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gecko-dev/intl/lwbrk/gtest/TestLineBreak.cpp

270 строки
8.9 KiB
C++
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "nsXPCOM.h"
#include "nsIComponentManager.h"
#include "nsISupports.h"
#include "nsServiceManagerUtils.h"
#include "nsString.h"
#include "gtest/gtest.h"
#include "mozilla/intl/LineBreaker.h"
#include "mozilla/intl/WordBreaker.h"
static char teng1[] =
// 1 2 3 4 5 6 7
// 01234567890123456789012345678901234567890123456789012345678901234567890123456789
"This is a test to test(reasonable) line break. This 0.01123 = 45 x 48.";
static uint32_t lexp1[] = {4, 7, 9, 14, 17, 34, 39, 40, 41,
42, 49, 54, 62, 64, 67, 69, 73};
static uint32_t wexp1[] = {4, 5, 7, 8, 9, 10, 14, 15, 17, 18, 22,
23, 33, 34, 35, 39, 43, 48, 49, 50, 54, 55,
56, 57, 62, 63, 64, 65, 67, 68, 69, 70, 72};
static char teng2[] =
// 1 2 3 4 5 6 7
// 01234567890123456789012345678901234567890123456789012345678901234567890123456789
"()((reasonab(l)e) line break. .01123=45x48.";
static uint32_t lexp2[] = {17, 22, 23, 30, 44};
static uint32_t wexp2[] = {4, 12, 13, 14, 15, 16, 17, 18, 22,
24, 29, 30, 31, 32, 37, 38, 43};
static char teng3[] =
// 1 2 3 4 5 6 7
// 01234567890123456789012345678901234567890123456789012345678901234567890123456789
"It's a test to test(ronae ) line break....";
static uint32_t lexp3[] = {4, 6, 11, 14, 25, 27, 32, 42};
static uint32_t wexp3[] = {2, 3, 4, 5, 6, 7, 11, 12, 14, 15,
19, 20, 25, 26, 27, 28, 32, 33, 38};
static char ruler1[] =
" 1 2 3 4 5 6 7 ";
static char ruler2[] =
"0123456789012345678901234567890123456789012345678901234567890123456789012";
bool Check(const char* in, const uint32_t* out, uint32_t outlen, uint32_t i,
uint32_t res[256]) {
bool ok = true;
if (i != outlen) {
ok = false;
printf("WARNING!!! return size wrong, expect %d but got %d \n", outlen, i);
}
for (uint32_t j = 0; j < i; j++) {
if (j < outlen) {
if (res[j] != out[j]) {
ok = false;
printf("[%d] expect %d but got %d\n", j, out[j], res[j]);
}
} else {
ok = false;
printf("[%d] additional %d\n", j, res[j]);
}
}
if (!ok) {
printf("string = \n%s\n", in);
printf("%s\n", ruler1);
printf("%s\n", ruler2);
printf("Expect = \n");
for (uint32_t j = 0; j < outlen; j++) {
printf("%d,", out[j]);
}
printf("\nResult = \n");
for (uint32_t j = 0; j < i; j++) {
printf("%d,", res[j]);
}
printf("\n");
}
return ok;
}
bool TestASCIILB(mozilla::intl::LineBreaker* lb, const char* in,
const uint32_t* out, uint32_t outlen) {
NS_ConvertASCIItoUTF16 eng1(in);
uint32_t i;
uint32_t res[256];
int32_t curr;
for (i = 0, curr = 0; curr != NS_LINEBREAKER_NEED_MORE_TEXT && i < 256; i++) {
curr = lb->Next(eng1.get(), eng1.Length(), curr);
res[i] = curr != NS_LINEBREAKER_NEED_MORE_TEXT ? curr : eng1.Length();
}
return Check(in, out, outlen, i, res);
}
bool TestASCIIWB(mozilla::intl::WordBreaker* lb, const char* in,
const uint32_t* out, uint32_t outlen) {
NS_ConvertASCIItoUTF16 eng1(in);
uint32_t i;
uint32_t res[256];
int32_t curr = 0;
for (i = 0, curr = lb->NextWord(eng1.get(), eng1.Length(), curr);
curr != NS_WORDBREAKER_NEED_MORE_TEXT && i < 256;
curr = lb->NextWord(eng1.get(), eng1.Length(), curr), i++) {
res[i] = curr != NS_WORDBREAKER_NEED_MORE_TEXT ? curr : eng1.Length();
}
return Check(in, out, outlen, i, res);
}
TEST(LineBreak, LineBreaker)
{
RefPtr<mozilla::intl::LineBreaker> t = mozilla::intl::LineBreaker::Create();
ASSERT_TRUE(t);
ASSERT_TRUE(TestASCIILB(t, teng1, lexp1, sizeof(lexp1) / sizeof(uint32_t)));
ASSERT_TRUE(TestASCIILB(t, teng2, lexp2, sizeof(lexp2) / sizeof(uint32_t)));
ASSERT_TRUE(TestASCIILB(t, teng3, lexp3, sizeof(lexp3) / sizeof(uint32_t)));
}
TEST(LineBreak, WordBreaker)
{
RefPtr<mozilla::intl::WordBreaker> t = mozilla::intl::WordBreaker::Create();
ASSERT_TRUE(t);
ASSERT_TRUE(TestASCIIWB(t, teng1, wexp1, sizeof(wexp1) / sizeof(uint32_t)));
