+==== minus-sign-without-number ====
+[-foo]
+====
+1
+invalid token near '-'
+==== invalid-negative-integerr ====
+[-123foo]
+====
+1
+']' expected near 'foo'
+==== invalid-negative-real ====
+[-123.123foo]
+====
+1
+']' expected near 'foo'
+==== invalid-escape ====