/*
*******************************************************************************
* Copyright (C) 1996-2008, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*/
package com.ibm.icu.dev.test.normalizer;
import java.io.BufferedReader;
import java.io.IOException;
import com.ibm.icu.dev.test.TestFmwk;
import com.ibm.icu.dev.test.TestUtil;
import com.ibm.icu.text.UTF16;
import com.ibm.icu.text.UnicodeSet;
public class UnicodeNormalizerConformanceTest extends TestFmwk {
UnicodeNormalizer normalizer_C, normalizer_D, normalizer_KC, normalizer_KD;
public static void main(String[] args) throws Exception {
new UnicodeNormalizerConformanceTest().run(args);
}
public UnicodeNormalizerConformanceTest() {
// Doesn't matter what the string and mode are; we'll change
// them later as needed.
normalizer_C = new UnicodeNormalizer(UnicodeNormalizer.C, true);
normalizer_D = new UnicodeNormalizer(UnicodeNormalizer.D, false);
normalizer_KC = new UnicodeNormalizer(UnicodeNormalizer.KC, false);
normalizer_KD = new UnicodeNormalizer(UnicodeNormalizer.KD, false);
}
// more interesting conformance test cases, not in the unicode.org NormalizationTest.txt
static String[] moreCases ={
// Markus 2001aug30
"0061 0332 0308;00E4 0332;0061 0332 0308;00E4 0332;0061 0332 0308; # Markus 0",
// Markus 2001oct26 - test edge case for iteration: U+0f73.cc==0 but decomposition.lead.cc==129
"0061 0301 0F73;00E1 0F71 0F72;0061 0F71 0F72 0301;00E1 0F71 0F72;0061 0F71 0F72 0301; # Markus 1"
};
/**
* Test the conformance of NewNormalizer to
* http://www.unicode.org/unicode/reports/tr15/conformance/Draft-TestSuite.txt.
* This file must be located at the path specified as TEST_SUITE_FILE.
*/
public void TestConformance() throws Exception{
BufferedReader input = null;
String line = null;
String[] fields = new String[5];
StringBuffer buf = new StringBuffer();
int passCount = 0;
int failCount = 0;
UnicodeSet other = new UnicodeSet(0, 0x10ffff);
int c=0;
try {
input = TestUtil.getDataReader("unicode/NormalizationTest.txt");
for (int count = 0;;++count) {
line = input.readLine();
if (line == null) {
//read the extra test cases
if(count > moreCases.length) {
count = 0;
} else if(count == moreCases.length) {
// all done
break;
}
line = moreCases[count++];
}
if (line.length() == 0) continue;
// Expect 5 columns of this format:
// 1E0C;1E0C;0044 0323;1E0C;0044 0323; # <comments>
// Skip comments
if (line.charAt(0) == '#' || line.charAt(0)=='@') continue;
// Parse out the fields
hexsplit(line, ';', fields, buf);
// Remove a single code point from the "other" UnicodeSet
if(fields[0].length()==UTF16.moveCodePointOffset(fields[0],0, 1)) {
c=UTF16.charAt(fields[0],0);
if(0xac20<=c && c<=0xd73f) {
// not an exhaustive test run: skip most Hangul syllables
if(c==0xac20) {
other.remove(0xac20, 0xd73f);
}
continue;
}
other.remove(c);
}
if (checkConformance(fields, line)) {
++passCount;
} else {
++failCount;
}
if ((count % 1000) == 999) {
logln("Line " + (count+1));
}
}
} catch (IOException ex) {
if (input != null) {
try {
input.close();
} catch (Exception ex2) {
System.out.print("");
}
}
ex.printStackTrace();
throw new IllegalArgumentException("Couldn't read file "
+ ex.getClass().getName() + " " + ex.getMessage()
+ " line = " + line
);
}
if (failCount != 0) {
errln("Total: " + failCount + " lines failed, " +
passCount + " lines passed");
} else {
logln("Total: " + passCount + " lines passed");
}
}
/**
* Verify the conformance of the given line of the Unicode
* normalization (UTR 15) test suite file. For each line,
* there are five columns, corresponding to field[0]..field[4].
