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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.query.profile;
import org.junit.jupiter.api.Test;
import java.util.Map;
import java.util.Set;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author baldersheim
*/
public class ChainedMapTestCase {
@Test
void testIsEmpty() {
assertTrue(new ChainedMap<String, String>(Map.of(), Map.of()).isEmpty());
assertFalse(new ChainedMap<>(Map.of("k", "v"), Map.of()).isEmpty());
assertFalse(new ChainedMap<>(Map.of(), Map.of("k", "v")).isEmpty());
assertFalse(new ChainedMap<>(Map.of("k", "v"), Map.of("k", "v")).isEmpty());
}
@Test
void testSize() {
assertEquals(0, new ChainedMap<String, String>(Map.of(), Map.of()).size());
assertEquals(1, new ChainedMap<>(Map.of("k", "v"), Map.of()).size());
assertEquals(1, new ChainedMap<>(Map.of(), Map.of("k", "v")).size());
assertEquals(1, new ChainedMap<>(Map.of("k", "v"), Map.of("k", "v")).size());
assertEquals(2, new ChainedMap<>(Map.of("k", "v"), Map.of("K", "v")).size());
assertEquals(2, new ChainedMap<>(Map.of("k", "v"), Map.of("K", "v", "k", "v")).size());
}
@Test
void testGetUsesBoth() {
Map<String, String> a = Map.of("a", "a_1");
Map<String, String> b = Map.of("b", "b_1");
Map<String, String> ab = Map.of("a", "a_2", "b", "b_2");
Map<String, String> a_b = new ChainedMap<>(a, b);
assertEquals("a_1", a_b.get("a"));
assertEquals("b_1", a_b.get("b"));
Map<String, String> b_a = new ChainedMap<>(a, b);
assertEquals("a_1", b_a.get("a"));
assertEquals("b_1", b_a.get("b"));
Map<String, String> a_ab = new ChainedMap<>(a, ab);
assertEquals("a_1", a_ab.get("a"));
assertEquals("b_2", a_ab.get("b"));
Map<String, String> ab_a = new ChainedMap<>(ab, a);
assertEquals("a_2", ab_a.get("a"));
assertEquals("b_2", ab_a.get("b"));
}
@Test
void testKeySet() {
assertTrue(new ChainedMap<String, String>(Map.of(), Map.of()).keySet().isEmpty());
Map<String, String> a = Map.of("a", "a_1");
Map<String, String> b = Map.of("b", "b_1");
Map<String, String> ab = Map.of("a", "a_2", "b", "b_2");
assertEquals(Set.of("a"), new ChainedMap<>(a, Map.of()).keySet());
assertEquals(Set.of("a"), new ChainedMap<>(Map.of(), a).keySet());
assertEquals(Set.of("a", "b"), new ChainedMap<>(a, b).keySet());
assertEquals(Set.of("a", "b"), new ChainedMap<>(ab, b).keySet());
}
}
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