From 1ae146476479e3e348befd206b49ef2f9da00320 Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Thu, 15 Oct 2015 11:22:53 -0700
Subject: [PATCH] Test cases for let declaration and its use order

---
 .../jsFileCompilationLetDeclarationOrder.js   | 21 +++++++++++++++++++
 ...FileCompilationLetDeclarationOrder.symbols | 14 +++++++++++++
 ...jsFileCompilationLetDeclarationOrder.types | 20 ++++++++++++++++++
 ...CompilationLetDeclarationOrder2.errors.txt | 12 +++++++++++
 .../jsFileCompilationLetDeclarationOrder2.js  | 20 ++++++++++++++++++
 .../jsFileCompilationLetDeclarationOrder.ts   | 10 +++++++++
 .../jsFileCompilationLetDeclarationOrder2.ts  |  9 ++++++++
 7 files changed, 106 insertions(+)
 create mode 100644 tests/baselines/reference/jsFileCompilationLetDeclarationOrder.js
 create mode 100644 tests/baselines/reference/jsFileCompilationLetDeclarationOrder.symbols
 create mode 100644 tests/baselines/reference/jsFileCompilationLetDeclarationOrder.types
 create mode 100644 tests/baselines/reference/jsFileCompilationLetDeclarationOrder2.errors.txt
 create mode 100644 tests/baselines/reference/jsFileCompilationLetDeclarationOrder2.js
 create mode 100644 tests/cases/compiler/jsFileCompilationLetDeclarationOrder.ts
 create mode 100644 tests/cases/compiler/jsFileCompilationLetDeclarationOrder2.ts

diff --git a/tests/baselines/reference/jsFileCompilationLetDeclarationOrder.js b/tests/baselines/reference/jsFileCompilationLetDeclarationOrder.js
new file mode 100644
index 00000000000..15a1e8d7533
--- /dev/null
+++ b/tests/baselines/reference/jsFileCompilationLetDeclarationOrder.js
@@ -0,0 +1,21 @@
+//// [tests/cases/compiler/jsFileCompilationLetDeclarationOrder.ts] ////
+
+//// [b.js]
+let a = 10;
+b = 30;
+
+//// [a.ts]
+let b = 30;
+a = 10;
+
+
+//// [out.js]
+var a = 10;
+b = 30;
+var b = 30;
+a = 10;
+
+
+//// [out.d.ts]
+declare let a: number;
+declare let b: number;
diff --git a/tests/baselines/reference/jsFileCompilationLetDeclarationOrder.symbols b/tests/baselines/reference/jsFileCompilationLetDeclarationOrder.symbols
new file mode 100644
index 00000000000..c1e97340dc9
--- /dev/null
+++ b/tests/baselines/reference/jsFileCompilationLetDeclarationOrder.symbols
@@ -0,0 +1,14 @@
+=== tests/cases/compiler/b.js ===
+let a = 10;
+>a : Symbol(a, Decl(b.js, 0, 3))
+
+b = 30;
+>b : Symbol(b, Decl(a.ts, 0, 3))
+
+=== tests/cases/compiler/a.ts ===
+let b = 30;
+>b : Symbol(b, Decl(a.ts, 0, 3))
+
+a = 10;
+>a : Symbol(a, Decl(b.js, 0, 3))
+
diff --git a/tests/baselines/reference/jsFileCompilationLetDeclarationOrder.types b/tests/baselines/reference/jsFileCompilationLetDeclarationOrder.types
new file mode 100644
index 00000000000..a28c62813de
--- /dev/null
+++ b/tests/baselines/reference/jsFileCompilationLetDeclarationOrder.types
@@ -0,0 +1,20 @@
+=== tests/cases/compiler/b.js ===
+let a = 10;
+>a : number
+>10 : number
+
+b = 30;
+>b = 30 : number
+>b : number
+>30 : number
+
+=== tests/cases/compiler/a.ts ===
+let b = 30;
+>b : number
+>30 : number
+
+a = 10;
+>a = 10 : number
+>a : number
+>10 : number
+
diff --git a/tests/baselines/reference/jsFileCompilationLetDeclarationOrder2.errors.txt b/tests/baselines/reference/jsFileCompilationLetDeclarationOrder2.errors.txt
new file mode 100644
index 00000000000..fb213ec4433
--- /dev/null
+++ b/tests/baselines/reference/jsFileCompilationLetDeclarationOrder2.errors.txt
@@ -0,0 +1,12 @@
+tests/cases/compiler/a.ts(2,1): error TS2448: Block-scoped variable 'a' used before its declaration.
+
+
+==== tests/cases/compiler/a.ts (1 errors) ====
+    let b = 30;
+    a = 10;
+    ~
+!!! error TS2448: Block-scoped variable 'a' used before its declaration.
+==== tests/cases/compiler/b.js (0 errors) ====
+    let a = 10;
+    b = 30;
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/jsFileCompilationLetDeclarationOrder2.js b/tests/baselines/reference/jsFileCompilationLetDeclarationOrder2.js
new file mode 100644
index 00000000000..641a89c1c50
--- /dev/null
+++ b/tests/baselines/reference/jsFileCompilationLetDeclarationOrder2.js
@@ -0,0 +1,20 @@
+//// [tests/cases/compiler/jsFileCompilationLetDeclarationOrder2.ts] ////
+
+//// [a.ts]
+let b = 30;
+a = 10;
+//// [b.js]
+let a = 10;
+b = 30;
+
+
+//// [out.js]
+var b = 30;
+a = 10;
+var a = 10;
+b = 30;
+
+
+//// [out.d.ts]
+declare let b: number;
+declare let a: number;
diff --git a/tests/cases/compiler/jsFileCompilationLetDeclarationOrder.ts b/tests/cases/compiler/jsFileCompilationLetDeclarationOrder.ts
new file mode 100644
index 00000000000..d3e342a2d4b
--- /dev/null
+++ b/tests/cases/compiler/jsFileCompilationLetDeclarationOrder.ts
@@ -0,0 +1,10 @@
+// @jsExtensions: js
+// @out: out.js
+// @declaration: true
+// @filename: b.js
+let a = 10;
+b = 30;
+
+// @filename: a.ts
+let b = 30;
+a = 10;
diff --git a/tests/cases/compiler/jsFileCompilationLetDeclarationOrder2.ts b/tests/cases/compiler/jsFileCompilationLetDeclarationOrder2.ts
new file mode 100644
index 00000000000..c71d87ac9d9
--- /dev/null
+++ b/tests/cases/compiler/jsFileCompilationLetDeclarationOrder2.ts
@@ -0,0 +1,9 @@
+// @jsExtensions: js
+// @out: out.js
+// @declaration: true
+// @filename: a.ts
+let b = 30;
+a = 10;
+// @filename: b.js
+let a = 10;
+b = 30;