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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.document.update;
import com.yahoo.document.datatypes.TensorFieldValue;
import com.yahoo.tensor.Tensor;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class TensorAddUpdateTest {
@Test
public void apply_add_update_operations() {
assertApplyTo("{{x:0,y:0}:1, {x:0,y:1}:2}", "{{x:0,y:2}:3}", "{{x:0,y:0}:1,{x:0,y:1}:2,{x:0,y:2}:3}");
}
private void assertApplyTo(String init, String update, String expected) {
String spec = "tensor(x{},y{})";
TensorFieldValue initialFieldValue = new TensorFieldValue(Tensor.from(spec, init));
TensorAddUpdate addUpdate = new TensorAddUpdate(new TensorFieldValue(Tensor.from(spec, update)));
Tensor updated = ((TensorFieldValue) addUpdate.applyTo(initialFieldValue)).getTensor().get();
assertEquals(Tensor.from(spec, expected), updated);
}
}
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