From cce8c44b2bba795d8aaed28ab69d15cbe0d6e6d5 Mon Sep 17 00:00:00 2001
From: Smoren <ofigate@gmail.com>
Date: Sat, 25 Jan 2025 14:43:10 +0300
Subject: [PATCH] reduce tests updating in progress.

---
 tests/reduce/to-average.test.ts        | 35 ++++++---------
 tests/reduce/to-count.test.ts          | 37 ++++++---------
 tests/reduce/to-first-and-last.test.ts | 53 +++++++++-------------
 tests/reduce/to-first.test.ts          | 53 +++++++++-------------
 tests/reduce/to-last.test.ts           | 50 +++++++++------------
 tests/reduce/to-max.test.ts            | 62 ++++++++------------------
 6 files changed, 106 insertions(+), 184 deletions(-)

diff --git a/tests/reduce/to-average.test.ts b/tests/reduce/to-average.test.ts
index 8ec9786..5957160 100644
--- a/tests/reduce/to-average.test.ts
+++ b/tests/reduce/to-average.test.ts
@@ -14,12 +14,9 @@ describe.each([
   ...dataProviderForIterators(),
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
-] as Array<[Iterable<number>|Iterator<number>, number]>)(
+])(
   "Reduce To Average Test",
-  (
-    input: Iterable<number>|Iterator<number>,
-    expected: number
-  ) => {
+  (input, expected) => {
     it("", () => {
       // When
       const result = reduce.toAverage(input);
@@ -44,15 +41,9 @@ describe.each([
   ...dataProviderForIterators(),
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
-] as Array<[
-  AsyncIterable<number>|AsyncIterator<number>|Iterable<number>|Iterator<number>,
-  number
-]>)(
+])(
   "Reduce To Average Async Test",
-  (
-    input: AsyncIterable<number>|AsyncIterator<number>|Iterable<number>|Iterator<number>,
-    expected: number
-  ) => {
+  (input, expected) => {
     it("", async () => {
       // When
       const result = await reduce.toAverageAsync(input);
@@ -67,7 +58,7 @@ describe.each([
   }
 );
 
-function dataProviderForArrays(): Array<unknown> {
+function dataProviderForArrays(): Array<[Array<any>, any]> {
   return [
     [
       [],
@@ -148,7 +139,7 @@ function dataProviderForArrays(): Array<unknown> {
   ];
 }
 
-function dataProviderForGenerators(): Array<unknown> {
+function dataProviderForGenerators(): Array<[Generator<any>, any]> {
   return [
     [
       createGeneratorFixture([]),
@@ -229,7 +220,7 @@ function dataProviderForGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterables(): Array<unknown> {
+function dataProviderForIterables(): Array<[Iterable<any>, any]> {
   return [
     [
       createIterableFixture([]),
@@ -310,7 +301,7 @@ function dataProviderForIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterators(): Array<unknown> {
+function dataProviderForIterators(): Array<[Iterator<any>, any]> {
   return [
     [
       createIteratorFixture([]),
@@ -391,7 +382,7 @@ function dataProviderForIterators(): Array<unknown> {
   ];
 }
 
-function dataProviderForStrings(): Array<unknown> {
+function dataProviderForStrings(): Array<[string, any]> {
   return [
     [
       '',
@@ -436,7 +427,7 @@ function dataProviderForStrings(): Array<unknown> {
   ];
 }
 
