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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.tomcat.util.http.parser;
import java.io.StringReader;
import java.util.List;
import java.util.Locale;
import org.junit.Assert;
import org.junit.Test;
public class TestAcceptLanguage {
private static final Locale L_EN = Locale.forLanguageTag("en");
private static final Locale L_EN_GB = Locale.forLanguageTag("en-gb");
private static final Locale L_FR = Locale.forLanguageTag("fr");
private static final double Q1_000 = 1;
private static final double Q0_500 = 0.5;
private static final double Q0_050 = 0.05;
@Test
public void testSingle01() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle02() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle03() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle04() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb; "));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle05() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=1"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle06() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb; q=1"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle07() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb; q= 1"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle08() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb; q = 1"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle09() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb; q = 1 "));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle10() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb; q =\t1"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle11() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb; q =1\t"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle12() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb; q =\t1\t"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle13() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=0.5"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle14() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=0.50"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle15() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=0.500"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle16() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=0.5009"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testSingle17() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;,"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testMalformed01() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;x=1,en-gb;q=0.5"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testMalformed02() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=a,en-gb;q=0.5"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testMalformed03() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=0.5a,en-gb;q=0.5"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testMalformed04() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=0.05a,en-gb;q=0.5"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testMalformed05() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=0.005a,en-gb;q=0.5"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testMalformed06() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=0.00005a,en-gb;q=0.5"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testMalformed07() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en,,"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testMalformed08() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader(",en,"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testMalformed09() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader(",,en"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testMalformed10() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en;q"));
Assert.assertEquals(0, actual.size());
}
@Test
public void testMalformed11() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=1a0"));
Assert.assertEquals(0, actual.size());
}
@Test
public void testMalformed12() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=1.a0"));
Assert.assertEquals(0, actual.size());
}
@Test
public void testMalformed13() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=1.0a0"));
Assert.assertEquals(0, actual.size());
}
@Test
public void testMalformed14() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=1.1"));
Assert.assertEquals(0, actual.size());
}
@Test
public void testMalformed15() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en-gb;q=1a0,en-gb;q=0.5"));
Assert.assertEquals(1, actual.size());
Assert.assertEquals(L_EN_GB, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
}
@Test
public void testMultiple01() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en,fr"));
Assert.assertEquals(2, actual.size());
Assert.assertEquals(L_EN, actual.get(0).getLocale());
Assert.assertEquals(Q1_000, actual.get(0).getQuality(), 0.0001);
Assert.assertEquals(L_FR, actual.get(1).getLocale());
Assert.assertEquals(Q1_000, actual.get(1).getQuality(), 0.0001);
}
@Test
public void testMultiple02() throws Exception {
List<AcceptLanguage> actual = AcceptLanguage.parse(new StringReader("en; q= 0.05,fr;q=0.5"));
Assert.assertEquals(2, actual.size());
Assert.assertEquals(L_EN, actual.get(0).getLocale());
Assert.assertEquals(Q0_050, actual.get(0).getQuality(), 0.0001);
Assert.assertEquals(L_FR, actual.get(1).getLocale());
Assert.assertEquals(Q0_500, actual.get(1).getQuality(), 0.0001);
}
@Test
public void bug56848() throws Exception {
List<AcceptLanguage> actual =
AcceptLanguage.parse(new StringReader("zh-hant-CN;q=0.5,zh-hans-TW;q=0.05"));
Assert.assertEquals(2, actual.size());
Locale.Builder b = new Locale.Builder();
b.setLanguage("zh").setRegion("CN").setScript("hant");
Locale l1 = b.build();
b.clear().setLanguage("zh").setRegion("TW").setScript("hans");
Locale l2 = b.build();
Assert.assertEquals(l1, actual.get(0).getLocale());
Assert.assertEquals(Q0_500, actual.get(0).getQuality(), 0.0001);
Assert.assertEquals(l2, actual.get(1).getLocale());
Assert.assertEquals(Q0_050, actual.get(1).getQuality(), 0.0001);
}
}
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