| // © 2016 and later: Unicode, Inc. and others. |
| // License & terms of use: http://www.unicode.org/copyright.html |
| /***************************************************************************************** |
| * |
| * Copyright (C) 1996-2012, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| **/ |
| |
| /** |
| * Port From: JDK 1.4b1 : java.text.Format.IntlTestDecimalFormatAPI |
| * Source File: java/text/format/IntlTestDecimalFormatAPI.java |
| **/ |
| |
| /* |
| @test 1.4 98/03/06 |
| @summary test International Decimal Format API |
| */ |
| |
| package com.ibm.icu.dev.test.format; |
| |
| import java.text.FieldPosition; |
| import java.text.Format; |
| import java.text.ParseException; |
| import java.text.ParsePosition; |
| import java.util.Locale; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| import com.ibm.icu.dev.test.TestFmwk; |
| import com.ibm.icu.math.BigDecimal; |
| import com.ibm.icu.math.MathContext; |
| import com.ibm.icu.text.DecimalFormat; |
| import com.ibm.icu.text.DecimalFormatSymbols; |
| import com.ibm.icu.text.NumberFormat; |
| |
| @RunWith(JUnit4.class) |
| public class IntlTestDecimalFormatAPI extends TestFmwk |
| { |
| /** |
| * Problem 1: simply running |
| * decF4.setRoundingMode(java.math.BigDecimal.ROUND_HALF_UP) does not work |
| * as decF4.setRoundingIncrement(.0001) must also be run. |
| * Problem 2: decF4.format(8.88885) does not return 8.8889 as expected. |
| * You must run decF4.format(new BigDecimal(Double.valueOf(8.88885))) in |
| * order for this to work as expected. |
| * Problem 3: There seems to be no way to set half up to be the default |
| * rounding mode. |
| * We solved the problem with the code at the bottom of this page however |
| * this is not quite general purpose enough to include in icu4j. A static |
| * setDefaultRoundingMode function would solve the problem nicely. Also |
| * decimal places past 20 are not handled properly. A small ammount of work |
| * would make bring this up to snuff. |
| */ |
| @Test |
| public void testJB1871() |
| { |
| // problem 2 |
| double number = 8.88885; |
| String expected = "8.8889"; |
| |
| String pat = ",##0.0000"; |
| DecimalFormat dec = new DecimalFormat(pat); |
| dec.setRoundingMode(BigDecimal.ROUND_HALF_UP); |
| dec.setRoundingIncrement(new java.math.BigDecimal("0.0001")); |
| String str = dec.format(number); |
| if (!str.equals(expected)) { |
| errln("Fail: " + number + " x \"" + pat + "\" = \"" + |
| str + "\", expected \"" + expected + "\""); |
| } |
| |
| pat = ",##0.0001"; |
| dec = new DecimalFormat(pat); |
| dec.setRoundingMode(BigDecimal.ROUND_HALF_UP); |
| str = dec.format(number); |
| if (!str.equals(expected)) { |
| errln("Fail: " + number + " x \"" + pat + "\" = \"" + |
| str + "\", expected \"" + expected + "\""); |
| } |
| |
| // testing 20 decimal places |
| pat = ",##0.00000000000000000001"; |
| dec = new DecimalFormat(pat); |
| BigDecimal bignumber = new BigDecimal("8.888888888888888888885"); |
| expected = "8.88888888888888888889"; |
| |
| dec.setRoundingMode(BigDecimal.ROUND_HALF_UP); |
| str = dec.format(bignumber); |
| if (!str.equals(expected)) { |
| errln("Fail: " + bignumber + " x \"" + pat + "\" = \"" + |
| str + "\", expected \"" + expected + "\""); |
| } |
| |
| } |
| |
| /** |
| * This test checks various generic API methods in DecimalFormat to achieve |
| * 100% API coverage. |
| */ |
| @Test |
| public void TestAPI() |
| { |
| logln("DecimalFormat API test---"); logln(""); |
| Locale.setDefault(Locale.ENGLISH); |
| |
| // ======= Test constructors |
| |
| logln("Testing DecimalFormat constructors"); |
| |
| DecimalFormat def = new DecimalFormat(); |
| |
| final String pattern = new String("#,##0.# FF"); |
| DecimalFormat pat = null; |
| try { |
| pat = new DecimalFormat(pattern); |
| } |
| catch (IllegalArgumentException e) { |
| errln("ERROR: Could not create DecimalFormat (pattern)"); |
| } |
| |
| DecimalFormatSymbols symbols = new DecimalFormatSymbols(Locale.FRENCH); |
| |
| DecimalFormat cust1 = new DecimalFormat(pattern, symbols); |
| |
| // ======= Test clone(), assignment, and equality |
| |
| logln("Testing clone() and equality operators"); |
| |
| Format clone = (Format) def.clone(); |
