NodeItemTest: add tests for parentStream()
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@ -945,4 +945,24 @@ public class NodeItemTest {
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assertThat(Nodes.unnamedChild(null, root)
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.isRoot()).isFalse();
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}
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@Test
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public void parentStream() {
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//given
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val root = Nodes.namedRoot("root data", "root");
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val child1 = Nodes.namedChild("child 1 data", "child 1", root);
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val child2 = Nodes.namedChild("child 2 data", "child 2", root);
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val child3 = Nodes.namedChild("child 3 data", "child 3", child2);
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//when
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val resultRoot = root.parentStream()
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.collect(Collectors.toSet());
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val resultChild1 = child1.parentStream()
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.collect(Collectors.toSet());
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val resultChild3 = child3.parentStream()
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.collect(Collectors.toSet());
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//then
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assertThat(resultRoot).isEmpty();
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assertThat(resultChild1).containsExactlyInAnyOrder(root);
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assertThat(resultChild3).containsExactlyInAnyOrder(child2, root);
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}
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}
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