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tests: Add another test for overlapping offsets in GVariant

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Signed-off-by: Philip Withnall <withnall@endlessm.com>

Helps: #2121
This commit is contained in:
Philip Withnall 2020-06-12 18:01:13 +01:00 committed by Michael Catanzaro
parent b53b26c559
commit 319f859c4a
1 changed files with 34 additions and 0 deletions
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34
glib/tests/gvariant.c
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@ -5013,6 +5013,38 @@ test_recursion_limits_array_in_variant (void)
g_variant_unref (wrapper_variant); g_variant_unref (wrapper_variant);
} }
/* Test that a nested array with invalid values in its offset table (which point
* from the inner to the outer array) is normalised successfully without
* looping infinitely. */
static void
test_normal_checking_array_offsets_overlapped (void)
{
const guint8 data[] = {
0x01, 0x00,
};
gsize size = sizeof (data);
GVariant *variant = NULL;
GVariant *normal_variant = NULL;
GVariant *expected_variant = NULL;
variant = g_variant_new_from_data (G_VARIANT_TYPE ("aay"), data, size,
FALSE, NULL, NULL);
g_assert_nonnull (variant);
normal_variant = g_variant_get_normal_form (variant);
g_assert_nonnull (normal_variant);
expected_variant = g_variant_new_parsed ("[@ay [], []]");
g_assert_cmpvariant (normal_variant, expected_variant);
g_assert_cmpmem (g_variant_get_data (normal_variant), g_variant_get_size (normal_variant),
g_variant_get_data (expected_variant), g_variant_get_size (expected_variant));
g_variant_unref (expected_variant);
g_variant_unref (normal_variant);
g_variant_unref (variant);
}
/* Test that an array with invalidly large values in its offset table is /* Test that an array with invalidly large values in its offset table is
* normalised successfully without looping infinitely. */ * normalised successfully without looping infinitely. */
static void static void
@ -5413,6 +5445,8 @@ main (int argc, char **argv)
g_test_add_func ("/gvariant/normal-checking/tuples", g_test_add_func ("/gvariant/normal-checking/tuples",
test_normal_checking_tuples); test_normal_checking_tuples);
g_test_add_func ("/gvariant/normal-checking/array-offsets/overlapped",
test_normal_checking_array_offsets_overlapped);
g_test_add_func ("/gvariant/normal-checking/array-offsets", g_test_add_func ("/gvariant/normal-checking/array-offsets",
test_normal_checking_array_offsets); test_normal_checking_array_offsets);
g_test_add_func ("/gvariant/normal-checking/array-offsets2", g_test_add_func ("/gvariant/normal-checking/array-offsets2",