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tests: Add an intersection test for the recent bug

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Just using the hardcoded bitmasks triggered the bug fixed in commit
e8f2eeac92 - so just do that as the test.
This commit is contained in:
Benjamin Otte 2012-11-10 18:54:35 +01:00
parent c59e8de533
commit 5f20d909e6
1 changed files with 44 additions and 0 deletions
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44
gtk/tests/bitmask.c
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@ -237,6 +237,49 @@ test_intersect (void)
}
}
static void
test_intersect_hardcoded (void)
{
GtkBitmask *left, *right, *intersection, *expected;
const char *left_str, *right_str;
guint left_len, right_len;
guint i, l, r;
for (l = 0; l < G_N_ELEMENTS (tests); l++)
{
for (r = 0; r < G_N_ELEMENTS (tests); r++)
{
left = masks[l];
right = masks[r];
left_str = tests[l];
right_str = tests[r];
left_len = strlen (tests[l]);
right_len = strlen (tests[r]);
expected = _gtk_bitmask_new ();
if (left_len > right_len)
left_str += left_len - right_len;
if (right_len > left_len)
right_str += right_len - left_len;
i = MIN (right_len, left_len);
while (i--)
{
expected = _gtk_bitmask_set (expected, i, left_str[0] == '1' && right_str[0] == '1');
right_str++;
left_str++;
}
intersection = _gtk_bitmask_intersect (_gtk_bitmask_copy (left), right);
assert_cmpmasks (intersection, expected);
g_assert_cmpint (_gtk_bitmask_is_empty (expected), ==, !_gtk_bitmask_intersects (left, right));
_gtk_bitmask_free (intersection);
_gtk_bitmask_free (expected);
}
}
}
#define SWAP(_a, _b) G_STMT_START{ \
guint _tmp = _a; \
_a = _b; \
@ -331,6 +374,7 @@ main (int argc, char *argv[])
g_test_add_func ("/bitmask/set", test_set);
g_test_add_func ("/bitmask/union", test_union);
g_test_add_func ("/bitmask/intersect", test_intersect);
g_test_add_func ("/bitmask/intersect_hardcoded", test_intersect_hardcoded);
g_test_add_func ("/bitmask/invert_range", test_invert_range);
result = g_test_run ();