TEST_F(OrientationIteratorTest, Empty)
{
String empty(emptyString16Bit());
OrientationIterator orientationIterator(empty.characters16(), empty.length(), FontOrientation::VerticalMixed);
unsigned limit = 0;
OrientationIterator::RenderOrientation orientation = OrientationIterator::OrientationInvalid;
ASSERT(!orientationIterator.consume(&limit, &orientation));
ASSERT_EQ(limit, 0u);
ASSERT_EQ(orientation, OrientationIterator::OrientationInvalid);
}
void CheckRuns(const Vector<TestRun>& runs)
{
String text(emptyString16Bit());
Vector<ExpectedRun> expect;
for (auto& run : runs) {
text.append(String::fromUTF8(run.text.c_str()));
expect.append(ExpectedRun(text.length(), run.code));
}
OrientationIterator orientationIterator(text.characters16(), text.length(), FontOrientation::VerticalMixed);
VerifyRuns(&orientationIterator, expect);
}
String String::make16BitFrom8BitSource(const LChar* source, size_t length)
{
if (!length)
return emptyString16Bit();
UChar* destination;
String result = String::createUninitialized(length, destination);
StringImpl::copyChars(destination, source, length);
return result;
}
