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: 478334 $ $Date: 2006-11-22 21:31:54 +0000 (Wed, 22 Nov 2006) $
26   */
27  public class FloatValidatorTest extends BaseNumberValidatorTest {
28  
29      /***
30       * Main
31       * @param args arguments
32       */
33      public static void main(String[] args) {
34          junit.textui.TestRunner.run(FloatValidatorTest.class);
35      }
36  
37      /***
38       * Constructor
39       * @param name test name
40       */
41      public FloatValidatorTest(String name) {
42          super(name);
43      }
44  
45      protected void setUp() throws Exception {
46          super.setUp();
47  
48          validator       = new FloatValidator(false, 0);
49          strictValidator = new FloatValidator();
50  
51          testPattern = "#,###.#";
52  
53          // testValidateMinMax()
54          max = new Float(Float.MAX_VALUE);
55          maxPlusOne = new Double(max.doubleValue() * 10);
56          min = new Float(Float.MAX_VALUE * -1);
57          minMinusOne = new Double(min.doubleValue() * 10);
58  
59          // testInvalidStrict()
60          invalidStrict = new String[] {null, "", "X", "X12", "12X", "1X2"};
61  
62          // testInvalidNotStrict()
63          invalid       = new String[] {null, "", "X", "X12"};
64  
65          // testValid()
66          testNumber    = new Float(1234.5);
67          testZero      = new Float(0);
68          validStrict          = new String[] {"0", "1234.5", "1,234.5"};
69          validStrictCompare   = new Number[] {testZero, testNumber, testNumber};
70          valid                = new String[] {"0", "1234.5", "1,234.5", "1,234.5", "1234.5X"};
71          validCompare         = new Number[] {testZero, testNumber, testNumber, testNumber, testNumber};
72  
73          testStringUS = "1,234.5";
74          testStringDE = "1.234,5";
75  
76          // Localized Pattern test
77          localeValue = testStringDE;
78          localePattern = "#.###,#";
79          testLocale    = Locale.GERMANY;
80          localeExpected = testNumber;
81  
82      }
83  
84      /***
85       * Test FloatValidator validate Methods
86       */
87      public void testFloatValidatorMethods() {
88          Locale locale     = Locale.GERMAN;
89          String pattern    = "0,00,00";
90          String patternVal = "1,23,45";
91          String localeVal  = "12.345";
92          String germanPatternVal = "1.23.45";
93          String defaultVal = "12,345";
94          String XXXX    = "XXXX"; 
95          Float expected = new Float(12345);
96          assertEquals("validate(A) default", expected, FloatValidator.getInstance().validate(defaultVal));
97          assertEquals("validate(A) locale ", expected, FloatValidator.getInstance().validate(localeVal, locale));
98          assertEquals("validate(A) pattern", expected, FloatValidator.getInstance().validate(patternVal, pattern));
99          assertEquals("validate(A) both",    expected, FloatValidator.getInstance().validate(germanPatternVal, pattern, Locale.GERMAN));
100 
101         assertTrue("isValid(A) default", FloatValidator.getInstance().isValid(defaultVal));
102         assertTrue("isValid(A) locale ", FloatValidator.getInstance().isValid(localeVal, locale));
103         assertTrue("isValid(A) pattern", FloatValidator.getInstance().isValid(patternVal, pattern));
104         assertTrue("isValid(A) both",    FloatValidator.getInstance().isValid(germanPatternVal, pattern, Locale.GERMAN));
105 
106         assertNull("validate(B) default", FloatValidator.getInstance().validate(XXXX));
107         assertNull("validate(B) locale ", FloatValidator.getInstance().validate(XXXX, locale));
108         assertNull("validate(B) pattern", FloatValidator.getInstance().validate(XXXX, pattern));
109         assertNull("validate(B) both",    FloatValidator.getInstance().validate(patternVal, pattern, Locale.GERMAN));
110 
111         assertFalse("isValid(B) default", FloatValidator.getInstance().isValid(XXXX));
112         assertFalse("isValid(B) locale ", FloatValidator.getInstance().isValid(XXXX, locale));
113         assertFalse("isValid(B) pattern", FloatValidator.getInstance().isValid(XXXX, pattern));
114         assertFalse("isValid(B) both",    FloatValidator.getInstance().isValid(patternVal, pattern, Locale.GERMAN));
115     }
116 
117     /***
118      * Test Float validation for values too small to handle.
119      * (slightly different from max/min which are the largest +ve/-ve
120      */
121     public void testFloatSmallestValues() {
122         String pattern = "#.#################################################################";
123         DecimalFormat fmt = new DecimalFormat(pattern);
124 
125         // Validate Smallest +ve value
126         Float smallestPositive  = new Float(Float.MIN_VALUE);
127         String strSmallestPositive = fmt.format(smallestPositive);
128         assertEquals("Smallest +ve", smallestPositive, FloatValidator.getInstance().validate(strSmallestPositive, pattern));
129 
130         // Validate Smallest -ve value
131         Float smallestNegative  = new Float(Float.MIN_VALUE * -1);
132         String strSmallestNegative = fmt.format(smallestNegative);
133         assertEquals("Smallest -ve", smallestNegative, FloatValidator.getInstance().validate(strSmallestNegative, pattern));
134 
135         // Validate Too Small +ve
136         Double tooSmallPositive = new Double(((double)Float.MIN_VALUE / (double)10)); 
137         String strTooSmallPositive = fmt.format(tooSmallPositive);
138         assertFalse("Too small +ve", FloatValidator.getInstance().isValid(strTooSmallPositive, pattern));
139 
140         // Validate Too Small -ve
141         Double tooSmallNegative = new Double(tooSmallPositive.doubleValue() * (double)-1);
142         String strTooSmallNegative = fmt.format(tooSmallNegative);
143         assertFalse("Too small -ve", FloatValidator.getInstance().isValid(strTooSmallNegative, pattern));
144     }
145 
146     /***
147      * Test Float Range/Min/Max
148      */
149     public void testFloatRangeMinMax() {
150         FloatValidator validator = (FloatValidator)strictValidator;
151         Float number9  = validator.validate("9", "#");
152         Float number10 = validator.validate("10", "#");
153         Float number11 = validator.validate("11", "#");
154         Float number19 = validator.validate("19", "#");
155         Float number20 = validator.validate("20", "#");
156         Float number21 = validator.validate("21", "#");
157 
158         // Test isInRange()
159         assertFalse("isInRange() < min",   validator.isInRange(number9,  10, 20));
160         assertTrue("isInRange() = min",    validator.isInRange(number10, 10, 20));
161         assertTrue("isInRange() in range", validator.isInRange(number11, 10, 20));
162         assertTrue("isInRange() = max",    validator.isInRange(number20, 10, 20));
163         assertFalse("isInRange() > max",   validator.isInRange(number21, 10, 20));
164 
165         // Test minValue()
166         assertFalse("minValue() < min",    validator.minValue(number9,  10));
167         assertTrue("minValue() = min",     validator.minValue(number10, 10));
168         assertTrue("minValue() > min",     validator.minValue(number11, 10));
169 
170         // Test minValue()
171         assertTrue("maxValue() < max",     validator.maxValue(number19, 20));
172         assertTrue("maxValue() = max",     validator.maxValue(number20, 20));
173         assertFalse("maxValue() > max",    validator.maxValue(number21, 20));
174     }
175 }