1 files changed, 93 insertions, 0 deletions
diff --git a/goldfishterm/terminfo_system_test.cc b/goldfishterm/terminfo_system_test.cc
new file mode 100644
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+++ b/goldfishterm/terminfo_system_test.cc
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+// Copyright 2021 Benjamin Barenblat
+//
+// 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
+//
+//     https://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 <getopt.h>
+#include <locale.h>
+
+#include <iostream>
+#include <stdexcept>
+#include <string>
+
+#include "goldfishterm/terminfo.h"
+#include "third_party/abseil/absl/strings/string_view.h"
+
+constexpr absl::string_view kShortUsage =
+    "Usage: find /usr/share/terminfo -type f -exec basename '{}' ';' | sort | "
+    "uniq |\n               terminfo_system_test\n";
+
+constexpr absl::string_view kHelp = R"(
+Tests goldfishterm's terminfo parser against real-world binary terminfo files.
+Reads terminal names, one per line, from standard input and attempts to look up
+and parse the terminfo file associated with each one. Prints the terminal names
+that failed lookup or parsing.
+
+A Reverse Polish scientific calculator. Invoked directly, ec launches an
+interactive interpreter that displays the stack and accepts input. Invoked on a
+file, ec processes the entire file; if the result stack is nonempty, ec prints
+the stack in space-separated form.
+
+Options:
+      --help                  display this help and exit
+)";
+
+constexpr absl::string_view kAskForHelp =
+    "Try 'terminfo_system_test --help' for more information.\n";
+
+enum {
+  kHelpLongOption = 128,
+};
+
+int main(int argc, char* argv[]) {
+  setlocale(LC_ALL, "");
+
+  static option long_options[] = {
+      {"help", no_argument, nullptr, kHelpLongOption},
+      {nullptr, 0, nullptr, 0},
+  };
+  while (true) {
+    int c = getopt_long(argc, argv, "", long_options, /*longindex=*/nullptr);
+    if (c == -1) {
+      break;
+    }
+    switch (c) {
+      case kHelpLongOption:
+        std::cout << kShortUsage << kHelp;
+        return 0;
+      case '?':
+        std::cerr << kAskForHelp;
+        return 1;
+      default:
+        std::cerr << "terminfo_system_test: internal error: unhandled getopt "
+                  << "switch\nThis is a bug! Please report it.\n";
+        return 1;
+    }
+  }
+
+  if (optind != argc) {
+    std::cerr << kShortUsage << kAskForHelp;
+    return 1;
+  }
+
+  std::string line;
+  int r = 0;
+  while (std::getline(std::cin, line)) {
+    try {
+      goldfishterm::TerminfoEntry::FromSystemDatabase(line);
+    } catch (const std::runtime_error&) {
+      std::cout << line << '\n';
+      r = 1;
+    }
+  }
+  return r;
+}