[src/trunk]: src/tests/usr.bin/xlint/lint1 lint: add test for message 259 abo...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b7717d2ef19c
branches:  trunk
changeset: 1018325:b7717d2ef19c
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Jan 30 22:07:31 2021 +0000

description:
lint: add test for message 259 about implicit conversions

diffstat:

 tests/usr.bin/xlint/lint1/msg_259.c   |  23 ++++++++++++++++++++---
 tests/usr.bin/xlint/lint1/msg_259.exp |   2 +-
 2 files changed, 21 insertions(+), 4 deletions(-)

diffs (37 lines):

diff -r 52dc76e851ed -r b7717d2ef19c tests/usr.bin/xlint/lint1/msg_259.c
--- a/tests/usr.bin/xlint/lint1/msg_259.c       Sat Jan 30 21:58:04 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/msg_259.c       Sat Jan 30 22:07:31 2021 +0000
@@ -1,7 +1,24 @@
-/*     $NetBSD: msg_259.c,v 1.1 2021/01/02 10:22:44 rillig Exp $       */
+/*     $NetBSD: msg_259.c,v 1.2 2021/01/30 22:07:31 rillig Exp $       */
 # 3 "msg_259.c"
 
 // Test for message: conversion to '%s' due to prototype, arg #%d [259]
 
-TODO: "Add example code that triggers the above message."
-TODO: "Add example code that almost triggers the above message."
+/* lint1-extra-flags: -h */
+
+void farg_char(char);
+void farg_int(int);
+void farg_long(long);
+
+void
+example(char c, int i, long l)
+{
+       farg_char(c);
+       farg_int(c);
+       farg_long(c);
+       farg_char(i);           /* XXX: why no warning? */
+       farg_int(i);
+       farg_long(i);
+       farg_char(l);           /* XXX: why no warning? */
+       farg_int(l);            /* expect: 259 */
+       farg_long(l);
+}
diff -r 52dc76e851ed -r b7717d2ef19c tests/usr.bin/xlint/lint1/msg_259.exp
--- a/tests/usr.bin/xlint/lint1/msg_259.exp     Sat Jan 30 21:58:04 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/msg_259.exp     Sat Jan 30 22:07:31 2021 +0000
@@ -1,1 +1,1 @@
-msg_259.c(6): syntax error ':' [249]
+msg_259.c(22): warning: conversion to 'int' due to prototype, arg #1 [259]