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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
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
60 invalidStrict = new String[] {null, "", "X", "X12", "12X", "1X2"};
61
62
63 invalid = new String[] {null, "", "X", "X12"};
64
65
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
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
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
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
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
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
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
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
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 }