324 lines
9.2 KiB
C++
324 lines
9.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdio.h>
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#include "nsXPCOM.h"
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#include "nsIComponentManager.h"
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#include "nsISupports.h"
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#include "nsServiceManagerUtils.h"
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#include "nsILineBreaker.h"
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#include "nsIWordBreaker.h"
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#include "nsLWBrkCIID.h"
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#include "nsString.h"
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#include "gtest/gtest.h"
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NS_DEFINE_CID(kLBrkCID, NS_LBRK_CID);
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NS_DEFINE_CID(kWBrkCID, NS_WBRK_CID);
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static char teng1[] =
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// 1 2 3 4 5 6 7
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//01234567890123456789012345678901234567890123456789012345678901234567890123456789
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"This is a test to test(reasonable) line break. This 0.01123 = 45 x 48.";
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static uint32_t lexp1[] = {
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4,7,9,14,17,34,39,40,41,42,49,54,62,64,67,69,73
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};
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static uint32_t wexp1[] = {
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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,
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64,65,67,68,69,70,72
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};
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static char teng2[] =
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// 1 2 3 4 5 6 7
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//01234567890123456789012345678901234567890123456789012345678901234567890123456789
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"()((reasonab(l)e) line break. .01123=45x48.";
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static uint32_t lexp2[] = {
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17,22,23,30,44
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};
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static uint32_t wexp2[] = {
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4,12,13,14,15,16,17,18,22,24,29,30,31,32,37,38,43
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};
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static char teng3[] =
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// 1 2 3 4 5 6 7
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//01234567890123456789012345678901234567890123456789012345678901234567890123456789
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"It's a test to test(ronae ) line break....";
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static uint32_t lexp3[] = {
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4,6,11,14,25,27,32,42
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};
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static uint32_t wexp3[] = {
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2,3,4,5,6,7,11,12,14,15,19,20,25,26,27,28,32,33,38
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};
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static char ruler1[] =
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" 1 2 3 4 5 6 7 ";
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static char ruler2[] =
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"0123456789012345678901234567890123456789012345678901234567890123456789012";
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bool
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Check(const char* in, const uint32_t* out, uint32_t outlen, uint32_t i,
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uint32_t res[256])
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{
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bool ok = true;
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if (i != outlen) {
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ok = false;
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printf("WARNING!!! return size wrong, expect %d but got %d \n",
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outlen, i);
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}
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for (uint32_t j = 0; j < i; j++) {
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if (j < outlen) {
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if (res[j] != out[j]) {
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ok = false;
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printf("[%d] expect %d but got %d\n", j, out[j], res[j]);
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}
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} else {
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ok = false;
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printf("[%d] additional %d\n", j, res[j]);
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}
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}
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if (!ok) {
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printf("string = \n%s\n", in);
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printf("%s\n", ruler1);
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printf("%s\n", ruler2);
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printf("Expect = \n");
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for (uint32_t j = 0; j < outlen; j++) {
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printf("%d,", out[j]);
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}
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printf("\nResult = \n");
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for (uint32_t j = 0; j < i; j++) {
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printf("%d,", res[j]);
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}
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printf("\n");
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}
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return ok;
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}
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bool
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TestASCIILB(nsILineBreaker *lb,
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const char* in,
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const uint32_t* out, uint32_t outlen)
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{
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NS_ConvertASCIItoUTF16 eng1(in);
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uint32_t i;
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uint32_t res[256];
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int32_t curr;
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for (i = 0, curr = 0;
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curr != NS_LINEBREAKER_NEED_MORE_TEXT && i < 256;
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i++) {
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curr = lb->Next(eng1.get(), eng1.Length(), curr);
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res[i] = curr != NS_LINEBREAKER_NEED_MORE_TEXT ? curr : eng1.Length();
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}
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return Check(in, out, outlen, i, res);
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}
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bool
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TestASCIIWB(nsIWordBreaker *lb,
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const char* in,
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const uint32_t* out, uint32_t outlen)
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{
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NS_ConvertASCIItoUTF16 eng1(in);
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uint32_t i;
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uint32_t res[256];
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int32_t curr = 0;
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for (i = 0, curr = lb->NextWord(eng1.get(), eng1.Length(), curr);
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curr != NS_WORDBREAKER_NEED_MORE_TEXT && i < 256;
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curr = lb->NextWord(eng1.get(), eng1.Length(), curr), i++) {
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res [i] = curr != NS_WORDBREAKER_NEED_MORE_TEXT ? curr : eng1.Length();
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}
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return Check(in, out, outlen, i, res);
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}
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TEST(LineBreak, LineBreaker)
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{
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nsILineBreaker *t = nullptr;
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nsresult res = CallGetService(kLBrkCID, &t);
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ASSERT_TRUE(NS_SUCCEEDED(res) && t);
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NS_IF_RELEASE(t);
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res = CallGetService(kLBrkCID, &t);
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ASSERT_TRUE(NS_SUCCEEDED(res) && t);
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ASSERT_TRUE(TestASCIILB(t, teng1, lexp1, sizeof(lexp1) / sizeof(uint32_t)));
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ASSERT_TRUE(TestASCIILB(t, teng2, lexp2, sizeof(lexp2) / sizeof(uint32_t)));
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ASSERT_TRUE(TestASCIILB(t, teng3, lexp3, sizeof(lexp3) / sizeof(uint32_t)));
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NS_RELEASE(t);
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}
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TEST(LineBreak, WordBreaker)
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{
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nsIWordBreaker *t = nullptr;
