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24 /*
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27  * However, the following notice accompanied the original version of this
28  * file:
29  *
30  * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
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59  */
60 package test.java.time.format;
61 
62 import static java.time.temporal.ChronoField.MILLI_OF_SECOND;
63 import static java.time.temporal.ChronoField.NANO_OF_SECOND;
64 import static java.time.temporal.ChronoField.SECOND_OF_MINUTE;
65 import static org.testng.Assert.assertEquals;
66 import static org.testng.Assert.fail;
67 
68 import java.text.ParsePosition;
69 import java.time.DateTimeException;
70 import java.time.LocalTime;
71 import java.time.format.DateTimeFormatter;
72 import java.time.temporal.TemporalAccessor;
73 import java.time.temporal.TemporalField;
74 
75 import org.testng.annotations.DataProvider;
76 import org.testng.annotations.Test;
77 import test.java.time.temporal.MockFieldValue;
78 
79 /**
80  * Test FractionPrinterParser.
81  *
82  * @bug 8230136
83  */
84 @Test
85 public class TestFractionPrinterParser extends AbstractTestPrinterParser {
86 
getFormatter(TemporalField field, int minWidth, int maxWidth, boolean decimalPoint)87     private DateTimeFormatter getFormatter(TemporalField field, int minWidth, int maxWidth, boolean decimalPoint) {
88         return builder.appendFraction(field, minWidth, maxWidth, decimalPoint).toFormatter(locale).withDecimalStyle(decimalStyle);
89     }
90 
91     //-----------------------------------------------------------------------
92     // print
93     //-----------------------------------------------------------------------
94     @Test(expectedExceptions=DateTimeException.class)
test_print_emptyCalendrical()95     public void test_print_emptyCalendrical() throws Exception {
96         getFormatter(NANO_OF_SECOND, 0, 9, true).formatTo(EMPTY_DTA, buf);
97     }
98 
test_print_append()99     public void test_print_append() throws Exception {
100         buf.append("EXISTING");
101         getFormatter(NANO_OF_SECOND, 0, 9, true).formatTo(LocalTime.of(12, 30, 40, 3), buf);
102         assertEquals(buf.toString(), "EXISTING.000000003");
103     }
104 
105     //-----------------------------------------------------------------------
106     @DataProvider(name="Nanos")
provider_nanos()107     Object[][] provider_nanos() {
108         return new Object[][] {
109             {0, 9, 0,           ""},
110             {0, 9, 2,           ".000000002"},
111             {0, 9, 20,          ".00000002"},
112             {0, 9, 200,         ".0000002"},
113             {0, 9, 2000,        ".000002"},
114             {0, 9, 20000,       ".00002"},
115             {0, 9, 200000,      ".0002"},
116             {0, 9, 2000000,     ".002"},
117             {0, 9, 20000000,    ".02"},
118             {0, 9, 200000000,   ".2"},
119             {0, 9, 1,           ".000000001"},
120             {0, 9, 12,          ".000000012"},
121             {0, 9, 123,         ".000000123"},
122             {0, 9, 1234,        ".000001234"},
123             {0, 9, 12345,       ".000012345"},
124             {0, 9, 123456,      ".000123456"},
125             {0, 9, 1234567,     ".001234567"},
126             {0, 9, 12345678,    ".012345678"},
127             {0, 9, 123456789,   ".123456789"},
128 
129             {1, 9, 0,           ".0"},
130             {1, 9, 2,           ".000000002"},
131             {1, 9, 20,          ".00000002"},
132             {1, 9, 200,         ".0000002"},
133             {1, 9, 2000,        ".000002"},
134             {1, 9, 20000,       ".00002"},
135             {1, 9, 200000,      ".0002"},
136             {1, 9, 2000000,     ".002"},
137             {1, 9, 20000000,    ".02"},
138             {1, 9, 200000000,   ".2"},
139 
140             {2, 3, 0,           ".00"},
141             {2, 3, 2,           ".000"},
