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#include "tensorflow/core/graph/edgeset.h"
#include "tensorflow/core/graph/graph.h"
#include <gtest/gtest.h>
namespace tensorflow {
class EdgeSetTest : public ::testing::Test {
public:
EdgeSetTest() : edges_(nullptr), eset_(nullptr) {}
~EdgeSetTest() override {
delete eset_;
delete[] edges_;
}
void MakeEdgeSet(int n) {
delete eset_;
delete[] edges_;
edges_ = new Edge[n];
eset_ = new EdgeSet;
model_.clear();
for (int i = 0; i < n; i++) {
eset_->insert(&edges_[i]);
model_.insert(&edges_[i]);
}
}
void CheckSame() {
EXPECT_EQ(model_.size(), eset_->size());
EXPECT_EQ(model_.empty(), eset_->empty());
std::vector<const Edge*> modelv(model_.begin(), model_.end());
std::vector<const Edge*> esetv(eset_->begin(), eset_->end());
std::sort(modelv.begin(), modelv.end());
std::sort(esetv.begin(), esetv.end());
EXPECT_EQ(modelv.size(), esetv.size());
for (size_t i = 0; i < modelv.size(); i++) {
EXPECT_EQ(modelv[i], esetv[i]) << i;
}
}
Edge nonexistent_;
Edge* edges_;
EdgeSet* eset_;
std::set<const Edge*> model_;
};
namespace {
TEST_F(EdgeSetTest, Ops) {
for (int n : {0, 1, 2, 3, 4, 10}) {
MakeEdgeSet(n);
CheckSame();
EXPECT_EQ((n == 0), eset_->empty());
EXPECT_EQ(n, eset_->size());
eset_->clear();
model_.clear();
CheckSame();
eset_->insert(&edges_[0]);
model_.insert(&edges_[0]);
CheckSame();
}
}
// Try insert/erase of existing elements at different positions.
TEST_F(EdgeSetTest, Exists) {
for (int n : {0, 1, 2, 3, 4, 10}) {
MakeEdgeSet(n);
for (int pos = 0; pos < n; pos++) {
MakeEdgeSet(n);
auto p = eset_->insert(&edges_[pos]);
EXPECT_FALSE(p.second);
EXPECT_EQ(&edges_[pos], *p.first);
EXPECT_EQ(1, eset_->erase(&edges_[pos]));
model_.erase(&edges_[pos]);
CheckSame();
}
}
}
// Try insert/erase of non-existent element.
TEST_F(EdgeSetTest, DoesNotExist) {
for (int n : {0, 1, 2, 3, 4, 10}) {
MakeEdgeSet(n);
EXPECT_EQ(0, eset_->erase(&nonexistent_));
auto p = eset_->insert(&nonexistent_);
EXPECT_TRUE(p.second);
EXPECT_EQ(&nonexistent_, *p.first);
}
}
} // namespace
} // namespace tensorflow
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