Mypal/intl/unicharutil/tests/NormalizationTest.cpp
2019-03-11 13:26:37 +03:00

283 lines
7.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h>
#include "gtest/gtest.h"
#include "nsXPCOM.h"
#include "nsIUnicodeNormalizer.h"
#include "nsString.h"
#include "nsCharTraits.h"
#include "nsServiceManagerUtils.h"
#include "mozilla/Sprintf.h"
struct testcaseLine {
wchar_t* c1;
wchar_t* c2;
wchar_t* c3;
wchar_t* c4;
wchar_t* c5;
char* description;
};
#ifdef DEBUG_smontagu
#define DEBUG_NAMED_TESTCASE(t, s) \
printf(t ": "); \
for (uint32_t i = 0; i < s.Length(); ++i) \
printf("%x ", s.CharAt(i)); \
printf("\n")
#else
#define DEBUG_NAMED_TESTCASE(t, s)
#endif
#define DEBUG_TESTCASE(x) DEBUG_NAMED_TESTCASE(#x, x)
#define NORMALIZE_AND_COMPARE(base, comparison, form, description) \
normalized.Truncate();\
normalizer->NormalizeUnicode##form(comparison, normalized);\
DEBUG_NAMED_TESTCASE(#form "(" #comparison ")", normalized);\
if (!base.Equals(normalized)) {\
rv = false;\
showError(description, #base " != " #form "(" #comparison ")\n");\
}
NS_DEFINE_CID(kUnicodeNormalizerCID, NS_UNICODE_NORMALIZER_CID);
nsIUnicodeNormalizer *normalizer;
#include "NormalizationData.h"
void showError(const char* description, const char* errorText)
{
printf("%s failed: %s", description, errorText);
}
bool TestInvariants(testcaseLine* testLine)
{
nsAutoString c1, c2, c3, c4, c5, normalized;
c1 = nsDependentString((char16_t*)testLine->c1);
c2 = nsDependentString((char16_t*)testLine->c2);
c3 = nsDependentString((char16_t*)testLine->c3);
c4 = nsDependentString((char16_t*)testLine->c4);
c5 = nsDependentString((char16_t*)testLine->c5);
bool rv = true;
/*
1. The following invariants must be true for all conformant implementations
NFC
c2 == NFC(c1) == NFC(c2) == NFC(c3)
*/
DEBUG_TESTCASE(c2);
NORMALIZE_AND_COMPARE(c2, c1, NFC, testLine->description);
NORMALIZE_AND_COMPARE(c2, c2, NFC, testLine->description);
NORMALIZE_AND_COMPARE(c2, c3, NFC, testLine->description);
/*
c4 == NFC(c4) == NFC(c5)
*/
DEBUG_TESTCASE(c4);
NORMALIZE_AND_COMPARE(c4, c4, NFC, testLine->description);
NORMALIZE_AND_COMPARE(c4, c5, NFC, testLine->description);
/*
NFD
c3 == NFD(c1) == NFD(c2) == NFD(c3)
*/
DEBUG_TESTCASE(c3);
NORMALIZE_AND_COMPARE(c3, c1, NFD, testLine->description);
NORMALIZE_AND_COMPARE(c3, c2, NFD, testLine->description);
NORMALIZE_AND_COMPARE(c3, c3, NFD, testLine->description);
/*
c5 == NFD(c4) == NFD(c5)
*/
DEBUG_TESTCASE(c5);
NORMALIZE_AND_COMPARE(c5, c4, NFD, testLine->description);
NORMALIZE_AND_COMPARE(c5, c5, NFD, testLine->description);
/*
NFKC
c4 == NFKC(c1) == NFKC(c2) == NFKC(c3) == NFKC(c4) == NFKC(c5)
*/
DEBUG_TESTCASE(c4);
NORMALIZE_AND_COMPARE(c4, c1, NFKC, testLine->description);
NORMALIZE_AND_COMPARE(c4, c2, NFKC, testLine->description);
NORMALIZE_AND_COMPARE(c4, c3, NFKC, testLine->description);
NORMALIZE_AND_COMPARE(c4, c4, NFKC, testLine->description);
NORMALIZE_AND_COMPARE(c4, c5, NFKC, testLine->description);
/*
NFKD
c5 == NFKD(c1) == NFKD(c2) == NFKD(c3) == NFKD(c4) == NFKD(c5)
*/
DEBUG_TESTCASE(c5);
NORMALIZE_AND_COMPARE(c5, c1, NFKD, testLine->description);
NORMALIZE_AND_COMPARE(c5, c2, NFKD, testLine->description);
NORMALIZE_AND_COMPARE(c5, c3, NFKD, testLine->description);
NORMALIZE_AND_COMPARE(c5, c4, NFKD, testLine->description);
NORMALIZE_AND_COMPARE(c5, c5, NFKD, testLine->description);
return rv;
}
uint32_t UTF32CodepointFromTestcase(testcaseLine* testLine)
{
if (!IS_SURROGATE(testLine->c1[0]))
return testLine->c1[0];
