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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-06-05 19:33:45 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-06-10 10:10:06 -0400
commitb32ff512191bf873266ee8067f6f6c8a30c96a5e (patch)
treeec7442f8e8967af14804e673adec4f4e0deb5c38 /src/test/test-util.c
parent3001c74580c1713bd634990a0b2ab351fdec7a98 (diff)
Properly check for overflow in offsets
Diffstat (limited to 'src/test/test-util.c')
-rw-r--r--src/test/test-util.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/test-util.c b/src/test/test-util.c
index 4c3a8a6b88..9396aebd63 100644
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -439,6 +439,44 @@ static void test_protect_errno(void) {
assert(errno == 12);
}
+static void test_parse_bytes(void) {
+ off_t bytes;
+
+ assert_se(parse_bytes("111", &bytes) == 0);
+ assert_se(bytes == 111);
+
+ assert_se(parse_bytes(" 112 B", &bytes) == 0);
+ assert_se(bytes == 112);
+
+ assert_se(parse_bytes("3 K", &bytes) == 0);
+ assert_se(bytes == 3*1024);
+
+ assert_se(parse_bytes(" 4 M 11K", &bytes) == 0);
+ assert_se(bytes == 4*1024*1024 + 11 * 1024);
+
+ assert_se(parse_bytes("3B3G", &bytes) == 0);
+ assert_se(bytes == 3ULL*1024*1024*1024 + 3);
+
+ assert_se(parse_bytes("3B3G4T", &bytes) == 0);
+ assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
+
+ assert_se(parse_bytes("12P", &bytes) == 0);
+ assert_se(bytes == 12ULL * 1024*1024*1024*1024*1024);
+
+ assert_se(parse_bytes("3E 2P", &bytes) == 0);
+ assert_se(bytes == (3 * 1024 + 2ULL) * 1024*1024*1024*1024*1024);
+
+ assert_se(parse_bytes("12X", &bytes) == -EINVAL);
+
+ assert_se(parse_bytes("1024E", &bytes) == -ERANGE);
+ assert_se(parse_bytes("-1", &bytes) == -ERANGE);
+ assert_se(parse_bytes("-1024E", &bytes) == -ERANGE);
+
+ assert_se(parse_bytes("-1024P", &bytes) == -ERANGE);
+
+ assert_se(parse_bytes("-10B 20K", &bytes) == -ERANGE);
+}
+
int main(int argc, char *argv[]) {
test_streq_ptr();
test_first_word();
@@ -467,6 +505,7 @@ int main(int argc, char *argv[]) {
test_u64log2();
test_get_process_comm();
test_protect_errno();
+ test_parse_bytes();
return 0;
}