BitSetIterator_unittest.cpp

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Author : Jamie Madill
Date : 2015-08-03 14:15:08
Hash : 6b2a0b0c
Message : Reland of "Add Iterable bitset class." This helper allows us to quickly iterate state bits from the Impl/Renderer layers. Re-land with no C++11 usage. BUG=angleproject:1040 TEST=angle_unittests (Mac/Win/Linux) Change-Id: I3b6d5beb2bcff7fa3d45c9220d7c026c64c45d2e Reviewed-on: https://chromium-review.googlesource.com/290153 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>

src/common/BitSetIterator_unittest.cpp

//
// Copyright 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// BitSetIteratorTest:
//   Test the IterableBitSet class.
//

#include <gtest/gtest.h>

#include "common/BitSetIterator.h"

using namespace angle;

namespace
{
class BitSetIteratorTest : public testing::Test
{
  protected:
    std::bitset<40> mStateBits;
};

TEST_F(BitSetIteratorTest, Iterator)
{
    std::set<unsigned long> originalValues;
    originalValues.insert(2);
    originalValues.insert(6);
    originalValues.insert(8);
    originalValues.insert(35);

    for (unsigned long value : originalValues)
    {
        mStateBits.set(value);
    }

    std::set<unsigned long> readValues;
    for (unsigned long bit : IterateBitSet(mStateBits))
    {
        EXPECT_EQ(1u, originalValues.count(bit));
        EXPECT_EQ(0u, readValues.count(bit));
        readValues.insert(bit);
    }

    EXPECT_EQ(originalValues.size(), readValues.size());
}

}  // anonymous namespace

kc3-lang/angle/src/common/BitSetIterator_unittest.cpp

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kc3-lang/angle /src/common/BitSetIterator_unittest.cpp