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unit tcTreeview;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, fpcunit, testregistry, gui_tree;
type
TTestTreeview= class(TTestCase)
private
FTree: TfpgTreeview;
protected
procedure SetUp; override;
procedure TearDown; override;
published
procedure TestCount;
procedure TestCountRecursive;
procedure TestNext;
procedure TestPrev;
procedure TestAppendText;
procedure TestFindSubNode_Text;
end;
implementation
procedure TTestTreeview.SetUp;
begin
FTree := TfpgTreeview.Create(nil);
end;
procedure TTestTreeview.TearDown;
begin
FTree.Free;
end;
procedure TTestTreeview.TestCount;
var
n: TfpgTreeNode;
begin
AssertEquals('Failed on 1', 0, FTree.RootNode.Count);
FTree.RootNode.AppendText('n1');
AssertEquals('Failed on 2', 1, FTree.RootNode.Count);
n := FTree.RootNode.AppendText('n2');
AssertEquals('Failed on 3', 2, FTree.RootNode.Count);
FTree.RootNode.Remove(n);
AssertEquals('Failed on 4', 1, FTree.RootNode.Count);
end;
procedure TTestTreeview.TestCountRecursive;
var
n1, n2: TfpgTreeNode;
begin
{ root
|--n1
| |--n1.1
|--n2
|--n2.1
|--n2.2
}
AssertEquals('Failed on 1', 0, FTree.RootNode.CountRecursive);
n1 := FTree.RootNode.AppendText('n1');
AssertEquals('Failed on 2', 1, FTree.RootNode.CountRecursive);
n2 := FTree.RootNode.AppendText('n2');
AssertEquals('Failed on 3', 2, FTree.RootNode.CountRecursive);
n2.AppendText('n2.1');
AssertEquals('Failed on 4', 3, FTree.RootNode.CountRecursive);
n2.AppendText('n2.2');
AssertEquals('Failed on 5', 4, FTree.RootNode.CountRecursive);
n1.AppendText('n1.1');
AssertEquals('Failed on 6', 5, FTree.RootNode.CountRecursive);
FTree.RootNode.Remove(n2); // removing 3 nodes
AssertEquals('Failed on 6', 2, FTree.RootNode.CountRecursive);
end;
procedure TTestTreeview.TestNext;
var
n1, n2: TfpgTreeNode;
begin
AssertTrue('Failed on 1', FTree.RootNode.Next = nil);
n1 := FTree.RootNode.AppendText('n1');
n2 := FTree.RootNode.AppendText('n2');
AssertTrue('Failed on 2', n1.Next = n2);
AssertTrue('Failed on 3', n2.Next = nil);
n1.AppendText('n1.1');
AssertTrue('Failed on 4', n1.Next = n2);
end;
procedure TTestTreeview.TestPrev;
var
n1, n2: TfpgTreeNode;
begin
AssertTrue('Failed on 1', FTree.RootNode.Prev = nil);
n1 := FTree.RootNode.AppendText('n1');
n2 := FTree.RootNode.AppendText('n2');
AssertTrue('Failed on 2', n2.Prev = n1);
AssertTrue('Failed on 3', n1.Prev = nil);
n1.AppendText('n1.1');
AssertTrue('Failed on 4', n2.Prev = n1);
end;
procedure TTestTreeview.TestAppendText;
var
n1, n2: TfpgTreeNode;
begin
n1 := FTree.RootNode.AppendText('n1');
AssertTrue('Failed on 1', FTree.RootNode.FirstSubNode = n1);
AssertEquals('Failed on 2', 1, FTree.RootNode.Count);
n2 := FTree.RootNode.AppendText('n2');
AssertEquals('Failed on 3', 2, FTree.RootNode.Count);
end;
procedure TTestTreeview.TestFindSubNode_Text;
var
n1, n2, n3: TfpgTreeNode;
r: TfpgTreeNode;
begin
{ root
|--n1
| |--n1.1
|
|--n2
| |--n2.1
| | |--n2.1.1
| |
| |--n2.2
|
|--n3
}
AssertTrue('Failed on 1', FTree.RootNode.FindSubNode('n1', False) = nil);
n1 := FTree.RootNode.AppendText('n1');
AssertTrue('Failed on 2', FTree.RootNode.FindSubNode('n1', False) = n1);
AssertTrue('Failed on 3', FTree.RootNode.FindSubNode('n1', True) = n1);
n2 := FTree.RootNode.AppendText('n2');
AssertTrue('Failed on 4', FTree.RootNode.FindSubNode('n2', False) = n2);
AssertTrue('Failed on 5', FTree.RootNode.FindSubNode('n2', True) = n2);
r := n2.AppendText('n2.1');
AssertTrue('Failed on 6', FTree.RootNode.FindSubNode('n2.1', False) = nil);
AssertTrue('Failed on 7', FTree.RootNode.FindSubNode('n2.1', True) = r);
r := n2.AppendText('n2.2');
AssertTrue('Failed on 8', FTree.RootNode.FindSubNode('n2.2', False) = nil);
AssertTrue('Failed on 9', FTree.RootNode.FindSubNode('n2.2', True) = r);
n3 := FTree.RootNode.AppendText('n3');
AssertTrue('Failed on 10', FTree.RootNode.FindSubNode('n3', False) = n3);
AssertTrue('Failed on 11', FTree.RootNode.FindSubNode('n3', True) = n3);
r := n1.AppendText('n1.1');
AssertTrue('Failed on 12', FTree.RootNode.FindSubNode('n1.1', False) = nil);
AssertTrue('Failed on 13', FTree.RootNode.FindSubNode('n1.1', True) = r);
r := n2.FindSubNode('n2.1', True).AppendText('n2.1.1');
AssertTrue('Failed on 14', FTree.RootNode.FindSubNode('n2.1.1', False) = nil);
AssertTrue('Failed on 15', FTree.RootNode.FindSubNode('n2.1.1', True) = r);
end;
initialization
RegisterTest(TTestTreeview);
end.
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