From 1e32b6742ecb2dd172de6fc0950991a05649509d Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Mon, 24 Oct 2016 10:58:51 -0700
Subject: [PATCH] Add test case for destructured unused parameter

---
 .../unusedDestructuringParameters.js          | 15 ++++++++++++
 .../unusedDestructuringParameters.symbols     | 16 +++++++++++++
 .../unusedDestructuringParameters.types       | 24 +++++++++++++++++++
 .../compiler/unusedDestructuringParameters.ts |  5 ++++
 4 files changed, 60 insertions(+)
 create mode 100644 tests/baselines/reference/unusedDestructuringParameters.js
 create mode 100644 tests/baselines/reference/unusedDestructuringParameters.symbols
 create mode 100644 tests/baselines/reference/unusedDestructuringParameters.types
 create mode 100644 tests/cases/compiler/unusedDestructuringParameters.ts

diff --git a/tests/baselines/reference/unusedDestructuringParameters.js b/tests/baselines/reference/unusedDestructuringParameters.js
new file mode 100644
index 00000000000..9d47f6f9f1b
--- /dev/null
+++ b/tests/baselines/reference/unusedDestructuringParameters.js
@@ -0,0 +1,15 @@
+//// [unusedDestructuringParameters.ts]
+const f = ([a]) => { };
+f([1]);
+const f2 = ({a}) => { };
+f2({ a: 10 });
+
+//// [unusedDestructuringParameters.js]
+var f = function (_a) {
+    var a = _a[0];
+};
+f([1]);
+var f2 = function (_a) {
+    var a = _a.a;
+};
+f2({ a: 10 });
diff --git a/tests/baselines/reference/unusedDestructuringParameters.symbols b/tests/baselines/reference/unusedDestructuringParameters.symbols
new file mode 100644
index 00000000000..d40d54f3fce
--- /dev/null
+++ b/tests/baselines/reference/unusedDestructuringParameters.symbols
@@ -0,0 +1,16 @@
+=== tests/cases/compiler/unusedDestructuringParameters.ts ===
+const f = ([a]) => { };
+>f : Symbol(f, Decl(unusedDestructuringParameters.ts, 0, 5))
+>a : Symbol(a, Decl(unusedDestructuringParameters.ts, 0, 12))
+
+f([1]);
+>f : Symbol(f, Decl(unusedDestructuringParameters.ts, 0, 5))
+
+const f2 = ({a}) => { };
+>f2 : Symbol(f2, Decl(unusedDestructuringParameters.ts, 2, 5))
+>a : Symbol(a, Decl(unusedDestructuringParameters.ts, 2, 13))
+
+f2({ a: 10 });
+>f2 : Symbol(f2, Decl(unusedDestructuringParameters.ts, 2, 5))
+>a : Symbol(a, Decl(unusedDestructuringParameters.ts, 3, 4))
+
diff --git a/tests/baselines/reference/unusedDestructuringParameters.types b/tests/baselines/reference/unusedDestructuringParameters.types
new file mode 100644
index 00000000000..ebbe1efbc30
--- /dev/null
+++ b/tests/baselines/reference/unusedDestructuringParameters.types
@@ -0,0 +1,24 @@
+=== tests/cases/compiler/unusedDestructuringParameters.ts ===
+const f = ([a]) => { };
+>f : ([a]: [any]) => void
+>([a]) => { } : ([a]: [any]) => void
+>a : any
+
+f([1]);
+>f([1]) : void
+>f : ([a]: [any]) => void
+>[1] : [number]
+>1 : 1
+
+const f2 = ({a}) => { };
+>f2 : ({a}: { a: any; }) => void
+>({a}) => { } : ({a}: { a: any; }) => void
+>a : any
+
+f2({ a: 10 });
+>f2({ a: 10 }) : void
+>f2 : ({a}: { a: any; }) => void
+>{ a: 10 } : { a: number; }
+>a : number
+>10 : 10
+
diff --git a/tests/cases/compiler/unusedDestructuringParameters.ts b/tests/cases/compiler/unusedDestructuringParameters.ts
new file mode 100644
index 00000000000..748c9ea83fe
--- /dev/null
+++ b/tests/cases/compiler/unusedDestructuringParameters.ts
@@ -0,0 +1,5 @@
+//@noUnusedParameters: true
+const f = ([a]) => { };
+f([1]);
+const f2 = ({a}) => { };
+f2({ a: 10 });
\ No newline at end of file