TEST(APC, SampleEntries) {
auto store = new_store();
// Empty store gives an empty sample.
auto entries = store->sampleEntriesInfo(10);
EXPECT_EQ(entries.size(), 0);
// Single-element store results in repetition.
store->set(s_foo, s_value1, 1500);
for (uint32_t count = 0; count <= 10; ++count) {
entries = store->sampleEntriesInfo(count);
EXPECT_EQ(entries.size(), count);
for (const auto& entry : entries) {
EXPECT_STREQ(entry.key.c_str(), "foo");
}
}
// More entries.
store->set(s_key, s_value1, 1500);
store->set(s_key2, s_value2, 1500);
for (uint32_t count = 0; count <= 10; ++count) {
entries = store->sampleEntriesInfo(count);
EXPECT_EQ(entries.size(), count);
for (const auto& entry : entries) {
EXPECT_TRUE(entry.key == std::string("foo") ||
entry.key == std::string("key") ||
entry.key == std::string("key2"));
}
}
}
void ConcurrentTableSharedStore::dumpRandomKeys(std::ostream& out,
uint32_t count) {
dumpEntriesInfo(sampleEntriesInfo(count), out);
}