From c60bd82da7d9bb4f1c4ae07b713841f703fefe8b Mon Sep 17 00:00:00 2001
From: Josh Holmer <jholme.in@gmail.com>
Date: Thu, 20 Jun 2019 14:07:47 -0400
Subject: [PATCH] Add test case for #171

---
 tests/files/issue-171.png | Bin 0 -> 220 bytes
 tests/regression.rs       |  12 ++++++++++++
 2 files changed, 12 insertions(+)
 create mode 100644 tests/files/issue-171.png

diff --git a/tests/files/issue-171.png b/tests/files/issue-171.png
new file mode 100644
index 0000000000000000000000000000000000000000..bf83f52be504d4ff57a56396f1b1d42496a2f45a
GIT binary patch
literal 220
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z{BQ3+vmeM~FY)wsWq-^jB50yBLvz7)ppby4i(?4K^<<L-AV_jhWMKZnU{S<l0yKm{
zwZt`|BqgyV)hf9t6-Y4{85mmX8kp%C8H5;`TbUYJnV4uB7+4t?RA`zfqiD#@PsvQH
W#I1p|r2jrp1B0ilpUXO@geCw`>o#Nn

literal 0
HcmV?d00001

diff --git a/tests/regression.rs b/tests/regression.rs
index ef7ee0bf..1b20edee 100644
--- a/tests/regression.rs
+++ b/tests/regression.rs
@@ -611,3 +611,15 @@ fn issue_167() {
         BitDepth::Eight,
     );
 }
+
+#[test]
+fn issue_171() {
+    test_it_converts(
+        "tests/files/issue-171.png",
+        None,
+        ColorType::Grayscale,
+        BitDepth::Eight,
+        ColorType::Grayscale,
+        BitDepth::Eight,
+    );
+}