142             {2, 3, 20,          ".000"},
143             {2, 3, 200,         ".000"},
144             {2, 3, 2000,        ".000"},
145             {2, 3, 20000,       ".000"},
146             {2, 3, 200000,      ".000"},
147             {2, 3, 2000000,     ".002"},
148             {2, 3, 20000000,    ".02"},
149             {2, 3, 200000000,   ".20"},
150             {2, 3, 1,           ".000"},
151             {2, 3, 12,          ".000"},
152             {2, 3, 123,         ".000"},
153             {2, 3, 1234,        ".000"},
154             {2, 3, 12345,       ".000"},
155             {2, 3, 123456,      ".000"},
156             {2, 3, 1234567,     ".001"},
157             {2, 3, 12345678,    ".012"},
158             {2, 3, 123456789,   ".123"},
159 
160             {6, 6, 0,           ".000000"},
161             {6, 6, 2,           ".000000"},
162             {6, 6, 20,          ".000000"},
163             {6, 6, 200,         ".000000"},
164             {6, 6, 2000,        ".000002"},
165             {6, 6, 20000,       ".000020"},
166             {6, 6, 200000,      ".000200"},
167             {6, 6, 2000000,     ".002000"},
168             {6, 6, 20000000,    ".020000"},
169             {6, 6, 200000000,   ".200000"},
170             {6, 6, 1,           ".000000"},
171             {6, 6, 12,          ".000000"},
172             {6, 6, 123,         ".000000"},
173             {6, 6, 1234,        ".000001"},
174             {6, 6, 12345,       ".000012"},
175             {6, 6, 123456,      ".000123"},
176             {6, 6, 1234567,     ".001234"},
177             {6, 6, 12345678,    ".012345"},
178             {6, 6, 123456789,   ".123456"},
179        };
180     }
181 
182     @Test(dataProvider="Nanos")
test_print_nanos(int minWidth, int maxWidth, int value, String result)183     public void test_print_nanos(int minWidth, int maxWidth, int value, String result) throws Exception {
184         getFormatter(NANO_OF_SECOND,  minWidth, maxWidth, true).formatTo(new MockFieldValue(NANO_OF_SECOND, value), buf);
185         if (result == null) {
186             fail("Expected exception");
187         }
188         assertEquals(buf.toString(), result);
189     }
190 
191     @Test(dataProvider="Nanos")
test_print_nanos_noDecimalPoint(int minWidth, int maxWidth, int value, String result)192     public void test_print_nanos_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
193         getFormatter(NANO_OF_SECOND,  minWidth, maxWidth, false).formatTo(new MockFieldValue(NANO_OF_SECOND, value), buf);
194         if (result == null) {
195             fail("Expected exception");
196         }
197         assertEquals(buf.toString(), (result.startsWith(".") ? result.substring(1) : result));
198     }
199 
200     //-----------------------------------------------------------------------
201     @DataProvider(name="Seconds")
provider_seconds()202     Object[][] provider_seconds() {
203         return new Object[][] {
204             {0, 9, 0,  ""},
205             {0, 9, 3,  ".05"},
206             {0, 9, 6,  ".1"},
207             {0, 9, 9,  ".15"},
208             {0, 9, 12, ".2"},
209             {0, 9, 15, ".25"},
210             {0, 9, 30, ".5"},
211             {0, 9, 45, ".75"},
212 
213             {2, 2, 0,  ".00"},
214             {2, 2, 3,  ".05"},
215             {2, 2, 6,  ".10"},
216             {2, 2, 9,  ".15"},
217             {2, 2, 12, ".20"},
218             {2, 2, 15, ".25"},
219             {2, 2, 30, ".50"},
220             {2, 2, 45, ".75"},
221         };
222     }
223 
224     @Test(dataProvider="Seconds")
test_print_seconds(int minWidth, int maxWidth, int value, String result)225     public void test_print_seconds(int minWidth, int maxWidth, int value, String result) throws Exception {
226         getFormatter(SECOND_OF_MINUTE, minWidth, maxWidth, true).formatTo(new MockFieldValue(SECOND_OF_MINUTE, value), buf);
227         if (result == null) {
