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g_parse_debug_string: invert flags given besides "all"

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Any flags specified as well as "all" are subtracted from the result,
allowing the user to specify FOO_DEBUG="all,bar,baz" to mean "give me
debugging information for everything except bar and baz".

https://bugzilla.gnome.org/show_bug.cgi?id=642452
This commit is contained in:
Will Thompson
2011-10-20 16:07:03 +01:00
committed by Matthias Clasen
parent 73ffa9034f
commit 5e2a2ef288
2 changed files with 45 additions and 14 deletions
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18
tests/testglib.c
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@@ -509,10 +509,11 @@ find_first_that(gpointer key,
static void
test_g_parse_debug_string (void)
{
GDebugKey keys[3] = {
GDebugKey keys[] = {
{ "foo", 1 },
{ "bar", 2 },
{ "baz", 4 }
{ "baz", 4 },
{ "weird", 8 },
};
guint n_keys = G_N_ELEMENTS (keys);
guint result;
@@ -531,6 +532,19 @@ test_g_parse_debug_string (void)
result = g_parse_debug_string ("all", keys, n_keys);
g_assert_cmpuint (result, ==, (1 << n_keys) - 1);
/* Test subtracting debug flags from "all" */
result = g_parse_debug_string ("all:foo", keys, n_keys);
g_assert_cmpuint (result, ==, 2 | 4 | 8);
result = g_parse_debug_string ("foo baz,all", keys, n_keys);
g_assert_cmpuint (result, ==, 2 | 8);
result = g_parse_debug_string ("all,fooo,baz", keys, n_keys);
g_assert_cmpuint (result, ==, 1 | 2 | 8);
result = g_parse_debug_string ("all:weird", keys, n_keys);
g_assert_cmpuint (result, ==, 1 | 2 | 4);
}
static void