lib/c_glib/test/testoptionalrequired.c

#include <assert.h>
#include <glib.h>

#include "thrift_struct.h"
#include "protocol/thrift_protocol.h"
#include "protocol/thrift_binary_protocol.h"
#include "transport/thrift_memory_buffer.h"
#include "gen-c_glib/t_test_optional_required_test_types.h"

#include "gen-c_glib/t_test_optional_required_test_types.c"

static void
write_to_read (ThriftStruct *w, ThriftStruct *r, GError **write_error,
               GError **read_error)
{
  ThriftMemoryBuffer *tbuffer = NULL;
  ThriftProtocol *protocol = NULL;

  tbuffer = g_object_new (THRIFT_TYPE_MEMORY_BUFFER, NULL);
  protocol = g_object_new (THRIFT_TYPE_BINARY_PROTOCOL, "transport",
                           tbuffer, NULL);

  thrift_struct_write (w, protocol, write_error);
  thrift_struct_read (r, protocol, read_error);

  g_object_unref (protocol);
  g_object_unref (tbuffer);
}

static void
test_old_school1 (void)
{
  TTestOldSchool *o = NULL;

  o = g_object_new (T_TEST_TYPE_OLD_SCHOOL, NULL);
  o->im_int = 10;
  o->im_str = g_strdup ("test");
  o->im_big = g_ptr_array_new ();
  g_ptr_array_free (o->im_big, FALSE);
  g_free (o->im_str);
  g_object_unref (o);
}

/**
 * Write to read with optional fields
 */
static void
test_simple (void)
{
  TTestSimple *s1 = NULL, *s2 = NULL, *s3 = NULL;

  s1 = g_object_new (T_TEST_TYPE_SIMPLE, NULL);
  s2 = g_object_new (T_TEST_TYPE_SIMPLE, NULL);
  s3 = g_object_new (T_TEST_TYPE_SIMPLE, NULL);

  // write-to-read with optional fields
  s1->im_optional = 10;
  assert (s1->__isset_im_default == FALSE);
  assert (s1->__isset_im_optional == FALSE);  
  write_to_read (THRIFT_STRUCT (s1), THRIFT_STRUCT (s2), NULL, NULL);
  assert (s2->__isset_im_default = TRUE);
  assert (s2->__isset_im_optional == FALSE);
  assert (s2->im_optional == 0);

  s1->__isset_im_optional = TRUE;
  write_to_read (THRIFT_STRUCT (s1), THRIFT_STRUCT (s3), NULL, NULL);
  assert (s3->__isset_im_default == TRUE);
  assert (s3->__isset_im_optional == TRUE);
  assert (s3->im_optional == 10);

  g_object_unref (s1);
  g_object_unref (s2);
}

/**
 * Writing between optional and default
 */
static void
test_tricky1 (void)
{
  TTestTricky1 *t1 = NULL;
  TTestTricky2 *t2 = NULL;

  t1 = g_object_new (T_TEST_TYPE_TRICKY1, NULL);
  t2 = g_object_new (T_TEST_TYPE_TRICKY2, NULL);

  t2->im_optional = 10;
  write_to_read (THRIFT_STRUCT (t2), THRIFT_STRUCT (t1), NULL, NULL);
  write_to_read (THRIFT_STRUCT (t1), THRIFT_STRUCT (t2), NULL, NULL);

  assert (t1->__isset_im_default == FALSE);
  assert (t2->__isset_im_optional == TRUE);
  assert (t1->im_default == t2->im_optional);
  assert (t1->im_default == 0);

  g_object_unref (t1);
  g_object_unref (t2);
}

/**
 * Writing between default and required.
 */
static void
test_tricky2 (void)
{
  TTestTricky1 *t1 = NULL;
  TTestTricky3 *t3 = NULL;

  t1 = g_object_new (T_TEST_TYPE_TRICKY1, NULL);
  t3 = g_object_new (T_TEST_TYPE_TRICKY3, NULL);

  write_to_read (THRIFT_STRUCT (t1), THRIFT_STRUCT (t3), NULL, NULL);
  write_to_read (THRIFT_STRUCT (t3), THRIFT_STRUCT (t1), NULL, NULL);

  assert (t1->__isset_im_default == TRUE);

  g_object_unref (t1);
  g_object_unref (t3);
}

/**
 * Writing between optional and required.
 */
static void
test_tricky3 (void)
{
  TTestTricky2 *t2 = NULL;
  TTestTricky3 *t3 = NULL;

  t2 = g_object_new (T_TEST_TYPE_TRICKY2, NULL);
  t3 = g_object_new (T_TEST_TYPE_TRICKY3, NULL);

  t2->__isset_im_optional = TRUE;

  write_to_read (THRIFT_STRUCT (t2), THRIFT_STRUCT (t3), NULL, NULL);
  write_to_read (THRIFT_STRUCT (t3), THRIFT_STRUCT (t2), NULL, NULL);

  g_object_unref (t2);
  g_object_unref (t3);
}

/**
 * Catch an optional not set exception.  To quote the
 * C++ test, "Mu-hu-ha-ha-ha!"
 */
static void
test_tricky4 (void)
{
  TTestTricky2 *t2 = NULL;
  TTestTricky3 *t3 = NULL;
  GError *read_error = NULL;

  t2 = g_object_new (T_TEST_TYPE_TRICKY2, NULL);
  t3 = g_object_new (T_TEST_TYPE_TRICKY3, NULL);

  // throws protocol exception
  write_to_read (THRIFT_STRUCT (t2), THRIFT_STRUCT (t3), NULL, &read_error);
  assert (read_error != NULL);
  g_error_free (read_error);

  write_to_read (THRIFT_STRUCT (t3), THRIFT_STRUCT (t2), NULL, NULL);

  assert (t2->__isset_im_optional);

  g_object_unref (t2);
  g_object_unref (t3);
}

int
main(void)
{
  g_type_init ();
  test_old_school1 ();
  test_simple ();
  test_tricky1 ();
  test_tricky2 ();
  test_tricky3 ();
  test_tricky4 ();
  return 0;
}