diff --git a/tests/ref/h-and-v.png b/tests/ref/h-and-v.png
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Binary files /dev/null and b/tests/ref/h-and-v.png differ
diff --git a/tests/typ/h-and-v.typ b/tests/typ/h-and-v.typ
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+++ b/tests/typ/h-and-v.typ
@@ -0,0 +1,25 @@
+// Test the `h` and `v` functions.
+
+// Ends paragraphs.
+Tightly [v: -5pt] packed
+
+// Eating up soft spacing.
+Inv [h: 0pt] isible
+
+// Multiple spacings in a row.
+Add [h: 10pt] [h: 10pt] up
+
+// Relative to font size.
+Relative [h: 100%] spacing
+
+// Missing spacing.
+Totally [h] ignored
+
+// Swapped axes.
+[page: main-dir=rtl, cross-dir=ttb][
+    1 [h: 1cm] 2
+
+    3 [v: 1cm] 4 [v: -1cm] 5
+]
+
+// error: 16:11-16:11 missing argument: spacing