magnum/src/Magnum/Math/Test/BoolVectorTest.cpp

/*
    This file is part of Magnum.

    Copyright © 2010, 2011, 2012, 2013, 2014, 2015
              Vladimír Vondruš <mosra@centrum.cz>

    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.
*/

#include <sstream>
#include <Corrade/TestSuite/Tester.h>

#include "Magnum/Math/BoolVector.h"

namespace Magnum { namespace Math { namespace Test {

struct BoolVectorTest: Corrade::TestSuite::Tester {
    explicit BoolVectorTest();

    void construct();
    void constructDefault();
    void constructNoInit();
    void constructOneValue();
    void constructOneElement();
    void constructCopy();
    void data();

    void compare();
    void compareUndefined();
    void all();
    void none();
    void any();

    void bitInverse();
    void bitAndOrXor();

    void debug();
};

static_assert(BoolVector<15>::DataSize == 2, "Improper DataSize");
static_assert(BoolVector<16>::DataSize == 2, "Improper DataSize");
static_assert(BoolVector<17>::DataSize == 3, "Improper DataSize");

typedef Math::BoolVector<19> BoolVector19;

BoolVectorTest::BoolVectorTest() {
    addTests({&BoolVectorTest::construct,
              &BoolVectorTest::constructDefault,
              &BoolVectorTest::constructNoInit,
              &BoolVectorTest::constructOneValue,
              &BoolVectorTest::constructOneElement,
              &BoolVectorTest::constructCopy,
              &BoolVectorTest::data,

              &BoolVectorTest::compare,
              &BoolVectorTest::compareUndefined,
              &BoolVectorTest::all,
              &BoolVectorTest::none,
              &BoolVectorTest::any,

              &BoolVectorTest::bitInverse,
              &BoolVectorTest::bitAndOrXor,

              &BoolVectorTest::debug});
}

void BoolVectorTest::construct() {
    constexpr BoolVector19 a = {0xa5, 0x5f, 0x07};
    CORRADE_COMPARE(a, BoolVector19(0xa5, 0x5f, 0x07));
}

void BoolVectorTest::constructDefault() {
    constexpr BoolVector19 a;
    constexpr BoolVector19 b{ZeroInit};
    CORRADE_COMPARE(a, BoolVector19(0x00, 0x00, 0x00));
    CORRADE_COMPARE(b, BoolVector19(0x00, 0x00, 0x00));
}

void BoolVectorTest::constructNoInit() {
    BoolVector19 a{0xa5, 0x5f, 0x07};
    new(&a) BoolVector19{NoInit};
    CORRADE_COMPARE(a, BoolVector19(0xa5, 0x5f, 0x07));
}

void BoolVectorTest::constructOneValue() {
    #ifndef CORRADE_MSVC2015_COMPATIBILITY
    /* Can't use delegating constructors with constexpr -- https://connect.microsoft.com/VisualStudio/feedback/details/1579279/c-constexpr-does-not-work-with-delegating-constructors */
    constexpr
    #endif
    BoolVector19 a(false);
    CORRADE_COMPARE(a, BoolVector19(0x00, 0x00, 0x00));

    #ifndef CORRADE_MSVC2015_COMPATIBILITY
    /* Can't use delegating constructors with constexpr -- https://connect.microsoft.com/VisualStudio/feedback/details/1579279/c-constexpr-does-not-work-with-delegating-constructors */
    constexpr
    #endif
    BoolVector19 b(true);
    CORRADE_COMPARE(b, BoolVector19(0xff, 0xff, 0x07));

    CORRADE_VERIFY(!(std::is_convertible<bool, BoolVector19>::value));
}

void BoolVectorTest::constructOneElement() {
    typedef BoolVector<1> BoolVector1;

    constexpr BoolVector1 a = 0x01;
    CORRADE_COMPARE(a, BoolVector1(0x01));
}

void BoolVectorTest::constructCopy() {
    constexpr BoolVector19 a = {0xa5, 0x5f, 0x07};
    constexpr BoolVector19 b(a);
    CORRADE_COMPARE(b, BoolVector19(0xa5, 0x5f, 0x07));
}

void BoolVectorTest::data() {
    constexpr BoolVector19 a(0x08, 0x03, 0x04);