-function dataProviderForSets(): Array<unknown> {
+function dataProviderForSets(): Array<[Set<any>, any]> {
   return [
     [
       new Set([]),
@@ -517,7 +508,7 @@ function dataProviderForSets(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncGenerators(): Array<unknown> {
+function dataProviderForAsyncGenerators(): Array<[AsyncGenerator<any>, any]> {
   return [
     [
       createAsyncGeneratorFixture([]),
@@ -598,7 +589,7 @@ function dataProviderForAsyncGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterables(): Array<unknown> {
+function dataProviderForAsyncIterables(): Array<[AsyncIterable<any>, any]> {
   return [
     [
       createAsyncIterableFixture([]),
@@ -679,7 +670,7 @@ function dataProviderForAsyncIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterators(): Array<unknown> {
+function dataProviderForAsyncIterators(): Array<[AsyncIterator<any>, any]> {
   return [
     [
       createAsyncIteratorFixture([]),
diff --git a/tests/reduce/to-count.test.ts b/tests/reduce/to-count.test.ts
index ebe6d5a..8aa6518 100644
--- a/tests/reduce/to-count.test.ts
+++ b/tests/reduce/to-count.test.ts
@@ -18,12 +18,9 @@ describe.each([
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
   ...dataProviderForMaps(),
-] as Array<[Iterable<unknown>|Iterator<unknown>, number]>)(
+])(
   "Reduce To Count Test",
-  (
-    input: Iterable<unknown>|Iterator<unknown>,
-    expected: number
-  ) => {
+  (input, expected) => {
     it("", () => {
       // When
       const result = reduce.toCount(input);
@@ -45,15 +42,9 @@ describe.each([
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
   ...dataProviderForMaps(),
-] as Array<[
-  AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>,
-  number
-]>)(
+])(
   "Reduce To Count Async Test",
-  (
-    input: AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>,
-    expected: number
-  ) => {
+  (input, expected) => {
     it("", async () => {
       // When
       const result = await reduce.toCountAsync(input);
@@ -64,7 +55,7 @@ describe.each([
   }
 );
 
-function dataProviderForArrays(): Array<unknown> {
+function dataProviderForArrays(): Array<[Array<any>, number]> {
   return [
     [
       [],
@@ -97,7 +88,7 @@ function dataProviderForArrays(): Array<unknown> {
   ];
 }
 
-function dataProviderForGenerators(): Array<unknown> {
+function dataProviderForGenerators(): Array<[Generator<any>, number]> {
   return [
     [
       createGeneratorFixture([]),
@@ -130,7 +121,7 @@ function dataProviderForGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterables(): Array<unknown> {
+function dataProviderForIterables(): Array<[Iterable<any>, number]> {
   return [
     [
       createIterableFixture([]),
@@ -163,7 +154,7 @@ function dataProviderForIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterators(): Array<unknown> {
+function dataProviderForIterators(): Array<[Iterator<any>, number]> {
   return [
     [
       createIteratorFixture([]),
@@ -196,7 +187,7 @@ function dataProviderForIterators(): Array<unknown> {
   ];
 }
 
-function dataProviderForStrings(): Array<unknown> {
+function dataProviderForStrings(): Array<[string, number]> {
   return [
     [
       '',
@@ -229,7 +220,7 @@ function dataProviderForStrings(): Array<unknown> {
   ];
 }
 
-function dataProviderForSets(): Array<unknown> {
+function dataProviderForSets(): Array<[Set<any>, number]> {
   return [
     [
       new Set([]),
@@ -262,7 +253,7 @@ function dataProviderForSets(): Array<unknown> {
   ];
 }
 
-function dataProviderForMaps(): Array<unknown> {
+function dataProviderForMaps(): Array<[Map<any, any>, number]> {
   return [
     [
       createMapFixture([]),
@@ -295,7 +286,7 @@ function dataProviderForMaps(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncGenerators(): Array<unknown> {
+function dataProviderForAsyncGenerators(): Array<[AsyncGenerator<any>, number]> {
   return [
     [
       createAsyncGeneratorFixture([]),
@@ -328,7 +319,7 @@ function dataProviderForAsyncGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterables(): Array<unknown> {
+function dataProviderForAsyncIterables(): Array<[AsyncIterable<any>, number]> {
   return [
     [
       createAsyncIterableFixture([]),
@@ -361,7 +352,7 @@ function dataProviderForAsyncIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterators(): Array<unknown> {
+function dataProviderForAsyncIterators(): Array<[AsyncIterator<any>, number]> {
   return [
     [
       createAsyncIteratorFixture([]),
diff --git a/tests/reduce/to-first-and-last.test.ts b/tests/reduce/to-first-and-last.test.ts
index e2c8b53..c56a0db 100644
--- a/tests/reduce/to-first-and-last.test.ts
+++ b/tests/reduce/to-first-and-last.test.ts
@@ -18,12 +18,9 @@ describe.each([
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
   ...dataProviderForMaps(),
-] as Array<[Iterable<unknown>|Iterator<unknown>, [unknown, unknown]]>)(
+])(
   "Reduce To First And Last Test",
-  (
-    input: Iterable<unknown>|Iterator<unknown>,
-    expected: [unknown, unknown]
-  ) => {
+  (input, expected) => {
     it("", () => {
       // When
       const result = reduce.toFirstAndLast(input);
@@ -45,15 +42,9 @@ describe.each([
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
   ...dataProviderForMaps(),
-] as Array<[
-  AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>,
-  [unknown, unknown]
-]>)(
+])(
   "Reduce To First And Last Async Test",
-  (
-    input: AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>,
-    expected: [unknown, unknown]
-  ) => {
+  (input, expected) => {
     it("", async () => {
       // When
       const result = await reduce.toFirstAndLastAsync(input);
@@ -66,9 +57,9 @@ describe.each([
 
