Module Name:    src
Committed By:   rillig
Date:           Fri Apr  2 22:38:42 UTC 2021

Modified Files:
        src/tests/usr.bin/xlint/lint1: msg_239.c msg_239.exp

Log Message:
tests/lint: add test for constant argument to '!'


To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/tests/usr.bin/xlint/lint1/msg_239.c \
    src/tests/usr.bin/xlint/lint1/msg_239.exp

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/tests/usr.bin/xlint/lint1/msg_239.c
diff -u src/tests/usr.bin/xlint/lint1/msg_239.c:1.2 src/tests/usr.bin/xlint/lint1/msg_239.c:1.3
--- src/tests/usr.bin/xlint/lint1/msg_239.c:1.2	Sun Feb 21 09:07:58 2021
+++ src/tests/usr.bin/xlint/lint1/msg_239.c	Fri Apr  2 22:38:42 2021
@@ -1,7 +1,18 @@
-/*	$NetBSD: msg_239.c,v 1.2 2021/02/21 09:07:58 rillig Exp $	*/
+/*	$NetBSD: msg_239.c,v 1.3 2021/04/02 22:38:42 rillig Exp $	*/
 # 3 "msg_239.c"
 
 // Test for message: constant argument to NOT [239]
 
-TODO: "Add example code that triggers the above message." /* expect: 249 */
-TODO: "Add example code that almost triggers the above message."
+/* lint1-extra-flags: -h */
+
+_Bool
+example(int n)
+{
+	_Bool b;
+
+	b = !0;		/* expect: constant in conditional context, 239 */
+	b = !1;		/* expect: constant in conditional context, 239 */
+	b = !(n > 1);
+
+	return b;
+}
Index: src/tests/usr.bin/xlint/lint1/msg_239.exp
diff -u src/tests/usr.bin/xlint/lint1/msg_239.exp:1.2 src/tests/usr.bin/xlint/lint1/msg_239.exp:1.3
--- src/tests/usr.bin/xlint/lint1/msg_239.exp:1.2	Sun Mar 21 20:45:00 2021
+++ src/tests/usr.bin/xlint/lint1/msg_239.exp	Fri Apr  2 22:38:42 2021
@@ -1 +1,4 @@
-msg_239.c(6): error: syntax error ':' [249]
+msg_239.c(13): warning: constant in conditional context [161]
+msg_239.c(13): warning: constant argument to NOT [239]
+msg_239.c(14): warning: constant in conditional context [161]
+msg_239.c(14): warning: constant argument to NOT [239]

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