    CORRADE_VERIFY(!a[0] && !a[1] && !a[2]);
    CORRADE_VERIFY(a[3]);
    CORRADE_VERIFY(!a[4] && !a[5] && !a[6] && !a[7]);
    CORRADE_VERIFY(a[8]);
    CORRADE_VERIFY(a[9]);
    CORRADE_VERIFY(!a[10] && !a[11] && !a[12] && !a[13] && !a[14] && !a[15] && !a[16] && !a[17]);
    CORRADE_VERIFY(a[18]);

    constexpr bool b = a[9];
    CORRADE_COMPARE(b, true);

    #ifndef CORRADE_MSVC2015_COMPATIBILITY /* Apparently dereferencing pointer is verboten */
    constexpr
    #endif
    UnsignedByte c = *a.data();
    CORRADE_COMPARE(c, 0x08);

    BoolVector19 d(0x08, 0x03, 0x04);
    d.set(15, true);
    CORRADE_VERIFY(d[15]);
    CORRADE_COMPARE(d, BoolVector19(0x08, 0x83, 0x04));
}

void BoolVectorTest::compare() {
    BoolVector19 a(0xa5, 0x5f, 0x07);
    CORRADE_VERIFY(a == a);

    /* Change in full segments */
    BoolVector19 b(0xa3, 0x5f, 0x07);
    BoolVector19 c(0xa5, 0x98, 0x07);
    CORRADE_VERIFY(a != b);
    CORRADE_VERIFY(a != c);

    /* Change in last bit */
    BoolVector19 d(0xa5, 0x5f, 0x06);
    CORRADE_VERIFY(a != d);
}

void BoolVectorTest::compareUndefined() {
    BoolVector19 a(0xa5, 0x5f, 0x07);

    /* Change in unused part of last segment */
    BoolVector19 b(0xa5, 0x5f, 0x0f);
    CORRADE_VERIFY(a == b);

    /* Change in used part of last segment */
    BoolVector19 c(0xa5, 0x5f, 0x03);
    CORRADE_VERIFY(a != c);
}

void BoolVectorTest::all() {
    CORRADE_VERIFY(BoolVector19(0xff, 0xff, 0x07).all());

    /* Last segment - bit in used and unused part */
    CORRADE_VERIFY(BoolVector19(0xff, 0xff, 0x0f).all());
    CORRADE_VERIFY(!BoolVector19(0xff, 0xff, 0x04).all());
}

void BoolVectorTest::none() {
    CORRADE_VERIFY(BoolVector19(0x00, 0x00, 0x00).none());

    /* Last segment - bit in used and unused part */
    CORRADE_VERIFY(BoolVector19(0x00, 0x00, 0x08).none());
    CORRADE_VERIFY(!BoolVector19(0x00, 0x00, 0x04).none());
}

void BoolVectorTest::any() {
    CORRADE_VERIFY(BoolVector19(0x00, 0x01, 0x00).any());

    /* Last segment - bit in used and unused part */
    CORRADE_VERIFY(BoolVector19(0x00, 0x00, 0x04).any());
    CORRADE_VERIFY(!BoolVector19(0x00, 0x00, 0x08).any());
}

void BoolVectorTest::bitInverse() {
    CORRADE_COMPARE(~BoolVector19(0xa5, 0x5f, 0x03), BoolVector19(0x5a, 0xa0, 0x04));
}

void BoolVectorTest::bitAndOrXor() {
    BoolVector19 a(0xa5, 0x5f, 0x03);
    BoolVector19 b(0x37, 0xf3, 0x06);

    CORRADE_COMPARE(a & b, BoolVector19(0x25, 0x53, 0x02));
    CORRADE_COMPARE(a | b, BoolVector19(0xb7, 0xff, 0x07));
    CORRADE_COMPARE(a ^ b, BoolVector19(0x92, 0xac, 0x05));
}

void BoolVectorTest::debug() {
    std::ostringstream o;

    Debug(&o) << BoolVector19(0x25, 0x53, 0x02);

    CORRADE_COMPARE(o.str(), "BoolVector(10100100 11001010 010)\n");
}

}}}

CORRADE_TEST_MAIN(Magnum::Math::Test::BoolVectorTest)