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/*
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 * Copyright © 2006 Red Hat, Inc.
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 *
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 * Permission to use, copy, modify, distribute, and sell this software
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 * and its documentation for any purpose is hereby granted without
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 * fee, provided that the above copyright notice appear in all copies
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 * and that both that copyright notice and this permission notice
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 * appear in supporting documentation, and that the name of the
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 * copyright holders not be used in advertising or publicity
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 * pertaining to distribution of the software without specific,
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 * written prior permission. The copyright holders make no
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 * representations about the suitability of this software for any
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 * purpose.  It is provided "as is" without express or implied
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 * warranty.
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 *
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 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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 * SOFTWARE.
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 *
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 * Author: Carl D. Worth <cworth@cworth.org>
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 */
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/* Test case for bug #8379:

            

        

            

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 *

            

        

            

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 *	infinite loop when stroking

            

        

            

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 *	https://bugs.freedesktop.org/show_bug.cgi?id=8379

            

        

            

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 */

            

        

            

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#include "cairo-test.h"

            

        

            

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static cairo_test_status_t

            

        

            

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draw (cairo_t *cr, int width, int height)

            

        

            

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{

            

        

            

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    /* Paint white, then draw in black. */

            

        

            

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    cairo_set_source_rgb (cr, 1, 1, 1); /* white */

            

        

            

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    cairo_paint (cr);

            

        

            

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    cairo_set_source_rgb (cr, 0, 0, 0); /* black */

            

        

            

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    cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);

            

        

            

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    /* scaling 2 times causes a slight rounding error in the ctm.

            

        

            

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     * Without that, the bug doesn't happen. */

            

        

            

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    cairo_scale (cr, 20 / 100., 20 / 100.);

            

        

            

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    cairo_scale (cr, 1. / 20, 1. / 20);

            

        

            

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    cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);

            

        

            

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    cairo_set_line_width (cr, 20);

            

        

            

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    cairo_translate (cr, -18300, -13200);

            

        

            

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    cairo_new_path (cr);

            

        

            

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    cairo_move_to (cr, 18928, 13843);

            

        

            

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    cairo_line_to (cr, 18500, 13843);

            

        

            

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    cairo_line_to (cr, 18500, 13400);

            

        

            

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    cairo_line_to (cr, 18928, 13400);

            

        

            

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    cairo_line_to (cr, 18928, 13843);

            

        

            

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    cairo_stroke (cr);

            

        

            

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    return CAIRO_TEST_SUCCESS;

            

        

            

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}

            

        

            

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CAIRO_TEST (infinite_join,

            

        

            

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	    "Test case for infinite loop when stroking with round joins",

            

        

            

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	    "stroke", /* keywords */

            

        

            

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	    NULL,

            

        

            

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	    8, 8,

            

        

            

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	    NULL, draw)