NS_ASSERTION(NS_IS_HIGH_SURROGATE(testLine->c1[0]) &&
NS_IS_LOW_SURROGATE(testLine->c1[1]),
"Test data neither in BMP nor legal surrogate pair");
return SURROGATE_TO_UCS4(testLine->c1[0], testLine->c1[1]);
}
bool TestUnspecifiedCodepoint(uint32_t codepoint)
{
bool rv = true;
char16_t unicharArray[3];
nsAutoString X, normalized;
if (IS_IN_BMP(codepoint)) {
unicharArray[0] = codepoint;
unicharArray[1] = 0;
X = nsDependentString(unicharArray);
}
else {
unicharArray[0] = H_SURROGATE(codepoint);
unicharArray[1] = L_SURROGATE(codepoint);
unicharArray[2] = 0;
X = nsDependentString(unicharArray);
}
/*
2. For every code point X assigned in this version of Unicode that is not specifically
listed in Part 1, the following invariants must be true for all conformant
implementations:
X == NFC(X) == NFD(X) == NFKC(X) == NFKD(X)
*/
static const size_t len = 9;
char description[len];
DEBUG_TESTCASE(X);
snprintf(description, len, "U+%04X", codepoint);
NORMALIZE_AND_COMPARE(X, X, NFC, description);
NORMALIZE_AND_COMPARE(X, X, NFD, description);
NORMALIZE_AND_COMPARE(X, X, NFKC, description);
NORMALIZE_AND_COMPARE(X, X, NFKD, description);
return rv;
}
void TestPart0()
{
printf("Test Part0: Specific cases\n");
uint32_t i = 0;
uint32_t numFailed = 0;
uint32_t numPassed = 0;
while (Part0TestData[i].c1[0] != 0) {
if (TestInvariants(&Part0TestData[i++]))
++numPassed;
else
++numFailed;
}
printf(" %d cases passed, %d failed\n\n", numPassed, numFailed);
EXPECT_EQ(0u, numFailed);
}
void TestPart1()
{
printf("Test Part1: Character by character test\n");
uint32_t i = 0;
uint32_t numFailed = 0;
uint32_t numPassed = 0;
uint32_t codepoint;
uint32_t testDataCodepoint = UTF32CodepointFromTestcase(&Part1TestData[i]);
for (codepoint = 1; codepoint < 0x110000; ++codepoint) {
if (testDataCodepoint == codepoint) {
if (TestInvariants(&Part1TestData[i]))
++numPassed;
else
++numFailed;
testDataCodepoint = UTF32CodepointFromTestcase(&Part1TestData[++i]);
} else {
if (TestUnspecifiedCodepoint(codepoint))
++numPassed;
else
++numFailed;
}
}
printf(" %d cases passed, %d failed\n\n", numPassed, numFailed);
EXPECT_EQ(0u, numFailed);
}
void TestPart2()
{
printf("Test Part2: Canonical Order Test\n");
uint32_t i = 0;
uint32_t numFailed = 0;
uint32_t numPassed = 0;
while (Part2TestData[i].c1[0] != 0) {
if (TestInvariants(&Part2TestData[i++]))
++numPassed;
else
++numFailed;
}
printf(" %d cases passed, %d failed\n\n", numPassed, numFailed);
EXPECT_EQ(0u, numFailed);
}
void TestPart3()
{
printf("Test Part3: PRI #29 Test\n");
uint32_t i = 0;
uint32_t numFailed = 0;
uint32_t numPassed = 0;
while (Part3TestData[i].c1[0] != 0) {
if (TestInvariants(&Part3TestData[i++]))
++numPassed;
else
++numFailed;
}
printf(" %d cases passed, %d failed\n\n", numPassed, numFailed);
EXPECT_EQ(0u, numFailed);
}
TEST(NormalizationTest, Main) {
if (sizeof(wchar_t) != 2) {
printf("This test can only be run where sizeof(wchar_t) == 2\n");
return;
}
if (strlen(versionText) == 0) {
printf("No testcases: to run the tests generate the header file using\n");
printf(" perl genNormalizationData.pl\n");
printf("in intl/unichar/tools and rebuild\n");
return;
}
printf("NormalizationTest: test nsIUnicodeNormalizer. UCD version: %s\n",
versionText);
normalizer = nullptr;
nsresult res;
res = CallGetService(kUnicodeNormalizerCID, &normalizer);
ASSERT_FALSE(NS_FAILED(res)) << "GetService failed";
ASSERT_NE(nullptr, normalizer);
TestPart0();
TestPart1();
TestPart2();
TestPart3();
NS_RELEASE(normalizer);
}