| if( ! def.equals(clone)) { |
| errln("ERROR: Clone() failed"); |
| } |
| |
| // ======= Test various format() methods |
| |
| logln("Testing various format() methods"); |
| |
| // final double d = -10456.0037; // this appears as -10456.003700000001 on NT |
| // final double d = -1.04560037e-4; // this appears as -1.0456003700000002E-4 on NT |
| final double d = -10456.00370000000000; // this works! |
| final long l = 100000000; |
| logln("" + d + " is the double value"); |
| |
| StringBuffer res1 = new StringBuffer(); |
| StringBuffer res2 = new StringBuffer(); |
| StringBuffer res3 = new StringBuffer(); |
| StringBuffer res4 = new StringBuffer(); |
| FieldPosition pos1 = new FieldPosition(0); |
| FieldPosition pos2 = new FieldPosition(0); |
| FieldPosition pos3 = new FieldPosition(0); |
| FieldPosition pos4 = new FieldPosition(0); |
| |
| res1 = def.format(d, res1, pos1); |
| logln("" + d + " formatted to " + res1); |
| |
| res2 = pat.format(l, res2, pos2); |
| logln("" + l + " formatted to " + res2); |
| |
| res3 = cust1.format(d, res3, pos3); |
| logln("" + d + " formatted to " + res3); |
| |
| res4 = cust1.format(l, res4, pos4); |
| logln("" + l + " formatted to " + res4); |
| |
| // ======= Test parse() |
| |
| logln("Testing parse()"); |
| |
| String text = new String("-10,456.0037"); |
| ParsePosition pos = new ParsePosition(0); |
| String patt = new String("#,##0.#"); |
| pat.applyPattern(patt); |
| double d2 = pat.parse(text, pos).doubleValue(); |
| if(d2 != d) { |
| errln("ERROR: Roundtrip failed (via parse(" + d2 + " != " + d + ")) for " + text); |
| } |
| logln(text + " parsed into " + (long) d2); |
| |
| // ======= Test getters and setters |
| |
| logln("Testing getters and setters"); |
| |
| final DecimalFormatSymbols syms = pat.getDecimalFormatSymbols(); |
| def.setDecimalFormatSymbols(syms); |
| if( ! pat.getDecimalFormatSymbols().equals(def.getDecimalFormatSymbols())) { |
| errln("ERROR: set DecimalFormatSymbols() failed"); |
| } |
| |
| String posPrefix; |
| pat.setPositivePrefix("+"); |
| posPrefix = pat.getPositivePrefix(); |
| logln("Positive prefix (should be +): " + posPrefix); |
| assertEquals("ERROR: setPositivePrefix() failed", "+", posPrefix); |
| |
| String negPrefix; |
| pat.setNegativePrefix("-"); |
| negPrefix = pat.getNegativePrefix(); |
| logln("Negative prefix (should be -): " + negPrefix); |
| assertEquals("ERROR: setNegativePrefix() failed", "-", negPrefix); |
| |
| String posSuffix; |
| pat.setPositiveSuffix("_"); |
| posSuffix = pat.getPositiveSuffix(); |
| logln("Positive suffix (should be _): " + posSuffix); |
| assertEquals("ERROR: setPositiveSuffix() failed", "_", posSuffix); |
| |
| String negSuffix; |
| pat.setNegativeSuffix("~"); |
| negSuffix = pat.getNegativeSuffix(); |
| logln("Negative suffix (should be ~): " + negSuffix); |
| assertEquals("ERROR: setNegativeSuffix() failed", "~", negSuffix); |
| |
| long multiplier = 0; |
| pat.setMultiplier(8); |
| multiplier = pat.getMultiplier(); |
| logln("Multiplier (should be 8): " + multiplier); |
| if(multiplier != 8) { |
| errln("ERROR: setMultiplier() failed"); |
| } |
| |
| int groupingSize = 0; |
| pat.setGroupingSize(2); |
| groupingSize = pat.getGroupingSize(); |
| logln("Grouping size (should be 2): " + (long) groupingSize); |
| if(groupingSize != 2) { |
| errln("ERROR: setGroupingSize() failed"); |
| } |
| |
| pat.setDecimalSeparatorAlwaysShown(true); |
| boolean tf = pat.isDecimalSeparatorAlwaysShown(); |
| logln("DecimalSeparatorIsAlwaysShown (should be true) is " + (tf ? "true" : "false")); |
| if(tf != true) { |
| errln("ERROR: setDecimalSeparatorAlwaysShown() failed"); |
| } |
| |
| String funkyPat; |
| funkyPat = pat.toPattern(); |
| logln("Pattern is " + funkyPat); |
| |
| String locPat; |
| locPat = pat.toLocalizedPattern(); |
| logln("Localized pattern is " + locPat); |
| |
| // ======= Test applyPattern() |
| |
| logln("Testing applyPattern()"); |
| |
| String p1 = new String("#,##0.0#;(#,##0.0#)"); |
| logln("Applying pattern " + p1); |
| pat.applyPattern(p1); |
| String s2; |
| s2 = pat.toPattern(); |
| logln("Extracted pattern is " + s2); |
| if( ! s2.equals(p1) ) { |
