Step 220: evaluation framework

editor/tests/step220_test.cpp

@@ -0,0 +1,26 @@
+// Step 220: Evaluation framework scaffolding.
+
+#include <cassert>
+#include <fstream>
+#include <string>
+
+static std::string readFile(const std::string& path) {
+    std::ifstream f(path);
+    if (!f.is_open()) return {};
+    return std::string((std::istreambuf_iterator<char>(f)),
+                       std::istreambuf_iterator<char>());
+}
+
+static void assertContains(const std::string& text, const std::string& needle) {
+    assert(text.find(needle) != std::string::npos);
+}
+
+int main() {
+    const std::string harness = readFile("src/EvalHarness.h");
+    assertContains(harness, "struct EvalTask");
+    assertContains(harness, "struct EvalResult");
+    assertContains(harness, "class EvalRunner");
+    assertContains(harness, "evaluateTraceForTask");
+    printf("step220_test: all assertions passed\n");
+    return 0;
+}