67 lines
2.3 KiB
TypeScript
67 lines
2.3 KiB
TypeScript
import {
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ComponentFixture,
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AsyncTestCompleter,
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TestComponentBuilder,
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beforeEach,
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ddescribe,
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xdescribe,
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describe,
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el,
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expect,
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iit,
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inject,
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beforeEachProviders,
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it,
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xit
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} from 'angular2/testing_internal';
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import {Tree, TreeNode} from 'angular2/src/alt_router/segments';
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export function main() {
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describe('tree', () => {
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it("should return the root of the tree", () => {
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let t = new Tree<any>(new TreeNode<number>(1, []));
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expect(t.root).toEqual(1);
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});
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it("should return the parent of a node", () => {
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let t = new Tree<any>(new TreeNode<number>(1, [new TreeNode<number>(2, [])]));
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expect(t.parent(1)).toEqual(null);
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expect(t.parent(2)).toEqual(1);
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});
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it("should return the children of a node", () => {
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let t = new Tree<any>(new TreeNode<number>(1, [new TreeNode<number>(2, [])]));
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expect(t.children(1)).toEqual([2]);
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expect(t.children(2)).toEqual([]);
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});
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it("should return the first child of a node", () => {
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let t = new Tree<any>(new TreeNode<number>(1, [new TreeNode<number>(2, [])]));
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expect(t.firstChild(1)).toEqual(2);
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expect(t.firstChild(2)).toEqual(null);
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});
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it("should return the path to the root", () => {
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let t = new Tree<any>(new TreeNode<number>(1, [new TreeNode<number>(2, [])]));
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expect(t.pathFromRoot(2)).toEqual([1, 2]);
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});
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describe("contains", () => {
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it("should work", () => {
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let tree = new Tree<any>(new TreeNode<number>(1, [new TreeNode<number>(2, []), new TreeNode<number>(3, [])]));
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let subtree1 = new Tree<any>(new TreeNode<number>(1, []));
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let subtree2 = new Tree<any>(new TreeNode<number>(1, [new TreeNode<number>(2, [])]));
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let subtree3 = new Tree<any>(new TreeNode<number>(1, [new TreeNode<number>(3, [])]));
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let notSubtree1 = new Tree<any>(new TreeNode<number>(1, [new TreeNode<number>(4, [])]));
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let notSubtree2 = new Tree<any>(new TreeNode<number>(1, [new TreeNode<number>(2, [new TreeNode<number>(4, [])])]));
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expect(tree.contains(subtree1)).toEqual(true);
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expect(tree.contains(subtree2)).toEqual(true);
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expect(tree.contains(subtree3)).toEqual(true);
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expect(tree.contains(notSubtree1)).toEqual(false);
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expect(tree.contains(notSubtree2)).toEqual(false);
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});
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});
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});
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} |