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



details:   https://anonhg.NetBSD.org/src/rev/600853596faa
branches:  trunk
changeset: 953173:600853596faa
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Feb 28 03:29:12 2021 +0000

description:
tests/lint: add test for constant expression involving sizeof

diffstat:

 tests/usr.bin/xlint/lint1/msg_161.c   |  17 ++++++++++++++++-
 tests/usr.bin/xlint/lint1/msg_161.exp |   2 ++
 2 files changed, 18 insertions(+), 1 deletions(-)

diffs (37 lines):

diff -r 34465a6a71cb -r 600853596faa tests/usr.bin/xlint/lint1/msg_161.c
--- a/tests/usr.bin/xlint/lint1/msg_161.c       Sun Feb 28 03:14:44 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/msg_161.c       Sun Feb 28 03:29:12 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: msg_161.c,v 1.4 2021/01/31 12:44:34 rillig Exp $       */
+/*     $NetBSD: msg_161.c,v 1.5 2021/02/28 03:29:12 rillig Exp $       */
 # 3 "msg_161.c"
 
 // Test for message: constant in conditional context [161]
@@ -40,3 +40,18 @@
 
        } while (1);            /* expect: 161 */
 }
+
+extern void println(const char *);
+
+void
+test_sizeof(void)
+{
+       /*
+        * XXX: The following conditions should not need CONSTCOND as they
+        * are perfectly legitimate.
+        */
+       if (sizeof(int) > sizeof(char))         /* expect: 161 */
+               println("very probable");
+       if (sizeof(int) < sizeof(char))         /* expect: 161 */
+               println("impossible");
+}
diff -r 34465a6a71cb -r 600853596faa tests/usr.bin/xlint/lint1/msg_161.exp
--- a/tests/usr.bin/xlint/lint1/msg_161.exp     Sun Feb 28 03:14:44 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/msg_161.exp     Sun Feb 28 03:29:12 2021 +0000
@@ -1,3 +1,5 @@
 msg_161.c(11): warning: constant in conditional context [161]
 msg_161.c(18): warning: constant in conditional context [161]
 msg_161.c(41): warning: constant in conditional context [161]
+msg_161.c(53): warning: constant in conditional context [161]
+msg_161.c(55): warning: constant in conditional context [161]



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