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Diffstat (limited to 'Build/source/libs/icu/icu-4.8.1/test/intltest/itspoof.cpp')
-rw-r--r-- | Build/source/libs/icu/icu-4.8.1/test/intltest/itspoof.cpp | 416 |
1 files changed, 416 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-4.8.1/test/intltest/itspoof.cpp b/Build/source/libs/icu/icu-4.8.1/test/intltest/itspoof.cpp new file mode 100644 index 00000000000..d33119c34c6 --- /dev/null +++ b/Build/source/libs/icu/icu-4.8.1/test/intltest/itspoof.cpp @@ -0,0 +1,416 @@ +/* +********************************************************************** +* 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 + |