scuffed-code/icu4c/source/test/intltest/itspoof.cpp

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (C) 2011-2015, International Business Machines Corporation
* and others. All Rights Reserved.
**********************************************************************
*/
/**
* IntlTestSpoof tests for USpoofDetector
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_REGULAR_EXPRESSIONS && !UCONFIG_NO_NORMALIZATION && !UCONFIG_NO_FILE_IO
#include "itspoof.h"
#include "unicode/normlzr.h"
#include "unicode/regex.h"
#include "unicode/unistr.h"
#include "unicode/uscript.h"
#include "unicode/uspoof.h"
#include "cstring.h"
#include "scriptset.h"
#include "uhash.h"
#include <stdlib.h>
#include <stdio.h>
#define TEST_ASSERT_SUCCESS(status) {if (U_FAILURE(status)) { \
errcheckln(status, "Failure at file %s, line %d, error = %s", __FILE__, __LINE__, u_errorName(status));}}
#define TEST_ASSERT(expr) {if ((expr)==FALSE) { \
errln("Test Failure at file %s, line %d: \"%s\" is false.", __FILE__, __LINE__, #expr);};}
#define TEST_ASSERT_MSG(expr, msg) {if ((expr)==FALSE) { \
dataerrln("Test Failure at file %s, line %d, %s: \"%s\" is false.", __FILE__, __LINE__, msg, #expr);};}
#define TEST_ASSERT_EQ(a, b) { if ((a) != (b)) { \
errln("Test Failure at file %s, line %d: \"%s\" (%d) != \"%s\" (%d)", \
__FILE__, __LINE__, #a, (a), #b, (b)); }}
#define TEST_ASSERT_NE(a, b) { if ((a) == (b)) { \
errln("Test Failure at file %s, line %d: \"%s\" (%d) == \"%s\" (%d)", \
__FILE__, __LINE__, #a, (a), #b, (b)); }}
/*
* TEST_SETUP and TEST_TEARDOWN
* macros to handle the boilerplate around setting up test case.
* Put arbitrary test code between SETUP and TEARDOWN.
* "sc" is the ready-to-go SpoofChecker for use in the tests.
*/
#define TEST_SETUP { \
UErrorCode status = U_ZERO_ERROR; \
USpoofChecker *sc; \
sc = uspoof_open(&status); \
TEST_ASSERT_SUCCESS(status); \
USpoofCheckResult *checkResult; \
checkResult = uspoof_openCheckResult(&status); \
TEST_ASSERT_SUCCESS(status); \
if (U_SUCCESS(status)){
#define TEST_TEARDOWN \
} \
TEST_ASSERT_SUCCESS(status); \
uspoof_closeCheckResult(checkResult); \
uspoof_close(sc); \
}
void IntlTestSpoof::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
{
if (exec) {
logln("TestSuite spoof: ");
}
TESTCASE_AUTO_BEGIN;
TESTCASE_AUTO(testSpoofAPI);
TESTCASE_AUTO(testSkeleton);
TESTCASE_AUTO(testAreConfusable);
TESTCASE_AUTO(testInvisible);
TESTCASE_AUTO(testConfData);
TESTCASE_AUTO(testBug8654);
TESTCASE_AUTO(testScriptSet);
TESTCASE_AUTO(testRestrictionLevel);
TESTCASE_AUTO(testMixedNumbers);
TESTCASE_AUTO(testBug12153);
TESTCASE_AUTO(testBug12825);
TESTCASE_AUTO(testBug12815);
TESTCASE_AUTO(testBug13314_MixedNumbers);
TESTCASE_AUTO(testBug13328_MixedCombiningMarks);
TESTCASE_AUTO(testCombiningDot);
TESTCASE_AUTO_END;
}
void IntlTestSpoof::testSpoofAPI() {
TEST_SETUP
UnicodeString s("xyz"); // Many latin ranges are whole-script confusable with other scripts.