 describe.each([
   ...dataProviderForError(),
-] as Array<[Iterable<unknown>|Iterator<unknown>]>)(
+])(
   "Reduce To First And Last Error Test",
-  (input: Iterable<unknown>|Iterator<unknown>) => {
+  (input) => {
     it("", () => {
       expect(() => {
         reduce.toFirstAndLast(input);
@@ -80,13 +71,9 @@ describe.each([
 describe.each([
   ...dataProviderForError(),
   ...dataProviderForErrorAsync(),
-] as Array<[
-  AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>
-]>)(
+])(
   "Reduce To First And Last Async Error Test",
-  (
-    input: AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>
-  ) => {
+  (input) => {
     it("", async () => {
       try {
         await reduce.toFirstAndLastAsync(input);
@@ -98,7 +85,7 @@ describe.each([
   }
 );
 
-function dataProviderForArrays(): Array<unknown> {
+function dataProviderForArrays(): Array<[Array<any>, [any, any]]> {
   return [
     [
       [0],
@@ -143,7 +130,7 @@ function dataProviderForArrays(): Array<unknown> {
   ];
 }
 
-function dataProviderForGenerators(): Array<unknown> {
+function dataProviderForGenerators(): Array<[Generator<any>, [any, any]]> {
   return [
     [
       createGeneratorFixture([0]),
@@ -188,7 +175,7 @@ function dataProviderForGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterables(): Array<unknown> {
+function dataProviderForIterables(): Array<[Iterable<any>, [any, any]]> {
   return [
     [
       createIterableFixture([0]),
@@ -233,7 +220,7 @@ function dataProviderForIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterators(): Array<unknown> {
+function dataProviderForIterators(): Array<[Iterator<any>, [any, any]]> {
   return [
     [
       createIteratorFixture([0]),
@@ -278,7 +265,7 @@ function dataProviderForIterators(): Array<unknown> {
   ];
 }
 
-function dataProviderForStrings(): Array<unknown> {
+function dataProviderForStrings(): Array<[string, [any, any]]> {
   return [
     [
       '0',
@@ -311,7 +298,7 @@ function dataProviderForStrings(): Array<unknown> {
   ];
 }
 
-function dataProviderForSets(): Array<unknown> {
+function dataProviderForSets(): Array<[Set<any>, [any, any]]> {
   return [
     [
       new Set([0]),
@@ -356,7 +343,7 @@ function dataProviderForSets(): Array<unknown> {
   ];
 }
 
-function dataProviderForMaps(): Array<unknown> {
+function dataProviderForMaps(): Array<[Map<any, any>, [any, any]]> {
   return [
     [
       createMapFixture([0]),
@@ -401,7 +388,7 @@ function dataProviderForMaps(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncGenerators(): Array<unknown> {
+function dataProviderForAsyncGenerators(): Array<[AsyncGenerator<any>, [any, any]]> {
   return [
     [
       createAsyncGeneratorFixture([0]),
@@ -446,7 +433,7 @@ function dataProviderForAsyncGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterables(): Array<unknown> {
+function dataProviderForAsyncIterables(): Array<[AsyncIterable<any>, [any, any]]> {
   return [
     [
       createAsyncIterableFixture([0]),
@@ -491,7 +478,7 @@ function dataProviderForAsyncIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterators(): Array<unknown> {
+function dataProviderForAsyncIterators(): Array<[AsyncIterator<any>, [any, any]]> {
   return [
     [
       createAsyncIteratorFixture([0]),
@@ -536,7 +523,7 @@ function dataProviderForAsyncIterators(): Array<unknown> {
   ];
 }
 
-function dataProviderForError(): Array<unknown> {
+function dataProviderForError(): Array<[Iterable<any> | Iterator<any>]> {
   return [
     [
       [],
@@ -562,7 +549,7 @@ function dataProviderForError(): Array<unknown> {
   ];
 }
 
