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test: Add string GValue tests

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Tests creation, duplication, ownership and copies
This commit is contained in:
Edward Hervey 2020-05-15 17:25:09 +02:00 committed by Edward Hervey
parent e3efbd30a2
commit c964749de6
1 changed files with 135 additions and 0 deletions
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135
gobject/tests/value.c
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@ -31,6 +31,140 @@ test_value_basic (void)
g_assert_false (G_VALUE_HOLDS_INT (&value));
}
static void
test_value_string (void)
{
const gchar *static1 = "static1";
const gchar *static2 = "static2";
const gchar *storedstr;
const gchar *copystr;
gchar *str1, *str2;
GValue value = G_VALUE_INIT;
GValue copy = G_VALUE_INIT;
g_test_summary ("Test that G_TYPE_STRING GValue copy properly");
/*
* Regular strings (ownership not passed)
*/
/* Create a regular string gvalue and make sure it copies the provided string */
g_value_init (&value, G_TYPE_STRING);
g_assert_true (G_VALUE_HOLDS_STRING (&value));
/* The string contents should be empty at this point */
storedstr = g_value_get_string (&value);
g_assert_true (storedstr == NULL);
g_value_set_string (&value, static1);
/* The contents should be a copy of the same string */
storedstr = g_value_get_string (&value);
g_assert_true (storedstr != static1);
g_assert_cmpstr (storedstr, ==, static1);
/* Check g_value_dup_string() provides a copy */
str1 = g_value_dup_string (&value);
g_assert_true (storedstr != str1);
g_assert_cmpstr (str1, ==, static1);
g_free (str1);
/* Copying a regular string gvalue should copy the contents */
g_value_init (&copy, G_TYPE_STRING);
g_value_copy (&value, &copy);
copystr = g_value_get_string (&copy);
g_assert_true (copystr != storedstr);
g_assert_cmpstr (copystr, ==, static1);
g_value_unset (&copy);
/* Setting a new string should change the contents */
g_value_set_string (&value, static2);
/* The contents should be a copy of that *new* string */
storedstr = g_value_get_string (&value);
g_assert_true (storedstr != static2);
g_assert_cmpstr (storedstr, ==, static2);
/* Setting a static string over that should also change it (test for
* coverage and valgrind) */
g_value_set_static_string (&value, static1);
storedstr = g_value_get_string (&value);
g_assert_true (storedstr != static2);
g_assert_cmpstr (storedstr, ==, static1);
/* Giving a string directly (ownership passed) should replace the content */
str2 = g_strdup (static2);
g_value_take_string (&value, str2);
storedstr = g_value_get_string (&value);
g_assert_true (storedstr != static2);
g_assert_cmpstr (storedstr, ==, str2);
g_value_unset (&value);
/*
* Regular strings (ownership passed)
*/
g_value_init (&value, G_TYPE_STRING);
g_assert_true (G_VALUE_HOLDS_STRING (&value));
str1 = g_strdup (static1);
g_value_take_string (&value, str1);
/* The contents should be the string we provided */
storedstr = g_value_get_string (&value);
g_assert_true (storedstr == str1);
/* But g_value_dup_string() should provide a copy */
str2 = g_value_dup_string (&value);
g_assert_true (storedstr != str2);
g_assert_cmpstr (str2, ==, static1);
g_free (str2);
/* Copying a regular string gvalue (even with ownership passed) should copy
* the contents */
g_value_init (&copy, G_TYPE_STRING);
g_value_copy (&value, &copy);
copystr = g_value_get_string (&copy);
g_assert_true (copystr != storedstr);
g_assert_cmpstr (copystr, ==, static1);
g_value_unset (&copy);
/* Setting a new regular string should change the contents */
g_value_set_string (&value, static2);
/* The contents should be a copy of that *new* string */
storedstr = g_value_get_string (&value);
g_assert_true (storedstr != static2);
g_assert_cmpstr (storedstr, ==, static2);
g_value_unset (&value);
/*
* Static strings
*/
g_value_init (&value, G_TYPE_STRING);
g_assert_true (G_VALUE_HOLDS_STRING (&value));
g_value_set_static_string (&value, static1);
/* The contents should be the string we provided */
storedstr = g_value_get_string (&value);
g_assert_true (storedstr == static1);
/* But g_value_dup_string() should provide a copy */
str2 = g_value_dup_string (&value);
g_assert_true (storedstr != str2);
g_assert_cmpstr (str2, ==, static1);
g_free (str2);
/* Copying a static string gvalue should *not* copy the contents */
g_value_init (&copy, G_TYPE_STRING);
g_value_copy (&value, &copy);
copystr = g_value_get_string (&copy);
g_assert_true (copystr == static1);
g_value_unset (&copy);
/* Setting a new string should change the contents */
g_value_set_static_string (&value, static2);
/* The contents should be a copy of that *new* string */
storedstr = g_value_get_string (&value);
g_assert_true (storedstr != static1);
g_assert_cmpstr (storedstr, ==, static2);
g_value_unset (&value);
}
static gint
cmpint (gconstpointer a, gconstpointer b)
{
@ -89,6 +223,7 @@ main (int argc, char *argv[])
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/value/basic", test_value_basic);
g_test_add_func ("/value/string", test_value_string);
g_test_add_func ("/value/array/basic", test_valuearray_basic);
return g_test_run ();