// If this test starts failing, consult confusablesWholeScript.txt
int32_t position = 666;
int32_t checkResults = uspoof_checkUnicodeString(sc, s, &position, &status);
TEST_ASSERT_SUCCESS(status);
TEST_ASSERT_EQ(0, checkResults);
TEST_ASSERT_EQ(0, position);
TEST_TEARDOWN;
TEST_SETUP
UnicodeString s1("cxs");
UnicodeString s2 = UnicodeString("\\u0441\\u0445\\u0455").unescape(); // Cyrillic "cxs"
int32_t checkResults = uspoof_areConfusableUnicodeString(sc, s1, s2, &status);
TEST_ASSERT_SUCCESS(status);
TEST_ASSERT_EQ(USPOOF_MIXED_SCRIPT_CONFUSABLE | USPOOF_WHOLE_SCRIPT_CONFUSABLE, checkResults);
TEST_TEARDOWN;
TEST_SETUP
UnicodeString s("I1l0O");
UnicodeString dest;
UnicodeString &retStr = uspoof_getSkeletonUnicodeString(sc, USPOOF_ANY_CASE, s, dest, &status);
TEST_ASSERT_SUCCESS(status);
TEST_ASSERT(UnicodeString("lllOO") == dest);
TEST_ASSERT(&dest == &retStr);
TEST_TEARDOWN;
}
#define CHECK_SKELETON(type, input, expected) { \
checkSkeleton(sc, type, input, expected, __LINE__); \
}
// testSkeleton. Spot check a number of confusable skeleton substitutions from the
// Unicode data file confusables.txt
// Test cases chosen for substitutions of various lengths, and
// membership in different mapping tables.
// Note: for ICU 55, all tables collapsed to the MA table data.
// TODO: for ICU 56 with Unicode 8, revisit this test.
//
void IntlTestSpoof::testSkeleton() {
const uint32_t ML = 0;
const uint32_t SL = USPOOF_SINGLE_SCRIPT_CONFUSABLE;
const uint32_t MA = USPOOF_ANY_CASE;
const uint32_t SA = USPOOF_SINGLE_SCRIPT_CONFUSABLE | USPOOF_ANY_CASE;
TEST_SETUP
CHECK_SKELETON(SL, "nochange", "nochange");
CHECK_SKELETON(SA, "nochange", "nochange");
CHECK_SKELETON(ML, "nochange", "nochange");
CHECK_SKELETON(MA, "nochange", "nochange");
CHECK_SKELETON(MA, "love", "love");
CHECK_SKELETON(MA, "1ove", "love"); // Digit 1 to letter l
CHECK_SKELETON(ML, "OOPS", "OOPS");
CHECK_SKELETON(ML, "00PS", "OOPS");
CHECK_SKELETON(MA, "OOPS", "OOPS");
CHECK_SKELETON(MA, "00PS", "OOPS"); // Digit 0 to letter O in any case mode only
CHECK_SKELETON(SL, "\\u059c", "\\u0301");
CHECK_SKELETON(SL, "\\u2A74", "\\u003A\\u003A\\u003D");
CHECK_SKELETON(SL, "\\u247E", "\\u0028\\u006C\\u006C\\u0029"); // "(ll)"
CHECK_SKELETON(SL, "\\uFDFB", "\\u062C\\u0644\\u0020\\u062C\\u0644\\u006c\\u0644\\u006f");
// This mapping exists in the ML and MA tables, does not exist in SL, SA
// 0C83 ; 0983 ; ML
// 0C83 ; 0983 ; MA
//
CHECK_SKELETON(SL, "\\u0C83", "\\u0983");
CHECK_SKELETON(SA, "\\u0C83", "\\u0983");
CHECK_SKELETON(ML, "\\u0C83", "\\u0983");
CHECK_SKELETON(MA, "\\u0C83", "\\u0983");
// 0391 mappings exist only in MA and SA tables.
CHECK_SKELETON(MA, "\\u0391", "A");
CHECK_SKELETON(SA, "\\u0391", "A");
CHECK_SKELETON(ML, "\\u0391", "A");
CHECK_SKELETON(SL, "\\u0391", "A");
// 13CF Mappings in all four tables, different in MA.
CHECK_SKELETON(ML, "\\u13CF", "b");
CHECK_SKELETON(MA, "\\u13CF", "b");
CHECK_SKELETON(SL, "\\u13CF", "b");
CHECK_SKELETON(SA, "\\u13CF", "b");
// 0022 ; 0027 0027 ;
// all tables.
CHECK_SKELETON(SL, "\\u0022", "\\u0027\\u0027");
CHECK_SKELETON(SA, "\\u0022", "\\u0027\\u0027");
CHECK_SKELETON(ML, "\\u0022", "\\u0027\\u0027");
CHECK_SKELETON(MA, "\\u0022", "\\u0027\\u0027");
// 017F mappings exist only in MA and SA tables.
CHECK_SKELETON(MA, "\\u017F", "f");
CHECK_SKELETON(SA, "\\u017F", "f");
CHECK_SKELETON(ML, "\\u017F", "f");
CHECK_SKELETON(SL, "\\u017F", "f");
TEST_TEARDOWN;
}
//
// Run a single confusable skeleton transformation test case.