-function dataProviderForErrorAsync(): Array<unknown> {
+function dataProviderForErrorAsync(): Array<[AsyncIterable<any> | AsyncIterator<any>]> {
   return [
     [
       createAsyncGeneratorFixture([]),
diff --git a/tests/reduce/to-first.test.ts b/tests/reduce/to-first.test.ts
index e1f23f4..b1cf1c3 100644
--- a/tests/reduce/to-first.test.ts
+++ b/tests/reduce/to-first.test.ts
@@ -18,12 +18,9 @@ describe.each([
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
   ...dataProviderForMaps(),
-] as Array<[Iterable<unknown>|Iterator<unknown>, unknown]>)(
+])(
   "Reduce To First Test",
-  (
-    input: Iterable<unknown>|Iterator<unknown>,
-    expected: unknown
-  ) => {
+  (input, expected) => {
     it("", () => {
       // When
       const result = reduce.toFirst(input);
@@ -45,15 +42,9 @@ describe.each([
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
   ...dataProviderForMaps(),
-] as Array<[
-  AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>,
-  unknown
-]>)(
+])(
   "Reduce To First Async Test",
-  (
-    input: AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>,
-    expected: unknown
-  ) => {
+  (input, expected) => {
     it("", async () => {
       // When
       const result = await reduce.toFirstAsync(input);
@@ -66,9 +57,9 @@ describe.each([
 
 describe.each([
   ...dataProviderForError(),
-] as Array<[Iterable<unknown>|Iterator<unknown>]>)(
+])(
   "Reduce To First Error Test",
-  (input: Iterable<unknown>|Iterator<unknown>) => {
+  (input) => {
     it("", () => {
       expect(() => {
         reduce.toFirst(input);
@@ -80,13 +71,9 @@ describe.each([
 describe.each([
   ...dataProviderForError(),
   ...dataProviderForErrorAsync(),
-] as Array<[
-  AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>
-]>)(
+])(
   "Reduce To First Error Test",
-  (
-    input: AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>
-  ) => {
+  (input) => {
     it("", async () => {
       try {
         await reduce.toFirstAsync(input);
@@ -98,7 +85,7 @@ describe.each([
   }
 );
 
-function dataProviderForArrays(): Array<unknown> {
+function dataProviderForArrays(): Array<[Array<any>, any]> {
   return [
     [
       [0],
@@ -143,7 +130,7 @@ function dataProviderForArrays(): Array<unknown> {
   ];
 }
 
-function dataProviderForGenerators(): Array<unknown> {
+function dataProviderForGenerators(): Array<[Generator<any>, any]> {
   return [
     [
       createGeneratorFixture([0]),
@@ -188,7 +175,7 @@ function dataProviderForGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterables(): Array<unknown> {
+function dataProviderForIterables(): Array<[Iterable<any>, any]> {
   return [
     [
       createIterableFixture([0]),
@@ -233,7 +220,7 @@ function dataProviderForIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterators(): Array<unknown> {
+function dataProviderForIterators(): Array<[Iterator<any>, any]> {
   return [
     [
       createIteratorFixture([0]),
@@ -278,7 +265,7 @@ function dataProviderForIterators(): Array<unknown> {
   ];
 }
 
-function dataProviderForStrings(): Array<unknown> {
+function dataProviderForStrings(): Array<[string, any]> {
   return [
     [
       '0',
@@ -311,7 +298,7 @@ function dataProviderForStrings(): Array<unknown> {
   ];
 }
 
-function dataProviderForSets(): Array<unknown> {
+function dataProviderForSets(): Array<[Set<any>, any]> {
   return [
     [
       new Set([0]),
@@ -356,7 +343,7 @@ function dataProviderForSets(): Array<unknown> {
   ];
 }
 
