diff options
Diffstat (limited to 'test/bug-277.c')
-rw-r--r-- | test/bug-277.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/test/bug-277.c b/test/bug-277.c new file mode 100644 index 000000000..f4de539a4 --- /dev/null +++ b/test/bug-277.c @@ -0,0 +1,94 @@ +/* + * Copyright © 2022 Uli Schlachter + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Uli Schlachter <psychon@znc.in> + */ + +#include "cairo-test.h" +#include "cairo-script.h" + +struct write_data { + cairo_bool_t finished; + cairo_test_status_t test_status; +}; + +static cairo_surface_t* +create_recording_surface () +{ + /* Create a non-empty recording surface with arbitrary content */ + cairo_surface_t *surf = cairo_recording_surface_create (CAIRO_CONTENT_COLOR, NULL); + cairo_t *cr = cairo_create (surf); + + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, 10, 0); + cairo_stroke (cr); + + cairo_destroy (cr); + return surf; +} + +static cairo_status_t +write_func(void *closure, const unsigned char* bytes, unsigned int length) +{ + struct write_data *data = closure; + (void) bytes; (void) length; + + if (data->finished) + data->test_status = CAIRO_TEST_ERROR; + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + struct write_data write_data = { FALSE, CAIRO_TEST_SUCCESS }; + cairo_device_t *script_device = cairo_script_create_for_stream (write_func, &write_data); + cairo_surface_t *recording = create_recording_surface (); + cairo_surface_t *script; + cairo_t *cr; + + /* Draw the recording surface to a script surface */ + script = cairo_script_surface_create (script_device, CAIRO_CONTENT_COLOR, 5, 5); + cr = cairo_test_create (script, ctx); + cairo_set_source_surface (cr, recording, 0, 0); + cairo_paint (cr); + cairo_destroy (cr); + cairo_surface_destroy (script); + + /* Finish the script device; no further writing allowed afterwards */ + cairo_device_finish (script_device); + write_data.finished = TRUE; + cairo_device_destroy (script_device); + + cairo_surface_destroy (recording); + + return write_data.test_status; +} + +CAIRO_TEST (bug_277, + "Regression test: Script surface emitting test after finish()", + NULL, /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) |