//
void IntlTestSpoof::checkSkeleton(const USpoofChecker *sc, uint32_t type,
const char *input, const char *expected, int32_t lineNum) {
UnicodeString uInput = UnicodeString(input).unescape();
UnicodeString uExpected = UnicodeString(expected).unescape();
UErrorCode status = U_ZERO_ERROR;
UnicodeString actual;
uspoof_getSkeletonUnicodeString(sc, type, uInput, actual, &status);
if (U_FAILURE(status)) {
errln("File %s, Line %d, Test case from line %d, status is %s", __FILE__, __LINE__, lineNum,
u_errorName(status));
return;
}
if (uExpected != actual) {
errln("File %s, Line %d, Test case from line %d, Actual and Expected skeletons differ.",
__FILE__, __LINE__, lineNum);
errln(UnicodeString(" Actual Skeleton: \"") + actual + UnicodeString("\"\n") +
UnicodeString(" Expected Skeleton: \"") + uExpected + UnicodeString("\""));
}
}
void IntlTestSpoof::testAreConfusable() {
TEST_SETUP
UnicodeString s1("A long string that will overflow stack buffers. A long string that will overflow stack buffers. "
"A long string that will overflow stack buffers. A long string that will overflow stack buffers. ");
UnicodeString s2("A long string that wi11 overflow stack buffers. A long string that will overflow stack buffers. "
"A long string that wi11 overflow stack buffers. A long string that will overflow stack buffers. ");
int32_t result = uspoof_areConfusableUnicodeString(sc, s1, s2, &status);
TEST_ASSERT_SUCCESS(status);
TEST_ASSERT_EQ(USPOOF_SINGLE_SCRIPT_CONFUSABLE, result);
TEST_TEARDOWN;
}
void IntlTestSpoof::testInvisible() {
TEST_SETUP
UnicodeString s = UnicodeString("abcd\\u0301ef").unescape();
int32_t position = -42;
TEST_ASSERT_EQ(0, uspoof_checkUnicodeString(sc, s, &position, &status));
TEST_ASSERT_SUCCESS(status);
TEST_ASSERT(0 == position);
UnicodeString s2 = UnicodeString("abcd\\u0301\\u0302\\u0301ef").unescape();
TEST_ASSERT_EQ(USPOOF_INVISIBLE, uspoof_checkUnicodeString(sc, s2, &position, &status));
TEST_ASSERT_SUCCESS(status);
TEST_ASSERT_EQ(0, position);
// Two acute accents, one from the composed a with acute accent, \u00e1,
// and one separate.
position = -42;
UnicodeString s3 = UnicodeString("abcd\\u00e1\\u0301xyz").unescape();
TEST_ASSERT_EQ(USPOOF_INVISIBLE, uspoof_checkUnicodeString(sc, s3, &position, &status));
TEST_ASSERT_SUCCESS(status);
TEST_ASSERT_EQ(0, position);
TEST_TEARDOWN;
}
void IntlTestSpoof::testBug8654() {
TEST_SETUP
UnicodeString s = UnicodeString("B\\u00c1\\u0301").unescape();
int32_t position = -42;
TEST_ASSERT_EQ(USPOOF_INVISIBLE, uspoof_checkUnicodeString(sc, s, &position, &status) & USPOOF_INVISIBLE );
TEST_ASSERT_SUCCESS(status);
TEST_ASSERT_EQ(0, position);
TEST_TEARDOWN;
}
static UnicodeString parseHex(const UnicodeString &in) {
// Convert a series of hex numbers in a Unicode String to a string with the
// corresponding characters.
// The conversion is _really_ annoying. There must be some function to just do it.
UnicodeString result;
UChar32 cc = 0;
for (int32_t i=0; i<in.length(); i++) {
UChar c = in.charAt(i);
if (c == 0x20) { // Space
if (cc > 0) {
result.append(cc);
cc = 0;
}
} else if (c>=0x30 && c<=0x39) {
cc = (cc<<4) + (c - 0x30);
} else if ((c>=0x41 && c<=0x46) || (c>=0x61 && c<=0x66)) {
cc = (cc<<4) + (c & 0x0f)+9;
}
// else do something with bad input.
}
if (cc > 0) {
result.append(cc);
}
return result;
}
//
// Append the hex form of a UChar32 to a UnicodeString.
// Used in formatting error messages.
// Match the formatting of numbers in confusables.txt
// Minimum of 4 digits, no leading zeroes for positions 5 and up.
