glib/gobject/tests/enums.c

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#include <glib-object.h>
static const GEnumValue my_enum_values[] =
{
{ 1, "the first value", "one" },
{ 2, "the second value", "two" },
{ 3, "the third value", "three" },
{ 0, NULL, NULL }
};
static void
test_enum_basic (void)
{
GType type;
GEnumClass *class;
GEnumValue *val;
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GValue value = G_VALUE_INIT;
gchar *to_string;
type = g_enum_register_static ("MyEnum", my_enum_values);
g_value_init (&value, type);
g_assert_true (G_VALUE_HOLDS_ENUM (&value));
g_value_set_enum (&value, 2);
g_assert_cmpint (g_value_get_enum (&value), ==, 2);
g_value_unset (&value);
class = g_type_class_ref (type);
g_assert_cmpint (class->minimum, ==, 1);
g_assert_cmpint (class->maximum, ==, 3);
g_assert_cmpint (class->n_values, ==, 3);
val = g_enum_get_value (class, 2);
g_assert_nonnull (val);
g_assert_cmpstr (val->value_name, ==, "the second value");
val = g_enum_get_value (class, 15);
g_assert_null (val);
val = g_enum_get_value_by_name (class, "the third value");
g_assert_nonnull (val);
g_assert_cmpint (val->value, ==, 3);
val = g_enum_get_value_by_name (class, "the color purple");
g_assert_null (val);
val = g_enum_get_value_by_nick (class, "one");
g_assert_nonnull (val);
g_assert_cmpint (val->value, ==, 1);
val = g_enum_get_value_by_nick (class, "purple");
g_assert_null (val);
to_string = g_enum_to_string (type, 2);
g_assert_cmpstr (to_string, ==, "the second value");
g_free (to_string);
to_string = g_enum_to_string (type, 15);
g_assert_cmpstr (to_string, ==, "15");
g_free (to_string);
g_type_class_unref (class);
}
static const GFlagsValue my_flag_values[] =
{
{ 0, "no flags", "none" },
{ 1, "the first flag", "one" },
{ 2, "the second flag", "two" },
{ 8, "the third flag", "three" },
{ 0, NULL, NULL }
};
static const GFlagsValue no_default_flag_values[] =
{
{ 1, "the first flag", "one" },
{ 0, NULL, NULL }
};
static void
test_flags_transform_to_string (const GValue *value)
{
GValue tmp = G_VALUE_INIT;
g_value_init (&tmp, G_TYPE_STRING);
g_value_transform (value, &tmp);
g_value_unset (&tmp);
}
static void
test_flags_basic (void)
{
GType type, no_default_type;
GFlagsClass *class;
GFlagsValue *val;
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GValue value = G_VALUE_INIT;
gchar *to_string;
type = g_flags_register_static ("MyFlags", my_flag_values);
no_default_type = g_flags_register_static ("NoDefaultFlags",
no_default_flag_values);
g_value_init (&value, type);
g_assert_true (G_VALUE_HOLDS_FLAGS (&value));
g_value_set_flags (&value, 2|8);
g_assert_cmpint (g_value_get_flags (&value), ==, 2|8);
class = g_type_class_ref (type);
g_assert_cmpint (class->mask, ==, 1|2|8);
g_assert_cmpint (class->n_values, ==, 4);
val = g_flags_get_first_value (class, 2|8);
g_assert_nonnull (val);
g_assert_cmpstr (val->value_name, ==, "the second flag");
val = g_flags_get_first_value (class, 16);
g_assert_null (val);
val = g_flags_get_value_by_name (class, "the third flag");
g_assert_nonnull (val);
g_assert_cmpint (val->value, ==, 8);
