+
+"Three !TOKENS(1) arguments."
+
+p(a, b, c)
+
+p(1, -2, -3)
+])
+AT_CLEANUP
+\f
+AT_SETUP([macro expansion with positional arguments - negative])
+AT_DATA([define.sps], [dnl
+DEFINE !title(!positional !tokens(1)) !1 !ENDDEFINE.
+DEFINE !p(!positional !tokens(1)
+ /!positional !tokens(1)
+ /!positional !tokens(1))
+(!1, !2, !3)
+!ENDDEFINE.
+
+DEFINE !ce(!positional !charend('/')) ce(!1) !ENDDEFINE.
+
+DEFINE !enc1(!positional !enclose('{', '}')) enc1(!1) !ENDDEFINE.
+DEBUG EXPAND.
+!title "Too few tokens for !TOKENS."
+!p a b.
+!p a.
+!p.
+
+!title "Missing charend delimiter."
+!ce a b c.
+
+!title "Missing start delimiter."
+!enc1 a b c.
+
+!title "Missing end delimiter."
+!enc1{a b c.
+])
+AT_CHECK([pspp --testing-mode define.sps], [1], [dnl
+"Too few tokens for !TOKENS."
+
+define.sps:13: error: DEBUG EXPAND: Unexpected end of command reading
+argument !3 to macro !p.
+
+note: unexpanded token "!p"
+
+note: unexpanded token "a"
+
+note: unexpanded token "b"
+
+define.sps:14: error: DEBUG EXPAND: Unexpected end of command reading
+argument !2 to macro !p.
+
+note: unexpanded token "!p"
+
+note: unexpanded token "a"
+
+define.sps:15: error: DEBUG EXPAND: Unexpected end of command reading
+argument !1 to macro !p.
+
+note: unexpanded token "!p"
+
+"Missing charend delimiter."
+
+define.sps:18: error: DEBUG EXPAND: Unexpected end of command reading
+argument !1 to macro !ce.
+
+note: unexpanded token "!ce"
+
+note: unexpanded token "a"
+
+note: unexpanded token "b"
+
+note: unexpanded token "c"
+
+"Missing start delimiter."
+
+define.sps:21: error: DEBUG EXPAND: Found `a' while expecting `{' reading
+argument !1 to macro !enc1.
+
+note: unexpanded token "!enc1"
+
+note: unexpanded token "a"
+
+note: unexpanded token "b"
+
+note: unexpanded token "c"
+
+"Missing end delimiter."
+
+define.sps:24: error: DEBUG EXPAND: Unexpected end of command reading
+argument !1 to macro !enc1.
+
+note: unexpanded token "!enc1"
+
+note: unexpanded token "{"
+
+note: unexpanded token "a"
+
+note: unexpanded token "b"
+
+note: unexpanded token "c"