228             fail("Expected exception");
229         }
230         assertEquals(buf.toString(), result);
231     }
232 
233     @Test(dataProvider="Seconds")
test_print_seconds_noDecimalPoint(int minWidth, int maxWidth, int value, String result)234     public void test_print_seconds_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
235         getFormatter(SECOND_OF_MINUTE, minWidth, maxWidth, false).formatTo(new MockFieldValue(SECOND_OF_MINUTE, value), buf);
236         if (result == null) {
237             fail("Expected exception");
238         }
239         assertEquals(buf.toString(), (result.startsWith(".") ? result.substring(1) : result));
240     }
241 
242     //-----------------------------------------------------------------------
243     // parse
244     //-----------------------------------------------------------------------
245     @Test(dataProvider="Nanos")
test_reverseParse(int minWidth, int maxWidth, int value, String result)246     public void test_reverseParse(int minWidth, int maxWidth, int value, String result) throws Exception {
247         ParsePosition pos = new ParsePosition(0);
248         int expectedValue = fixParsedValue(maxWidth, value);
249         TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, true).parseUnresolved(result, pos);
250         assertEquals(pos.getIndex(), result.length());
251         assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
252     }
253 
254     @Test(dataProvider="Nanos")
test_reverseParse_noDecimalPoint(int minWidth, int maxWidth, int value, String result)255     public void test_reverseParse_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
256         ParsePosition pos = new ParsePosition((result.startsWith(".") ? 1 : 0));
257         TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, false).parseUnresolved(result, pos);
258         assertEquals(pos.getIndex(), result.length());
259         int expectedValue = fixParsedValue(maxWidth, value);
260         assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
261     }
262 
263     @Test(dataProvider="Nanos")
test_reverseParse_followedByNonDigit(int minWidth, int maxWidth, int value, String result)264     public void test_reverseParse_followedByNonDigit(int minWidth, int maxWidth, int value, String result) throws Exception {
265         ParsePosition pos = new ParsePosition(0);
266         int expectedValue = fixParsedValue(maxWidth, value);
267         TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, true).parseUnresolved(result + " ", pos);
268         assertEquals(pos.getIndex(), result.length());
269         assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
270     }
271 
272 //    @Test(dataProvider="Nanos")
273 //    public void test_reverseParse_followedByNonDigit_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
274 //        FractionPrinterParser pp = new FractionPrinterParser(NANO_OF_SECOND, minWidth, maxWidth, false);
275 //        int newPos = pp.parse(parseContext, result + " ", (result.startsWith(".") ? 1 : 0));
276 //        assertEquals(newPos, result.length());
277 //        int expectedValue = fixParsedValue(maxWidth, value);
278 //        assertParsed(parseContext, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
279 //    }
280 
281     @Test(dataProvider="Nanos")
test_reverseParse_preceededByNonDigit(int minWidth, int maxWidth, int value, String result)282     public void test_reverseParse_preceededByNonDigit(int minWidth, int maxWidth, int value, String result) throws Exception {
283         ParsePosition pos = new ParsePosition(1);
284         int expectedValue = fixParsedValue(maxWidth, value);
285         TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, true).parseUnresolved(" " + result, pos);
286         assertEquals(pos.getIndex(), result.length() + 1);
287         assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
288     }
289 