//
static void appendHexUChar(UnicodeString &dest, UChar32 c) {
UBool doZeroes = FALSE;
for (int bitNum=28; bitNum>=0; bitNum-=4) {
if (bitNum <= 12) {
doZeroes = TRUE;
}
int hexDigit = (c>>bitNum) & 0x0f;
if (hexDigit != 0 || doZeroes) {
doZeroes = TRUE;
dest.append((UChar)(hexDigit<=9? hexDigit + 0x30: hexDigit -10 + 0x41));
}
}
dest.append((UChar)0x20);
}
U_DEFINE_LOCAL_OPEN_POINTER(LocalStdioFilePointer, FILE, fclose);
// testConfData - Check each data item from the Unicode confusables.txt file,
// verify that it transforms correctly in a skeleton.
//
void IntlTestSpoof::testConfData() {
char buffer[2000];
if (getUnidataPath(buffer) == NULL) {
errln("Skipping test spoof/testConfData. Unable to find path to source/data/unidata/.");
return;
}
uprv_strcat(buffer, "confusables.txt");
LocalStdioFilePointer f(fopen(buffer, "rb"));
if (f.isNull()) {
errln("Skipping test spoof/testConfData. File confusables.txt not accessible.");
return;
}
fseek(f.getAlias(), 0, SEEK_END);
int32_t fileSize = ftell(f.getAlias());
LocalArray<char> fileBuf(new char[fileSize]);
fseek(f.getAlias(), 0, SEEK_SET);
int32_t amt_read = static_cast<int32_t>(fread(fileBuf.getAlias(), 1, fileSize, f.getAlias()));
TEST_ASSERT_EQ(amt_read, fileSize);
TEST_ASSERT(fileSize>0);
if (amt_read != fileSize || fileSize <=0) {
return;
}
UnicodeString confusablesTxt = UnicodeString::fromUTF8(StringPiece(fileBuf.getAlias(), fileSize));
UErrorCode status = U_ZERO_ERROR;
LocalUSpoofCheckerPointer sc(uspoof_open(&status));
TEST_ASSERT_SUCCESS(status);
// Parse lines from the confusables.txt file. Example Line:
// FF44 ; 0064 ; SL # ( d -> d ) FULLWIDTH ....
// Three fields. The hex fields can contain more than one character,
// and each character may be more than 4 digits (for supplemntals)
// This regular expression matches lines and splits the fields into capture groups.
RegexMatcher parseLine("(?m)^([0-9A-F]{4}[^#;]*?);([^#;]*?);([^#]*)", confusablesTxt, 0, status);
TEST_ASSERT_SUCCESS(status);
while (parseLine.find()) {
UnicodeString from = parseHex(parseLine.group(1, status));
if (!Normalizer::isNormalized(from, UNORM_NFD, status)) {
// The source character was not NFD.
// Skip this case; the first step in obtaining a skeleton is to NFD the input,
// so the mapping in this line of confusables.txt will never be applied.
continue;
}
UnicodeString rawExpected = parseHex(parseLine.group(2, status));
UnicodeString expected;
Normalizer::decompose(rawExpected, FALSE /*NFD*/, 0, expected, status);
TEST_ASSERT_SUCCESS(status);
int32_t skeletonType = 0;
UnicodeString tableType = parseLine.group(3, status);
TEST_ASSERT_SUCCESS(status);
if (tableType.indexOf("SL") >= 0) {
skeletonType = USPOOF_SINGLE_SCRIPT_CONFUSABLE;
} else if (tableType.indexOf("SA") >= 0) {
skeletonType = USPOOF_SINGLE_SCRIPT_CONFUSABLE | USPOOF_ANY_CASE;
