Add unit test

emilk · Apr 9, 2022 · 2d21b35 · 2d21b35
1 parent a2ac368
commit 2d21b35
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/epaint/src/text/text_layout.rs b/epaint/src/text/text_layout.rs
@@ -775,3 +775,14 @@ fn is_chinese(c: char) -> bool {
         || ('\u{3400}' <= c && c <= '\u{4DBF}')
         || ('\u{2B740}' <= c && c <= '\u{2B81F}')
 }
+
+// ----------------------------------------------------------------------------
+
+#[test]
+fn test_zero_max_width() {
+    let mut fonts = FontsImpl::new(1.0, 1024, super::FontDefinitions::default());
+    let mut layout_job = LayoutJob::single_section("W".into(), super::TextFormat::default());
+    layout_job.wrap.max_width = 0.0;
+    let galley = super::layout(&mut fonts, layout_job.into());
+    assert_eq!(galley.rows.len(), 1);
+}