fixParsedValue(int maxWidth, int value)290     private int fixParsedValue(int maxWidth, int value) {
291         if (maxWidth < 9) {
292             int power = (int) Math.pow(10, (9 - maxWidth));
293             value = (value / power) * power;
294         }
295         return value;
296     }
297 
298     @Test(dataProvider="Seconds")
test_reverseParse_seconds(int minWidth, int maxWidth, int value, String result)299     public void test_reverseParse_seconds(int minWidth, int maxWidth, int value, String result) throws Exception {
300         ParsePosition pos = new ParsePosition(0);
301         TemporalAccessor parsed = getFormatter(SECOND_OF_MINUTE, minWidth, maxWidth, true).parseUnresolved(result, pos);
302         assertEquals(pos.getIndex(), result.length());
303         assertParsed(parsed, SECOND_OF_MINUTE, value == 0 && minWidth == 0 ? null : (long) value);
304     }
305 
assertParsed(TemporalAccessor parsed, TemporalField field, Long value)306     private void assertParsed(TemporalAccessor parsed, TemporalField field, Long value) {
307         if (value == null) {
308             assertEquals(parsed.isSupported(field), false);
309         } else {
310             assertEquals(parsed.isSupported(field), true);
311             assertEquals(parsed.getLong(field), (long) value);
312         }
313     }
314 
315     //-----------------------------------------------------------------------
316     @DataProvider(name="ParseNothing")
provider_parseNothing()317     Object[][] provider_parseNothing() {
318         return new Object[][] {
319             {NANO_OF_SECOND, 3, 6, true, "", 0, 0},
320             {NANO_OF_SECOND, 3, 6, true, "A", 0, 0},
321             {NANO_OF_SECOND, 3, 6, true, ".", 0, 1},
322             {NANO_OF_SECOND, 3, 6, true, ".5", 0, 1},
323             {NANO_OF_SECOND, 3, 6, true, ".51", 0, 1},
324             {NANO_OF_SECOND, 3, 6, true, ".A23456", 0, 1},
325             {NANO_OF_SECOND, 3, 6, true, ".1A3456", 0, 1},
326         };
327     }
328 
329     @Test(dataProvider = "ParseNothing")
test_parse_nothing(TemporalField field, int min, int max, boolean decimalPoint, String text, int pos, int expected)330     public void test_parse_nothing(TemporalField field, int min, int max, boolean decimalPoint, String text, int pos, int expected) {
331         ParsePosition ppos = new ParsePosition(pos);
332         TemporalAccessor parsed = getFormatter(field, min, max, decimalPoint).parseUnresolved(text, ppos);
333         assertEquals(ppos.getErrorIndex(), expected);
334         assertEquals(parsed, null);
335     }
336 
337     @DataProvider(name="ParseMinWidth")
provider_parseMinWidth()338     Object[][] provider_parseMinWidth() {
339         return new Object[][] {
340             {MILLI_OF_SECOND, 3, 3, true, ".1x"},
341             {MILLI_OF_SECOND, 3, 3, true, ".12x"},
342             {MILLI_OF_SECOND, 3, 3, true, ".1234x"},
343         };
344     }
345 
346     @Test(dataProvider="ParseMinWidth", expectedExceptions=DateTimeException.class)
test_parse_minWidth(TemporalField field, int min, int max, boolean decimalPoint, String text)347     public void test_parse_minWidth(TemporalField field, int min, int max, boolean decimalPoint, String text) throws Exception {
348         builder
349             .appendFraction(field, min, max, decimalPoint)
350             .appendLiteral("x")
351             .toFormatter(locale)
352             .parse(text);
353     }
354 
355     //-----------------------------------------------------------------------
test_toString()356     public void test_toString() throws Exception {
357         assertEquals(getFormatter(NANO_OF_SECOND, 3, 6, true).toString(), "Fraction(NanoOfSecond,3,6,DecimalPoint)");
358     }
359 
test_toString_noDecimalPoint()360     public void test_toString_noDecimalPoint() throws Exception {
361         assertEquals(getFormatter(NANO_OF_SECOND, 3, 6, false).toString(), "Fraction(NanoOfSecond,3,6)");
362     }
363 
364 }
365