ASSERT_TRUE(TestASCIIWB(t, teng2, wexp2, sizeof(wexp2) / sizeof(uint32_t)));
ASSERT_TRUE(TestASCIIWB(t, teng3, wexp3, sizeof(wexp3) / sizeof(uint32_t)));
}
// 012345678901234
static const char wb0[] = "T";
static const char wb1[] = "h";
static const char wb2[] = "is is a int";
static const char wb3[] = "ernationali";
static const char wb4[] = "zation work.";
static const char* wb[] = {wb0, wb1, wb2, wb3, wb4};
void TestPrintWordWithBreak() {
uint32_t numOfFragment = sizeof(wb) / sizeof(char*);
RefPtr<mozilla::intl::WordBreaker> wbk = mozilla::intl::WordBreaker::Create();
nsAutoString result;
for (uint32_t i = 0; i < numOfFragment; i++) {
NS_ConvertASCIItoUTF16 fragText(wb[i]);
int32_t cur = 0;
cur = wbk->NextWord(fragText.get(), fragText.Length(), cur);
uint32_t start = 0;
for (uint32_t j = 0; cur != NS_WORDBREAKER_NEED_MORE_TEXT; j++) {
result.Append(Substring(fragText, start, cur - start));
result.Append('^');
start = (cur >= 0 ? cur : cur - start);
cur = wbk->NextWord(fragText.get(), fragText.Length(), cur);
}
result.Append(Substring(fragText, fragText.Length() - start));
if (i != numOfFragment - 1) {
NS_ConvertASCIItoUTF16 nextFragText(wb[i + 1]);
bool canBreak = true;
canBreak = wbk->BreakInBetween(fragText.get(), fragText.Length(),
nextFragText.get(), nextFragText.Length());
if (canBreak) {
result.Append('^');
}
fragText.Assign(nextFragText);
}
}
ASSERT_STREQ("is^ ^is^ ^a^ ^ is a intzation^ ^work^ation work.",
NS_ConvertUTF16toUTF8(result).get());
}
void TestFindWordBreakFromPosition(uint32_t fragN, uint32_t offset,
const char* expected) {
uint32_t numOfFragment = sizeof(wb) / sizeof(char*);
RefPtr<mozilla::intl::WordBreaker> wbk = mozilla::intl::WordBreaker::Create();
NS_ConvertASCIItoUTF16 fragText(wb[fragN]);
mozilla::intl::WordRange res =
wbk->FindWord(fragText.get(), fragText.Length(), offset);
bool canBreak;
nsAutoString result(Substring(fragText, res.mBegin, res.mEnd - res.mBegin));
if ((uint32_t)fragText.Length() == res.mEnd) {
// if we hit the end of the fragment
nsAutoString curFragText = fragText;
for (uint32_t p = fragN + 1; p < numOfFragment; p++) {
NS_ConvertASCIItoUTF16 nextFragText(wb[p]);
canBreak = wbk->BreakInBetween(curFragText.get(), curFragText.Length(),
nextFragText.get(), nextFragText.Length());
if (canBreak) {
break;
}
mozilla::intl::WordRange r =
wbk->FindWord(nextFragText.get(), nextFragText.Length(), 0);
result.Append(Substring(nextFragText, r.mBegin, r.mEnd - r.mBegin));
if ((uint32_t)nextFragText.Length() != r.mEnd) {
break;
}
nextFragText.Assign(curFragText);
}
}
if (0 == res.mBegin) {
// if we hit the beginning of the fragment
nsAutoString curFragText = fragText;
for (uint32_t p = fragN; p > 0; p--) {
NS_ConvertASCIItoUTF16 prevFragText(wb[p - 1]);
canBreak = wbk->BreakInBetween(prevFragText.get(), prevFragText.Length(),
curFragText.get(), curFragText.Length());
if (canBreak) {
break;
}
mozilla::intl::WordRange r = wbk->FindWord(
prevFragText.get(), prevFragText.Length(), prevFragText.Length());
result.Insert(Substring(prevFragText, r.mBegin, r.mEnd - r.mBegin), 0);
if (0 != r.mBegin) {
break;
}
prevFragText.Assign(curFragText);
}
}
ASSERT_STREQ(expected, NS_ConvertUTF16toUTF8(result).get())
<< "FindWordBreakFromPosition(" << fragN << ", " << offset << ")";
}
TEST(LineBreak, WordBreakUsage)
{
TestPrintWordWithBreak();
TestFindWordBreakFromPosition(0, 0, "This");
TestFindWordBreakFromPosition(1, 0, "his");
TestFindWordBreakFromPosition(2, 0, "is");
TestFindWordBreakFromPosition(2, 1, "is");
TestFindWordBreakFromPosition(2, 9, " ");
TestFindWordBreakFromPosition(2, 10, "internationalization");
TestFindWordBreakFromPosition(3, 4, "ernationalization");
TestFindWordBreakFromPosition(3, 8, "ernationalization");
TestFindWordBreakFromPosition(4, 6, " ");
TestFindWordBreakFromPosition(4, 7, "work");
}
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