-function dataProviderForMaps(): Array<unknown> {
+function dataProviderForMaps(): Array<[Map<any, any>, any]> {
   return [
     [
       createMapFixture([0]),
@@ -401,7 +388,7 @@ function dataProviderForMaps(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncGenerators(): Array<unknown> {
+function dataProviderForAsyncGenerators(): Array<[AsyncGenerator<any>, any]> {
   return [
     [
       createAsyncGeneratorFixture([0]),
@@ -446,7 +433,7 @@ function dataProviderForAsyncGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterables(): Array<unknown> {
+function dataProviderForAsyncIterables(): Array<[AsyncIterable<any>, any]> {
   return [
     [
       createAsyncIterableFixture([0]),
@@ -491,7 +478,7 @@ function dataProviderForAsyncIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterators(): Array<unknown> {
+function dataProviderForAsyncIterators(): Array<[AsyncIterator<any>, any]> {
   return [
     [
       createAsyncIteratorFixture([0]),
@@ -536,7 +523,7 @@ function dataProviderForAsyncIterators(): Array<unknown> {
   ];
 }
 
-function dataProviderForError(): Array<unknown> {
+function dataProviderForError(): Array<[Iterable<any> | Iterator<any>]> {
   return [
     [
       [],
@@ -562,7 +549,7 @@ function dataProviderForError(): Array<unknown> {
   ];
 }
 
-function dataProviderForErrorAsync(): Array<unknown> {
+function dataProviderForErrorAsync(): Array<[AsyncIterable<any> | AsyncIterator<any>]> {
   return [
     [
       createAsyncGeneratorFixture([]),
diff --git a/tests/reduce/to-last.test.ts b/tests/reduce/to-last.test.ts
index aefe341..4e7c24b 100644
--- a/tests/reduce/to-last.test.ts
+++ b/tests/reduce/to-last.test.ts
@@ -18,12 +18,9 @@ describe.each([
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
   ...dataProviderForMaps(),
-] as Array<[Iterable<unknown>|Iterator<unknown>, unknown]>)(
+])(
   "Reduce To Last Test",
-  (
-    input: Iterable<unknown>|Iterator<unknown>,
-    expected: unknown
-  ) => {
+  (input, expected) => {
     it("", () => {
       // When
       const result = reduce.toLast(input);
@@ -45,12 +42,9 @@ describe.each([
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
   ...dataProviderForMaps(),
-] as Array<[Iterable<unknown>|Iterator<unknown>, unknown]>)(
+])(
   "Reduce To Last Async Test",
-  (
-    input: AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>,
-    expected: unknown
-  ) => {
+  (input, expected) => {
     it("", async () => {
       // When
       const result = await reduce.toLastAsync(input);
@@ -63,9 +57,9 @@ describe.each([
 
 describe.each([
   ...dataProviderForError(),
-] as Array<[Iterable<unknown>|Iterator<unknown>]>)(
+])(
   "Reduce To Last Error Test",
-  (input: Iterable<unknown>|Iterator<unknown>) => {
+  (input) => {
     it("", () => {
       expect(() => {
         reduce.toLast(input);
@@ -77,13 +71,9 @@ describe.each([
 describe.each([
   ...dataProviderForError(),
   ...dataProviderForErrorAsync(),
-] as Array<[
-  AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>
-]>)(
+])(
   "Reduce To Last Async Error Test",
-  (
-    input: AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>
-  ) => {
+  (input) => {
     it("", async () => {
       try {
         await reduce.toLastAsync(input);
@@ -95,7 +85,7 @@ describe.each([
   }
 );
 
-function dataProviderForArrays(): Array<unknown> {
+function dataProviderForArrays(): Array<[Array<any>, any]> {
   return [
     [
       [0],
@@ -140,7 +130,7 @@ function dataProviderForArrays(): Array<unknown> {
   ];
 }
 
-function dataProviderForGenerators(): Array<unknown> {
+function dataProviderForGenerators(): Array<[Generator<any>, any]> {
   return [
     [
       createGeneratorFixture([0]),
@@ -185,7 +175,7 @@ function dataProviderForGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterables(): Array<unknown> {
+function dataProviderForIterables(): Array<[Iterable<any>, any]> {
   return [
     [
       createIterableFixture([0]),
@@ -230,7 +220,7 @@ function dataProviderForIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterators(): Array<unknown> {
+function dataProviderForIterators(): Array<[Iterator<any>, any]> {
   return [
     [
       createIteratorFixture([0]),
@@ -275,7 +265,7 @@ function dataProviderForIterators(): Array<unknown> {
   ];
 }
 
-function dataProviderForStrings(): Array<unknown> {
+function dataProviderForStrings(): Array<[string, any]> {
   return [
     [
       '0',
@@ -308,7 +298,7 @@ function dataProviderForStrings(): Array<unknown> {
   ];
 }
 
