fix: improve 8767-Combination & 8987-Subsequence test cases (#31704)

questions/08767-medium-combination/test-cases.ts

@@ -1,5 +1,25 @@
 import type { Equal, Expect } from '@type-challenges/utils'
 
 type cases = [
- Expect<Equal<Combination<['foo', 'bar', 'baz']>, 'foo' | 'bar' | 'baz' | 'foo bar' | 'foo bar baz' | 'foo baz' | 'foo baz bar' | 'bar foo' | 'bar foo baz' | 'bar baz' | 'bar baz foo' | 'baz foo' | 'baz foo bar' | 'baz bar' | 'baz bar foo'>>,
-]
+ Expect<Equal<Combination<['foo', 'bar', 'baz']>,
+ 'foo' | 'bar' | 'baz' | 'foo bar' | 'foo bar baz' | 'foo baz' | 'foo baz bar' | 'bar foo' | 'bar foo baz' | 'bar baz' | 'bar baz foo' | 'baz foo' | 'baz foo bar' | 'baz bar' | 'baz bar foo'>>,
+ Expect<Equal<Combination<['apple', 'banana', 'cherry']>,
+ 'apple' | 'banana' | 'cherry' |
+ 'apple banana' | 'apple cherry' | 'banana apple' | 'banana cherry' | 'cherry apple' | 'cherry banana' |
+ 'apple banana cherry' | 'apple cherry banana' | 'banana apple cherry' | 'banana cherry apple' | 'cherry apple banana' | 'cherry banana apple'>>,
+ Expect<Equal<Combination<['red', 'green', 'blue', 'yellow']>,
+ 'red' | 'green' | 'blue' | 'yellow' |
+ 'red green' | 'red blue' | 'red yellow' | 'green red' | 'green blue' | 'green yellow' | 'blue red' | 'blue green' | 'blue yellow' | 'yellow red' | 'yellow green' | 'yellow blue' |
+ 'red green blue' | 'red green yellow' | 'red blue green' | 'red blue yellow' | 'red yellow green' | 'red yellow blue' |
+ 'green red blue' | 'green red yellow' | 'green blue red' | 'green blue yellow' | 'green yellow red' | 'green yellow blue' |
+ 'blue red green' | 'blue red yellow' | 'blue green red' | 'blue green yellow' | 'blue yellow red' | 'blue yellow green' |
+ 'yellow red green' | 'yellow red blue' | 'yellow green red' | 'yellow green blue' | 'yellow blue red' | 'yellow blue green' |
+ 'red green blue yellow' | 'red green yellow blue' | 'red blue green yellow' | 'red blue yellow green' | 'red yellow green blue' | 'red yellow blue green' |
+ 'green red blue yellow' | 'green red yellow blue' | 'green blue red yellow' | 'green blue yellow red' | 'green yellow red blue' | 'green yellow blue red' |
+ 'blue red green yellow' | 'blue red yellow green' | 'blue green red yellow' | 'blue green yellow red' | 'blue yellow red green' | 'blue yellow green red' |
+ 'yellow red green blue' | 'yellow red blue green' | 'yellow green red blue' | 'yellow green blue red' | 'yellow blue red green' | 'yellow blue green red'>>
+ ,
+ Expect<Equal<Combination<['one', 'two']>,
+ 'one' | 'two' |
+ 'one two' | 'two one'>>
+]

questions/08987-medium-subsequence/test-cases.ts

@@ -2,5 +2,24 @@ import type { Equal, Expect } from '@type-challenges/utils'
 
 type cases = [
  Expect<Equal<Subsequence<[1, 2]>, [] | [1] | [2] | [1, 2]>>,
- Expect<Equal<Subsequence<[1, 2, 3]>, [] | [1] | [2] | [1, 2] | [3] | [1, 3] | [2, 3] | [1, 2, 3] >>,
-]
+ Expect<Equal<Subsequence<[1, 2, 3]>, [] | [1] | [2] | [1, 2] | [3] | [1, 3] | [2, 3] | [1, 2, 3]>>,
+ Expect<Equal<Subsequence<[1, 2, 3, 4, 5]>,
+ [] |
+ [1] | [2] | [3] | [4] | [5] |
+ [1, 2] | [1, 3] | [1, 4] | [1, 5] | [2, 3] | [2, 4] | [2, 5] | [3, 4] | [3, 5] | [4, 5] |
+ [1, 2, 3] | [1, 2, 4] | [1, 2, 5] | [1, 3, 4] | [1, 3, 5] | [1, 4, 5] | [2, 3, 4] | [2, 3, 5] | [2, 4, 5] | [3, 4, 5] |
+ [1, 2, 3, 4] | [1, 2, 3, 5] | [1, 2, 4, 5] | [1, 3, 4, 5] | [2, 3, 4, 5] |
+ [1, 2, 3, 4, 5]
+ >>,
+ Expect<Equal<Subsequence<['a', 'b', 'c']>,
+ [] |
+ ['a'] | ['b'] | ['c'] |
+ ['a', 'b'] | ['a', 'c'] | ['b', 'c'] |
+ ['a', 'b', 'c']
+ >>,
+ Expect<Equal<Subsequence<['x', 'y']>,
+ [] |
+ ['x'] | ['y'] |
+ ['x', 'y']
+ >>
+]