} else if (tableType.indexOf("ML") >= 0) {
skeletonType = 0;
} else if (tableType.indexOf("MA") >= 0) {
skeletonType = USPOOF_ANY_CASE;
}
UnicodeString actual;
uspoof_getSkeletonUnicodeString(sc.getAlias(), skeletonType, from, actual, &status);
TEST_ASSERT_SUCCESS(status);
TEST_ASSERT(actual == expected);
if (actual != expected) {
errln(parseLine.group(0, status));
UnicodeString line = "Actual: ";
int i = 0;
while (i < actual.length()) {
appendHexUChar(line, actual.char32At(i));
i = actual.moveIndex32(i, 1);
}
errln(line);
}
if (U_FAILURE(status)) {
break;
}
}
}
void IntlTestSpoof::testScriptSet() {
ScriptSet s1;
ScriptSet s2;
UErrorCode status = U_ZERO_ERROR;
TEST_ASSERT(s1 == s2);
s1.set(USCRIPT_ARABIC,status);
TEST_ASSERT_SUCCESS(status);
TEST_ASSERT(!(s1 == s2));
TEST_ASSERT(s1.test(USCRIPT_ARABIC, status));
TEST_ASSERT(s1.test(USCRIPT_GREEK, status) == FALSE);
status = U_ZERO_ERROR;
s1.reset(USCRIPT_ARABIC, status);
TEST_ASSERT(s1 == s2);
status = U_ZERO_ERROR;
s1.setAll();
TEST_ASSERT(s1.test(USCRIPT_COMMON, status));
TEST_ASSERT(s1.test(USCRIPT_ETHIOPIC, status));
TEST_ASSERT(s1.test(USCRIPT_CODE_LIMIT, status));
s1.resetAll();
TEST_ASSERT(!s1.test(USCRIPT_COMMON, status));
TEST_ASSERT(!s1.test(USCRIPT_ETHIOPIC, status));
TEST_ASSERT(!s1.test(USCRIPT_CODE_LIMIT, status));
status = U_ZERO_ERROR;
s1.set(USCRIPT_TAKRI, status);
s1.set(USCRIPT_BLISSYMBOLS, status);
s2.setAll();
TEST_ASSERT(s2.contains(s1));
TEST_ASSERT(!s1.contains(s2));
TEST_ASSERT(s2.intersects(s1));
TEST_ASSERT(s1.intersects(s2));
s2.reset(USCRIPT_TAKRI, status);
TEST_ASSERT(!s2.contains(s1));
TEST_ASSERT(!s1.contains(s2));
TEST_ASSERT(s1.intersects(s2));
TEST_ASSERT(s2.intersects(s1));
TEST_ASSERT_SUCCESS(status);
status = U_ZERO_ERROR;
s1.resetAll();
s1.set(USCRIPT_NKO, status);
s1.set(USCRIPT_COMMON, status);
s2 = s1;
TEST_ASSERT(s2 == s1);
TEST_ASSERT_EQ(2, s2.countMembers());
s2.intersect(s1);
TEST_ASSERT(s2 == s1);
s2.setAll();
TEST_ASSERT(!(s2 == s1));
TEST_ASSERT(s2.countMembers() >= USCRIPT_CODE_LIMIT);
s2.intersect(s1);
TEST_ASSERT(s2 == s1);
s2.setAll();
s2.reset(USCRIPT_COMMON, status);
s2.intersect(s1);
TEST_ASSERT(s2.countMembers() == 1);
s1.resetAll();
TEST_ASSERT(s1.isEmpty());
s1.set(USCRIPT_LATIN, status);
TEST_ASSERT(!s1.isEmpty());
s1.setAll();
TEST_ASSERT(!s1.isEmpty());
TEST_ASSERT_SUCCESS(status);
s1.resetAll();
s1.set(USCRIPT_AFAKA, status);
s1.set(USCRIPT_VAI, status);
s1.set(USCRIPT_INHERITED, status);
int32_t n = -1;
for (int32_t i=0; i<4; i++) {
n = s1.nextSetBit(n+1);
switch (i) {
case 0: TEST_ASSERT_EQ(USCRIPT_INHERITED, n); break;
case 1: TEST_ASSERT_EQ(USCRIPT_VAI, n); break;
case 2: TEST_ASSERT_EQ(USCRIPT_AFAKA, n); break;
case 3: TEST_ASSERT_EQ(-1, (int32_t)n); break;
default: TEST_ASSERT(FALSE);
}
}
TEST_ASSERT_SUCCESS(status);
// Script extensions. Depends on data.