val = g_flags_get_value_by_name (class, "the color purple");
g_assert_null (val);
val = g_flags_get_value_by_nick (class, "one");
g_assert_nonnull (val);
g_assert_cmpint (val->value, ==, 1);
val = g_flags_get_value_by_nick (class, "purple");
g_assert_null (val);
test_flags_transform_to_string (&value);
g_value_unset (&value);
to_string = g_flags_to_string (type, 1|8);
g_assert_cmpstr (to_string, ==, "the first flag | the third flag");
g_free (to_string);
to_string = g_flags_to_string (type, 0);
g_assert_cmpstr (to_string, ==, "no flags");
g_free (to_string);
to_string = g_flags_to_string (type, 16);
g_assert_cmpstr (to_string, ==, "0x10");
g_free (to_string);
to_string = g_flags_to_string (type, 1|16);
g_assert_cmpstr (to_string, ==, "the first flag | 0x10");
g_free (to_string);
to_string = g_flags_to_string (no_default_type, 0);
g_assert_cmpstr (to_string, ==, "0x0");
g_free (to_string);
to_string = g_flags_to_string (no_default_type, 16);
g_assert_cmpstr (to_string, ==, "0x10");
g_free (to_string);
g_type_class_unref (class);
}
typedef enum {
TEST_ENUM_FIRST_VALUE,
TEST_ENUM_SECOND_VALUE,
TEST_ENUM_THIRD_VALUE
} TestEnum;
GType test_enum_get_type (void);
G_DEFINE_ENUM_TYPE (TestEnum, test_enum,
G_DEFINE_ENUM_VALUE (TEST_ENUM_FIRST_VALUE, "first-value"),
G_DEFINE_ENUM_VALUE (TEST_ENUM_SECOND_VALUE, "second-value"),
G_DEFINE_ENUM_VALUE (TEST_ENUM_THIRD_VALUE, "third-value"))
static void
test_enum_define_type (void)
{
GEnumClass *class = g_type_class_ref (test_enum_get_type ());
GEnumValue *val;
g_assert_cmpint (class->minimum, ==, 0);
g_assert_cmpint (class->maximum, ==, 2);
g_assert_cmpint (class->n_values, ==, 3);
val = g_enum_get_value (class, 2);
g_assert_nonnull (val);
g_assert_cmpstr (val->value_nick, ==, "third-value");
val = g_enum_get_value (class, 15);
g_assert_null (val);
g_type_class_unref (class);
}
typedef enum {
TEST_FLAGS_DEFAULT = 0,
TEST_FLAGS_FIRST = 1 << 0,
TEST_FLAGS_SECOND = 1 << 1,
TEST_FLAGS_THIRD = 1 << 2
} TestFlags;
GType test_flags_get_type (void);
G_DEFINE_FLAGS_TYPE (TestFlags, test_flags,
G_DEFINE_ENUM_VALUE (TEST_FLAGS_DEFAULT, "default"),
G_DEFINE_ENUM_VALUE (TEST_FLAGS_FIRST, "first"),
G_DEFINE_ENUM_VALUE (TEST_FLAGS_SECOND, "second"),
G_DEFINE_ENUM_VALUE (TEST_FLAGS_THIRD, "third"))
static void
test_flags_define_type (void)
{
GFlagsClass *class = g_type_class_ref (test_flags_get_type ());
GFlagsValue *val;
char *to_string;
g_assert_cmpint (class->mask, ==, 1 | 2 | 4);
g_assert_cmpint (class->n_values, ==, 4);
val = g_flags_get_first_value (class, 2|4);
g_assert_nonnull (val);
g_assert_cmpstr (val->value_nick, ==, "second");
val = g_flags_get_first_value (class, 8);
g_assert_null (val);
to_string = g_flags_to_string (test_flags_get_type (), 0);
g_assert_cmpstr (to_string, ==, "TEST_FLAGS_DEFAULT");
g_free (to_string);
g_type_class_unref (class);
}
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/enum/basic", test_enum_basic);
g_test_add_func ("/enum/define-type", test_enum_define_type);
g_test_add_func ("/flags/basic", test_flags_basic);
g_test_add_func ("/flags/define-type", test_flags_define_type);
return g_test_run ();
}