From 51712fb1aee91bd5b5c3f528c2676abbbeb332fc Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Mon, 17 Jun 2019 16:18:13 -1000
Subject: [PATCH] Add tests

---
 .../arrayLiterals/arrayLiteralInference.ts    | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 tests/cases/conformance/expressions/arrayLiterals/arrayLiteralInference.ts

diff --git a/tests/cases/conformance/expressions/arrayLiterals/arrayLiteralInference.ts b/tests/cases/conformance/expressions/arrayLiterals/arrayLiteralInference.ts
new file mode 100644
index 00000000000..311cad6236f
--- /dev/null
+++ b/tests/cases/conformance/expressions/arrayLiterals/arrayLiteralInference.ts
@@ -0,0 +1,36 @@
+// @strict: true
+// @target: es2015
+
+// Repro from #31204
+
+export enum AppType {
+    HeaderDetail = 'HeaderDetail',
+    HeaderMultiDetail = 'HeaderMultiDetail',
+    AdvancedList = 'AdvancedList',
+    Standard = 'Standard',
+    Relationship = 'Relationship',
+    Report = 'Report',
+    Composite = 'Composite',
+    ListOnly = 'ListOnly',
+    ModuleSettings = 'ModuleSettings'
+}
+
+export enum AppStyle {
+    Tree,
+    TreeEntity,
+    Standard,
+    MiniApp,
+    PivotTable
+}
+
+const appTypeStylesWithError: Map<AppType, Array<AppStyle>> = new Map([
+    [AppType.Standard, [AppStyle.Standard, AppStyle.MiniApp]],
+    [AppType.Relationship, [AppStyle.Standard, AppStyle.Tree, AppStyle.TreeEntity]],
+    [AppType.AdvancedList, [AppStyle.Standard, AppStyle.MiniApp]]
+]);
+
+// Repro from #31204
+
+declare function foo<T>(...args: T[]): T[];
+let b1: { x: boolean }[] = foo({ x: true }, { x: false });
+let b2: boolean[][] = foo([true], [false]);