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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 java.text.DecimalFormat;
20  import java.util.Locale;
21  
22  /**
23   * Test Case for FloatValidator.
24   * 
25   * @version $Revision$
26   */
27  public class FloatValidatorTest extends AbstractNumberValidatorTest {
28  
29      /**
30       * Constructor
31       * @param name test name
32       */
33      public FloatValidatorTest(String name) {
34          super(name);
35      }
36  
37      @Override
38      protected void setUp() throws Exception {
39          super.setUp();
40  
41          validator       = new FloatValidator(false, 0);
42          strictValidator = new FloatValidator();
43  
44          testPattern = "#,###.#";
45  
46          // testValidateMinMax()
47          max = Float.valueOf(Float.MAX_VALUE);
48          maxPlusOne = Double.valueOf(max.doubleValue() * 10);
49          min = Float.valueOf(Float.MAX_VALUE * -1);
50          minMinusOne = Double.valueOf(min.doubleValue() * 10);
51  
52          // testInvalidStrict()
53          invalidStrict = new String[] {null, "", "X", "X12", "12X", "1X2"};
54  
55          // testInvalidNotStrict()
56          invalid       = new String[] {null, "", "X", "X12"};
57  
58          // testValid()
59          testNumber    = Float.valueOf(1234.5f);
60          testZero      = Float.valueOf(0);
61          validStrict          = new String[] {"0", "1234.5", "1,234.5"};
62          validStrictCompare   = new Number[] {testZero, testNumber, testNumber};
63          valid                = new String[] {"0", "1234.5", "1,234.5", "1,234.5", "1234.5X"};
64          validCompare         = new Number[] {testZero, testNumber, testNumber, testNumber, testNumber};
65  
66          testStringUS = "1,234.5";
67          testStringDE = "1.234,5";
68  
69          // Localized Pattern test
70          localeValue = testStringDE;
71          localePattern = "#.###,#";
72          testLocale    = Locale.GERMANY;
73          localeExpected = testNumber;
74  
75      }
76  
77      /**
78       * Test FloatValidator validate Methods
79       */
80      public void testFloatValidatorMethods() {
81          Locale locale     = Locale.GERMAN;
82          String pattern    = "0,00,00";
83          String patternVal = "1,23,45";
84          String localeVal  = "12.345";
85          String germanPatternVal = "1.23.45";
86          String defaultVal = "12,345";
87          String XXXX    = "XXXX"; 
88          Float expected = Float.valueOf(12345);
89          assertEquals("validate(A) default", expected, FloatValidator.getInstance().validate(defaultVal));
90          assertEquals("validate(A) locale ", expected, FloatValidator.getInstance().validate(localeVal, locale));
91          assertEquals("validate(A) pattern", expected, FloatValidator.getInstance().validate(patternVal, pattern));
92          assertEquals("validate(A) both",    expected, FloatValidator.getInstance().validate(germanPatternVal, pattern, Locale.GERMAN));
93  
94          assertTrue("isValid(A) default", FloatValidator.getInstance().isValid(defaultVal));
95          assertTrue("isValid(A) locale ", FloatValidator.getInstance().isValid(localeVal, locale));
96          assertTrue("isValid(A) pattern", FloatValidator.getInstance().isValid(patternVal, pattern));
97          assertTrue("isValid(A) both",    FloatValidator.getInstance().isValid(germanPatternVal, pattern, Locale.GERMAN));
98  
99          assertNull("validate(B) default", FloatValidator.getInstance().validate(XXXX));
100         assertNull("validate(B) locale ", FloatValidator.getInstance().validate(XXXX, locale));
101         assertNull("validate(B) pattern", FloatValidator.getInstance().validate(XXXX, pattern));
102         assertNull("validate(B) both",    FloatValidator.getInstance().validate(patternVal, pattern, Locale.GERMAN));
103 
104         assertFalse("isValid(B) default", FloatValidator.getInstance().isValid(XXXX));
105         assertFalse("isValid(B) locale ", FloatValidator.getInstance().isValid(XXXX, locale));
106         assertFalse("isValid(B) pattern", FloatValidator.getInstance().isValid(XXXX, pattern));
107         assertFalse("isValid(B) both",    FloatValidator.getInstance().isValid(patternVal, pattern, Locale.GERMAN));
108     }
109 
110     /**
111      * Test Float validation for values too small to handle.
112      * (slightly different from max/min which are the largest +ve/-ve
113      */
114     public void testFloatSmallestValues() {
115         String pattern = "#.#################################################################";
116         DecimalFormat fmt = new DecimalFormat(pattern);
117 
118         // Validate Smallest +ve value
119         Float smallestPositive  = Float.valueOf(Float.MIN_VALUE);
120         String strSmallestPositive = fmt.format(smallestPositive);
121         assertEquals("Smallest +ve", smallestPositive, FloatValidator.getInstance().validate(strSmallestPositive, pattern));
122 
123         // Validate Smallest -ve value
124         Float smallestNegative  = Float.valueOf(Float.MIN_VALUE * -1);
125         String strSmallestNegative = fmt.format(smallestNegative);
126         assertEquals("Smallest -ve", smallestNegative, FloatValidator.getInstance().validate(strSmallestNegative, pattern));
127 
128         // Validate Too Small +ve
129         Double tooSmallPositive = Double.valueOf(((double)Float.MIN_VALUE / (double)10)); 
130         String strTooSmallPositive = fmt.format(tooSmallPositive);
131         assertFalse("Too small +ve", FloatValidator.getInstance().isValid(strTooSmallPositive, pattern));
132 
133         // Validate Too Small -ve
134         Double tooSmallNegative = Double.valueOf(tooSmallPositive.doubleValue() * -1);
135         String strTooSmallNegative = fmt.format(tooSmallNegative);
136         assertFalse("Too small -ve", FloatValidator.getInstance().isValid(strTooSmallNegative, pattern));
137     }
138 
139     /**
140      * Test Float Range/Min/Max
141      */
142     public void testFloatRangeMinMax() {
143         FloatValidator validator = (FloatValidator)strictValidator;
144         Float number9  = validator.validate("9", "#");
145         Float number10 = validator.validate("10", "#");
146         Float number11 = validator.validate("11", "#");
147         Float number19 = validator.validate("19", "#");
148         Float number20 = validator.validate("20", "#");
149         Float number21 = validator.validate("21", "#");
150 
151         // Test isInRange()
152         assertFalse("isInRange() < min",   validator.isInRange(number9,  10, 20));
153         assertTrue("isInRange() = min",    validator.isInRange(number10, 10, 20));
154         assertTrue("isInRange() in range", validator.isInRange(number11, 10, 20));
155         assertTrue("isInRange() = max",    validator.isInRange(number20, 10, 20));
156         assertFalse("isInRange() > max",   validator.isInRange(number21, 10, 20));
157 
158         // Test minValue()
159         assertFalse("minValue() < min",    validator.minValue(number9,  10));
160         assertTrue("minValue() = min",     validator.minValue(number10, 10));
161         assertTrue("minValue() > min",     validator.minValue(number11, 10));
162 
163         // Test minValue()
164         assertTrue("maxValue() < max",     validator.maxValue(number19, 20));
165         assertTrue("maxValue() = max",     validator.maxValue(number20, 20));
166         assertFalse("maxValue() > max",    validator.maxValue(number21, 20));
167     }
168 }