Initial Course

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);
+}