Java example source code file (TestFractionPrinterParser.java)
The TestFractionPrinterParser.java Java example source code/*
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/*
* This file is available under and governed by the GNU General Public
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* However, the following notice accompanied the original version of this
* file:
*
* Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
*
* All rights reserved.
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* modification, are permitted provided that the following conditions are met:
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package test.java.time.format;
import static java.time.temporal.ChronoField.NANO_OF_SECOND;
import static java.time.temporal.ChronoField.SECOND_OF_MINUTE;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.fail;
import java.text.ParsePosition;
import java.time.DateTimeException;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.TemporalAccessor;
import java.time.temporal.TemporalField;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import test.java.time.temporal.MockFieldValue;
/**
* Test FractionPrinterParser.
*/
@Test
public class TestFractionPrinterParser extends AbstractTestPrinterParser {
private DateTimeFormatter getFormatter(TemporalField field, int minWidth, int maxWidth, boolean decimalPoint) {
return builder.appendFraction(field, minWidth, maxWidth, decimalPoint).toFormatter(locale).withDecimalStyle(decimalStyle);
}
//-----------------------------------------------------------------------
// print
//-----------------------------------------------------------------------
@Test(expectedExceptions=DateTimeException.class)
public void test_print_emptyCalendrical() throws Exception {
getFormatter(NANO_OF_SECOND, 0, 9, true).formatTo(EMPTY_DTA, buf);
}
public void test_print_append() throws Exception {
buf.append("EXISTING");
getFormatter(NANO_OF_SECOND, 0, 9, true).formatTo(LocalTime.of(12, 30, 40, 3), buf);
assertEquals(buf.toString(), "EXISTING.000000003");
}
//-----------------------------------------------------------------------
@DataProvider(name="Nanos")
Object[][] provider_nanos() {
return new Object[][] {
{0, 9, 0, ""},
{0, 9, 2, ".000000002"},
{0, 9, 20, ".00000002"},
{0, 9, 200, ".0000002"},
{0, 9, 2000, ".000002"},
{0, 9, 20000, ".00002"},
{0, 9, 200000, ".0002"},
{0, 9, 2000000, ".002"},
{0, 9, 20000000, ".02"},
{0, 9, 200000000, ".2"},
{0, 9, 1, ".000000001"},
{0, 9, 12, ".000000012"},
{0, 9, 123, ".000000123"},
{0, 9, 1234, ".000001234"},
{0, 9, 12345, ".000012345"},
{0, 9, 123456, ".000123456"},
{0, 9, 1234567, ".001234567"},
{0, 9, 12345678, ".012345678"},
{0, 9, 123456789, ".123456789"},
{1, 9, 0, ".0"},
{1, 9, 2, ".000000002"},
{1, 9, 20, ".00000002"},
{1, 9, 200, ".0000002"},
{1, 9, 2000, ".000002"},
{1, 9, 20000, ".00002"},
{1, 9, 200000, ".0002"},
{1, 9, 2000000, ".002"},
{1, 9, 20000000, ".02"},
{1, 9, 200000000, ".2"},
{2, 3, 0, ".00"},
{2, 3, 2, ".000"},
{2, 3, 20, ".000"},
{2, 3, 200, ".000"},
{2, 3, 2000, ".000"},
{2, 3, 20000, ".000"},
{2, 3, 200000, ".000"},
{2, 3, 2000000, ".002"},
{2, 3, 20000000, ".02"},
{2, 3, 200000000, ".20"},
{2, 3, 1, ".000"},
{2, 3, 12, ".000"},
{2, 3, 123, ".000"},
{2, 3, 1234, ".000"},
{2, 3, 12345, ".000"},
{2, 3, 123456, ".000"},
{2, 3, 1234567, ".001"},
{2, 3, 12345678, ".012"},
{2, 3, 123456789, ".123"},
{6, 6, 0, ".000000"},
{6, 6, 2, ".000000"},
{6, 6, 20, ".000000"},
{6, 6, 200, ".000000"},
{6, 6, 2000, ".000002"},
{6, 6, 20000, ".000020"},
{6, 6, 200000, ".000200"},
{6, 6, 2000000, ".002000"},
{6, 6, 20000000, ".020000"},
{6, 6, 200000000, ".200000"},
{6, 6, 1, ".000000"},
{6, 6, 12, ".000000"},
{6, 6, 123, ".000000"},
{6, 6, 1234, ".000001"},
{6, 6, 12345, ".000012"},
{6, 6, 123456, ".000123"},
{6, 6, 1234567, ".001234"},
{6, 6, 12345678, ".012345"},
{6, 6, 123456789, ".123456"},
};
}
@Test(dataProvider="Nanos")
public void test_print_nanos(int minWidth, int maxWidth, int value, String result) throws Exception {
getFormatter(NANO_OF_SECOND, minWidth, maxWidth, true).formatTo(new MockFieldValue(NANO_OF_SECOND, value), buf);
if (result == null) {
fail("Expected exception");
}
assertEquals(buf.toString(), result);
}
@Test(dataProvider="Nanos")
public void test_print_nanos_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
getFormatter(NANO_OF_SECOND, minWidth, maxWidth, false).formatTo(new MockFieldValue(NANO_OF_SECOND, value), buf);
if (result == null) {
fail("Expected exception");
}
assertEquals(buf.toString(), (result.startsWith(".") ? result.substring(1) : result));
}
//-----------------------------------------------------------------------
@DataProvider(name="Seconds")
Object[][] provider_seconds() {
return new Object[][] {
{0, 9, 0, ""},
{0, 9, 3, ".05"},
{0, 9, 6, ".1"},
{0, 9, 9, ".15"},
{0, 9, 12, ".2"},
{0, 9, 15, ".25"},
{0, 9, 30, ".5"},
{0, 9, 45, ".75"},
{2, 2, 0, ".00"},
{2, 2, 3, ".05"},
{2, 2, 6, ".10"},
{2, 2, 9, ".15"},
{2, 2, 12, ".20"},
{2, 2, 15, ".25"},
{2, 2, 30, ".50"},
{2, 2, 45, ".75"},
};
}
@Test(dataProvider="Seconds")
public void test_print_seconds(int minWidth, int maxWidth, int value, String result) throws Exception {
