assertNotNull(Boolean.valueOf(result), "isValid should return a boolean result");
        } catch (final NullPointerException e) {
            // This is expected if the implementation requires a non-null context
            assertTrue(true, "NPE is acceptable for null context in this implementation");
        }
    }

    private CustomSize createBasicAnnotation() {
        return new CustomSize() {
            @Override

        public void setLoginCredential(LoginCredential loginCredential) {
            this.loginCredential = loginCredential;
        }

        public void setActionResponse(ActionResponse actionResponse) {
            this.actionResponse = actionResponse;
        }

        public void setLogoutUrl(String logoutUrl) {
            this.logoutUrl = logoutUrl;
        }

        @Override

            this.queryString = queryString;
        }

        public void setServletPath(String servletPath) {
            this.servletPath = servletPath;
        }

        public void setMethod(String method) {
            this.method = method;
        }

        public void setRequestURI(String requestURI) {
            this.requestURI = requestURI;
        }

        assertNull(languageHelper.detectLanguage("   "));
    }

    @Test
    public void test_detectLanguage_withoutDetector() {
        // Without a real detector, this would cause NullPointerException
        try {
            languageHelper.detectLanguage("This is English text");
            fail("Should throw NullPointerException without detector");
        } catch (NullPointerException e) {
            // Expected
        }

/*
 * Copyright 2020 the original author or 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,

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * 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,

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * 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,

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * 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,

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * 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,

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * 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,