-function dataProviderForSets(): Array<unknown> {
+function dataProviderForSets(): Array<[Set<any>, any]> {
   return [
     [
       new Set([0]),
@@ -353,7 +343,7 @@ function dataProviderForSets(): Array<unknown> {
   ];
 }
 
-function dataProviderForMaps(): Array<unknown> {
+function dataProviderForMaps(): Array<[Map<any, any>, any]> {
   return [
     [
       createMapFixture([0]),
@@ -398,7 +388,7 @@ function dataProviderForMaps(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncGenerators(): Array<unknown> {
+function dataProviderForAsyncGenerators(): Array<[AsyncGenerator<any>, any]> {
   return [
     [
       createAsyncGeneratorFixture([0]),
@@ -443,7 +433,7 @@ function dataProviderForAsyncGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterables(): Array<unknown> {
+function dataProviderForAsyncIterables(): Array<[AsyncIterable<any>, any]> {
   return [
     [
       createAsyncIterableFixture([0]),
@@ -488,7 +478,7 @@ function dataProviderForAsyncIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterators(): Array<unknown> {
+function dataProviderForAsyncIterators(): Array<[AsyncIterator<any>, any]> {
   return [
     [
       createAsyncIteratorFixture([0]),
@@ -533,7 +523,7 @@ function dataProviderForAsyncIterators(): Array<unknown> {
   ];
 }
 
-function dataProviderForError(): Array<unknown> {
+function dataProviderForError(): Array<[Iterable<any> | Iterator<any>]> {
   return [
     [
       [],
@@ -559,7 +549,7 @@ function dataProviderForError(): Array<unknown> {
   ];
 }
 
-function dataProviderForErrorAsync(): Array<unknown> {
+function dataProviderForErrorAsync(): Array<[AsyncIterable<any> | AsyncIterator<any>]> {
   return [
     [
       createAsyncGeneratorFixture([]),
diff --git a/tests/reduce/to-max.test.ts b/tests/reduce/to-max.test.ts
index 7d1291a..a8f20b5 100644
--- a/tests/reduce/to-max.test.ts
+++ b/tests/reduce/to-max.test.ts
@@ -19,13 +19,9 @@ describe.each([
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
   ...dataProviderForMaps(),
-] as Array<[Iterable<unknown>|Iterator<unknown>, ((datum: unknown) => Comparable)|undefined, unknown]>)(
+])(
   "Reduce To Max Test",
-  (
-    input: Iterable<unknown>|Iterator<unknown>,
-    compareBy: ((datum: unknown) => Comparable)|undefined,
-    expected: unknown
-  ) => {
+  (input, compareBy, expected) => {
     it("", () => {
       // When
       const result = reduce.toMax(input, compareBy);
@@ -47,17 +43,9 @@ describe.each([
   ...dataProviderForStrings(),
   ...dataProviderForSets(),
   ...dataProviderForMaps(),
-] as Array<[
-  AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>,
-  ((datum: unknown) => Promise<Comparable>|Comparable)|undefined,
-  unknown
-]>)(
+])(
   "Reduce To Max Async Test",
-  (
-    input: AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>,
-    compareBy: ((datum: unknown) => Promise<Comparable>|Comparable)|undefined,
-    expected: unknown
-  ) => {
+  (input, compareBy, expected) => {
     it("", async () => {
       // When
       const result = await reduce.toMaxAsync(input, compareBy);
@@ -72,11 +60,7 @@ describe.each([
   ...dataProviderForUsingCustomComparator(),
 ] as Array<[Iterable<unknown>|Iterator<unknown>, ((datum: unknown) => Comparable)|undefined, unknown]>)(
   "Reduce To Max Using Custom Comparator Test",
-  (
-    input: Iterable<unknown>|Iterator<unknown>,
-    compareBy: ((datum: unknown) => Comparable)|undefined,
-    expected: unknown
-  ) => {
+  (input, compareBy, expected) => {
     it("", () => {
       // When
       const result = reduce.toMax(input, compareBy);
@@ -90,17 +74,9 @@ describe.each([
 describe.each([
   ...dataProviderForUsingCustomComparator(),
   ...dataProviderForUsingCustomComparatorAsync(),
-] as Array<[
-  AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>,
-  ((datum: unknown) => Promise<Comparable>|Comparable)|undefined,
-  unknown
-]>)(
+])(
   "Reduce To Max Async Using Custom Comparator Test",
-  (
-    input: AsyncIterable<unknown>|AsyncIterator<unknown>|Iterable<unknown>|Iterator<unknown>,
-    compareBy: ((datum: unknown) => Promise<Comparable>|Comparable)|undefined,
-    expected: unknown
-  ) => {
+  (input, compareBy, expected) => {
     it("", async () => {
       // When
       const result = await reduce.toMaxAsync(input, compareBy);
@@ -111,7 +87,7 @@ describe.each([
   }
 );
 
