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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/vespalib/metrics/simple_metrics.h>
#include <vespa/vespalib/metrics/simple_metrics_manager.h>
#include <vespa/vespalib/metrics/stable_store.h>
#include <vespa/vespalib/metrics/json_formatter.h>
#include <stdio.h>
#include <unistd.h>
using namespace vespalib;
using namespace vespalib::metrics;
struct Foo {
int a;
char *p;
explicit Foo(int v) : a(v), p(nullptr) {}
bool operator==(const Foo &other) const {
return a == other.a;
}
};
TEST("require that stable_store works")
{
vespalib::StableStore<Foo> bunch;
bunch.add(Foo(1));
bunch.add(Foo(2));
bunch.add(Foo(3));
bunch.add(Foo(5));
bunch.add(Foo(8));
bunch.add(Foo(13));
bunch.add(Foo(21));
bunch.add(Foo(34));
bunch.add(Foo(55));
bunch.add(Foo(89));
EXPECT_EQUAL(bunch.size(), 10u);
int sum = 0;
bunch.for_each([&sum](const Foo& value) { sum += value.a; });
EXPECT_EQUAL(231, sum);
std::vector<const Foo *> pointers;
bunch.for_each([&pointers](const Foo& value)
{ pointers.push_back(&value); });
EXPECT_EQUAL(1, pointers[0]->a);
EXPECT_EQUAL(2, pointers[1]->a);
EXPECT_EQUAL(55, pointers[8]->a);
EXPECT_EQUAL(89, pointers[9]->a);
for (int i = 0; i < 20000; ++i) {
bunch.add(Foo(i));
}
bunch.for_each([&sum](const Foo& value) { sum -= value.a; });
EXPECT_EQUAL(-199990000, sum);
std::vector<const Foo *> after;
bunch.for_each([&after](const Foo& value)
{ if (after.size() < 10) after.push_back(&value); });
EXPECT_EQUAL(pointers[0], after[0]);
EXPECT_EQUAL(pointers[9], after[9]);
}
TEST_MAIN() { TEST_RUN_ALL(); }
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