Add abs() function

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/typ/utility/math.typ b/tests/typ/utility/math.typ
index 05c3639f..aeb0d6ad 100644
--- a/tests/typ/utility/math.typ
+++ b/tests/typ/utility/math.typ
@@ -2,6 +2,24 @@
 // Ref: false
 
 ---
+// Test `abs` function.
+#test(abs(-3), 3)
+#test(abs(3), 3)
+#test(abs(-0.0), 0.0)
+#test(abs(0.0), -0.0)
+#test(abs(-3.14), 3.14)
+#test(abs(-12pt), 12pt)
+#test(abs(50%), 50%)
+
+---
+// Error: 6-16 cannot take absolute value of a linear
+#abs(10pt + 50%)
+
+---
+// Error: 6-17 expected numeric value
+#abs("no number")
+
+---
 // Test `min` and `max` functions.
 #test(min(2, -4), -4)
 #test(min(3.5, 1e2, -0.1, 3), -0.1)