testing.c: added tests for the g_test_rand*() API.

svn path=/trunk/; revision=5882
This commit is contained in:
Tim Janik 2007-11-20 15:00:28 +00:00
parent e47c4253f9
commit b2a4c8bae2

View File

@ -112,6 +112,42 @@ fixturetest_teardown (Fixturetest *fix)
g_free (fix->msg);
}
static struct {
int bit, vint1, vint2, irange;
long double vdouble, drange;
} shared_rand_state;
static void
test_rand1 (void)
{
shared_rand_state.bit = g_test_rand_bit();
shared_rand_state.vint1 = g_test_rand_int();
shared_rand_state.vint2 = g_test_rand_int();
g_assert_cmpint (shared_rand_state.vint1, !=, shared_rand_state.vint2);
shared_rand_state.irange = g_test_rand_int_range (17, 35);
g_assert_cmpint (shared_rand_state.irange, >=, 17);
g_assert_cmpint (shared_rand_state.irange, <=, 35);
shared_rand_state.vdouble = g_test_rand_double();
shared_rand_state.drange = g_test_rand_double_range (-999, +17);
g_assert_cmpfloat (shared_rand_state.drange, >=, -999);
g_assert_cmpfloat (shared_rand_state.drange, <=, +17);
}
static void
test_rand2 (void)
{
/* this test only works if run after test1.
* we do this to check that random number generators
* are reseeded upon fixture setup.
*/
g_assert_cmpint (shared_rand_state.bit, ==, g_test_rand_bit());
g_assert_cmpint (shared_rand_state.vint1, ==, g_test_rand_int());
g_assert_cmpint (shared_rand_state.vint2, ==, g_test_rand_int());
g_assert_cmpint (shared_rand_state.irange, ==, g_test_rand_int_range (17, 35));
g_assert_cmpfloat (shared_rand_state.vdouble, ==, g_test_rand_double());
g_assert_cmpfloat (shared_rand_state.drange, ==, g_test_rand_double_range (-999, +17));
}
int
main (int argc,
char *argv[])
@ -123,6 +159,8 @@ main (int argc,
g_test_suite_add_suite (rootsuite, miscsuite);
GTestSuite *forksuite = g_test_create_suite ("fork");
g_test_suite_add_suite (rootsuite, forksuite);
GTestSuite *randsuite = g_test_create_suite ("rand");
g_test_suite_add_suite (rootsuite, randsuite);
tc = g_test_create_case ("fail assertion", 0, NULL, test_fork_fail, NULL);
g_test_suite_add (forksuite, tc);
@ -131,6 +169,11 @@ main (int argc,
tc = g_test_create_case ("timeout", 0, NULL, test_fork_timeout, NULL);
g_test_suite_add (forksuite, tc);
tc = g_test_create_case ("rand-1", 0, NULL, test_rand1, NULL);
g_test_suite_add (randsuite, tc);
tc = g_test_create_case ("rand-2", 0, NULL, test_rand2, NULL);
g_test_suite_add (randsuite, tc);
tc = g_test_create_case ("assertions", 0, NULL, test_assertions, NULL);
g_test_suite_add (miscsuite, tc);
tc = g_test_create_case ("primetoul", sizeof (Fixturetest),