tc::pair_map

tc/test/grouptest.cpp

@@ -0,0 +1,94 @@
+#include <functional>
+#include <iostream>
+#include <unordered_map>
+
+#include <tc/pair_map.hpp>
+
+int iterate_ref() {
+    tc::pair_map<size_t> pm(4, 2);
+
+    for (auto [i, j, m]: pm) {
+        m = i + j;
+    }
+
+    for (auto [i, j, m]: pm) {
+        std::cout << "(" << i << "," << j << ") = " << m << std::endl;
+    }
+
+    return EXIT_SUCCESS;
+}
+
+int iterate_const() {
+    tc::pair_map<size_t> pm(4, 2);
+    for (const auto &[i, j, m]: pm) {
+        m = i + j;
+    }
+
+    const tc::pair_map<size_t> pmc = pm;
+    for (auto [i, j, m]: pmc) {
+        std::cout << "(" << i << "," << j << ") = " << m << std::endl;
+    }
+
+    return EXIT_SUCCESS;
+}
+
+int iterate() {
+    tc::pair_map<size_t> pm(4, 2);
+
+    std::cout << pm(0, 0) << std::endl;
+    pm(0, 0) = 3;
+    std::cout << pm(0, 0) << std::endl;
+
+    for (auto [i, j, m]: pm) {
+        std::cout << i << " " << j << " = " << m << std::endl;
+    }
+
+    std::cout << pm(1, 0) << " " << pm(0, 1) << std::endl;
+    pm(1, 0) = 7;
+    std::cout << pm(1, 0) << " " << pm(0, 1) << std::endl;
+    pm(0, 1) = 9;
+    std::cout << pm(1, 0) << " " << pm(0, 1) << std::endl;
+
+    return EXIT_SUCCESS;
+}
+
+int view() {
+    tc::pair_map<size_t> pm(4, 2);
+
+    for (int i = 0; i < 4; ++i) {
+        for (int j = i; j < 4; ++j) {
+            pm(i, j) = i + j;
+        }
+    }
+
+    std::cout << "ALL:" << std::endl;
+    for (auto [i, j, m]: pm) {
+        std::cout << "  (" << i << "," << j << ") = " << m << std::endl;
+    }
+
+    std::cout << "VIEW:" << std::endl;
+    for (auto [i, j, m]: pm.of(2)) {
+        std::cout << "  (" << i << "," << j << ") = " << m << std::endl;
+    }
+
+    return EXIT_SUCCESS;
+}
+
+static std::unordered_map<std::string, std::function<int()>> tests = {
+    {"iterate_ref",   iterate_ref},
+    {"iterate_const", iterate_const},
+    {"iterate",       iterate},
+    {"view",          view},
+};
+
+int main(int argc, char *argv[]) {
+    std::vector<std::string> args(argv + 1, argv + argc);
+
+    auto it = tests.find(args[0]);
+    if (it == tests.end()) {
+        std::cout << "Test not found" << std::endl;
+        return EXIT_FAILURE;
+    }
+    auto test = it->second;
+    return test();
+}