From 332569eadf7a3772c33ed7a1bbc52ed81380d852 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Thu, 8 Apr 2021 15:56:09 -0400
Subject: [PATCH] test: actually write a test for this issue

---
 .../variable-declaration-start-to-iife/exec.js         | 10 ++++++++++
 .../variable-declaration-start-to-iife/input.js        |  7 +++++++
 .../variable-declaration-start-to-iife/output.js       |  7 +++++++
 .../exec.js                                            |  0
 .../input.js                                           |  0
 .../output.js                                          |  0
 6 files changed, 24 insertions(+)
 create mode 100644 packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/exec.js
 create mode 100644 packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/input.js
 create mode 100644 packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/output.js
 rename packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/{variable-declaration-start => variable-declaration-start-to-sequence}/exec.js (100%)
 rename packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/{variable-declaration-start => variable-declaration-start-to-sequence}/input.js (100%)
 rename packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/{variable-declaration-start => variable-declaration-start-to-sequence}/output.js (100%)

diff --git a/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/exec.js b/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/exec.js
new file mode 100644
index 000000000000..455e0b795f0c
--- /dev/null
+++ b/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/exec.js
@@ -0,0 +1,10 @@
+expect(
+  do {
+    var bar = "foo";
+    if (!bar) throw new Error(
+      "unreachable"
+    )
+    bar;
+  }
+).toBe("foo");
+expect(bar).toBe("foo");
diff --git a/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/input.js b/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/input.js
new file mode 100644
index 000000000000..3c6736678600
--- /dev/null
+++ b/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/input.js
@@ -0,0 +1,7 @@
+var x = do {
+  var bar = "foo";
+  if (!bar) throw new Error(
+    "unreachable"
+  )
+  bar;
+};
diff --git a/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/output.js b/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/output.js
new file mode 100644
index 000000000000..0444f3903f31
--- /dev/null
+++ b/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-iife/output.js
@@ -0,0 +1,7 @@
+var bar;
+
+var x = function () {
+  bar = "foo";
+  if (!bar) throw new Error("unreachable");
+  return bar;
+}();
diff --git a/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start/exec.js b/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-sequence/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start/exec.js
rename to packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-sequence/exec.js
diff --git a/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start/input.js b/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-sequence/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start/input.js
rename to packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-sequence/input.js
diff --git a/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start/output.js b/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-sequence/output.js
similarity index 100%
rename from packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start/output.js
rename to packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/variable-declaration-start-to-sequence/output.js