[verified] feat: prefer selected offline map packs

tests/native/test_map_tile_stream_reader.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+from pathlib import Path
+import os
+import subprocess
+
+import pytest
+
+from native_test import find_cxx
+
+ROOT = Path(__file__).resolve().parents[2]
+SOURCE = ROOT / "tests/native/test_map_tile_stream_reader.cpp"
+
+
+@pytest.mark.parametrize("sanitize", [False, True], ids=["strict-cxx11", "asan-ubsan"])
+def test_map_tile_stream_reader(tmp_path: Path, sanitize: bool) -> None:
+    binary = tmp_path / "test_map_tile_stream_reader"
+    command = [find_cxx(), "-std=c++11", "-Wall", "-Wextra", "-Werror", "-pedantic",
+               "-Wconversion", "-Wsign-conversion", f"-I{ROOT / 'lib/tdeck_ui'}",
+               str(SOURCE), "-o", str(binary)]
+    if sanitize:
+        command[1:1] = ["-fsanitize=address,undefined", "-fno-omit-frame-pointer"]
+    compiled = subprocess.run(command, capture_output=True, text=True, timeout=60)
+    assert compiled.returncode == 0, compiled.stdout + compiled.stderr
+    env = os.environ.copy()
+    if sanitize:
+        env["ASAN_OPTIONS"] = "detect_leaks=1:halt_on_error=1"
+        env["UBSAN_OPTIONS"] = "halt_on_error=1:print_stacktrace=1"
+    ran = subprocess.run([str(binary)], capture_output=True, text=True, timeout=60, env=env)
+    assert ran.returncode == 0, ran.stdout + ran.stderr
+    assert ran.stdout == "map tile stream reader: 3 tests passed\n"