Grcov report - group-state.c

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/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */

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/*

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 * Copyright 2011 Andrea Canciani

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 * Permission is hereby granted, free of charge, to any person

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 * obtaining a copy of this software and associated documentation

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 * files (the "Software"), to deal in the Software without

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 * restriction, including without limitation the rights to use, copy,

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 * modify, merge, publish, distribute, sublicense, and/or sell copies

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 * of the Software, and to permit persons to whom the Software is

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 * furnished to do so, subject to the following conditions:

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 * The above copyright notice and this permission notice shall be

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 * included in all copies or substantial portions of the Software.

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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

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 * SOFTWARE.

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 * Author: Andrea Canciani <ranma42@gmail.com>

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*/

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#include "cairo-test.h"

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#define CHECK_STATUS(status)						\

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    do {								\

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	if (cairo_status (cr) != (status)) {				\

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	    cairo_test_log (ctx, "Expected status: %s\n",		\

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			    cairo_status_to_string (status));		\

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	    cairo_test_log (ctx, "Actual status: %s\n",			\

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			    cairo_status_to_string (cairo_status (cr))); \

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	    result = CAIRO_TEST_FAILURE;				\

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	}								\

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    } while (0)

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static void

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reinit_cairo (cairo_t **cr)

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    if (*cr)

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1

	cairo_destroy (*cr);

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    *cr = cairo_create (cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1));

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    cairo_surface_destroy (cairo_get_target (*cr));

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2

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static cairo_test_status_t

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preamble (cairo_test_context_t *ctx)

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    cairo_t *cr;

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    cairo_test_status_t result = CAIRO_TEST_SUCCESS;

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    cr = NULL;

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    reinit_cairo (&cr);

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    /* cairo_restore() must fail with CAIRO_STATUS_INVALID_RESTORE if

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     * no matching cairo_save() call has been performed. */

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    cairo_test_log (ctx, "Checking save(); push(); restore();\n");

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1

    cairo_save (cr);

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    CHECK_STATUS (CAIRO_STATUS_SUCCESS);

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    cairo_push_group (cr);

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    CHECK_STATUS (CAIRO_STATUS_SUCCESS);

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    cairo_restore (cr);

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    CHECK_STATUS (CAIRO_STATUS_INVALID_RESTORE);

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    reinit_cairo (&cr);

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    /* cairo_restore() must fail with CAIRO_STATUS_INVALID_RESTORE if

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     * no matching cairo_save() call has been performed. */

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    cairo_test_log (ctx, "Checking push(); save(); pop();\n");

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    cairo_push_group (cr);

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    CHECK_STATUS (CAIRO_STATUS_SUCCESS);

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    cairo_save (cr);

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    CHECK_STATUS (CAIRO_STATUS_SUCCESS);

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    cairo_pop_group_to_source (cr);

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    CHECK_STATUS (CAIRO_STATUS_INVALID_POP_GROUP);

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    cairo_destroy (cr);

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    return result;

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CAIRO_TEST (group_state,

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	    "Tests the interaction between state (cairo_save, cairo_restore) "

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	    "and group (cairo_push_group/cairo_pop_group) API",

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	    "api", /* keywords */

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	    NULL, /* requirements */

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	    0, 0,

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	    preamble, NULL)