value_deserialize (&value, strings[i]),
        "deserialized %s (%d), while it should have failed", strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_serialize_flags)
{
  GValue value = { 0 };
  gchar *string;
  GstSeekFlags flags[] = {
    0,
    GST_SEEK_FLAG_NONE,
    GST_SEEK_FLAG_FLUSH,
    GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE,
  };
  const char *results[] = {
    "GST_SEEK_FLAG_NONE",
    "GST_SEEK_FLAG_NONE",
    "GST_SEEK_FLAG_FLUSH",
    "GST_SEEK_FLAG_FLUSH+GST_SEEK_FLAG_ACCURATE",
  };
  int i;

  g_value_init (&value, GST_TYPE_SEEK_FLAGS);

  for (i = 0; i < G_N_ELEMENTS (flags); ++i) {
    g_value_set_flags (&value, flags[i]);
    string = gst_value_serialize (&value);
    fail_if (string == NULL, "could not serialize flags %d", i);
    fail_unless (strcmp (string, results[i]) == 0,
        "resulting value is %s, not %s, for flags #%d", string, results[i], i);
    g_free (string);
  }
}

GST_END_TEST;


GST_START_TEST (test_deserialize_flags)
{
  GValue value = { 0 };
  const char *strings[] = {
    "",
    "0",
    "GST_SEEK_FLAG_NONE",
    "GST_SEEK_FLAG_FLUSH",
    "GST_SEEK_FLAG_FLUSH+GST_SEEK_FLAG_ACCURATE",
  };
  GstSeekFlags results[] = {
    GST_SEEK_FLAG_NONE,
    GST_SEEK_FLAG_NONE,
    GST_SEEK_FLAG_NONE,
    GST_SEEK_FLAG_FLUSH,
    GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE,
  };
  int i;

  g_value_init (&value, GST_TYPE_SEEK_FLAGS);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (g_value_get_flags (&value) == results[i],
        "resulting value is %d, not %d, for string %s (%d)",
        g_value_get_flags (&value), results[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_string)
{
  gchar *try[] = {
    "Dude",
    "Hi, I'm a string",
    "tüüüt!"
  };
  gchar *tmp;
  GValue v = { 0, };
  guint i;

  g_value_init (&v, G_TYPE_STRING);
  for (i = 0; i < G_N_ELEMENTS (try); i++) {
    g_value_set_string (&v, try[i]);
    tmp = gst_value_serialize (&v);
    fail_if (tmp == NULL, "couldn't serialize: %s\n", try[i]);
    fail_unless (gst_value_deserialize (&v, tmp),
        "couldn't deserialize: %s\n", tmp);
    g_free (tmp);

    fail_unless (g_str_equal (g_value_get_string (&v), try[i]),
        "\nserialized  : %s\ndeserialized: %s", try[i],
        g_value_get_string (&v));
  }
  /* NULL strings should not be serializable */
  g_value_set_string (&v, NULL);
  fail_unless (gst_value_serialize (&v) == NULL);
  g_value_unset (&v);