From 29ed098a0bdaea31f3dbe60bb7baa65575221dc5 Mon Sep 17 00:00:00 2001
From: Stafford Williams <stafford.williams@gmail.com>
Date: Mon, 9 Jan 2023 00:13:36 +1100
Subject: [PATCH 1/3] [jest] type done callback on each

---
 types/jest/index.d.ts    |  6 +++---
 types/jest/jest-tests.ts | 20 +++++++++++++++++---
 2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/types/jest/index.d.ts b/types/jest/index.d.ts
index aa868b5b7df776..93f5a7847eb4c1 100644
--- a/types/jest/index.d.ts
+++ b/types/jest/index.d.ts
@@ -494,7 +494,7 @@ declare namespace jest {
         // Exclusively arrays.
         <T extends any[] | [any]>(cases: ReadonlyArray<T>): (
             name: string,
-            fn: (...args: T) => any,
+            fn: (...t: [...args: T, done: DoneCallback]) => any,
             timeout?: number,
         ) => void;
         <T extends ReadonlyArray<any>>(cases: ReadonlyArray<T>): (
@@ -503,7 +503,7 @@ declare namespace jest {
             timeout?: number,
         ) => void;
         // Not arrays.
-        <T>(cases: ReadonlyArray<T>): (name: string, fn: (...args: T[]) => any, timeout?: number) => void;
+        <T>(cases: ReadonlyArray<T>): (name: string, fn: (arg: T, done: DoneCallback) => any, timeout?: number) => void;
         (cases: ReadonlyArray<ReadonlyArray<any>>): (
             name: string,
             fn: (...args: any[]) => any,
@@ -511,7 +511,7 @@ declare namespace jest {
         ) => void;
         (strings: TemplateStringsArray, ...placeholders: any[]): (
             name: string,
-            fn: (arg: any) => any,
+            fn: (arg: any, done: DoneCallback) => any,
             timeout?: number,
         ) => void;
     }
diff --git a/types/jest/jest-tests.ts b/types/jest/jest-tests.ts
index e49c467a1eba9d..8886a25f74981c 100644
--- a/types/jest/jest-tests.ts
+++ b/types/jest/jest-tests.ts
@@ -1646,12 +1646,24 @@ describe.each([
     [1, 1, 2],
     [1, 2, 3],
     [2, 1, 3],
-])('.add(%i, %i)', (a: number, b: number, expected: number) => {
+])('.add(%i, %i)', (a: number, b: number, expected: number, done) => {
     test(`returns ${expected}`, () => {
         expect(a + b).toBe(expected);
+        done();
     });
 });
 
+// https://github.com/DefinitelyTyped/DefinitelyTyped/issues/34617
+
+it.each<number>([1, 2, 3])('dummy: %d', (num, done) => {
+    done();
+});
+
+const casesReadonlyArray = [[1, 2, 3] as ReadonlyArray<number>] as ReadonlyArray<ReadonlyArray<number>>;
+it.each(casesReadonlyArray)('%d', (a, b, c) => {
+    expect(a + b).toBe(c);
+});
+
 interface Case {
     a: number;
     b: number;
@@ -1663,9 +1675,10 @@ describe.each`
     ${1} | ${1} | ${2}
     ${1} | ${2} | ${3}
     ${2} | ${1} | ${3}
-`('$a + $b', ({ a, b, expected }: Case) => {
+`('$a + $b', ({ a, b, expected }: Case, done) => {
     test(`returns ${expected}`, () => {
         expect(a + b).toBe(expected);
+        done();
     });
 });
 
@@ -1774,9 +1787,10 @@ test.each`
 test.each([
     [1, '1'],
     [2, '2'],
-])('', (a, b) => {
+])('', (a, b, done) => {
     a; // $ExpectType number
     b; // $ExpectType string
+    done; // $ExpectType DoneCallback
 });
 
 test.only.each([

From 4fda3d2baa4cbb1ca30d02b05ea440122b5f3f2c Mon Sep 17 00:00:00 2001
From: Stafford Williams <stafford.williams@gmail.com>
Date: Wed, 22 Feb 2023 22:14:45 +1100
Subject: [PATCH 2/3] additional test case

---
 types/jest/jest-tests.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/types/jest/jest-tests.ts b/types/jest/jest-tests.ts
index 8886a25f74981c..e3a469ad41df6e 100644
--- a/types/jest/jest-tests.ts
+++ b/types/jest/jest-tests.ts
@@ -1744,6 +1744,16 @@ test.each([
     5000,
 );
 
+test.each([
+    [
+        { prop1: true, prop2: true },
+        { prop1: true, prop2: true },
+    ],
+    [{ prop1: true }, { prop1: true, prop2: false }],
+])('%j -> %j', (input, output) => {
+    console.log(input, output);
+});
+
 declare const constCases: [['a', 'b', 'ab'], ['d', 2, 'd2']];
 test.each(constCases)('%s + %s', (...args) => {
     // following assertion is skipped because of flaky testing

From 8fa31a2aa6603a68dd6dfbff5a5fe6a0d4a6e6f8 Mon Sep 17 00:00:00 2001
From: Stafford Williams <stafford.williams@gmail.com>
Date: Wed, 22 Feb 2023 22:15:28 +1100
Subject: [PATCH 3/3] remove typing from array of arrays

---
 types/jest/index.d.ts    | 2 +-
 types/jest/jest-tests.ts | 6 ++----
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/types/jest/index.d.ts b/types/jest/index.d.ts
index 93f5a7847eb4c1..9047b1305567a5 100644
--- a/types/jest/index.d.ts
+++ b/types/jest/index.d.ts
@@ -494,7 +494,7 @@ declare namespace jest {
         // Exclusively arrays.
         <T extends any[] | [any]>(cases: ReadonlyArray<T>): (
             name: string,
-            fn: (...t: [...args: T, done: DoneCallback]) => any,
+            fn: (...args: T) => any,
             timeout?: number,
         ) => void;
         <T extends ReadonlyArray<any>>(cases: ReadonlyArray<T>): (
diff --git a/types/jest/jest-tests.ts b/types/jest/jest-tests.ts
index e3a469ad41df6e..064a833a272399 100644
--- a/types/jest/jest-tests.ts
+++ b/types/jest/jest-tests.ts
@@ -1646,10 +1646,9 @@ describe.each([
     [1, 1, 2],
     [1, 2, 3],
     [2, 1, 3],
-])('.add(%i, %i)', (a: number, b: number, expected: number, done) => {
+])('.add(%i, %i)', (a: number, b: number, expected: number) => {
     test(`returns ${expected}`, () => {
         expect(a + b).toBe(expected);
-        done();
     });
 });
 
@@ -1797,10 +1796,9 @@ test.each`
 test.each([
     [1, '1'],
     [2, '2'],
-])('', (a, b, done) => {
+])('', (a, b) => {
     a; // $ExpectType number
     b; // $ExpectType string
-    done; // $ExpectType DoneCallback
 });
 
 test.only.each([