Fix document set rules (#4768)

1 files changed, 23 insertions, 5 deletions

diff --git a/tests/suite/model/document.typ b/tests/suite/model/document.typ
index 6f8e7131..2ed199fe 100644
--- a/tests/suite/model/document.typ
+++ b/tests/suite/model/document.typ
@@ -1,12 +1,10 @@
 // Test document and page-level styles.
 
 --- document-set-title ---
-// This is okay.
 #set document(title: [Hello])
 What's up?
 
 --- document-set-author-date ---
-// This, too.
 #set document(author: ("A", "B"), date: datetime.today())
 
 --- document-date-bad ---
@@ -14,15 +12,14 @@ What's up?
 #set document(date: "today")
 
 --- document-author-bad ---
-// This, too.
 // Error: 23-29 expected string, found integer
 #set document(author: (123,))
 What's up?
 
 --- document-set-after-content ---
+// Document set rules can appear anywhere in top-level realization, also after
+// content.
 Hello
-
-// Error: 2-30 document set rules must appear before any content
 #set document(title: [Hello])
 
 --- document-constructor ---
@@ -34,3 +31,24 @@ Hello
   // Error: 4-32 document set rules are not allowed inside of containers
   #set document(title: [Hello])
 ]
+
+--- issue-4065-document-context ---
+// Test that we can set document properties based on context.
+#show: body => context {
+  let all = query(heading)
+  let title = if all.len() > 0 { all.first().body }
+  set document(title: title)
+  body
+}
+
+#show heading: none
+= Top level
+
+--- issue-4769-document-context-conditional ---
+// Test that document set rule can be conditional on document information
+// itself.
+#set document(author: "Normal", title: "Alternative")
+#context {
+  set document(author: "Changed") if "Normal" in document.author
+  set document(title: "Changed") if document.title ==  "Normal"
+}