Initial Course

modules/14_cpp26/test/constexpr_frontier_test.cpp

@@ -0,0 +1,15 @@
+#include "constexpr_frontier.hpp"
+#include <gtest/gtest.h>
+
+TEST(ConstexprFrontier, Factorial) {
+    EXPECT_EQ(cpp26::compile_time_factorial(5), 120);
+}
+
+TEST(ConstexprFrontier, CompileTimeSum) {
+    EXPECT_EQ(cpp26::compile_time_sum({1, 2, 3, 4, 5}), 15);
+}
+
+TEST(ConstexprFrontier, IsSorted) {
+    EXPECT_TRUE(cpp26::is_sorted({1, 2, 3, 4, 5}));
+    EXPECT_FALSE(cpp26::is_sorted({1, 3, 2, 4, 5}));
+}

modules/14_cpp26/test/custom_formatter_test.cpp

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+#include "custom_formatter.hpp"
+#include <gtest/gtest.h>
+
+TEST(CustomFormatter, FormatPoint) {
+    EXPECT_EQ(cpp26::format_point({3, 4}), "(3, 4)");
+}
+
+TEST(CustomFormatter, FormatPoints) {
+    EXPECT_EQ(cpp26::format_points({1, 2}, {3, 4}), "(1, 2) -> (3, 4)");
+}

modules/14_cpp26/test/monadic_expected_test.cpp

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+#include "monadic_expected.hpp"
+#include <gtest/gtest.h>
+
+TEST(MonadicExpected, LoadUserName) {
+    EXPECT_EQ(*cpp26::load_user_name("42"), "User-42");
+    EXPECT_EQ(cpp26::load_user_name("x"), std::unexpected(cpp26::ErrorCode::Invalid));
+    EXPECT_EQ(cpp26::load_user_name("999"), std::unexpected(cpp26::ErrorCode::NotFound));
+}

modules/14_cpp26/test/pipeline_ranges_test.cpp

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+#include "pipeline_ranges.hpp"
+#include <gtest/gtest.h>
+
+TEST(PipelineRanges, TopValuesByCategory) {
+    const std::vector<cpp26::Record> records{
+        {"math", 10}, {"math", 50}, {"code", 30}, {"code", 5}};
+    const auto result = cpp26::top_values_by_category(records, 20);
+    ASSERT_EQ(result.size(), 2U);
+    EXPECT_EQ(result[0].category, "math");
+    EXPECT_EQ(result[0].value, 50);
+}
+
+TEST(PipelineRanges, TotalByCategory) {
+    const std::vector<cpp26::Record> records{{"math", 10}, {"math", 5}, {"code", 7}};
+    const auto totals = cpp26::total_by_category(records);
+    ASSERT_EQ(totals.size(), 2U);
+    EXPECT_EQ(totals[0].first, "code");
+    EXPECT_EQ(totals[0].second, 7);
+}