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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config;
import org.junit.Test;
import java.util.Arrays;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
/**
* @author lulf
* @since 5.1
*/
public class NodeVectorTest {
@Test
public void require_vector_is_resized() {
TestNodeVector v = new TestNodeVector("foo");
v.setSize(2);
assertThat(v.size(), is(2));
v.setSize(1);
assertThat(v.size(), is(1));
}
@Test(expected = NodeVector.ReadOnlyException.class)
public void require_that_add_throws_exception() { new TestNodeVector("foo").add("bar"); }
@Test(expected = NodeVector.ReadOnlyException.class)
public void require_that_addindex_throws_exception() { new TestNodeVector("foo").add(0, "bar"); }
@Test(expected = NodeVector.ReadOnlyException.class)
public void require_that_addAll_throws_exception() { new TestNodeVector("foo").addAll(Arrays.asList("bar")); }
@Test(expected = NodeVector.ReadOnlyException.class)
public void require_that_addAllindex_throws_exception() { new TestNodeVector("foo").addAll(0, Arrays.asList("bar")); }
@Test(expected = NodeVector.ReadOnlyException.class)
public void require_that_clear_throws_exception() { new TestNodeVector("foo").clear(); }
@Test(expected = NodeVector.ReadOnlyException.class)
public void require_that_remove_index_throws_exception() { new TestNodeVector("foo").remove(0); }
@Test(expected = NodeVector.ReadOnlyException.class)
public void require_that_remove_object_throws_exception() { new TestNodeVector("foo").remove(null); }
@Test(expected = NodeVector.ReadOnlyException.class)
public void require_that_removeAll_throws_exception() { new TestNodeVector("foo").removeAll(null); }
@Test(expected = NodeVector.ReadOnlyException.class)
public void require_that_retainAll_throws_exception() { new TestNodeVector("foo").retainAll(null); }
@Test(expected = NodeVector.ReadOnlyException.class)
public void require_that_set_throws_exception() { new TestNodeVector("foo").set(0, null); }
@Test
public void require_that_contains_works() {
String val = "foo";
TestNodeVector v = new TestNodeVector(val);
v.setSize(1);
assertTrue(v.contains(val));
assertFalse(v.contains("bar"));
assertTrue(v.containsAll(Arrays.asList(val)));
assertFalse(v.containsAll(Arrays.asList(val, "bar")));
}
@Test
public void require_that_indexOf_works() {
String val = "foo";
TestNodeVector v = new TestNodeVector(val);
assertTrue(v.isEmpty());
v.setSize(1);
assertFalse(v.isEmpty());
assertThat(v.indexOf(val), is(0));
assertThat(v.indexOf("bar"), is(-1));
assertThat(v.lastIndexOf(val), is(0));
assertThat(v.lastIndexOf("bar"), is(-1));
}
@Test
public void require_that_iterators_work() {
String val = "foo";
TestNodeVector v = new TestNodeVector(val);
v.setSize(3);
assertTrue(v.listIterator().hasNext());
assertTrue(v.listIterator(0).hasNext());
assertTrue(v.listIterator(1).hasNext());
assertTrue(v.listIterator(2).hasNext());
assertFalse(v.listIterator(3).hasNext());
}
@Test
public void require_that_sublisting_works() {
String val = "foo";
TestNodeVector v = new TestNodeVector(val);
v.setSize(3);
assertThat(v.subList(0, 1).size(), is(1));
assertThat(v.subList(0, 2).size(), is(2));
assertThat(v.subList(0, 3).size(), is(3));
String[] vals = v.toArray(new String[0]);
assertThat(vals.length, is(3));
}
private static class TestNodeVector extends NodeVector<String> {
private final String value;
public TestNodeVector(String value) {
this.value = value;
}
@Override
protected String createNew() {
return value;
}
}
}
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