qt5base-lts/config.tests/unix/harfbuzz/harfbuzz.cpp

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#include <harfbuzz/hb.h>

#if !HB_VERSION_ATLEAST(0, 9, 31)
#  error "This version of harfbuzz is too old."
#endif

int main(int, char **)
{
    hb_buffer_t *buffer = hb_buffer_create();

    const uint16_t string[] = { 'A', 'b', 'c' };
    hb_buffer_add_utf16(buffer, string, 3, 0, 3);
    hb_buffer_guess_segment_properties(buffer);
    hb_buffer_set_flags(buffer, hb_buffer_flags_t(HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES));

    hb_buffer_destroy(buffer);

    return 0;
}