aboutsummaryrefslogtreecommitdiff
path: root/test/Sema/warn-char-subscripts.c
diff options
context:
space:
mode:
Diffstat (limited to 'test/Sema/warn-char-subscripts.c')
-rw-r--r--test/Sema/warn-char-subscripts.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/test/Sema/warn-char-subscripts.c b/test/Sema/warn-char-subscripts.c
new file mode 100644
index 0000000000..65a34e8fc2
--- /dev/null
+++ b/test/Sema/warn-char-subscripts.c
@@ -0,0 +1,31 @@
+// RUN: clang-cc -Wchar-subscripts -fsyntax-only -verify %s
+
+void t1() {
+ int array[1] = { 0 };
+ char subscript = 0;
+ int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
+}
+
+void t2() {
+ int array[1] = { 0 };
+ char subscript = 0;
+ int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
+}
+
+void t3() {
+ int *array = 0;
+ char subscript = 0;
+ int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
+}
+
+void t4() {
+ int *array = 0;
+ char subscript = 0;
+ int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
+}
+
+char returnsChar();
+void t5() {
+ int *array = 0;
+ int val = array[returnsChar()]; // expected-warning{{array subscript is of type 'char'}}
+}