Add some unit tests for util.h.

1 files changed, 55 insertions, 0 deletions

diff --git a/toxcore/util_test.cpp b/toxcore/util_test.cpp
new file mode 100644
index 00000000..8de63848
--- /dev/null
+++ b/toxcore/util_test.cpp
@@ -0,0 +1,55 @@
+#include "util.h"
+
+#include "crypto_core.h"
+
+#include <gtest/gtest.h>
+
+TEST(Util, UnixTimeIncreasesOverTime)
+{
+    unix_time_update();
+    uint64_t const start = unix_time();
+
+    while (start == unix_time()) {
+        unix_time_update();
+    }
+
+    uint64_t const end = unix_time();
+    EXPECT_GT(end, start);
+}
+
+TEST(Util, IsTimeout)
+{
+    uint64_t const start = unix_time();
+    EXPECT_FALSE(is_timeout(start, 1));
+
+    while (start == unix_time()) {
+        unix_time_update();
+    }
+
+    EXPECT_TRUE(is_timeout(start, 1));
+}
+
+TEST(Util, TwoRandomIdsAreNotEqual)
+{
+    uint8_t pk1[CRYPTO_PUBLIC_KEY_SIZE];
+    uint8_t sk1[CRYPTO_SECRET_KEY_SIZE];
+    uint8_t pk2[CRYPTO_PUBLIC_KEY_SIZE];
+    uint8_t sk2[CRYPTO_SECRET_KEY_SIZE];
+
+    crypto_new_keypair(pk1, sk1);
+    crypto_new_keypair(pk2, sk2);
+
+    EXPECT_FALSE(id_equal(pk1, pk2));
+}
+
+TEST(Util, IdCopyMakesKeysEqual)
+{
+    uint8_t pk1[CRYPTO_PUBLIC_KEY_SIZE];
+    uint8_t sk1[CRYPTO_SECRET_KEY_SIZE];
+    uint8_t pk2[CRYPTO_PUBLIC_KEY_SIZE] = {0};
+
+    crypto_new_keypair(pk1, sk1);
+    id_copy(pk2, pk1);
+
+    EXPECT_TRUE(id_equal(pk1, pk2));
+}