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-rw-r--r--src/test/test_util.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/test_util.c b/src/test/test_util.c
index 23cd059cf..ee745c5cf 100644
--- a/src/test/test_util.c
+++ b/src/test/test_util.c
@@ -283,6 +283,21 @@ test_util_strmisc(void)
test_assert(i == 1);
}
+ {
+ /* Test tor_parse_* where we overflow/underflow the underlying type. */
+ /* This string should overflow 64-bit ints. */
+#define TOOBIG "100000000000000000000000000"
+ test_eq(0L, tor_parse_long(TOOBIG, 10, LONG_MIN, LONG_MAX, &i, NULL));
+ test_eq(i, 0);
+ test_eq(0L, tor_parse_long("-"TOOBIG, 10, LONG_MIN, LONG_MAX, &i, NULL));
+ test_eq(i, 0);
+ test_eq(0UL, tor_parse_ulong(TOOBIG, 10, 0, ULONG_MAX, &i, NULL));
+ test_eq(i, 0);
+ test_eq(U64_LITERAL(0), tor_parse_uint64(TOOBIG, 10,
+ 0, UINT64_MAX, &i, NULL));
+ test_eq(i, 0);
+ }
+
/* Test failing snprintf cases */
test_eq(-1, tor_snprintf(buf, 0, "Foo"));
test_eq(-1, tor_snprintf(buf, 2, "Foo"));