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nsresult res = CallGetService(kWBrkCID, &t);
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ASSERT_TRUE(NS_SUCCEEDED(res) && t);
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NS_IF_RELEASE(t);
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res = CallGetService(kWBrkCID, &t);
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ASSERT_TRUE(NS_SUCCEEDED(res) && t);
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ASSERT_TRUE(TestASCIIWB(t, teng1, wexp1, sizeof(wexp1) / sizeof(uint32_t)));
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ASSERT_TRUE(TestASCIIWB(t, teng2, wexp2, sizeof(wexp2) / sizeof(uint32_t)));
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ASSERT_TRUE(TestASCIIWB(t, teng3, wexp3, sizeof(wexp3) / sizeof(uint32_t)));
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NS_RELEASE(t);
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}
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// 012345678901234
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static const char wb0[] = "T";
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static const char wb1[] = "h";
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static const char wb2[] = "is is a int";
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static const char wb3[] = "ernationali";
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static const char wb4[] = "zation work.";
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static const char* wb[] = { wb0, wb1, wb2, wb3, wb4 };
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void
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TestPrintWordWithBreak()
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{
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uint32_t numOfFragment = sizeof(wb) / sizeof(char*);
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nsIWordBreaker* wbk = nullptr;
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CallGetService(kWBrkCID, &wbk);
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nsAutoString result;
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for (uint32_t i = 0; i < numOfFragment; i++) {
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NS_ConvertASCIItoUTF16 fragText(wb[i]);
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int32_t cur = 0;
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cur = wbk->NextWord(fragText.get(), fragText.Length(), cur);
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uint32_t start = 0;
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for (uint32_t j = 0; cur != NS_WORDBREAKER_NEED_MORE_TEXT; j++) {
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result.Append(Substring(fragText, start, cur - start));
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result.Append('^');
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start = (cur >= 0 ? cur : cur - start);
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cur = wbk->NextWord(fragText.get(), fragText.Length(), cur);
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}
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result.Append(Substring(fragText, fragText.Length() - start));
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if (i != numOfFragment - 1) {
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NS_ConvertASCIItoUTF16 nextFragText(wb[i+1]);
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bool canBreak = true;
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canBreak = wbk->BreakInBetween(fragText.get(),
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fragText.Length(),
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nextFragText.get(),
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nextFragText.Length());
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if (canBreak) {
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result.Append('^');
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}
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fragText.Assign(nextFragText);
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}
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}
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ASSERT_STREQ("is^ ^is^ ^a^ ^ is a intzation^ ^work^ation work.",
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NS_ConvertUTF16toUTF8(result).get());
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NS_IF_RELEASE(wbk);
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}
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void
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TestFindWordBreakFromPosition(uint32_t fragN, uint32_t offset,
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const char* expected)
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{
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uint32_t numOfFragment = sizeof(wb) / sizeof(char*);
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nsIWordBreaker* wbk = nullptr;
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CallGetService(kWBrkCID, &wbk);
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NS_ConvertASCIItoUTF16 fragText(wb[fragN]);
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nsWordRange res = wbk->FindWord(fragText.get(), fragText.Length(), offset);
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bool canBreak;
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nsAutoString result(Substring(fragText, res.mBegin, res.mEnd-res.mBegin));
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if ((uint32_t)fragText.Length() == res.mEnd) {
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// if we hit the end of the fragment
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nsAutoString curFragText = fragText;
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for(uint32_t p = fragN +1; p < numOfFragment ;p++)
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{
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NS_ConvertASCIItoUTF16 nextFragText(wb[p]);
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canBreak = wbk->BreakInBetween(curFragText.get(),
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curFragText.Length(),
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nextFragText.get(),
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nextFragText.Length());
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if (canBreak) {
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break;
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}
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nsWordRange r = wbk->FindWord(nextFragText.get(), nextFragText.Length(),
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0);
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result.Append(Substring(nextFragText, r.mBegin, r.mEnd - r.mBegin));
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if ((uint32_t)nextFragText.Length() != r.mEnd) {
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break;
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}
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nextFragText.Assign(curFragText);
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}
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}
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if (0 == res.mBegin) {
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// if we hit the beginning of the fragment
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nsAutoString curFragText = fragText;
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for (uint32_t p = fragN; p > 0; p--) {
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NS_ConvertASCIItoUTF16 prevFragText(wb[p-1]);
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canBreak = wbk->BreakInBetween(prevFragText.get(),
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prevFragText.Length(),
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curFragText.get(),
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curFragText.Length());
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if (canBreak) {
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break;
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}
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nsWordRange r = wbk->FindWord(prevFragText.get(), prevFragText.Length(),
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prevFragText.Length());
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result.Insert(Substring(prevFragText, r.mBegin, r.mEnd - r.mBegin), 0);
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if (0 != r.mBegin) {
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break;
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}
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prevFragText.Assign(curFragText);
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}
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}
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ASSERT_STREQ(expected, NS_ConvertUTF16toUTF8(result).get())
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<< "FindWordBreakFromPosition(" << fragN << ", " << offset << ")";
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NS_IF_RELEASE(wbk);
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}
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TEST(LineBreak, WordBreakUsage)
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{
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TestPrintWordWithBreak();
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TestFindWordBreakFromPosition(0, 0, "This");
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TestFindWordBreakFromPosition(1, 0, "his");
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TestFindWordBreakFromPosition(2, 0, "is");
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TestFindWordBreakFromPosition(2, 1, "is");
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TestFindWordBreakFromPosition(2, 9, " ");
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TestFindWordBreakFromPosition(2, 10, "internationalization");
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TestFindWordBreakFromPosition(3, 4, "ernationalization");
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TestFindWordBreakFromPosition(3, 8, "ernationalization");
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TestFindWordBreakFromPosition(4, 6, " ");
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TestFindWordBreakFromPosition(4, 7, "work");
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}
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