Add number-syntax edge case tests (#5560)

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/suite/foundations/float.typ b/tests/suite/foundations/float.typ
index 716ecd6b..a18e9f09 100644
--- a/tests/suite/foundations/float.typ
+++ b/tests/suite/foundations/float.typ
@@ -95,3 +95,23 @@
 #float.inf \
 #(-float.inf) \
 #float.nan
+
+--- float-syntax-edge-cases ---
+// Test float syntax edge cases and which spans of text are highlighted. Valid
+// items are those not annotated with an error comment since syntax is handled
+// at parse time.
+
+#123.456e+789
+#000.000E-000
+#.9e0
+#123.E // this is a field access, so is fine syntactically
+#0.e
+#1.E+020
+// Error: 2-10 invalid number: 123.456e
+#123.456e
+// Error: 2-11 invalid number: 123.456e+
+#123.456e+
+// Error: 2-6 invalid number: .1E-
+#.1E-
+// Error: 2-4 invalid number: 0e
+#0e