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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.validator.routines;
18  
19  import static org.junit.jupiter.api.Assertions.assertEquals;
20  import static org.junit.jupiter.api.Assertions.assertFalse;
21  import static org.junit.jupiter.api.Assertions.assertNull;
22  import static org.junit.jupiter.api.Assertions.assertTrue;
23  
24  import java.util.Locale;
25  
26  import org.junit.jupiter.api.BeforeEach;
27  import org.junit.jupiter.api.Test;
28  
29  /**
30   * Test Case for IntegerValidator.
31   */
32  public class IntegerValidatorTest extends AbstractNumberValidatorTest {
33  
34      private static final Integer INT_MIN_VAL = Integer.valueOf(Integer.MIN_VALUE);
35      private static final Integer INT_MAX_VAL = Integer.valueOf(Integer.MAX_VALUE);
36      private static final String INT_MAX = "2147483647";
37      private static final String INT_MAX_0 = "2147483647.99999999999999999999999"; // force double rounding
38      private static final String INT_MAX_1 = "2147483648";
39      private static final String INT_MIN = "-2147483648";
40      private static final String INT_MIN_0 = "-2147483648.99999999999999999999999"; // force double rounding";
41      private static final String INT_MIN_1 = "-2147483649";
42  
43      @Override
44      @BeforeEach
45      protected void setUp() {
46          super.setUp();
47  
48          validator = new IntegerValidator(false, 0);
49          strictValidator = new IntegerValidator();
50  
51          testPattern = "#,###";
52  
53          // testValidateMinMax()
54          max = Integer.valueOf(Integer.MAX_VALUE);
55          maxPlusOne = Long.valueOf(max.longValue() + 1);
56          min = Integer.valueOf(Integer.MIN_VALUE);
57          minMinusOne = Long.valueOf(min.longValue() - 1);
58  
59          // testInvalidStrict()
60          invalidStrict = new String[] { null, "", "X", "X12", "12X", "1X2", "1.2", INT_MAX_1, INT_MIN_1 };
61  
62          // testInvalidNotStrict()
63          invalid = new String[] { null, "", "X", "X12", INT_MAX_1, INT_MIN_1 };
64  
65          // testValid()
66          testNumber = Integer.valueOf(1234);
67          testZero = Integer.valueOf(0);
68          validStrict = new String[] { "0", "1234", "1,234", INT_MAX, INT_MIN };
69          validStrictCompare = new Number[] { testZero, testNumber, testNumber, INT_MAX_VAL, INT_MIN_VAL };
70          valid = new String[] { "0", "1234", "1,234", "1,234.5", "1234X", INT_MAX, INT_MIN, INT_MAX_0, INT_MIN_0 };
71          validCompare = new Number[] { testZero, testNumber, testNumber, testNumber, testNumber, INT_MAX_VAL, INT_MIN_VAL, INT_MAX_VAL, INT_MIN_VAL };
72  
73          testStringUS = "1,234";
74          testStringDE = "1.234";
75  
76          // Localized Pattern test
77          localeValue = testStringDE;
78          localePattern = "#.###";
79          testLocale = Locale.GERMANY;
80          localeExpected = testNumber;
81      }
82  
83      /**
84       * Test Integer Range/Min/Max
85       */
86      @Test
87      public void testIntegerRangeMinMax() {
88          final IntegerValidator validator = (IntegerValidator) strictValidator;
89          final Integer number9 = validator.validate("9", "#");
90          final Integer number10 = validator.validate("10", "#");
91          final Integer number11 = validator.validate("11", "#");
92          final Integer number19 = validator.validate("19", "#");
93          final Integer number20 = validator.validate("20", "#");
94          final Integer number21 = validator.validate("21", "#");
95  
96          // Test isInRange()
97          assertFalse(validator.isInRange(number9, 10, 20), "isInRange() < min");
98          assertTrue(validator.isInRange(number10, 10, 20), "isInRange() = min");
99          assertTrue(validator.isInRange(number11, 10, 20), "isInRange() in range");
100         assertTrue(validator.isInRange(number20, 10, 20), "isInRange() = max");
101         assertFalse(validator.isInRange(number21, 10, 20), "isInRange() > max");
102 
103         // Test minValue()
104         assertFalse(validator.minValue(number9, 10), "minValue() < min");
105         assertTrue(validator.minValue(number10, 10), "minValue() = min");
106         assertTrue(validator.minValue(number11, 10), "minValue() > min");
107 
108         // Test minValue()
109         assertTrue(validator.maxValue(number19, 20), "maxValue() < max");
110         assertTrue(validator.maxValue(number20, 20), "maxValue() = max");
111         assertFalse(validator.maxValue(number21, 20), "maxValue() > max");
112     }
113 
114     /**
115      * Test IntegerValidator validate Methods
116      */
117     @Test
118     public void testIntegerValidatorMethods() {
119         final Locale locale = Locale.GERMAN;
120         final String pattern = "0,00,00";
121         final String patternVal = "1,23,45";
122         final String germanPatternVal = "1.23.45";
123         final String localeVal = "12.345";
124         final String defaultVal = "12,345";
125         final String XXXX = "XXXX";
126         final Integer expected = Integer.valueOf(12345);
127         assertEquals(expected, IntegerValidator.getInstance().validate(defaultVal), "validate(A) default");
128         assertEquals(expected, IntegerValidator.getInstance().validate(localeVal, locale), "validate(A) locale");
129         assertEquals(expected, IntegerValidator.getInstance().validate(patternVal, pattern), "validate(A) pattern");
130         assertEquals(expected, IntegerValidator.getInstance().validate(germanPatternVal, pattern, Locale.GERMAN), "validate(A) both");
131 
132         assertTrue(IntegerValidator.getInstance().isValid(defaultVal), "isValid(A) default");
133         assertTrue(IntegerValidator.getInstance().isValid(localeVal, locale), "isValid(A) locale");
134         assertTrue(IntegerValidator.getInstance().isValid(patternVal, pattern), "isValid(A) pattern");
135         assertTrue(IntegerValidator.getInstance().isValid(germanPatternVal, pattern, Locale.GERMAN), "isValid(A) both");
136 
137         assertNull(IntegerValidator.getInstance().validate(XXXX), "validate(B) default");
138         assertNull(IntegerValidator.getInstance().validate(XXXX, locale), "validate(B) locale");
139         assertNull(IntegerValidator.getInstance().validate(XXXX, pattern), "validate(B) pattern");
140         assertNull(IntegerValidator.getInstance().validate(patternVal, pattern, Locale.GERMAN), "validate(B) both");
141 
142         assertFalse(IntegerValidator.getInstance().isValid(XXXX), "isValid(B) default");
143         assertFalse(IntegerValidator.getInstance().isValid(XXXX, locale), "isValid(B) locale");
144         assertFalse(IntegerValidator.getInstance().isValid(XXXX, pattern), "isValid(B) pattern");
145         assertFalse(IntegerValidator.getInstance().isValid(patternVal, pattern, Locale.GERMAN), "isValid(B) both");
146     }
147 
148     @Test
149     public void testMinMaxValues() {
150         assertTrue(validator.isValid("2147483647"), "2147483647 is max integer");
151         assertFalse(validator.isValid("2147483648"), "2147483648 > max integer");
152         assertTrue(validator.isValid("-2147483648"), "-2147483648 is min integer");
153         assertFalse(validator.isValid("-2147483649"), "-2147483649 < min integer");
154     }
155 }