Support Bluepad32 gamepads as native Joy-Con pair sources

tests/test_native_gamepad_backend_native.py

@@ -0,0 +1,67 @@
+from __future__ import annotations
+
+import shutil
+import subprocess
+from pathlib import Path
+
+import pytest
+
+
+@pytest.mark.parametrize("source", ("GAMEPAD", "DUALSENSE"))
+def test_native_gamepad_backend_native(tmp_path: Path, source: str) -> None:
+    root = Path(__file__).resolve().parents[1]
+    compiler = shutil.which("c++") or shutil.which("g++")
+    assert compiler is not None, "a host C++ compiler is required"
+    executable = tmp_path / "native_gamepad_backend_test"
+    firmware = root / "src" / "firmware"
+    sources = [
+        root / "tests" / "native_gamepad_backend_test.cpp",
+        firmware / "profile" / "controller_profile.cpp",
+        firmware / "profile" / "controller_profile_transform.cpp",
+        firmware / "profile" / "controller_synthetic_input.cpp",
+        firmware / "profile" / "controller_profile_runtime.cpp",
+        firmware / "profile" / "profile_storage.cpp",
+        firmware / "input" / "wii_swing.cpp",
+        firmware / "input" / "controller_macro_capture.cpp",
+        root / "bluepad32_config" / "parser" / "uni_switch2_haptics.c",
+    ]
+    subprocess.run(
+        [
+            compiler,
+            "-std=c++17",
+            "-Wall",
+            "-Wextra",
+            "-Werror",
+            "-pedantic",
+            "-DSWITCH_PICO_HID_INSTANCE_COUNT=4",
+            "-DSWITCH_PICO_USB_OUTPUT_MODES=1",
+            "-DSWITCH_PICO_ENABLE_BLE=1",
+            "-DSWITCH_PICO_ENABLE_CLASSIC=1",
+            "-DSWITCH2_BRIDGE_FULL_INPUT=1",
+            f"-DSWITCH2_BRIDGE_{source}_INPUT=1",
+            f"-I{root / 'tests' / 'bluepad32_native_stubs'}",
+            f"-I{firmware}",
+            f"-I{root / 'bluepad32_config'}",
+            *(str(source) for source in sources),
+            "-o",
+            str(executable),
+        ],
+        check=True,
+        cwd=root,
+    )
+    for scenario in (
+        "stable-logical-slot",
+        "source-isolation",
+        "cue-lifetime",
+        "cue-races",
+    ):
+        subprocess.run([str(executable), scenario], check=True, cwd=root)
+    if source == "GAMEPAD":
+        for scenario in (
+            "sensorless-admission",
+            "independent-motion",
+            "paired-source",
+            "pair-cue-races",
+            "mono-rumble",
+        ):
+            subprocess.run([str(executable), scenario], check=True, cwd=root)