s1.resetAll();
s1.setScriptExtensions(0x67, status);
TEST_ASSERT(s1.countMembers() == 1);
TEST_ASSERT(s1.test(USCRIPT_LATIN, status));
TEST_ASSERT_SUCCESS(status);
s1.resetAll();
s1.setScriptExtensions(0x303C, status);
TEST_ASSERT(s1.countMembers() == 3);
TEST_ASSERT(s1.test(USCRIPT_HAN, status));
TEST_ASSERT(s1.test(USCRIPT_HIRAGANA, status));
TEST_ASSERT(s1.test(USCRIPT_KATAKANA, status));
TEST_ASSERT_SUCCESS(status);
// Additional tests
ScriptSet bitset12; bitset12.set(USCRIPT_LATIN, status).set(USCRIPT_HANGUL, status);
ScriptSet bitset2; bitset2.set(USCRIPT_HANGUL, status);
TEST_ASSERT(bitset12.contains(bitset2));
TEST_ASSERT(bitset12.contains(bitset12));
TEST_ASSERT(!bitset2.contains(bitset12));
ScriptSet arabSet; arabSet.set(USCRIPT_ARABIC, status);
ScriptSet latinSet; latinSet.set(USCRIPT_LATIN, status);
UElement arabEl; arabEl.pointer = &arabSet;
UElement latinEl; latinEl.pointer = &latinSet;
TEST_ASSERT(uhash_compareScriptSet(arabEl, latinEl) < 0);
TEST_ASSERT(uhash_compareScriptSet(latinEl, arabEl) > 0);
UnicodeString scriptString;
bitset12.displayScripts(scriptString);
TEST_ASSERT(UNICODE_STRING_SIMPLE("Hang Latn") == scriptString);
}
void IntlTestSpoof::testRestrictionLevel() {
struct Test {
const char *fId;
URestrictionLevel fExpectedRestrictionLevel;
} tests[] = {
{"\\u0061\\u03B3\\u2665", USPOOF_UNRESTRICTIVE},
{"a", USPOOF_ASCII},
{"\\u03B3", USPOOF_SINGLE_SCRIPT_RESTRICTIVE},
{"\\u0061\\u30A2\\u30FC", USPOOF_HIGHLY_RESTRICTIVE},
{"\\u0061\\u0904", USPOOF_MODERATELY_RESTRICTIVE},
{"\\u0061\\u03B3", USPOOF_MINIMALLY_RESTRICTIVE},
{"\\u0061\\u2665", USPOOF_UNRESTRICTIVE},
{"\\u0061\\u303C", USPOOF_HIGHLY_RESTRICTIVE},
{"\\u0061\\u30FC\\u303C", USPOOF_HIGHLY_RESTRICTIVE},
{"\\u0061\\u30FC\\u303C\\u30A2", USPOOF_HIGHLY_RESTRICTIVE},
{"\\u30A2\\u0061\\u30FC\\u303C", USPOOF_HIGHLY_RESTRICTIVE},
{"\\u0061\\u0031\\u0661", USPOOF_MODERATELY_RESTRICTIVE},
{"\\u0061\\u0031\\u0661\\u06F1", USPOOF_MODERATELY_RESTRICTIVE},
{"\\u0661\\u30FC\\u303C\\u0061\\u30A2\\u0031\\u0967\\u06F1", USPOOF_MINIMALLY_RESTRICTIVE},
{"\\u0061\\u30A2\\u30FC\\u303C\\u0031\\u0967\\u0661\\u06F1", USPOOF_MINIMALLY_RESTRICTIVE}
};
char msgBuffer[100];
URestrictionLevel restrictionLevels[] = { USPOOF_ASCII, USPOOF_SINGLE_SCRIPT_RESTRICTIVE,
USPOOF_HIGHLY_RESTRICTIVE, USPOOF_MODERATELY_RESTRICTIVE, USPOOF_MINIMALLY_RESTRICTIVE,
USPOOF_UNRESTRICTIVE};
UErrorCode status = U_ZERO_ERROR;
UnicodeSet allowedChars;
// Allowed Identifier Characters. In addition to the Recommended Set,
// allow u303c, which has an interesting script extension of Hani Hira Kana.
allowedChars.addAll(*uspoof_getRecommendedUnicodeSet(&status)).add(0x303C);
for (int32_t testNum=0; testNum < UPRV_LENGTHOF(tests); testNum++) {
status = U_ZERO_ERROR;
const Test &test = tests[testNum];
UnicodeString testString = UnicodeString(test.fId).unescape();
URestrictionLevel expectedLevel = test.fExpectedRestrictionLevel;
for (int levelIndex=0; levelIndex<UPRV_LENGTHOF(restrictionLevels); levelIndex++) {
status = U_ZERO_ERROR;
URestrictionLevel levelSetInSpoofChecker = restrictionLevels[levelIndex];
USpoofChecker *sc = uspoof_open(&status);
uspoof_setAllowedChars(sc, allowedChars.toUSet(), &status);
uspoof_setRestrictionLevel(sc, levelSetInSpoofChecker);
uspoof_setChecks(sc, USPOOF_RESTRICTION_LEVEL, &status);
int32_t actualValue = uspoof_checkUnicodeString(sc, testString, NULL, &status);
// we want to fail if the text is (say) MODERATE and the testLevel is ASCII
int32_t expectedValue = 0;
if (expectedLevel > levelSetInSpoofChecker) {
expectedValue |= USPOOF_RESTRICTION_LEVEL;
}
sprintf(msgBuffer, "testNum = %d, levelIndex = %d, expected = %#x, actual = %#x",
testNum, levelIndex, expectedValue, actualValue);
TEST_ASSERT_MSG(expectedValue == actualValue, msgBuffer);
TEST_ASSERT_SUCCESS(status);
// Run the same check again, with the Spoof Checker configured to return
// the actual restriction level.
