public void IHierarchy_remove_value_from_child_returns_true(IHierarchy <string, string> hierarchy)
{
// ARRANGE
string test = "test";
string test1 = "test1";
string test2 = "test2";
hierarchy.Add(HierarchyPath.Create <string>(), test);
hierarchy.Add(HierarchyPath.Create("a"), test1);
hierarchy.Add(HierarchyPath.Create("a", "b"), test2);
// ACT
var result = hierarchy.Remove(HierarchyPath.Create("a"));
// ASSERT
Assert.True(result);
string value;
// new node has no value
Assert.True(hierarchy.TryGetValue(HierarchyPath.Create <string>(), out value));
Assert.Equal(test, value);
Assert.False(hierarchy.TryGetValue(HierarchyPath.Create("a"), out value));
Assert.True(hierarchy.TryGetValue(HierarchyPath.Create("a", "b"), out value));
Assert.Equal(test2, value);
}
public void IHierarchy_remove_value_twice_from_root_returns_false(IHierarchy <string, string> hierarchy)
{
// ARRANGE
string test = "test";
string test1 = "test1";
hierarchy.Add(HierarchyPath.Create <string>(), test);
hierarchy.Add(HierarchyPath.Create("a"), test1);
hierarchy.Remove(HierarchyPath.Create <string>());
// ACT
var result = hierarchy.Remove(HierarchyPath.Create <string>());
// ASSERT
Assert.False(result);
}
public void IHierarchy_removes_value_from_unknown_node_returns_false(IHierarchy <string, string> hierarchy)
{
// ACT & ASSERT
var result = hierarchy.Remove(HierarchyPath.Create("a"));
// ASSERT
Assert.False(result);
}
public void IHierarchy_removes_false_if_no_value_was_removed(IHierarchy <string, string> hierarchy)
{
// ARRANGE
string test2 = "test2";
hierarchy.Add(HierarchyPath.Create("a", "b"), test2);
// ACT
var result = hierarchy.Remove(HierarchyPath.Create <string>());
// ASSERT
Assert.False(result);
string value;
// new node has no value
Assert.True(hierarchy.TryGetValue(HierarchyPath.Create("a", "b"), out value));
Assert.Equal(test2, value);
}
public void IHierarchy_removes_value_from_root(IHierarchy <string, string> hierarchy)
{
// ARRANGE
string test = "test";
string test1 = "test1";
hierarchy.Add(HierarchyPath.Create <string>(), test);
hierarchy.Add(HierarchyPath.Create("a"), test1);
// ACT
var result = hierarchy.Remove(HierarchyPath.Create <string>());
// ASSERT
Assert.True(result);
string value;
Assert.False(hierarchy.TryGetValue(HierarchyPath.Create <string>(), out value));
Assert.True(hierarchy.TryGetValue(HierarchyPath.Create("a"), out value));
Assert.Equal(test1, value);
}