getFormatter(SECOND_OF_MINUTE, minWidth, maxWidth, true).formatTo(new MockFieldValue(SECOND_OF_MINUTE, value), buf);
if (result == null) {
fail("Expected exception");
}
assertEquals(buf.toString(), result);
}
@Test(dataProvider="Seconds")
public void test_print_seconds_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
getFormatter(SECOND_OF_MINUTE, minWidth, maxWidth, false).formatTo(new MockFieldValue(SECOND_OF_MINUTE, value), buf);
if (result == null) {
fail("Expected exception");
}
assertEquals(buf.toString(), (result.startsWith(".") ? result.substring(1) : result));
}
//-----------------------------------------------------------------------
// parse
//-----------------------------------------------------------------------
@Test(dataProvider="Nanos")
public void test_reverseParse(int minWidth, int maxWidth, int value, String result) throws Exception {
ParsePosition pos = new ParsePosition(0);
int expectedValue = fixParsedValue(maxWidth, value);
TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, true).parseUnresolved(result, pos);
assertEquals(pos.getIndex(), result.length());
assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
}
@Test(dataProvider="Nanos")
public void test_reverseParse_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
ParsePosition pos = new ParsePosition((result.startsWith(".") ? 1 : 0));
TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, false).parseUnresolved(result, pos);
assertEquals(pos.getIndex(), result.length());
int expectedValue = fixParsedValue(maxWidth, value);
assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
}
@Test(dataProvider="Nanos")
public void test_reverseParse_followedByNonDigit(int minWidth, int maxWidth, int value, String result) throws Exception {
ParsePosition pos = new ParsePosition(0);
int expectedValue = fixParsedValue(maxWidth, value);
TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, true).parseUnresolved(result + " ", pos);
assertEquals(pos.getIndex(), result.length());
assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
}
// @Test(dataProvider="Nanos")
// public void test_reverseParse_followedByNonDigit_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
// FractionPrinterParser pp = new FractionPrinterParser(NANO_OF_SECOND, minWidth, maxWidth, false);
// int newPos = pp.parse(parseContext, result + " ", (result.startsWith(".") ? 1 : 0));
// assertEquals(newPos, result.length());
// int expectedValue = fixParsedValue(maxWidth, value);
// assertParsed(parseContext, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
// }
@Test(dataProvider="Nanos")
public void test_reverseParse_preceededByNonDigit(int minWidth, int maxWidth, int value, String result) throws Exception {
ParsePosition pos = new ParsePosition(1);
int expectedValue = fixParsedValue(maxWidth, value);
TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, true).parseUnresolved(" " + result, pos);
assertEquals(pos.getIndex(), result.length() + 1);
assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
}
private int fixParsedValue(int maxWidth, int value) {
if (maxWidth < 9) {
int power = (int) Math.pow(10, (9 - maxWidth));
value = (value / power) * power;
}
return value;
}
@Test(dataProvider="Seconds")
public void test_reverseParse_seconds(int minWidth, int maxWidth, int value, String result) throws Exception {
ParsePosition pos = new ParsePosition(0);
TemporalAccessor parsed = getFormatter(SECOND_OF_MINUTE, minWidth, maxWidth, true).parseUnresolved(result, pos);
assertEquals(pos.getIndex(), result.length());
assertParsed(parsed, SECOND_OF_MINUTE, value == 0 && minWidth == 0 ? null : (long) value);
}
private void assertParsed(TemporalAccessor parsed, TemporalField field, Long value) {
if (value == null) {
assertEquals(parsed.isSupported(field), false);
} else {
assertEquals(parsed.isSupported(field), true);
assertEquals(parsed.getLong(field), (long) value);
}
}
//-----------------------------------------------------------------------
@DataProvider(name="ParseNothing")
Object[][] provider_parseNothing() {
return new Object[][] {
{NANO_OF_SECOND, 3, 6, true, "", 0, 0},
{NANO_OF_SECOND, 3, 6, true, "A", 0, 0},
{NANO_OF_SECOND, 3, 6, true, ".", 0, 1},
{NANO_OF_SECOND, 3, 6, true, ".5", 0, 1},
{NANO_OF_SECOND, 3, 6, true, ".51", 0, 1},
{NANO_OF_SECOND, 3, 6, true, ".A23456", 0, 1},
{NANO_OF_SECOND, 3, 6, true, ".1A3456", 0, 1},
};
}
@Test(dataProvider = "ParseNothing")
public void test_parse_nothing(TemporalField field, int min, int max, boolean decimalPoint, String text, int pos, int expected) {
ParsePosition ppos = new ParsePosition(pos);
TemporalAccessor parsed = getFormatter(field, min, max, decimalPoint).parseUnresolved(text, ppos);
assertEquals(ppos.getErrorIndex(), expected);
assertEquals(parsed, null);
}
//-----------------------------------------------------------------------
public void test_toString() throws Exception {
assertEquals(getFormatter(NANO_OF_SECOND, 3, 6, true).toString(), "Fraction(NanoOfSecond,3,6,DecimalPoint)");
}
public void test_toString_noDecimalPoint() throws Exception {
assertEquals(getFormatter(NANO_OF_SECOND, 3, 6, false).toString(), "Fraction(NanoOfSecond,3,6)");
}
}
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