/**
 * Copyright © 2011 Canonical, Ltd.
 *
 *  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 (including the next
 *  paragraph) 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.
 */

/**
 * Test rotation and rotation name helper functions.
 */

#include <string.h>
#include <assert.h>
#include <stdio.h>

#include "XrandrUtils.h"

/**
 * Lookup rotation names
 */
static void rotation_names(void)
{
    Rotation normal   = RR_Rotate_0;
    Rotation left     = RR_Rotate_90;
    Rotation inverted = RR_Rotate_180;
    Rotation right    = RR_Rotate_270;

    assert(0 == strcmp("normal",   XRURotationName( normal )));
    assert(0 == strcmp("left",     XRURotationName( left )));
    assert(0 == strcmp("inverted", XRURotationName( inverted )));
    assert(0 == strcmp("right",    XRURotationName( right )));

    assert(0 == strcmp("left",     XRURotationName( left | right )));
}

/**
 * Verify that out of range name lookups produce an appropriate value or error
 */
static void rotation_names_invalid(void)
{
    assert(0 == strcmp("normal", XRURotationName((Rotation) 0 )));
    assert(0 == strcmp("normal", XRURotationName((Rotation) 1 << 5 )));
}

/**
 * Lookup rotation indexes by their string name
 */
static void rotation_indexes_by_name(void)
{
    assert(0 == XRUGetRotationIndex("normal"));
    assert(1 == XRUGetRotationIndex("left"));
    assert(2 == XRUGetRotationIndex("inverted"));
    assert(3 == XRUGetRotationIndex("right"));
}

/**
 * Verify garbage name lookups produce an appropriate error
 */
static void rotation_indexes_by_invalid_name(void)
{
    assert(-1 == XRUGetRotationIndex(NULL));
    assert(-1 == XRUGetRotationIndex(""));
    assert(-1 == XRUGetRotationIndex(" "));
    assert(-1 == XRUGetRotationIndex("riight"));
    assert(-1 == XRUGetRotationIndex("invalid"));
    assert(-1 == XRUGetRotationIndex("NORMAL"));
    assert(-1 == XRUGetRotationIndex("uni©ode"));
}

/**
 * Check unterminated string behavior
 */
static void rotation_indexes_by_unterminated_name(void)
{
    char left_unterminated[5] = "left";
    left_unterminated[4] = ' ';

    assert(-1 == XRUGetRotationIndex(left_unterminated));
}

/**
 * Lookup rotations by index
 */
static void rotations_by_index(void)
{
    assert(RR_Rotate_0   == XRUGetRotation(0));
    assert(RR_Rotate_90  == XRUGetRotation(1));
    assert(RR_Rotate_180 == XRUGetRotation(2));
    assert(RR_Rotate_270 == XRUGetRotation(3));
}

/**
 * Verify out of range indexes produce appropriate errors
 */
static void rotations_by_invalid_index(void)
{
    assert(0 == XRUGetRotation(-1));
    assert(0 == XRUGetRotation( 4));
    assert(0 == XRUGetRotation(42));
    assert(0 == XRUGetRotation(-100));
}

int main(int argc, char** argv)
{
    rotation_names();
    rotation_names_invalid();

    rotation_indexes_by_name();
    rotation_indexes_by_invalid_name();
    rotation_indexes_by_unterminated_name();

    rotations_by_index();
    rotations_by_invalid_index();

    return 0;
}