| errln("ERROR: toPattern() result did not match pattern applied"); |
| } |
| |
| String p2 = new String("#,##0.0# FF;(#,##0.0# FF)"); |
| logln("Applying pattern " + p2); |
| pat.applyLocalizedPattern(p2); |
| String s3; |
| s3 = pat.toLocalizedPattern(); |
| logln("Extracted pattern is " + s3); |
| if( ! s3.equals(p2) ) { |
| errln("ERROR: toLocalizedPattern() result did not match pattern applied"); |
| } |
| } |
| |
| @Test |
| public void testJB6134() |
| { |
| DecimalFormat decfmt = new DecimalFormat(); |
| StringBuffer buf = new StringBuffer(); |
| |
| FieldPosition fposByInt = new FieldPosition(NumberFormat.INTEGER_FIELD); |
| decfmt.format(123, buf, fposByInt); |
| |
| buf.setLength(0); |
| FieldPosition fposByField = new FieldPosition(NumberFormat.Field.INTEGER); |
| decfmt.format(123, buf, fposByField); |
| |
| if (fposByInt.getEndIndex() != fposByField.getEndIndex()) |
| { |
| errln("ERROR: End index for integer field - fposByInt:" + fposByInt.getEndIndex() + |
| " / fposByField: " + fposByField.getEndIndex()); |
| } |
| } |
| |
| @Test |
| public void testJB4971() |
| { |
| DecimalFormat decfmt = new DecimalFormat(); |
| MathContext resultICU; |
| |
| MathContext comp1 = new MathContext(0, MathContext.PLAIN, false, MathContext.ROUND_HALF_EVEN); |
| resultICU = decfmt.getMathContextICU(); |
| if ((comp1.getDigits() != resultICU.getDigits()) || |
| (comp1.getForm() != resultICU.getForm()) || |
| (comp1.getLostDigits() != resultICU.getLostDigits()) || |
| (comp1.getRoundingMode() != resultICU.getRoundingMode())) |
| { |
| errln("ERROR: Math context 1 not equal - result: " + resultICU.toString() + |
| " / expected: " + comp1.toString()); |
| } |
| |
| MathContext comp2 = new MathContext(5, MathContext.ENGINEERING, false, MathContext.ROUND_HALF_EVEN); |
| decfmt.setMathContextICU(comp2); |
| resultICU = decfmt.getMathContextICU(); |
| if ((comp2.getDigits() != resultICU.getDigits()) || |
| (comp2.getForm() != resultICU.getForm()) || |
| (comp2.getLostDigits() != resultICU.getLostDigits()) || |
| (comp2.getRoundingMode() != resultICU.getRoundingMode())) |
| { |
| errln("ERROR: Math context 2 not equal - result: " + resultICU.toString() + |
| " / expected: " + comp2.toString()); |
| } |
| |
| java.math.MathContext result; |
| |
| java.math.MathContext comp3 = new java.math.MathContext(3, java.math.RoundingMode.DOWN); |
| decfmt.setMathContext(comp3); |
| result = decfmt.getMathContext(); |
| if ((comp3.getPrecision() != result.getPrecision()) || |
| (comp3.getRoundingMode() != result.getRoundingMode())) |
| { |
| errln("ERROR: Math context 3 not equal - result: " + result.toString() + |
| " / expected: " + comp3.toString()); |
| } |
| |
| } |
| |
| @Test |
| public void testJB6354() |
| { |
| DecimalFormat pat = new DecimalFormat("#,##0.00"); |
| java.math.BigDecimal r1, r2; |
| |
| // get default rounding increment |
| r1 = pat.getRoundingIncrement(); |
| |
| // set rounding mode with zero increment. Rounding |
| // increment should be set by this operation |
| pat.setRoundingMode(BigDecimal.ROUND_UP); |
| r2 = pat.getRoundingIncrement(); |
| |
| // check for different values |
| if ((r1 != null) && (r2 != null)) |
| { |
| if (r1.compareTo(r2) == 0) |
| { |
| errln("ERROR: Rounding increment did not change"); |
| } |
| } |
| } |
| |
| @Test |
| public void testJB6648() |
| { |
| DecimalFormat df = new DecimalFormat(); |
| df.setParseStrict(true); |
| |
| String numstr = new String(); |
| |
| String[] patterns = { |
| "0", |
| "00", |
| "000", |
| "0,000", |
| "0.0", |
| "#000.0" |
| }; |
| |
| for(int i=0; i < patterns.length; i++) { |
| df.applyPattern(patterns[i]); |
| numstr = df.format(5); |
| try { |
| Number n = df.parse(numstr); |
| logln("INFO: Parsed " + numstr + " -> " + n); |
| } catch (ParseException pe) { |
| errln("ERROR: Failed round trip with strict parsing."); |
| } |
| } |
| |
| df.applyPattern(patterns[1]); |
| numstr = "005"; |
| try { |
| Number n = df.parse(numstr); |
| logln("INFO: Successful parse for " + numstr + " with strict parse enabled. Number is " + n); |
| } catch (ParseException pe) { |
| errln("ERROR: Parse Exception encountered in strict mode: numstr -> " + numstr); |
| } |
| |
| } |
| } |