internal/gamepad: drop the inotify test, as requested in review

internal/gamepad/export_linux_test.go

@@ -23,11 +23,3 @@ const (
 	FFEffectUnionOffset  = unsafe.Offsetof(ff_effect{}.u)
 	FFEffectRumbleOffset = unsafe.Offsetof(ff_effect{}.u) + unsafe.Offsetof(ff_effect_union{}.rumble)
 )
-
-const DirName = dirName
-
-// InitNativeGamepadsForTest initializes the device-polling backend, as the first [Update] does.
-func InitNativeGamepadsForTest() error {
-	var gs gamepads
-	return newNativeGamepadsImpl().init(&gs)
-}

internal/gamepad/gamepad_linux_test.go

@@ -1,74 +0,0 @@
-// Copyright 2026 The Ebitengine Authors
-//
-// 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
-//
-//     http://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.
-
-//go:build !android && !nintendosdk && !playstation5
-
-package gamepad_test
-
-import (
-	"os"
-	"strconv"
-	"strings"
-	"testing"
-
-	"golang.org/x/sys/unix"
-
-	"github.com/hajimehoshi/ebiten/v2/internal/gamepad"
-)
-
-// TestInitWithoutInotify verifies that initialization succeeds when no inotify instance can be
-// created, because another program of the same user took them all (#3304).
-func TestInitWithoutInotify(t *testing.T) {
-	if _, err := os.Stat(gamepad.DirName); err != nil {
-		t.Skipf("%s is not available, initialization never reaches inotify", gamepad.DirName)
-	}
-
-	// Reading the limit up front bounds the loop below and keeps file descriptors to spare.
-	var rlimit unix.Rlimit
-	if err := unix.Getrlimit(unix.RLIMIT_NOFILE, &rlimit); err != nil {
-		t.Skipf("unix.Getrlimit: %v", err)
-	}
-	content, err := os.ReadFile("/proc/sys/fs/inotify/max_user_instances")
-	if err != nil {
-		t.Skipf("os.ReadFile: %v", err)
-	}
-	limit, err := strconv.Atoi(strings.TrimSpace(string(content)))
-	if err != nil {
-		t.Skipf("strconv.Atoi: %v", err)
-	}
-	if uint64(limit)+256 > uint64(rlimit.Cur) {
-		t.Skipf("fs.inotify.max_user_instances is %d, too close to the file descriptor limit %d to exhaust", limit, rlimit.Cur)
-	}
-
-	var held []int
-	defer func() {
-		for _, fd := range held {
-			_ = unix.Close(fd)
-		}
-	}()
-	for len(held) <= limit {
-		fd, err := unix.InotifyInit1(unix.IN_NONBLOCK | unix.IN_CLOEXEC)
-		if err != nil {
-			break
-		}
-		held = append(held, fd)
-	}
-	if len(held) > limit {
-		t.Skip("could not exhaust the inotify instances of this user")
-	}
-
-	if err := gamepad.InitNativeGamepadsForTest(); err != nil {
-		t.Errorf("gamepad.InitNativeGamepadsForTest(): got: %v, want: nil", err)
-	}
-}