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gvariant: Add tests for exact SHA256 checksums

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I'd like to use GVariant as a data format in my userspace filesystem,
and having the actual bits be stable means I can reliably compute
cryptographic checksums.

This updated patch removes vardict checks, because Ryan wants the
flexibility to change them in the future.

https://bugzilla.gnome.org/show_bug.cgi?id=673012
This commit is contained in:
Colin Walters 2012-03-28 13:53:37 -04:00
parent 7936af6934
commit d54e10632a
1 changed files with 74 additions and 0 deletions
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74
glib/tests/gvariant.c
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@ -4176,6 +4176,77 @@ test_check_format_string (void)
g_variant_unref (value); g_variant_unref (value);
} }
static void
verify_gvariant_checksum (const gchar *sha256,
GVariant *v)
{
gchar *checksum;
checksum = g_compute_checksum_for_data (G_CHECKSUM_SHA256,
g_variant_get_data (v),
g_variant_get_size (v));
g_assert_cmpstr (sha256, ==, checksum);
g_free (checksum);
}
static void
verify_gvariant_checksum_va (const gchar *sha256,
const gchar *fmt,
...)
{
va_list args;
GVariant *v;
va_start (args, fmt);
v = g_variant_new_va (fmt, NULL, &args);
g_variant_ref_sink (v);
va_end (args);
verify_gvariant_checksum (sha256, v);
g_variant_unref (v);
}
static void
test_checksum_basic (void)
{
verify_gvariant_checksum_va ("e8a4b2ee7ede79a3afb332b5b6cc3d952a65fd8cffb897f5d18016577c33d7cc",
"u", 42);
verify_gvariant_checksum_va ("c53e363c33b00cfce298229ee83856b8a98c2e6126cab13f65899f62473b0df5",
"s", "moocow");
verify_gvariant_checksum_va ("2b4c342f5433ebe591a1da77e013d1b72475562d48578dca8b84bac6651c3cb9",
"y", 9);
verify_gvariant_checksum_va ("12a3ae445661ce5dee78d0650d33362dec29c4f82af05e7e57fb595bbbacf0ca",
"t", G_MAXUINT64);
verify_gvariant_checksum_va ("e25a59b24440eb6c833aa79c93b9840e6eab6966add0dacf31df7e9e7000f5b3",
"d", 3.14159);
verify_gvariant_checksum_va ("4bf5122f344554c53bde2ebb8cd2b7e3d1600ad631c385a5d7cce23c7785459a",
"b", TRUE);
verify_gvariant_checksum_va ("ca2fd00fa001190744c15c317643ab092e7048ce086a243e2be9437c898de1bb",
"q", G_MAXUINT16);
}
static void
test_checksum_nested (void)
{
static const char* const strv[] = {"foo", "bar", "baz", NULL};
verify_gvariant_checksum_va ("31fbc92f08fddaca716188fe4b5d44ae122fc6306fd3c6925af53cfa47ea596d",
"(uu)", 41, 43);
verify_gvariant_checksum_va ("01759d683cead856d1d386d59af0578841698a424a265345ad5413122f220de8",
"(su)", "moocow", 79);
verify_gvariant_checksum_va ("52b3ae95f19b3e642ea1d01185aea14a09004c1d1712672644427403a8a0afe6",
"(qyst)", G_MAXUINT16, 9, "moocow", G_MAXUINT64);
verify_gvariant_checksum_va ("6fc6f4524161c3ae0d316812d7088e3fcd372023edaea2d7821093be40ae1060",
"(@ay)", g_variant_new_bytestring ("\xFF\xFF\xFF"));
verify_gvariant_checksum_va ("572aca386e1a983dd23bb6eb6e3dfa72eef9ca7c7744581aa800e18d7d9d0b0b",
"(^as)", strv);
verify_gvariant_checksum_va ("4bddf6174c791bb44fc6a4106573031690064df34b741033a0122ed8dc05bcf3",
"(yvu)", 254, g_variant_new ("(^as)", strv), 42);
}
int int
main (int argc, char **argv) main (int argc, char **argv)
{ {
@ -4222,5 +4293,8 @@ main (int argc, char **argv)
g_test_add_func ("/gvariant/fixed-array", test_fixed_array); g_test_add_func ("/gvariant/fixed-array", test_fixed_array);
g_test_add_func ("/gvariant/check-format-string", test_check_format_string); g_test_add_func ("/gvariant/check-format-string", test_check_format_string);
g_test_add_func ("/gvariant/checksum-basic", test_checksum_basic);
g_test_add_func ("/gvariant/checksum-nested", test_checksum_nested);
return g_test_run (); return g_test_run ();
} }