From e10b3d838a75ea351f8477e07f2e1e647f4539dc Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Mon, 27 Sep 2021 13:40:56 +0200
Subject: Fix panic due to bad alignments in stack function

---
 tests/ref/layout/stack.png | Bin 325 -> 318 bytes
 tests/typ/layout/stack.typ |  34 ++++++++++++++++++++++++----------
 2 files changed, 24 insertions(+), 10 deletions(-)

(limited to 'tests')

diff --git a/tests/ref/layout/stack.png b/tests/ref/layout/stack.png
index 2f190c4d..bc0eb48b 100644
Binary files a/tests/ref/layout/stack.png and b/tests/ref/layout/stack.png differ
diff --git a/tests/typ/layout/stack.typ b/tests/typ/layout/stack.typ
index 729d85fc..384f574f 100644
--- a/tests/typ/layout/stack.typ
+++ b/tests/typ/layout/stack.typ
@@ -1,18 +1,32 @@
 // Test stack layouts.
 
 ---
-#let rect(width, fill) = rect(width: width, height: 1cm, fill: fill)
-#stack(
-  rect(2cm, rgb("2a631a")),
-  rect(3cm, forest),
-  rect(1cm, conifer),
+// Test stacks with different directions.
+#let widths = (
+  30pt, 20pt, 40pt, 15pt,
+  30pt, 50%, 20pt, 100%,
 )
 
+#let shaded = {
+  let v = 0
+  let next() = { v += 0.1; rgb(v, v, v) }
+  w => rect(width: w, height: 10pt, fill: next())
+}
+
+#let items = for w in widths { (shaded(w),) }
+
+#align(right)
+#page(width: 50pt, margins: 0pt)
+#stack(dir: btt, ..items)
+#pagebreak()
+
+// Currently stack works like flexbox apparently.
+#stack(dir: ltr, ..items)
+
 ---
 // Test overflowing stack.
-
-#let rect(width, fill) = rect(width: 1cm, height: 0.4cm, fill: fill)
-#box(height: 0.5cm, stack(
-  rect(3cm, forest),
-  rect(1cm, conifer),
+#page(width: 50pt, height: 30pt, margins: 0pt)
+#box(stack(
+  rect(width: 40pt, height: 20pt, fill: conifer),
+  rect(width: 30pt, height: 13pt, fill: forest),
 ))
-- 
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