From 6798944ca49869b42d2b2ee108c6a8d473ff68f3 Mon Sep 17 00:00:00 2001
From: Jack Bates <jack@nottheoilrig.com>
Date: Thu, 29 Aug 2019 09:59:41 -0700
Subject: [PATCH] Add tests

---
 tests/baselines/reference/promiseType.js      |  6 ++++++
 tests/baselines/reference/promiseType.symbols | 12 ++++++++++++
 tests/baselines/reference/promiseType.types   | 13 +++++++++++++
 tests/cases/compiler/promiseType.ts           |  5 +++++
 4 files changed, 36 insertions(+)

diff --git a/tests/baselines/reference/promiseType.js b/tests/baselines/reference/promiseType.js
index 84d9d713b4810..d7ed170b65683 100644
--- a/tests/baselines/reference/promiseType.js
+++ b/tests/baselines/reference/promiseType.js
@@ -217,6 +217,11 @@ const pc6 = p.then(() => Promise.reject("1"), () => {});
 const pc7 = p.then(() => Promise.reject("1"), () => {throw 1});
 const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
+
+// #28427
+
+declare const x2: Promise<number> | string;
+Promise.all([x2]);
 
 
 //// [promiseType.js]
@@ -440,3 +445,4 @@ const pc6 = p.then(() => Promise.reject("1"), () => { });
 const pc7 = p.then(() => Promise.reject("1"), () => { throw 1; });
 const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
+Promise.all([x2]);
diff --git a/tests/baselines/reference/promiseType.symbols b/tests/baselines/reference/promiseType.symbols
index cec81cd7d8266..074c35d24c360 100644
--- a/tests/baselines/reference/promiseType.symbols
+++ b/tests/baselines/reference/promiseType.symbols
@@ -1089,3 +1089,15 @@ const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
 >reject : Symbol(PromiseConstructor.reject, Decl(lib.es2015.promise.d.ts, --, --))
 
+// #28427
+
+declare const x2: Promise<number> | string;
+>x2 : Symbol(x2, Decl(promiseType.ts, 221, 13))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+
+Promise.all([x2]);
+>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>x2 : Symbol(x2, Decl(promiseType.ts, 221, 13))
+
diff --git a/tests/baselines/reference/promiseType.types b/tests/baselines/reference/promiseType.types
index dd20fb656ea5a..32f667f63f4a2 100644
--- a/tests/baselines/reference/promiseType.types
+++ b/tests/baselines/reference/promiseType.types
@@ -1583,3 +1583,16 @@ const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
 >reject : <T = never>(reason?: any) => Promise<T>
 >1 : 1
 
+// #28427
+
+declare const x2: Promise<number> | string;
+>x2 : string | Promise<number>
+
+Promise.all([x2]);
+>Promise.all([x2]) : Promise<(string | number)[]>
+>Promise.all : { <TAll>(values: Iterable<TAll>): Promise<(TAll extends PromiseLike<infer UAll> ? UAll : TAll)[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: PromisedType<T[P]>; }>; }
+>Promise : PromiseConstructor
+>all : { <TAll>(values: Iterable<TAll>): Promise<(TAll extends PromiseLike<infer UAll> ? UAll : TAll)[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: PromisedType<T[P]>; }>; }
+>[x2] : (string | Promise<number>)[]
+>x2 : string | Promise<number>
+
diff --git a/tests/cases/compiler/promiseType.ts b/tests/cases/compiler/promiseType.ts
index ba4a7f6041396..03791d259a00c 100644
--- a/tests/cases/compiler/promiseType.ts
+++ b/tests/cases/compiler/promiseType.ts
@@ -217,3 +217,8 @@ const pc6 = p.then(() => Promise.reject("1"), () => {});
 const pc7 = p.then(() => Promise.reject("1"), () => {throw 1});
 const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
+
+// #28427
+
+declare const x2: Promise<number> | string;
+Promise.all([x2]);