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

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

details:   https://anonhg.NetBSD.org/src/rev/5a8482858012
branches:  trunk
changeset: 960780:5a8482858012
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Mar 28 18:48:32 2021 +0000

description:
tests/lint: add tests for initialization

diffstat:

 tests/usr.bin/xlint/lint1/d_c99_init.c   |  33 ++++++++++++++++++++++++++++---
 tests/usr.bin/xlint/lint1/d_c99_init.exp |  10 +++++---
 2 files changed, 35 insertions(+), 8 deletions(-)

diffs (78 lines):

diff -r edf77836a852 -r 5a8482858012 tests/usr.bin/xlint/lint1/d_c99_init.c
--- a/tests/usr.bin/xlint/lint1/d_c99_init.c    Sun Mar 28 18:33:27 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/d_c99_init.c    Sun Mar 28 18:48:32 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: d_c99_init.c,v 1.17 2021/03/28 14:01:50 rillig Exp $   */
+/*     $NetBSD: d_c99_init.c,v 1.18 2021/03/28 18:48:32 rillig Exp $   */
 # 3 "d_c99_init.c"
 
 /*
@@ -34,6 +34,9 @@
 
 // See init_using_expr, initstack_string.
 char static_duration[] = "static duration";
+signed char static_duration_signed[] = "static duration";
+unsigned char static_duration_unsigned[] = "static duration";
+int static_duration_wchar[] = L"static duration";
 
 // See init_using_expr.
 void
@@ -44,13 +47,25 @@
 }
 
 void
-initialization_with_redundant_braces(any arg)
+initialization_by_redundantly_braced_string(void)
+{
+       any local = {{{{ "hello" }}}};
+       use(&local);
+}
+
+/*
+ * Only scalar expressions and string literals may be enclosed by additional
+ * braces.  Since 'arg' is a struct, this is a compile-time error.
+ */
+void
+initialization_with_too_many_braces(any arg)
 {
        any local = { arg };    /* expect: 185 */
        use(&arg);
 }
 
-// Some of the following examples are mentioned in init.c.
+// Some of the following examples are mentioned in the introduction comment
+// in init.c.
 
 int number = 12345;
 
@@ -217,4 +232,14 @@
        23456,
 };
 
-// See d_struct_init_nested.c for a more complicated example.
+char prefixed_message[] = {
+       'E', ':', ' ',
+       /* expect+1: illegal combination of integer (char) and pointer */
+       "message\n",
+};
+
+char message_with_suffix[] = {
+       "message",
+       /* expect+1: too many array initializers */
+       '\n',
+};
diff -r edf77836a852 -r 5a8482858012 tests/usr.bin/xlint/lint1/d_c99_init.exp
--- a/tests/usr.bin/xlint/lint1/d_c99_init.exp  Sun Mar 28 18:33:27 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/d_c99_init.exp  Sun Mar 28 18:48:32 2021 +0000
@@ -1,5 +1,7 @@
 d_c99_init.c(23): error: too many initializers [174]
-d_c99_init.c(49): error: cannot initialize 'pointer to const void' from 'struct any' [185]
-d_c99_init.c(65): error: too many array initializers, expected 3 [173]
-d_c99_init.c(130): error: syntax error 'named member must only be used with struct/union' [249]
-d_c99_init.c(217): error: too many struct/union initializers [172]
+d_c99_init.c(63): error: cannot initialize 'pointer to const void' from 'struct any' [185]
+d_c99_init.c(80): error: too many array initializers, expected 3 [173]
+d_c99_init.c(145): error: syntax error 'named member must only be used with struct/union' [249]
+d_c99_init.c(232): error: too many struct/union initializers [172]
+d_c99_init.c(238): warning: illegal combination of integer (char) and pointer (pointer to char) [183]
+d_c99_init.c(244): error: too many array initializers, expected 8 [173]