From 07b808588bdc9708d7e018126972c4fda1769fe7 Mon Sep 17 00:00:00 2001
From: nick black <dankamongmen@gmail.com>
Date: Sun, 13 Feb 2022 18:15:19 -0500
Subject: [PATCH] simple ncvisual_from_sixel() unit test

---
 src/tests/sixels.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/tests/sixels.cpp b/src/tests/sixels.cpp
index 29d9e4554..4f840a0a8 100644
--- a/src/tests/sixels.cpp
+++ b/src/tests/sixels.cpp
@@ -22,7 +22,17 @@ TEST_CASE("Sixels") {
   auto n_ = notcurses_stdplane(nc_);
   REQUIRE(n_);
 
-  // this can only run with a Sixel backend
+  // exercise ncvisual_from_sixel()
+  SUBCASE("LoadSixel") {
+    auto ncv = ncvisual_from_sixel("\x1bP0;1;0q\"1;1;1;6#0;2;66;18;80#0@-\x1b\\", 1, 1);
+    REQUIRE(ncv);
+    uint32_t p;
+    ncvisual_at_yx(ncv, 0, 0, &p);
+    CHECK(0xffcc2da8 == p);
+    ncvisual_destroy(ncv);
+  }
+
+  // remaining tests can only run with a Sixel backend
   if(notcurses_check_pixel_support(nc_) <= 0){
     CHECK(0 == notcurses_stop(nc_));
     return;