417 lines
16 KiB
C++
417 lines
16 KiB
C++
/*
|
|
**********************************************************************
|
|
* Copyright (C) 2011, 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/uspoof.h"
|
|
#include "unicode/unistr.h"
|
|
#include "unicode/regex.h"
|
|
#include "unicode/normlzr.h"
|
|
#include "cstring.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.\n", __FILE__, __LINE__, #expr);};}
|
|
|
|
#define TEST_ASSERT_EQ(a, b) { if ((a) != (b)) { \
|
|
errln("Test Failure at file %s, line %d: \"%s\" (%d) != \"%s\" (%d) \n", \
|
|
__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) \n", \
|
|
__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); \
|
|
if (U_SUCCESS(status)){
|
|
|
|
#define TEST_TEARDOWN \
|
|
} \
|
|
TEST_ASSERT_SUCCESS(status); \
|
|
uspoof_close(sc); \
|
|
}
|
|
|
|
|
|
|
|
|
|
void IntlTestSpoof::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
|
|
{
|
|
if (exec) logln("TestSuite spoof: ");
|
|
switch (index) {
|
|
case 0:
|
|
name = "TestSpoofAPI";
|
|
if (exec) {
|
|
testSpoofAPI();
|
|
}
|
|
break;
|
|
case 1:
|
|
name = "TestSkeleton";
|
|
if (exec) {
|
|
testSkeleton();
|
|
}
|
|
break;
|
|
case 2:
|
|
name = "TestAreConfusable";
|
|
if (exec) {
|
|
testAreConfusable();
|
|
}
|
|
break;
|
|
case 3:
|
|
name = "TestInvisible";
|
|
if (exec) {
|
|
testInvisible();
|
|
}
|
|
break;
|
|
case 4:
|
|
name = "testConfData";
|
|
if (exec) {
|
|
testConfData();
|
|
}
|
|
break;
|
|
case 5:
|
|
name = "testBug8654";
|
|
if (exec) {
|
|
testBug8654();
|
|
}
|
|
break;
|
|
default: name=""; break;
|
|
}
|
|
}
|
|
|
|
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(666, 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_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.
|
|
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
|
|
// A long "identifier" that will overflow implementation stack buffers, forcing heap allocations.
|
|
CHECK_SKELETON(SL, " A 1ong \\u02b9identifier' that will overflow implementation stack buffers, forcing heap allocations."
|
|
" A 1ong 'identifier' that will overflow implementation stack buffers, forcing heap allocations."
|
|
" A 1ong 'identifier' that will overflow implementation stack buffers, forcing heap allocations."
|
|
" A 1ong 'identifier' that will overflow implementation stack buffers, forcing heap allocations.",
|
|
|
|
" A long 'identifier' that vvill overflovv irnplernentation stack buffers, forcing heap allocations."
|
|
" A long 'identifier' that vvill overflovv irnplernentation stack buffers, forcing heap allocations."
|
|
" A long 'identifier' that vvill overflovv irnplernentation stack buffers, forcing heap allocations."
|
|
" A long 'identifier' that vvill overflovv irnplernentation stack buffers, forcing heap allocations.")
|
|
|
|
CHECK_SKELETON(SL, "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", "00PS"); // Digit 0 unchanged in lower case mode.
|
|
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\\u0627\\u0644\\u0647");
|
|
|
|
// This mapping exists in the ML and MA tables, does not exist in SL, SA
|
|
//0C83 ; 0C03 ;
|
|
CHECK_SKELETON(SL, "\\u0C83", "\\u0C83");
|
|
CHECK_SKELETON(SA, "\\u0C83", "\\u0C83");
|
|
CHECK_SKELETON(ML, "\\u0C83", "\\u0983");
|
|
CHECK_SKELETON(MA, "\\u0C83", "\\u0983");
|
|
|
|
// 0391 ; 0041 ;
|
|
// This mapping exists only in the MA table.
|
|
CHECK_SKELETON(MA, "\\u0391", "A");
|
|
CHECK_SKELETON(SA, "\\u0391", "\\u0391");
|
|
CHECK_SKELETON(ML, "\\u0391", "\\u0391");
|
|
CHECK_SKELETON(SL, "\\u0391", "\\u0391");
|
|
|
|
// 13CF ; 0062 ;
|
|
// This mapping exists in the ML and MA tables
|
|
CHECK_SKELETON(ML, "\\u13CF", "b");
|
|
CHECK_SKELETON(MA, "\\u13CF", "b");
|
|
CHECK_SKELETON(SL, "\\u13CF", "\\u13CF");
|
|
CHECK_SKELETON(SA, "\\u13CF", "\\u13CF");
|
|
|
|
// 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 ; 0066 ;
|
|
// This mapping exists in the SA and MA tables
|
|
CHECK_SKELETON(MA, "\\u017F", "f");
|
|
CHECK_SKELETON(SA, "\\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. ");
|
|
TEST_ASSERT_EQ(USPOOF_SINGLE_SCRIPT_CONFUSABLE, uspoof_areConfusableUnicodeString(sc, s1, s2, &status));
|
|
TEST_ASSERT_SUCCESS(status);
|
|
|
|
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(position == -42);
|
|
|
|
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(7, 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(7, 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(3, 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() {
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
|
|
const char *testDataDir = IntlTest::getSourceTestData(status);
|
|
TEST_ASSERT_SUCCESS(status);
|
|
char buffer[2000];
|
|
uprv_strcpy(buffer, testDataDir);
|
|
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 = 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));
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
#endif // UCONFIG_NO_REGULAR_EXPRESSIONS
|
|
|