From 261f387535ebe3b784d69893027d8edac01e1ba9 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Thu, 17 Feb 2022 18:12:13 +0100
Subject: Accept closures for heading styling

---
 tests/ref/style/closure.png | Bin 0 -> 7567 bytes
 tests/typ/style/closure.typ |  48 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 tests/ref/style/closure.png
 create mode 100644 tests/typ/style/closure.typ

(limited to 'tests')

diff --git a/tests/ref/style/closure.png b/tests/ref/style/closure.png
new file mode 100644
index 00000000..77d88d0c
Binary files /dev/null and b/tests/ref/style/closure.png differ
diff --git a/tests/typ/style/closure.typ b/tests/typ/style/closure.typ
new file mode 100644
index 00000000..2c9edd81
--- /dev/null
+++ b/tests/typ/style/closure.typ
@@ -0,0 +1,48 @@
+// Test styles with closure.
+
+---
+#set heading(
+  size: 10pt,
+  fill: lvl => if even(lvl) { red } else { blue },
+)
+
+= Heading 1
+== Heading 2
+=== Heading 3
+==== Heading 4
+
+---
+// Test in constructor.
+#heading(
+  level: 3,
+  size: 10pt,
+  strong: lvl => {
+    assert(lvl == 3)
+    false
+  }
+)[Level 3]
+
+---
+// Error: 22-26 expected font family or auto or function, found length
+#set heading(family: 10pt)
+= Heading
+
+---
+// Error: 29-38 cannot add integer and string
+#set heading(strong: lvl => lvl + "2")
+= Heading
+
+---
+// Error: 22-34 expected font family or auto, found boolean
+#set heading(family: lvl => false)
+= Heading
+
+---
+// Error: 22-37 missing argument: b
+#set heading(family: (a, b) => a + b)
+= Heading
+
+---
+// Error: 22-30 unexpected argument
+#set heading(family: () => {})
+= Heading
-- 
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