Usage no npm install needed!

<script type="module">
  import treeLayoutTester from 'https://cdn.skypack.dev/tree-layout-tester';
</script>

README

tree-layout-tester

Checks a tree layout produces results consistent with a known tree ordering

Install

npm install tree-layout-tester

Example

var layoutTester = require("tree-layout-tester")

//Your tree layout
var myLayout =  // ...  something

require("tap").test("my layout test", function(t) {

  var T = layoutTester.T
    , testTree = layoutTester.bind({}, t, myLayout)

  //Enforce that tree layout respects this ordering
  testTree(T(0, T(1), T(2))

  t.end()
})

API

`require("tree-layout-tester").T(v, left, right)`

Creates a tree with index v and the given left/right subtrees

`require("tree-layout-tester")(tap, layout, root)`

Tests the layout against the tree given by root. tap is a pointer to a tap object.