Squashed 'external/toxcore/c-toxcore/' content from commit 67badf69

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455

toxcore/mono_time_test.cc

@@ -0,0 +1,67 @@
+#include "mono_time.h"
+
+#include <gtest/gtest.h>
+
+namespace {
+
+TEST(MonoTime, UnixTimeIncreasesOverTime)
+{
+    Mono_Time *mono_time = mono_time_new(nullptr, nullptr);
+    ASSERT_NE(mono_time, nullptr);
+
+    mono_time_update(mono_time);
+    uint64_t const start = mono_time_get(mono_time);
+
+    while (start == mono_time_get(mono_time)) {
+        mono_time_update(mono_time);
+    }
+
+    uint64_t const end = mono_time_get(mono_time);
+    EXPECT_GT(end, start);
+
+    mono_time_free(mono_time);
+}
+
+TEST(MonoTime, IsTimeout)
+{
+    Mono_Time *mono_time = mono_time_new(nullptr, nullptr);
+    ASSERT_NE(mono_time, nullptr);
+
+    uint64_t const start = mono_time_get(mono_time);
+    EXPECT_FALSE(mono_time_is_timeout(mono_time, start, 1));
+
+    while (start == mono_time_get(mono_time)) {
+        mono_time_update(mono_time);
+    }
+
+    EXPECT_TRUE(mono_time_is_timeout(mono_time, start, 1));
+
+    mono_time_free(mono_time);
+}
+
+TEST(MonoTime, CustomTime)
+{
+    Mono_Time *mono_time = mono_time_new(nullptr, nullptr);
+    ASSERT_NE(mono_time, nullptr);
+
+    uint64_t test_time = current_time_monotonic(mono_time) + 42137;
+
+    mono_time_set_current_time_callback(
+        mono_time, [](void *user_data) { return *static_cast<uint64_t *>(user_data); }, &test_time);
+    mono_time_update(mono_time);
+
+    EXPECT_EQ(current_time_monotonic(mono_time), test_time);
+
+    uint64_t const start = mono_time_get(mono_time);
+
+    test_time += 7000;
+
+    mono_time_update(mono_time);
+    EXPECT_EQ(mono_time_get(mono_time) - start, 7);
+
+    EXPECT_EQ(current_time_monotonic(mono_time), test_time);
+
+    mono_time_free(mono_time);
+}
+
+}  // namespace