Function exec2

test/unit/WhereTest.cpp:92–139

}

void exec2(const std::string& where, size_t expKeep, size_t expViews,
    Stage::WhereMergeMode mm = Stage::WhereMergeMode::Auto)
{
    StageFactory factory;

    Stage *r = factory.createStage("readers.faux");
    Options ro;
    ro.add("count", 100);
    ro.add("bounds", BOX3D(0, 0, 100, 99, 9.9, 199));
    ro.add("mode", "ramp");
    r->setOptions(ro);

    class TestFilter : public Filter
    {
    public:
        TestFilter()
        {
            g_count = 0;
        }

    private:
        std::string getName() const
        { return "filters.test"; }

        void filter(PointView& v)
        {
            g_count = v.size();
            v.setField(Dimension::Id::X, v.size(), 1);
        }
    };

    TestFilter f;
    Options fo;
    fo.add("where", where);
    fo.add("where_merge", mm);
    f.setOptions(fo);
    f.setInput(*r);

    PointTable t;
    f.prepare(t);
    PointViewSet s = f.execute(t);
    EXPECT_EQ(s.size(), expViews);
    size_t total = 0;
    for (auto vp : s)
        total += vp->size();
    EXPECT_EQ(total, 101u);
    EXPECT_EQ(g_count, expKeep);
}

void exec3(const std::string& where, size_t expKeep, size_t expViews,
    Stage::WhereMergeMode mm = Stage::WhereMergeMode::Auto)