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ICU-1129

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added test for surrogates.

X-SVN-Rev: 6713
This commit is contained in:
Syn Wee Quek 2001-11-09 20:31:14 +00:00
parent 2fa650f72f
commit 60b483e4b5
1 changed files with 24 additions and 0 deletions
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24
icu4c/source/test/cintltst/utf16tst.c
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@ -31,6 +31,7 @@ static void TestNextPrevChar(void);
static void TestFwdBack(void);
static void TestSetChar(void);
static void TestAppendChar(void);
static void TestSurrogate(void);
void addUTF16Test(TestNode** root);
@ -44,6 +45,7 @@ addUTF16Test(TestNode** root)
addTest(root, &TestFwdBack, "utf16tst/TestFwdBack" );
addTest(root, &TestSetChar, "utf16tst/TestSetChar" );
addTest(root, &TestAppendChar, "utf16tst/TestAppendChar" );
addTest(root, &TestSurrogate, "utf16tst/TestSurrogate" );
}
static void TestCodeUnitValues()
@ -485,6 +487,28 @@ static void TestAppendChar(){
}
static void TestSurrogate(){
static UChar32 s[] = {0x10000, 0x10ffff, 0x50000, 0x100000, 0x1abcd};
int i = 0;
while (i < 5) {
UChar first = UTF_FIRST_SURROGATE(s[i]);
UChar second = UTF_SECOND_SURROGATE(s[i]);
/* algorithm from the Unicode consortium */
UChar firstresult = (UChar)(((s[i] - 0x10000) / 0x400) + 0xD800);
UChar secondresult = (UChar)(((s[i] - 0x10000) % 0x400) + 0xDC00);
if (first != UTF16_LEAD(s[i]) || first != firstresult) {
log_err("Failure in first surrogate in 0x%x expected to be 0x%x\n",
s[i], firstresult);
}
if (second != UTF16_TRAIL(s[i]) || second != secondresult) {
log_err("Failure in second surrogate in 0x%x expected to be 0x%x\n",
s[i], secondresult);
}
i ++;
}
}
static void printUChars(const UChar *uchars){
int16_t i=0;
for(i=0; i<u_strlen(uchars); i++){