/* Cairo crashed when render some glyphs with specified fonts to PDF backend.
 *
 * a.out: cairo-array.c:182:
 *    _cairo_array_index: Assertion `index < array->num_elements' failed.
 * Aborted (core dumped)
 */

#include <cairo.h>
#include <cairo-pdf.h>

int main()
{
	cairo_surface_t *surface;
	cairo_t *cr;

	// select the pdf backend.
	surface = cairo_pdf_surface_create("out.pdf", 1, 1);
	cr = cairo_create(surface);

	// use the adobe-source-han-sans-cn-fonts.
	cairo_select_font_face(cr, "Source Han Sans CN",
			CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);

	// core dumped.
	cairo_show_text(cr, "试");

	// passed.
	// cairo_show_text(cr, "测");

	cairo_destroy(cr);
	cairo_surface_destroy(surface);
	return 0;
}