Add vector and option.

1 files changed, 54 insertions, 0 deletions

diff --git a/test/test_option.cpp b/test/test_option.cpp
new file mode 100644
index 0000000..a503a5f
--- /dev/null
+++ b/test/test_option.cpp
@@ -0,0 +1,54 @@
+/*
+ * libfud
+ * Copyright 2024 Dominick Allen
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "fud_option.hpp"
+
+#include "gtest/gtest.h"
+
+namespace fud {
+
+TEST(OptionTest, OptionCreation)
+{
+    static_assert(sizeof(std::reference_wrapper<int>) == 8);
+    int value = 42;
+    Option<int> maybeValue{};
+    ASSERT_FALSE(maybeValue.hasValue());
+    maybeValue = value;
+    ASSERT_TRUE(maybeValue.hasValue());
+}
+
+TEST(OptionTest, OptionRef)
+{
+    int value = 42;
+    Option<int&> optionalValueRef{value};
+    ASSERT_TRUE(optionalValueRef.hasValue());
+    ASSERT_EQ(optionalValueRef.value(), 42);
+    optionalValueRef.value() = 7;
+    ASSERT_EQ(value, 7);
+
+    value = 42;
+    int otherValue = 13;
+    optionalValueRef = otherValue;
+    ASSERT_TRUE(optionalValueRef.hasValue());
+    ASSERT_EQ(optionalValueRef.value(), otherValue);
+    optionalValueRef.value() = 7;
+    ASSERT_EQ(optionalValueRef.value(), otherValue);
+    ASSERT_EQ(otherValue, 7);
+    ASSERT_EQ(value, 42);
+}
+
+} // namespace fud