*
* The following invariants must be true for all conformant implementations
* c2 == NFC(c1) == NFC(c2) == NFC(c3)
* c3 == NFD(c1) == NFD(c2) == NFD(c3)
* c4 == NFKC(c1) == NFKC(c2) == NFKC(c3) == NFKC(c4) == NFKC(c5)
* c5 == NFKD(c1) == NFKD(c2) == NFKD(c3) == NFKD(c4) == NFKD(c5)
*
* @param field the 5 columns
* @param line the source line from the test suite file
* @return true if the test passes
*/
private boolean checkConformance(String[] field, String line) throws Exception{
boolean pass = true;
// StringBuffer buf = new StringBuffer(); // scratch
String out;
int i=0;
for (i=0; i<5; ++i) {
if (i<3) {
out = normalizer_C.normalize(field[i]);
pass &= assertEqual("C", field[i], out, field[1], "c2!=C(c" + (i+1));
out = normalizer_D.normalize(field[i]);
pass &= assertEqual("D", field[i], out, field[2], "c3!=D(c" + (i+1));
}
out = normalizer_KC.normalize(field[i]);
pass &= assertEqual("KC", field[i], out, field[3], "c4!=KC(c" + (i+1));
out = normalizer_KD.normalize(field[i]);
pass &= assertEqual("KD", field[i], out, field[4], "c5!=KD(c" + (i+1));
}
if (!pass) {
errln("FAIL: " + line);
}
return pass;
}
/**
* @param op name of normalization form, e.g., "KC"
* @param s string being normalized
* @param got value received
* @param exp expected value
* @param msg description of this test
* @returns true if got == exp
*/
private boolean assertEqual(String op, String s, String got,
String exp, String msg) {
if (exp.equals(got)) {
return true;
}
errln((" " + msg + ") " + op + "(" + s + ")=" + hex(got) +
", exp. " + hex(exp)));
return false;
}
/**
* Split a string into pieces based on the given delimiter
* character. Then, parse the resultant fields from hex into
* characters. That is, "0040 0400;0C00;0899" -> new String[] {
* "\u0040\u0400", "\u0C00", "\u0899" }. The output is assumed to
* be of the proper length already, and exactly output.length
* fields are parsed. If there are too few an exception is
* thrown. If there are too many the extras are ignored.
*
* @param buf scratch buffer
*/
private static void hexsplit(String s, char delimiter,
String[] output, StringBuffer buf) {
int i;
int pos = 0;
for (i=0; i<output.length; ++i) {
int delim = s.indexOf(delimiter, pos);
if (delim < 0) {
throw new IllegalArgumentException("Missing field in " + s);
}
// Our field is from pos..delim-1.
buf.setLength(0);
String toHex = s.substring(pos,delim);
pos = delim;
int index = 0;
int len = toHex.length();
while(index< len){
if(toHex.charAt(index)==' '){
index++;
}else{
int spacePos = toHex.indexOf(' ', index);
if(spacePos==-1){
appendInt(buf,toHex.substring(index,len),s);
spacePos = len;
}else{
appendInt(buf,toHex.substring(index, spacePos),s);
}
index = spacePos+1;
}
}
if (buf.length() < 1) {
throw new IllegalArgumentException("Empty field " + i + " in " + s);
}
output[i] = buf.toString();
++pos; // Skip over delim
}
}
public static void appendInt(StringBuffer buf, String strToHex, String s){
int hex = Integer.parseInt(strToHex,16);
if (hex < 0 ) {
throw new IllegalArgumentException("Out of range hex " +
hex + " in " + s);
}else if (hex > 0xFFFF){
buf.append((char)((hex>>10)+0xd7c0));
buf.append((char)((hex&0x3ff)|0xdc00));
}else{
buf.append((char) hex);
}
}
// Specific tests for debugging. These are generally failures
// taken from the conformance file, but culled out to make
// debugging easier. These can be eliminated without affecting
// coverage.
public void _hideTestCase6() throws Exception{
_testOneLine("0385;0385;00A8 0301;0020 0308 0301;0020 0308 0301;");
}
public void _testOneLine(String line) throws Exception{
String[] fields = new String[5];
StringBuffer buf = new StringBuffer();
// Parse out the fields
hexsplit(line, ';', fields, buf);
checkConformance(fields, line);
}
}