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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
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
64 invalidStrict = new String[] {null, "", "X", "X12", "12X", "1X2"};
65
66
67 invalid = new String[] {null, "", "X", "X12"};
68
69
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
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
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
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
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
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
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
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
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 }