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22 changes: 19 additions & 3 deletions exercises/practice/satellite/.meta/tests.toml
Original file line number Diff line number Diff line change
@@ -1,6 +1,13 @@
# This is an auto-generated file. Regular comments will be removed when this
# file is regenerated. Regenerating will not touch any manually added keys,
# so comments can be added in a "comment" key.
# This is an auto-generated file.
#
# Regenerating this file via `configlet sync` will:
# - Recreate every `description` key/value pair
# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
# - Preserve any other key/value pair
#
# As user-added comments (using the # character) will be removed when this file
# is regenerated, comments can be added via a `comment` key.

[8df3fa26-811a-4165-9286-ff9ac0850d19]
description = "Empty tree"
Expand All @@ -19,3 +26,12 @@ description = "Reject inconsistent traversals of same length"

[d86a3d72-76a9-43b5-9d3a-e64cb1216035]
description = "Reject traversals with repeated items"

[af31ae02-7e5b-4452-a990-bccb3fca9148]
description = "A degenerate binary tree"

[ee54463d-a719-4aae-ade4-190d30ce7320]
description = "Another degenerate binary tree"

[87123c08-c155-4486-90a4-e2f75b0f3e8f]
description = "Tree with many more items"
89 changes: 89 additions & 0 deletions exercises/practice/satellite/satellite.spec.js
Original file line number Diff line number Diff line change
Expand Up @@ -49,4 +49,93 @@ describe('Satellite', () => {
treeFromTraversals(preorder, inorder);
}).toThrow(new Error('traversals must contain unique items'));
});

xtest('A degenerate binary tree', () => {
const preorder = ['a', 'b', 'c', 'd'];
const inorder = ['d', 'c', 'b', 'a'];
const expected = {
value: 'a',
left: {
value: 'b',
left: {
value: 'c',
left: {
value: 'd',
left: {},
right: {},
},
right: {},
},
right: {},
},
right: {},
};
expect(treeFromTraversals(preorder, inorder)).toEqual(expected);
});

xtest('Another degenerate binary tree', () => {
const preorder = ['a', 'b', 'c', 'd'];
const inorder = ['a', 'b', 'c', 'd'];
const expected = {
value: 'a',
left: {},
right: {
value: 'b',
left: {},
right: {
value: 'c',
left: {},
right: {
value: 'd',
left: {},
right: {},
},
},
},
};
expect(treeFromTraversals(preorder, inorder)).toEqual(expected);
});

xtest('Tree with many more items', () => {
const preorder = ['a', 'b', 'd', 'g', 'h', 'c', 'e', 'f', 'i'];
const inorder = ['g', 'd', 'h', 'b', 'a', 'e', 'c', 'i', 'f'];
const expected = {
value: 'a',
left: {
value: 'b',
left: {
value: 'd',
left: {
value: 'g',
left: {},
right: {},
},
right: {
value: 'h',
left: {},
right: {},
},
},
right: {},
},
right: {
value: 'c',
left: {
value: 'e',
left: {},
right: {},
},
right: {
value: 'f',
left: {
value: 'i',
left: {},
right: {},
},
right: {},
},
},
};
expect(treeFromTraversals(preorder, inorder)).toEqual(expected);
});
});