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// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/eval/eval/tensor_spec.h>
#include <vespa/eval/tensor/cell_values.h>
#include <vespa/eval/tensor/default_tensor_engine.h>
#include <vespa/eval/tensor/sparse/sparse_tensor.h>
#include <vespa/eval/tensor/test/test_utils.h>
#include <vespa/vespalib/gtest/gtest.h>
using vespalib::eval::Value;
using vespalib::eval::TensorSpec;
using vespalib::tensor::test::makeTensor;
using namespace vespalib::tensor;
void
assertRemove(const TensorSpec &source, const TensorSpec &arg, const TensorSpec &expected)
{
auto sourceTensor = makeTensor<Tensor>(source);
auto argTensor = makeTensor<SparseTensor>(arg);
auto resultTensor = sourceTensor->remove(CellValues(*argTensor));
auto actual = resultTensor->toSpec();
EXPECT_EQ(actual, expected);
}
TEST(TensorRemoveTest, cells_can_be_removed_from_a_sparse_tensor)
{
assertRemove(TensorSpec("tensor(x{},y{})")
.add({{"x","a"},{"y","b"}}, 2)
.add({{"x","c"},{"y","d"}}, 3),
TensorSpec("tensor(x{},y{})")
.add({{"x","c"},{"y","d"}}, 1)
.add({{"x","e"},{"y","f"}}, 1),
TensorSpec("tensor(x{},y{})")
.add({{"x","a"},{"y","b"}}, 2));
}
TEST(TensorRemoveTest, all_cells_can_be_removed_from_a_sparse_tensor)
{
assertRemove(TensorSpec("tensor(x{},y{})")
.add({{"x","a"},{"y","b"}}, 2),
TensorSpec("tensor(x{},y{})")
.add({{"x","a"},{"y","b"}}, 1),
TensorSpec("tensor(x{},y{})"));
}
GTEST_MAIN_RUN_ALL_TESTS
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