| Testing the LayoutNode.parent property. |
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| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
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| Checking nodes have a null parent by default |
| PASS a.parent === null is true |
| PASS b.parent === null is true |
| PASS c.parent === null is true |
| PASS d.parent === null is true |
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| node.children = [a, b, c] |
| PASS a.parent === node is true |
| PASS b.parent === node is true |
| PASS c.parent === node is true |
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| a.remove() |
| PASS a.parent === null is true |
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| node.removeChild(b) |
| PASS b.parent === null is true |
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| node.addChild(a) |
| PASS a.parent === node is true |
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| node.insertBefore(b, c) |
| PASS b.parent === node is true |
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| node.insertAfter(d, c) |
| PASS d.parent === node is true |
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| node.children = [] |
| PASS a.parent === null is true |
| PASS b.parent === null is true |
| PASS c.parent === null is true |
| PASS d.parent === null is true |
| PASS successfullyParsed is true |
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| TEST COMPLETE |
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