sync triangle (#566)

[no important files changed]

Author: keiravillekode

exercises/practice/triangle/.docs/instructions.append.md

@@ -0,0 +1,11 @@
+# Instructions append
+
+### Error handling & Assertion
+
+Use error handling or assertion to check if the shape is a triangle at all:
+
+- [Error Keyword][error-keyword]
+- [Assertion][assertion]
+
+[error-keyword]: https://www.lua.org/manual/5.4/manual.html#pdf-error
+[assertion]: https://www.lua.org/manual/5.4/manual.html#pdf-assert

exercises/practice/triangle/.docs/instructions.md

@@ -26,13 +26,4 @@ a + c ≥ b
 
 See [Triangle Inequality][triangle-inequality]
 
-### Error handling & Assertion
-
-Use error handling or assertion to check if the shape is a triangle at all:
-
-- [Error Keyword][error-keyword]
-- [Assertion][assertion]
-
 [triangle-inequality]: https://en.wikipedia.org/wiki/Triangle_inequality
-[error-keyword]: https://www.lua.org/manual/5.4/manual.html#pdf-error
-[assertion]: https://www.lua.org/manual/5.4/manual.html#pdf-assert

exercises/practice/triangle/.meta/tests.toml

@@ -1,60 +1,73 @@
-# 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.
 
 [8b2c43ac-7257-43f9-b552-7631a91988af]
-description = "all sides are equal"
+description = "equilateral triangle -> all sides are equal"
 
 [33eb6f87-0498-4ccf-9573-7f8c3ce92b7b]
-description = "any side is unequal"
+description = "equilateral triangle -> any side is unequal"
 
 [c6585b7d-a8c0-4ad8-8a34-e21d36f7ad87]
-description = "no sides are equal"
+description = "equilateral triangle -> no sides are equal"
 
 [16e8ceb0-eadb-46d1-b892-c50327479251]
-description = "all zero sides is not a triangle"
+description = "equilateral triangle -> all zero sides is not a triangle"
 
 [3022f537-b8e5-4cc1-8f12-fd775827a00c]
-description = "sides may be floats"
+description = "equilateral triangle -> sides may be floats"
 
 [cbc612dc-d75a-4c1c-87fc-e2d5edd70b71]
-description = "last two sides are equal"
+description = "isosceles triangle -> last two sides are equal"
 
 [e388ce93-f25e-4daf-b977-4b7ede992217]
-description = "first two sides are equal"
+description = "isosceles triangle -> first two sides are equal"
 
 [d2080b79-4523-4c3f-9d42-2da6e81ab30f]
-description = "first and last sides are equal"
+description = "isosceles triangle -> first and last sides are equal"
 
 [8d71e185-2bd7-4841-b7e1-71689a5491d8]
-description = "equilateral triangles are also isosceles"
+description = "isosceles triangle -> equilateral triangles are also isosceles"
 
 [840ed5f8-366f-43c5-ac69-8f05e6f10bbb]
-description = "no sides are equal"
+description = "isosceles triangle -> no sides are equal"
 
 [2eba0cfb-6c65-4c40-8146-30b608905eae]
-description = "first triangle inequality violation"
+description = "isosceles triangle -> first triangle inequality violation"
 
 [278469cb-ac6b-41f0-81d4-66d9b828f8ac]
-description = "second triangle inequality violation"
+description = "isosceles triangle -> second triangle inequality violation"
 
 [90efb0c7-72bb-4514-b320-3a3892e278ff]
-description = "third triangle inequality violation"
+description = "isosceles triangle -> third triangle inequality violation"
 
 [adb4ee20-532f-43dc-8d31-e9271b7ef2bc]
-description = "sides may be floats"
+description = "isosceles triangle -> sides may be floats"
 
 [e8b5f09c-ec2e-47c1-abec-f35095733afb]
-description = "no sides are equal"
+description = "scalene triangle -> no sides are equal"
 
 [2510001f-b44d-4d18-9872-2303e7977dc1]
-description = "all sides are equal"
+description = "scalene triangle -> all sides are equal"
 
 [c6e15a92-90d9-4fb3-90a2-eef64f8d3e1e]
-description = "two sides are equal"
+description = "scalene triangle -> first and second sides are equal"
+
+[3da23a91-a166-419a-9abf-baf4868fd985]
+description = "scalene triangle -> first and third sides are equal"
+
+[b6a75d98-1fef-4c42-8e9a-9db854ba0a4d]
+description = "scalene triangle -> second and third sides are equal"
 
 [70ad5154-0033-48b7-af2c-b8d739cd9fdc]
-description = "may not violate triangle inequality"
+description = "scalene triangle -> may not violate triangle inequality"
 
 [26d9d59d-f8f1-40d3-ad58-ae4d54123d7d]
-description = "sides may be floats"
+description = "scalene triangle -> sides may be floats"

exercises/practice/triangle/triangle_spec.lua

@@ -11,13 +11,16 @@ describe('triangle', function()
 
   it('isosceles triangles have last two sides equal', function()
     assert.are.equals('isosceles', triangle.kind(3, 4, 4))
+    assert.are.equals('isosceles', triangle.kind(4, 3, 3))
   end)
 
   it('isosceles trianges have first and last sides equal', function()
+    assert.are.equals('isosceles', triangle.kind(3, 4, 3))
     assert.are.equals('isosceles', triangle.kind(4, 3, 4))
   end)
 
   it('isosceles triangles have two first sides equal', function()
+    assert.are.equals('isosceles', triangle.kind(3, 3, 4))
     assert.are.equals('isosceles', triangle.kind(4, 4, 3))
   end)