Make all tests `-Wconversion -Wno-sign-conversion` compliant.

3 files changed, 3 insertions, 3 deletions

diff --git a/tests/rabinkarp_test.c b/tests/rabinkarp_test.c
index 65f03bc..d0ac6c4 100644
--- a/tests/rabinkarp_test.c
+++ b/tests/rabinkarp_test.c
@@ -70,7 +70,7 @@ int main(int argc, char **argv)
 
     /* Test rabinkarp_update() */
     for (i = 0; i < 256; i++)
-        buf[i] = i;
+        buf[i] = (unsigned char)i;
     rabinkarp_update(&r, buf, 256);
     assert(rabinkarp_digest(&r) == 0xc1972381);
     return 0;
diff --git a/tests/rollsum_test.c b/tests/rollsum_test.c
index 6310a06..109d9fc 100644
--- a/tests/rollsum_test.c
+++ b/tests/rollsum_test.c
@@ -72,7 +72,7 @@ int main(int argc, char **argv)
 
     /* Test RollsumUpdate() */
     for (i = 0; i < 256; i++)
-        buf[i] = i;
+        buf[i] = (unsigned char)i;
     RollsumUpdate(&r, buf, 256);
     assert(RollsumDigest(&r) == 0x3a009e80);
     return 0;
diff --git a/tests/sumset_test.c b/tests/sumset_test.c
index e7bf9e0..ad8cf28 100644
--- a/tests/sumset_test.c
+++ b/tests/sumset_test.c
@@ -39,7 +39,7 @@ int main(int argc, char **argv)
 
     /* Initialize test buffer. */
     for (i = 0; i < 256; i++)
-        buf[i] = i;
+        buf[i] = (unsigned char)i;
 
     /* Test rs_sig_args() */
     rs_magic_number magic;