1   /*
2    * $Id: FloatValidatorTest.java 371174 2006-01-22 03:24:40Z niallp $
3    * $Revision: 371174 $
4    * $Date: 2006-01-22 03:24:40 +0000 (Sun, 22 Jan 2006) $
5    *
6    * ====================================================================
7    * Copyright 2006 The Apache Software Foundation
8    *
9    * Licensed under the Apache License, Version 2.0 (the "License");
10   * you may not use this file except in compliance with the License.
11   * You may obtain a copy of the License at
12   *
13   *     http://www.apache.org/licenses/LICENSE-2.0
14   *
15   * Unless required by applicable law or agreed to in writing, software
16   * distributed under the License is distributed on an "AS IS" BASIS,
17   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18   * See the License for the specific language governing permissions and
19   * limitations under the License.
20   */
21  package org.apache.commons.validator.routines;
22  
23  import java.text.DecimalFormat;
24  import java.util.Locale;
25  
26  /***
27   * Test Case for FloatValidator.
28   * 
29   * @version $Revision: 371174 $ $Date: 2006-01-22 03:24:40 +0000 (Sun, 22 Jan 2006) $
30   */
31  public class FloatValidatorTest extends BaseNumberValidatorTest {
32  
33      /***
34       * Main
35       * @param args arguments
36       */
37      public static void main(String[] args) {
38          junit.textui.TestRunner.run(FloatValidatorTest.class);
39      }
40  
41      /***
42       * Constructor
43       * @param name test name
44       */
45      public FloatValidatorTest(String name) {
46          super(name);
47      }
48  
49      protected void setUp() throws Exception {
50          super.setUp();
51  
52          validator       = new FloatValidator(false, 0);
53          strictValidator = new FloatValidator();
54  
55          testPattern = "#,###.#";
56  
57          // testValidateMinMax()
58          max = new Float(Float.MAX_VALUE);
59          maxPlusOne = new Double(max.doubleValue() * 10);
60          min = new Float(Float.MAX_VALUE * -1);
61          minMinusOne = new Double(min.doubleValue() * 10);
62  
63          // testInvalidStrict()
64          invalidStrict = new String[] {null, "", "X", "X12", "12X", "1X2"};
65  
66          // testInvalidNotStrict()
67          invalid       = new String[] {null, "", "X", "X12"};
68  
69          // testValid()
70          testNumber    = new Float(1234.5);
71          testZero      = new Float(0);
72          validStrict          = new String[] {"0", "1234.5", "1,234.5"};
73          validStrictCompare   = new Number[] {testZero, testNumber, testNumber};
74          valid                = new String[] {"0", "1234.5", "1,234.5", "1,234.5", "1234.5X"};
75          validCompare         = new Number[] {testZero, testNumber, testNumber, testNumber, testNumber};
76  
77          testStringUS = "1,234.5";
78          testStringDE = "1.234,5";
79  
80          // Localized Pattern test
81          localeValue = testStringDE;
82          localePattern = "#.###,#";
83          testLocale    = Locale.GERMANY;
84          localeExpected = testNumber;
85  
86      }
87  
88      /***
89       * Test FloatValidator validate Methods
90       */
91      public void testFloatValidatorMethods() {
92          Locale locale     = Locale.GERMAN;
93          String pattern    = "0,00,00";
94          String patternVal = "1,23,45";
95          String localeVal  = "12.345";
96          String germanPatternVal = "1.23.45";
97          String defaultVal = "12,345";
98          String XXXX    = "XXXX"; 
99          Float expected = new Float(12345);
100         assertEquals("validate(A) default", expected, FloatValidator.getInstance().validate(defaultVal));
101         assertEquals("validate(A) locale ", expected, FloatValidator.getInstance().validate(localeVal, locale));
102         assertEquals("validate(A) pattern", expected, FloatValidator.getInstance().validate(patternVal, pattern));
103         assertEquals("validate(A) both",    expected, FloatValidator.getInstance().validate(germanPatternVal, pattern, Locale.GERMAN));
104 
105         assertTrue("isValid(A) default", FloatValidator.getInstance().isValid(defaultVal));
106         assertTrue("isValid(A) locale ", FloatValidator.getInstance().isValid(localeVal, locale));
107         assertTrue("isValid(A) pattern", FloatValidator.getInstance().isValid(patternVal, pattern));
108         assertTrue("isValid(A) both",    FloatValidator.getInstance().isValid(germanPatternVal, pattern, Locale.GERMAN));
109 
110         assertNull("validate(B) default", FloatValidator.getInstance().validate(XXXX));
111         assertNull("validate(B) locale ", FloatValidator.getInstance().validate(XXXX, locale));
112         assertNull("validate(B) pattern", FloatValidator.getInstance().validate(XXXX, pattern));
113         assertNull("validate(B) both",    FloatValidator.getInstance().validate(patternVal, pattern, Locale.GERMAN));
114 
115         assertFalse("isValid(B) default", FloatValidator.getInstance().isValid(XXXX));
116         assertFalse("isValid(B) locale ", FloatValidator.getInstance().isValid(XXXX, locale));
117         assertFalse("isValid(B) pattern", FloatValidator.getInstance().isValid(XXXX, pattern));
118         assertFalse("isValid(B) both",    FloatValidator.getInstance().isValid(patternVal, pattern, Locale.GERMAN));
119     }
120 
121     /***
122      * Test Float validation for values too small to handle.