-function dataProviderForUsingCustomComparator(): Array<unknown> {
+function dataProviderForUsingCustomComparator(): Array<[Array<Record<string, unknown>>, (movie: Record<string, unknown>) => number, Record<string, unknown>]> {
   return [
     [
       [
@@ -141,7 +117,7 @@ function dataProviderForUsingCustomComparator(): Array<unknown> {
   ];
 }
 
-function dataProviderForUsingCustomComparatorAsync(): Array<unknown> {
+function dataProviderForUsingCustomComparatorAsync(): Array<[Array<Record<string, unknown>>, (movie: Record<string, unknown>) => Promise<number>, Record<string, unknown>]> {
   return [
     [
       [
@@ -174,7 +150,7 @@ function dataProviderForUsingCustomComparatorAsync(): Array<unknown> {
   ];
 }
 
-function dataProviderForArrays(): Array<unknown> {
+function dataProviderForArrays(): Array<[Array<any>, ((item: any) => any) | undefined, any]> {
   return [
     [
       [],
@@ -594,7 +570,7 @@ function dataProviderForArrays(): Array<unknown> {
   ];
 }
 
-function dataProviderForGenerators(): Array<unknown> {
+function dataProviderForGenerators(): Array<[Generator<any>, ((item: any) => any) | undefined, any]> {
   return [
     [
       createGeneratorFixture([]),
@@ -1014,7 +990,7 @@ function dataProviderForGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterables(): Array<unknown> {
+function dataProviderForIterables(): Array<[Iterable<any>, ((item: any) => any) | undefined, any]> {
   return [
     [
       createIterableFixture([]),
@@ -1434,7 +1410,7 @@ function dataProviderForIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForIterators(): Array<unknown> {
+function dataProviderForIterators(): Array<[Iterator<any>, ((item: any) => any) | undefined, any]> {
   return [
     [
       createIteratorFixture([]),
@@ -1854,7 +1830,7 @@ function dataProviderForIterators(): Array<unknown> {
   ];
 }
 
-function dataProviderForStrings(): Array<unknown> {
+function dataProviderForStrings(): Array<[string, ((item: any) => any) | undefined, any]> {
   return [
     [
       '',
@@ -1979,7 +1955,7 @@ function dataProviderForStrings(): Array<unknown> {
   ];
 }
 
-function dataProviderForSets(): Array<unknown> {
+function dataProviderForSets(): Array<[Set<any>, ((item: any) => any) | undefined, any]> {
   return [
     [
       new Set([]),
@@ -2399,7 +2375,7 @@ function dataProviderForSets(): Array<unknown> {
   ];
 }
 
-function dataProviderForMaps(): Array<unknown> {
+function dataProviderForMaps(): Array<[Map<any, any>, ((item: any) => any) | undefined, any]> {
   return [
     [
       createMapFixture([]),
@@ -2679,7 +2655,7 @@ function dataProviderForMaps(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncGenerators(): Array<unknown> {
+function dataProviderForAsyncGenerators(): Array<[AsyncGenerator<any>, ((item: any) => any) | undefined, any]> {
   return [
     [
       createAsyncGeneratorFixture([]),
@@ -3107,7 +3083,7 @@ function dataProviderForAsyncGenerators(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterables(): Array<unknown> {
+function dataProviderForAsyncIterables(): Array<[AsyncIterable<any>, ((item: any) => any) | undefined, any]> {
   return [
     [
       createAsyncIterableFixture([]),
@@ -3535,7 +3511,7 @@ function dataProviderForAsyncIterables(): Array<unknown> {
   ];
 }
 
-function dataProviderForAsyncIterators(): Array<unknown> {
+function dataProviderForAsyncIterators(): Array<[AsyncIterator<any>, ((item: any) => any) | undefined, any]> {
   return [
     [
       createAsyncIteratorFixture([]),