uspoof_setAllowedChars(sc, allowedChars.toUSet(), &status);
uspoof_setRestrictionLevel(sc, levelSetInSpoofChecker);
uspoof_setChecks(sc, USPOOF_AUX_INFO | USPOOF_RESTRICTION_LEVEL, &status);
int32_t result = uspoof_checkUnicodeString(sc, testString, NULL, &status);
TEST_ASSERT_SUCCESS(status);
if (U_SUCCESS(status)) {
TEST_ASSERT_EQ(expectedLevel, result & USPOOF_RESTRICTION_LEVEL_MASK);
TEST_ASSERT_EQ(expectedValue, result & USPOOF_ALL_CHECKS);
}
uspoof_close(sc);
}
}
}
void IntlTestSpoof::testMixedNumbers() {
struct Test {
const char *fTestString;
const char *fExpectedSet;
} tests[] = {
{"1", "[0]"},
{"\\u0967", "[\\u0966]"},
{"1\\u0967", "[0\\u0966]"},
{"\\u0661\\u06F1", "[\\u0660\\u06F0]"},
{"\\u0061\\u2665", "[]"},
{"\\u0061\\u303C", "[]"},
{"\\u0061\\u30FC\\u303C", "[]"},
{"\\u0061\\u30FC\\u303C\\u30A2", "[]"},
{"\\u30A2\\u0061\\u30FC\\u303C", "[]"},
{"\\u0061\\u0031\\u0661", "[\\u0030\\u0660]"},
{"\\u0061\\u0031\\u0661\\u06F1", "[\\u0030\\u0660\\u06F0]"},
{"\\u0661\\u30FC\\u303C\\u0061\\u30A2\\u0031\\u0967\\u06F1", "[\\u0030\\u0660\\u06F0\\u0966]"},
{"\\u0061\\u30A2\\u30FC\\u303C\\u0031\\u0967\\u0661\\u06F1", "[\\u0030\\u0660\\u06F0\\u0966]"}
};
UErrorCode status = U_ZERO_ERROR;
for (int32_t testNum=0; testNum < UPRV_LENGTHOF(tests); testNum++) {
char msgBuf[100];
sprintf(msgBuf, "testNum = %d ", testNum);
Test &test = tests[testNum];
status = U_ZERO_ERROR;
UnicodeString testString = UnicodeString(test.fTestString).unescape();
UnicodeSet expectedSet(UnicodeString(test.fExpectedSet).unescape(), status);
status = U_ZERO_ERROR;
TEST_SETUP
uspoof_setChecks(sc, USPOOF_MIXED_NUMBERS, &status); // only check this
uspoof_check2UnicodeString(sc, testString, checkResult, &status);
UBool mixedNumberFailure = ((uspoof_getCheckResultChecks(checkResult, &status) & USPOOF_MIXED_NUMBERS) != 0);
TEST_ASSERT_MSG((expectedSet.size() > 1) == mixedNumberFailure, msgBuf);
const UnicodeSet* actualSet = UnicodeSet::fromUSet(uspoof_getCheckResultNumerics(checkResult, &status));
TEST_ASSERT_MSG(expectedSet == *actualSet, msgBuf);
TEST_TEARDOWN
}
}
// Bug #12153 - uspoof_setRestrictionLevel() should enable restriction level testing.
//
void IntlTestSpoof::testBug12153() {
UErrorCode status = U_ZERO_ERROR;
LocalUSpoofCheckerPointer sc(uspoof_open(&status));
if (!assertSuccess("", status, true, __FILE__, __LINE__)) { return; }
int32_t checks = uspoof_getChecks(sc.getAlias(), &status);
TEST_ASSERT((checks & USPOOF_RESTRICTION_LEVEL) != 0);
checks &= ~USPOOF_RESTRICTION_LEVEL;
uspoof_setChecks(sc.getAlias(), checks, &status);
checks = uspoof_getChecks(sc.getAlias(), &status);
TEST_ASSERT((checks & USPOOF_RESTRICTION_LEVEL) == 0);
uspoof_setRestrictionLevel(sc.getAlias(), USPOOF_MODERATELY_RESTRICTIVE);
checks = uspoof_getChecks(sc.getAlias(), &status);
TEST_ASSERT((checks & USPOOF_RESTRICTION_LEVEL) != 0);
TEST_ASSERT_SUCCESS(status);
}
// uspoof_checkUnicodeString should NOT have an infinite loop.
