| /* |
| ********************************************************************** |
| * Copyright (C) 2010, 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; |
| 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.") |
| |
| // FC5F ; FE74 0651 ; ML #* ARABIC LIGATURE SHADDA WITH KASRATAN ISOLATED FORM to |
| // ARABIC KASRATAN ISOLATED FORM, ARABIC SHADDA |
| // This character NFKD normalizes to \u0020 \u064d \u0651, so its confusable mapping |
| // is never used in creating a skeleton. |
| CHECK_SKELETON(SL, "\\uFC5F", " \\u064d\\u0651"); |
| |
| 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"); |
| |
| 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); |
| |
| // Tow 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; |
| } |
| |
| |
| 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_NFKD, status)) { |
| // The source character was not NFKD. |
| // Skip this case; the first step in obtaining a skeleton is to NFKD 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, TRUE, 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 |
| |