123      * (slightly different from max/min which are the largest +ve/-ve
124      */
125     public void testFloatSmallestValues() {
126         String pattern = "#.#################################################################";
127         DecimalFormat fmt = new DecimalFormat(pattern);
128 
129         // Validate Smallest +ve value
130         Float smallestPositive  = new Float(Float.MIN_VALUE);
131         String strSmallestPositive = fmt.format(smallestPositive);
132         assertEquals("Smallest +ve", smallestPositive, FloatValidator.getInstance().validate(strSmallestPositive, pattern));
133 
134         // Validate Smallest -ve value
135         Float smallestNegative  = new Float(Float.MIN_VALUE * -1);
136         String strSmallestNegative = fmt.format(smallestNegative);
137         assertEquals("Smallest -ve", smallestNegative, FloatValidator.getInstance().validate(strSmallestNegative, pattern));
138 
139         // Validate Too Small +ve
140         Double tooSmallPositive = new Double(((double)Float.MIN_VALUE / (double)10)); 
141         String strTooSmallPositive = fmt.format(tooSmallPositive);
142         assertFalse("Too small +ve", FloatValidator.getInstance().isValid(strTooSmallPositive, pattern));
143 
144         // Validate Too Small -ve
145         Double tooSmallNegative = new Double(tooSmallPositive.doubleValue() * (double)-1);
146         String strTooSmallNegative = fmt.format(tooSmallNegative);
147         assertFalse("Too small -ve", FloatValidator.getInstance().isValid(strTooSmallNegative, pattern));
148     }
149 
150     /***
151      * Test Float Range/Min/Max
152      */
153     public void testFloatRangeMinMax() {
154         FloatValidator validator = (FloatValidator)strictValidator;
155         Float number9  = validator.validate("9", "#");
156         Float number10 = validator.validate("10", "#");
157         Float number11 = validator.validate("11", "#");
158         Float number19 = validator.validate("19", "#");
159         Float number20 = validator.validate("20", "#");
160         Float number21 = validator.validate("21", "#");
161 
162         // Test isInRange()
163         assertFalse("isInRange() < min",   validator.isInRange(number9,  10, 20));
164         assertTrue("isInRange() = min",    validator.isInRange(number10, 10, 20));
165         assertTrue("isInRange() in range", validator.isInRange(number11, 10, 20));
166         assertTrue("isInRange() = max",    validator.isInRange(number20, 10, 20));
167         assertFalse("isInRange() > max",   validator.isInRange(number21, 10, 20));
168 
169         // Test minValue()
170         assertFalse("minValue() < min",    validator.minValue(number9,  10));
171         assertTrue("minValue() = min",     validator.minValue(number10, 10));
172         assertTrue("minValue() > min",     validator.minValue(number11, 10));
173 
174         // Test minValue()
175         assertTrue("maxValue() < max",     validator.maxValue(number19, 20));
176         assertTrue("maxValue() = max",     validator.maxValue(number20, 20));
177         assertFalse("maxValue() > max",    validator.maxValue(number21, 20));
178     }
179 }