void IntlTestSpoof::testBug12825() {
UErrorCode status = U_ZERO_ERROR;
LocalUSpoofCheckerPointer sc(uspoof_open(&status));
TEST_ASSERT_SUCCESS(status);
uspoof_setChecks(sc.getAlias(), USPOOF_ALL_CHECKS | USPOOF_AUX_INFO, &status);
TEST_ASSERT_SUCCESS(status);
uspoof_checkUnicodeString(sc.getAlias(), UnicodeString("\\u30FB").unescape(), NULL, &status);
TEST_ASSERT_SUCCESS(status);
}
// uspoof_getSkeleton should NOT set an ILLEGAL_ARGUMENT_EXCEPTION.
void IntlTestSpoof::testBug12815() {
UErrorCode status = U_ZERO_ERROR;
LocalUSpoofCheckerPointer sc(uspoof_open(&status));
TEST_ASSERT_SUCCESS(status);
uspoof_setChecks(sc.getAlias(), USPOOF_RESTRICTION_LEVEL, &status);
TEST_ASSERT_SUCCESS(status);
UnicodeString result;
uspoof_getSkeletonUnicodeString(sc.getAlias(), 0, UnicodeString("hello world"), result, &status);
TEST_ASSERT_SUCCESS(status);
}
void IntlTestSpoof::testBug13314_MixedNumbers() {
UErrorCode status = U_ZERO_ERROR;
LocalUSpoofCheckerPointer sc(uspoof_open(&status));
if (!assertSuccess("", status, true, __FILE__, __LINE__)) { return; }
uspoof_setChecks(sc.getAlias(), USPOOF_ALL_CHECKS, &status);
TEST_ASSERT_SUCCESS(status);
int32_t failedChecks = uspoof_areConfusableUnicodeString(sc.getAlias(), u"", u"", &status);
TEST_ASSERT_SUCCESS(status);
assertEquals("The CJK strings should be confusable", USPOOF_SINGLE_SCRIPT_CONFUSABLE, failedChecks);
failedChecks = uspoof_check2UnicodeString(sc.getAlias(), u"3Ȝ", nullptr, &status);
TEST_ASSERT_SUCCESS(status);
assertEquals("The '33' string does not fail spoof", 0, failedChecks);
}
void IntlTestSpoof::testBug13328_MixedCombiningMarks() {
UErrorCode status = U_ZERO_ERROR;
LocalUSpoofCheckerPointer sc(uspoof_open(&status));
if (!assertSuccess("", status, true, __FILE__, __LINE__)) { return; }
int32_t failedChecks = uspoof_check2UnicodeString(sc.getAlias(), u"\u0061\u0F84", nullptr, &status);
TEST_ASSERT_SUCCESS(status);
assertEquals(
"The mismatched combining marks string fails spoof",
USPOOF_RESTRICTION_LEVEL,
failedChecks);
}
void IntlTestSpoof::testCombiningDot() {
UErrorCode status = U_ZERO_ERROR;
LocalUSpoofCheckerPointer sc(uspoof_open(&status));
if (!assertSuccess("", status, true, __FILE__, __LINE__)) { return; }
uspoof_setChecks(sc.getAlias(), USPOOF_HIDDEN_OVERLAY, &status);
TEST_ASSERT_SUCCESS(status);
static const struct TestCase {
bool shouldFail;
const char16_t* input;
} cases[] = {
{false, u"i"},
{false, u"j"},
{false, u"l"},
{true, u"i\u0307"},
{true, u"j\u0307"},
{true, u"l\u0307"},
{true, u"ı\u0307"},
{true, u"ȷ\u0307"},
{true, u"𝚤\u0307"},
{true, u"𝑗\u0307"},
{false, u"m\u0307"},
{true, u"1\u0307"},
{true, u"ij\u0307"},
{true, u"i\u0307\u0307"},
{true, u"abci\u0307def"},
{false, u"i\u0301\u0307"}, // U+0301 has combining class ABOVE (230)
{true, u"i\u0320\u0307"}, // U+0320 has combining class BELOW
{true, u"i\u0320\u0321\u0307"}, // U+0321 also has combining class BELOW
{false, u"i\u0320\u0301\u0307"},
{false, u"iz\u0307"},
};
for (auto& cas : cases) {
int32_t failedChecks = uspoof_check2(sc.getAlias(), cas.input, -1, nullptr, &status);
TEST_ASSERT_SUCCESS(status);
int32_t expected = cas.shouldFail ? USPOOF_HIDDEN_OVERLAY : 0;
assertEquals(cas.input, expected, failedChecks);
}
}
#endif /* !UCONFIG_NO_REGULAR_EXPRESSIONS && !UCONFIG_NO_NORMALIZATION && !UCONFIG_NO_FILE_IO */