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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/searchlib/attribute/enumcomparator.h>
#include <vespa/vespalib/btree/btreeroot.h>
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/searchlib/attribute/enumstore.hpp>
#include <vespa/log/log.h>
LOG_SETUP("enum_comparator_test");
using namespace vespalib::btree;
namespace search {
using NumericEnumStore = EnumStoreT<int32_t>;
using FloatEnumStore = EnumStoreT<float>;
using StringEnumStore = EnumStoreT<const char*>;
using EnumIndex = IEnumStore::Index;
using TreeType = BTreeRoot<EnumIndex, BTreeNoLeafData,
vespalib::btree::NoAggregated,
const vespalib::datastore::EntryComparatorWrapper>;
using NodeAllocator = TreeType::NodeAllocatorType;
class Test : public vespalib::TestApp {
private:
void requireThatNumericComparatorIsWorking();
void requireThatFloatComparatorIsWorking();
void requireThatStringComparatorIsWorking();
void requireThatComparatorWithTreeIsWorking();
void requireThatFoldedComparatorIsWorking();
public:
Test() {}
int Main() override;
};
void
Test::requireThatNumericComparatorIsWorking()
{
NumericEnumStore es(false);
EnumIndex e1 = es.insert(10);
EnumIndex e2 = es.insert(30);
auto cmp1 = es.make_comparator();
EXPECT_TRUE(cmp1(e1, e2));
EXPECT_TRUE(!cmp1(e2, e1));
EXPECT_TRUE(!cmp1(e1, e1));
auto cmp2 = es.make_comparator(20);
EXPECT_TRUE(cmp2(EnumIndex(), e2));
EXPECT_TRUE(!cmp2(e2, EnumIndex()));
}
void
Test::requireThatFloatComparatorIsWorking()
{
FloatEnumStore es(false);
EnumIndex e1 = es.insert(10.5);
EnumIndex e2 = es.insert(30.5);
EnumIndex e3 = es.insert(std::numeric_limits<float>::quiet_NaN());
auto cmp1 = es.make_comparator();
EXPECT_TRUE(cmp1(e1, e2));
EXPECT_TRUE(!cmp1(e2, e1));
EXPECT_TRUE(!cmp1(e1, e1));
EXPECT_TRUE(cmp1(e3, e1)); // nan
EXPECT_TRUE(!cmp1(e1, e3)); // nan
EXPECT_TRUE(!cmp1(e3, e3)); // nan
auto cmp2 = es.make_comparator(20.5);
EXPECT_TRUE(cmp2(EnumIndex(), e2));
EXPECT_TRUE(!cmp2(e2, EnumIndex()));
}
void
Test::requireThatStringComparatorIsWorking()
{
StringEnumStore es(false);
EnumIndex e1 = es.insert("Aa");
EnumIndex e2 = es.insert("aa");
EnumIndex e3 = es.insert("aB");
auto cmp1 = es.make_comparator();
EXPECT_TRUE(cmp1(e1, e2)); // similar folded, fallback to regular
EXPECT_TRUE(!cmp1(e2, e1));
EXPECT_TRUE(!cmp1(e1, e1));
EXPECT_TRUE(cmp1(e2, e3)); // folded compare
EXPECT_TRUE(strcmp("aa", "aB") > 0); // regular
auto cmp2 = es.make_comparator("AB");
EXPECT_TRUE(cmp2(EnumIndex(), e3));
EXPECT_TRUE(!cmp2(e3, EnumIndex()));
}
void
Test::requireThatComparatorWithTreeIsWorking()
{
NumericEnumStore es(false);
vespalib::GenerationHandler g;
TreeType t;
NodeAllocator m;
for (int32_t v = 100; v > 0; --v) {
auto cmp = es.make_comparator(v);
EXPECT_TRUE(!t.find(EnumIndex(), m, cmp).valid());
EnumIndex idx = es.insert(v);
t.insert(idx, BTreeNoLeafData(), m, cmp);
}
EXPECT_EQUAL(100u, t.size(m));
int32_t exp = 1;
for (TreeType::Iterator itr = t.begin(m); itr.valid(); ++itr) {
EXPECT_EQUAL(exp++, es.get_value(itr.getKey()));
}
EXPECT_EQUAL(101, exp);
t.clear(m);
m.freeze();
m.transferHoldLists(g.getCurrentGeneration());
g.incGeneration();
m.trimHoldLists(g.getFirstUsedGeneration());
}
void
Test::requireThatFoldedComparatorIsWorking()
{
StringEnumStore es(false);
EnumIndex e1 = es.insert("Aa");
EnumIndex e2 = es.insert("aa");
EnumIndex e3 = es.insert("aB");
EnumIndex e4 = es.insert("Folded");
auto cmp1 = es.make_folded_comparator();
EXPECT_TRUE(!cmp1(e1, e2)); // similar folded
EXPECT_TRUE(!cmp1(e2, e1)); // similar folded
EXPECT_TRUE(cmp1(e2, e3)); // folded compare
EXPECT_TRUE(!cmp1(e3, e2)); // folded compare
auto cmp2 = es.make_folded_comparator("fol", false);
auto cmp3 = es.make_folded_comparator("fol", true);
EXPECT_TRUE(cmp2(EnumIndex(), e4));
EXPECT_TRUE(!cmp2(e4, EnumIndex()));
EXPECT_TRUE(!cmp3(EnumIndex(), e4)); // similar when prefix
EXPECT_TRUE(!cmp3(e4, EnumIndex())); // similar when prefix
}
int
Test::Main()
{
TEST_INIT("comparator_test");
requireThatNumericComparatorIsWorking();
requireThatFloatComparatorIsWorking();
requireThatStringComparatorIsWorking();
requireThatComparatorWithTreeIsWorking();
requireThatFoldedComparatorIsWorking();
TEST_DONE();
}
}
TEST_APPHOOK(search::Test);
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