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#include "tensorflow/core/public/tensor_shape.h"
#include <gtest/gtest.h>
namespace tensorflow {
namespace {
TEST(TensorShapeTest, Default) {
// The default TensorShape constructor constructs a shape of 0-dim
// and 1-element.
TensorShape s;
EXPECT_EQ(s.dims(), 0);
EXPECT_EQ(s.num_elements(), 1);
}
TEST(TensorShapeTest, set_dim) {
TensorShape s({10, 5});
s.set_dim(0, 20);
ASSERT_EQ(2, s.dims());
EXPECT_EQ(20, s.dim_size(0));
EXPECT_EQ(100, s.num_elements());
s.set_dim(1, 2);
ASSERT_EQ(2, s.dims());
EXPECT_EQ(2, s.dim_size(1));
EXPECT_EQ(40, s.num_elements());
}
TEST(TensorShapeTest, RemoveDim) {
TensorShape s({10, 5});
s.RemoveDim(0);
EXPECT_EQ(5, s.num_elements());
ASSERT_EQ(1, s.dims());
}
TEST(TensorShapeTest, RemoveAndAddDim) {
TensorShape s({10, 5, 20});
s.RemoveDim(1);
s.AddDim(100);
EXPECT_EQ(20000, s.num_elements());
ASSERT_EQ(3, s.dims());
}
TEST(TensorShapeTest, InvalidShapeProto) {
TensorShapeProto proto;
EXPECT_TRUE(TensorShape::IsValid(proto));
proto.add_dim()->set_size(357);
proto.add_dim()->set_size(982);
EXPECT_TRUE(TensorShape::IsValid(proto));
proto.Clear();
proto.add_dim()->set_size(-357);
proto.add_dim()->set_size(-982);
EXPECT_FALSE(TensorShape::IsValid(proto));
proto.Clear();
proto.add_dim()->set_size(1LL << 20);
proto.add_dim()->set_size((1LL << 20) + 1);
EXPECT_FALSE(TensorShape::IsValid(proto));
}
TEST(TensorShapeTest, SetDimForEmptyTensor) {
TensorShape s({10, 5, 20});
EXPECT_EQ(1000, s.num_elements());
s.set_dim(1, 0);
EXPECT_EQ(0, s.num_elements());
s.set_dim(1, 7);
EXPECT_EQ(1400, s.num_elements());
}
} // namespace
} // namespace tensorflow
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