AuroraMiddleware/scuffed-code
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ICU-2397 test UCharIterator getState() and setState()

Browse Source 
X-SVN-Rev: 10866
This commit is contained in:
Markus Scherer 2003-01-18 00:35:36 +00:00
parent 50a1da1f2b
commit 5c513c5ff3
1 changed files with 104 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

106
icu4c/source/test/cintltst/custrtst.c
View File

@ -1356,6 +1356,92 @@ compareIterators(UCharIterator *iter1, const char *n1,
}
}
/*
* Test the iterator's getState() and setState() functions.
* iter1 and iter2 must be set up for the same iterator type and the same string
* but may be physically different structs (different addresses).
*
* Assume that the text is not empty and that
* iteration start==0 and iteration limit==length.
* It must be 2<=middle<=length-2.
*/
static void
testIteratorState(UCharIterator *iter1, UCharIterator *iter2, const char *n, int32_t middle) {
UChar32 u[4];
UErrorCode errorCode;
UChar32 c;
uint32_t state;
int32_t i, j;
/* get four UChars from the middle of the string */
iter1->move(iter1, middle-2, UITER_ZERO);
for(i=0; i<4; ++i) {
c=iter1->next(iter1);
if(c<0) {
/* the test violates the assumptions, see comment above */
log_err("test error: %s[%d]=%d\n", n, middle-2+i, c);
return;
}
u[i]=c;
}
/* move to the middle and get the state */
iter1->move(iter1, -2, UITER_CURRENT);
state=uiter_getState(iter1);
/* set the state into the second iterator and compare the results */
errorCode=U_ZERO_ERROR;
uiter_setState(iter2, state, &errorCode);
if(U_FAILURE(errorCode)) {
log_err("%s->setState(0x%x) failed: %s\n", n, state, u_errorName(errorCode));
return;
}
c=iter2->current(iter2);
if(c!=u[2]) {
log_err("%s->current(at %d)=U+%04x!=U+%04x\n", n, middle, c, u[2]);
}
c=iter2->previous(iter2);
if(c!=u[1]) {
log_err("%s->previous(at %d)=U+%04x!=U+%04x\n", n, middle-1, c, u[1]);
}
iter2->move(iter2, 2, UITER_CURRENT);
c=iter2->next(iter2);
if(c!=u[3]) {
log_err("%s->next(at %d)=U+%04x!=U+%04x\n", n, middle+1, c, u[3]);
}
iter2->move(iter2, -3, UITER_CURRENT);
c=iter2->previous(iter2);
if(c!=u[0]) {
log_err("%s->previous(at %d)=U+%04x!=U+%04x\n", n, middle-2, c, u[0]);
}
/* move the second iterator back to the middle */
iter2->move(iter2, 1, UITER_CURRENT);
iter2->next(iter2);
/* check that both are in the middle */
i=iter1->getIndex(iter1, UITER_CURRENT);
j=iter2->getIndex(iter2, UITER_CURRENT);
if(i!=middle) {
log_err("%s->getIndex(current)=%d!=%d as expected\n", n, i, middle);
}
if(i!=j) {
log_err("%s->getIndex(current)=%d!=%d after setState()\n", n, j, i);
}
/* compare lengths */
i=iter1->getIndex(iter1, UITER_LENGTH);
j=iter2->getIndex(iter2, UITER_LENGTH);
if(i!=j) {
log_err("%s->getIndex(length)=%d!=%d before/after setState()\n", n, i, j);
}
}
static void
TestUCharIterator() {
static const UChar text[]={
@ -1377,7 +1463,14 @@ TestUCharIterator() {
log_err("NOOP UCharIterator behaves unexpectedly\n");
}
/* compare the same string between UTF-16 and UTF-8 UCharIterators */
/* test get/set state */
length=LENGTHOF(text)-1;
uiter_setString(&iter1, text, -1);
uiter_setString(&iter2, text, length);
testIteratorState(&iter1, &iter2, "UTF16IteratorState", length/2);
testIteratorState(&iter1, &iter2, "UTF16IteratorStatePlus1", length/2+1);
/* compare the same string between UTF-16 and UTF-8 UCharIterators ------ */
errorCode=U_ZERO_ERROR;
u_strToUTF8(bytes, sizeof(bytes), &length, text, -1, &errorCode);
if(U_FAILURE(errorCode)) {
@ -1393,7 +1486,13 @@ TestUCharIterator() {
uiter_setUTF8(&iter2, bytes, -1);
compareIterators(&iter1, "UTF16Iterator", &iter2, "UTF8Iterator_1");
/* compare the same string between UTF-16 and UTF-16BE UCharIterators */
/* test get/set state */
length=LENGTHOF(text)-1;
uiter_setUTF8(&iter1, bytes, -1);
testIteratorState(&iter1, &iter2, "UTF8IteratorState", length/2);
testIteratorState(&iter1, &iter2, "UTF8IteratorStatePlus1", length/2+1);
/* compare the same string between UTF-16 and UTF-16BE UCharIterators --- */
errorCode=U_ZERO_ERROR;
cnv=ucnv_open("UTF-16BE", &errorCode);
length=ucnv_fromUChars(cnv, bytes, sizeof(bytes), text, -1, &errorCode);
@ -1406,6 +1505,7 @@ TestUCharIterator() {
/* terminate with a _pair_ of 0 bytes - a UChar NUL in UTF-16BE (length is known to be ok) */
bytes[length]=bytes[length+1]=0;
uiter_setString(&iter1, text, -1);
uiter_setUTF16BE(&iter2, bytes, length);
compareIterators(&iter1, "UTF16Iterator", &iter2, "UTF16BEIterator");
@ -1417,4 +1517,6 @@ TestUCharIterator() {
memmove(bytes+1, bytes, length+2);
uiter_setUTF16BE(&iter2, bytes+1, -1);
compareIterators(&iter1, "UTF16Iterator", &iter2, "UTF16BEIteratorMoved1");
/* ### TODO test other iterators: CharacterIterator, Replaceable */
}